feat(observability): add GlitchTip source map uploads for un-minified stack traces

- Enable sourcemap:true in vite.config.ts
- Add sentryVitePlugin: uploads maps to errors.libnovel.cc, deletes them post-upload so they never ship in the Docker image
- Wire release: PUBLIC_BUILD_VERSION in both hooks.client.ts and hooks.server.ts so events correlate to the correct artifact
- Add upload-sourcemaps CI job in release.yaml (parallel to docker-ui, uses GLITCHTIP_AUTH_TOKEN secret)

.env.example

@@ -1,83 +0,0 @@
-# libnovel scraper — environment overrides
-# Copy to .env and adjust values; do NOT commit this file with real secrets.
-
-# ── Service ports (host-side) ─────────────────────────────────────────────────
-# Port the scraper HTTP API listens on (default 8080)
-SCRAPER_PORT=8080
-
-# Port PocketBase listens on (default 8090)
-POCKETBASE_PORT=8090
-
-# Port MinIO S3 API listens on (default 9000)
-MINIO_PORT=9000
-
-# Port MinIO web console listens on (default 9001)
-MINIO_CONSOLE_PORT=9001
-
-# Port Browserless Chrome listens on (default 3030)
-BROWSERLESS_PORT=3030
-
-# Port the SvelteKit UI listens on (default 3000)
-UI_PORT=3000
-
-# ── Browserless ───────────────────────────────────────────────────────────────
-# Browserless API token (leave empty to disable auth)
-BROWSERLESS_TOKEN=
-
-# Number of concurrent browser sessions in Browserless
-BROWSERLESS_CONCURRENT=10
-
-# Queue depth before Browserless returns 429
-BROWSERLESS_QUEUED=100
-
-# Per-session timeout in ms
-BROWSERLESS_TIMEOUT=60000
-
-# Optional webhook URL for Browserless error alerts (leave empty to disable)
-ERROR_ALERT_URL=
-
-# Which Browserless strategy the scraper uses: content | scrape | cdp | direct
-BROWSERLESS_STRATEGY=direct
-
-# ── Scraper ───────────────────────────────────────────────────────────────────
-# Chapter worker goroutines (0 = NumCPU inside the container)
-SCRAPER_WORKERS=0
-
-# Host path to mount as the static output directory
-STATIC_ROOT=./static/books
-
-# ── Kokoro-FastAPI TTS ────────────────────────────────────────────────────────
-# Base URL for the Kokoro-FastAPI service.  When running via docker-compose the
-# default (http://kokoro:8880) is wired in automatically; override here only if
-# you are pointing at an external or GPU instance.
-KOKORO_URL=http://kokoro:8880
-
-# Default voice used for chapter narration.
-# Single voices: af_bella, af_sky, af_heart, am_adam, …
-# Mixed voices:  af_bella+af_sky  or  af_bella(2)+af_sky(1)  (weighted blend)
-KOKORO_VOICE=af_bella
-
-# ── MinIO / S3 object storage ─────────────────────────────────────────────────
-MINIO_ROOT_USER=admin
-MINIO_ROOT_PASSWORD=changeme123
-MINIO_BUCKET_CHAPTERS=libnovel-chapters
-MINIO_BUCKET_AUDIO=libnovel-audio
-
-# ── PocketBase ────────────────────────────────────────────────────────────────
-# Admin credentials (used by scraper + UI server-side)
-POCKETBASE_ADMIN_EMAIL=admin@libnovel.local
-POCKETBASE_ADMIN_PASSWORD=changeme123
-
-# ── SvelteKit UI ─────────────────────────────────────────────────────────────
-# Internal URL the SvelteKit server uses to reach the scraper API.
-# In docker-compose this is http://scraper:8080 (wired automatically).
-# Override here only if running the UI outside of docker-compose.
-SCRAPER_API_URL=http://localhost:8080
-
-# Internal URL the SvelteKit server uses to reach PocketBase.
-# In docker-compose this is http://pocketbase:8090 (wired automatically).
-POCKETBASE_URL=http://localhost:8090
-
-# Public MinIO URL reachable from the browser (for audio/presigned URLs).
-# In production, point this at your MinIO reverse-proxy or CDN domain.
-PUBLIC_MINIO_PUBLIC_URL=http://localhost:9000

.gitea/workflows/ci-scraper.yaml

@@ -1,76 +0,0 @@
-name: CI / Scraper
-
-on:
-  push:
-    branches: ["main", "master", "v2"]
-    paths:
-      - "scraper/**"
-      - ".gitea/workflows/ci-scraper.yaml"
-  pull_request:
-    branches: ["main", "master", "v2"]
-    paths:
-      - "scraper/**"
-      - ".gitea/workflows/ci-scraper.yaml"
-
-concurrency:
-  group: ${{ gitea.workflow }}-${{ gitea.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # ── lint & vet ───────────────────────────────────────────────────────────────
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: scraper/go.mod
-          cache-dependency-path: scraper/go.sum
-
-      - name: go vet
-        working-directory: scraper
-        run: |
-          go vet ./...
-          go vet -tags integration ./...
-
-  # ── tests ────────────────────────────────────────────────────────────────────
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: scraper/go.mod
-          cache-dependency-path: scraper/go.sum
-
-      - name: Run tests
-        working-directory: scraper
-        run: go test -short -race -count=1 -timeout=60s ./...
-
-  # ── push to Docker Hub ───────────────────────────────────────────────────────
-  docker:
-    name: Docker Push
-    runs-on: ubuntu-latest
-    needs: [lint, test]
-    if: gitea.event_name == 'push'
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USER }}
-          password: ${{ secrets.DOCKER_TOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: scraper
-          push: true
-          tags: |
-            ${{ secrets.DOCKER_USER }}/libnovel-scraper:latest
-            ${{ secrets.DOCKER_USER }}/libnovel-scraper:${{ gitea.sha }}

.gitea/workflows/ci-ui.yaml

@@ -1,67 +0,0 @@
-name: CI / UI
-
-on:
-  push:
-    branches: ["main", "master", "v2"]
-    paths:
-      - "ui/**"
-      - ".gitea/workflows/ci-ui.yaml"
-  pull_request:
-    branches: ["main", "master", "v2"]
-    paths:
-      - "ui/**"
-      - ".gitea/workflows/ci-ui.yaml"
-
-concurrency:
-  group: ${{ gitea.workflow }}-${{ gitea.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # ── type-check & build ───────────────────────────────────────────────────────
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ui
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: "22"
-          cache: npm
-          cache-dependency-path: ui/package-lock.json
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Type check
-        run: npm run check
-
-      - name: Build
-        run: npm run build
-
-  # ── push to Docker Hub ───────────────────────────────────────────────────────
-  docker:
-    name: Docker Push
-    runs-on: ubuntu-latest
-    needs: build
-    if: gitea.event_name == 'push'
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USER }}
-          password: ${{ secrets.DOCKER_TOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: ui
-          push: true
-          tags: |
-            ${{ secrets.DOCKER_USER }}/libnovel-ui:latest
-            ${{ secrets.DOCKER_USER }}/libnovel-ui:${{ gitea.sha }}

.gitea/workflows/ci.yaml

@@ -0,0 +1,123 @@
+name: CI
+
+on:
+  push:
+    branches: ["main", "master"]
+    paths:
+      - "backend/**"
+      - "ui/**"
+      - "caddy/**"
+      - "docker-compose.yml"
+      - ".gitea/workflows/ci.yaml"
+  pull_request:
+    branches: ["main", "master"]
+    paths:
+      - "backend/**"
+      - "ui/**"
+      - "caddy/**"
+      - "docker-compose.yml"
+      - ".gitea/workflows/ci.yaml"
+
+concurrency:
+  group: ${{ gitea.workflow }}-${{ gitea.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # ── backend: vet & test ───────────────────────────────────────────────────────
+  test-backend:
+    name: Test backend
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
+
+      - name: go vet
+        working-directory: backend
+        run: go vet ./...
+
+      - name: Run tests
+        working-directory: backend
+        run: go test -short -race -count=1 -timeout=60s ./...
+
+  # ── ui: type-check & build ────────────────────────────────────────────────────
+  check-ui:
+    name: Check ui
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ui
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          cache: npm
+          cache-dependency-path: ui/package-lock.json
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Type check
+        run: npm run check
+
+      - name: Build
+        run: npm run build
+
+  # ── docker: validate Dockerfiles build (no push) ──────────────────────────────
+  docker-backend:
+    name: Docker / backend
+    runs-on: ubuntu-latest
+    needs: [test-backend]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          context: backend
+          target: backend
+          push: false
+
+  docker-runner:
+    name: Docker / runner
+    runs-on: ubuntu-latest
+    needs: [test-backend]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          context: backend
+          target: runner
+          push: false
+
+  docker-ui:
+    name: Docker / ui
+    runs-on: ubuntu-latest
+    needs: [check-ui]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          context: ui
+          push: false
+
+  docker-caddy:
+    name: Docker / caddy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          context: caddy
+          push: false

.gitea/workflows/ios.yaml

@@ -1,63 +0,0 @@
-name: iOS CI
-
-on:
-  push:
-    branches: ["v2", "main"]
-    paths:
-      - "ios/**"
-      - "justfile"
-      - ".gitea/workflows/ios.yaml"
-      - ".gitea/workflows/ios-release.yaml"
-  pull_request:
-    branches: ["v2", "main"]
-    paths:
-      - "ios/**"
-      - "justfile"
-      - ".gitea/workflows/ios.yaml"
-      - ".gitea/workflows/ios-release.yaml"
-
-concurrency:
-  group: ios-macos-runner
-  cancel-in-progress: true
-
-jobs:
-  # ── build (simulator) ─────────────────────────────────────────────────────
-  build:
-    name: Build
-    runs-on: macos-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install just
-        run: command -v just || brew install just
-
-      - name: Build (simulator)
-        env:
-          USER: runner
-        run: just ios-build
-
-  # ── unit tests ────────────────────────────────────────────────────────────
-  test:
-    name: Test
-    runs-on: macos-latest
-    needs: build
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install just
-        run: command -v just || brew install just
-
-      - name: Run unit tests
-        env:
-          USER: runner
-        run: just ios-test
-
-      - name: Upload test results
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: test-results
-          path: ios/LibNovel/test-results.xml
-          retention-days: 7

.gitea/workflows/release-scraper.yaml

@@ -1,65 +0,0 @@
-name: Release / Scraper
-
-on:
-  push:
-    tags:
-      - "v*"
-
-concurrency:
-  group: ${{ gitea.workflow }}-${{ gitea.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # ── lint & test ──────────────────────────────────────────────────────────────
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: scraper/go.mod
-          cache-dependency-path: scraper/go.sum
-
-      - name: go vet
-        working-directory: scraper
-        run: |
-          go vet ./...
-          go vet -tags integration ./...
-
-      - name: Run tests
-        working-directory: scraper
-        run: go test -short -race -count=1 -timeout=60s ./...
-
-  # ── docker build & push ──────────────────────────────────────────────────────
-  docker:
-    name: Docker
-    runs-on: ubuntu-latest
-    needs: [test]
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USER }}
-          password: ${{ secrets.DOCKER_TOKEN }}
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-scraper
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: scraper
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

.gitea/workflows/release-ui.yaml

@@ -1,68 +0,0 @@
-name: Release / UI
-
-on:
-  push:
-    tags:
-      - "v*"
-
-concurrency:
-  group: ${{ gitea.workflow }}-${{ gitea.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # ── type-check & build ───────────────────────────────────────────────────────
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ui
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: "22"
-          cache: npm
-          cache-dependency-path: ui/package-lock.json
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Type check
-        run: npm run check
-
-      - name: Build
-        run: npm run build
-
-  # ── docker build & push ──────────────────────────────────────────────────────
-  docker:
-    name: Docker
-    runs-on: ubuntu-latest
-    needs: [build]
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USER }}
-          password: ${{ secrets.DOCKER_TOKEN }}
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-ui
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: ui
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

.gitea/workflows/release.yaml

@@ -0,0 +1,255 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"   # e.g. v1.0.0, v1.2.3
+
+concurrency:
+  group: ${{ gitea.workflow }}-${{ gitea.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # ── backend: vet & test ───────────────────────────────────────────────────────
+  test-backend:
+    name: Test backend
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
+
+      - name: go vet
+        working-directory: backend
+        run: go vet ./...
+
+      - name: Run tests
+        working-directory: backend
+        run: go test -short -race -count=1 -timeout=60s ./...
+
+  # ── ui: type-check & build ────────────────────────────────────────────────────
+  check-ui:
+    name: Check ui
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ui
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          cache: npm
+          cache-dependency-path: ui/package-lock.json
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Type check
+        run: npm run check
+
+      - name: Build
+        run: npm run build
+
+  # ── docker: backend ───────────────────────────────────────────────────────────
+  docker-backend:
+    name: Docker / backend
+    runs-on: ubuntu-latest
+    needs: [test-backend]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ secrets.DOCKER_USER }}/libnovel-backend
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: backend
+          target: backend
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ steps.meta.outputs.version }}
+            COMMIT=${{ gitea.sha }}
+          cache-from: type=registry,ref=${{ secrets.DOCKER_USER }}/libnovel-backend:latest
+          cache-to: type=inline
+
+  # ── docker: runner ────────────────────────────────────────────────────────────
+  docker-runner:
+    name: Docker / runner
+    runs-on: ubuntu-latest
+    needs: [test-backend]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ secrets.DOCKER_USER }}/libnovel-runner
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: backend
+          target: runner
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ steps.meta.outputs.version }}
+            COMMIT=${{ gitea.sha }}
+          cache-from: type=registry,ref=${{ secrets.DOCKER_USER }}/libnovel-runner:latest
+          cache-to: type=inline
+
+  # ── ui: source map upload ─────────────────────────────────────────────────────
+  # Builds the UI with source maps and uploads them to GlitchTip so that error
+  # stack traces resolve to original .svelte/.ts file names and line numbers.
+  # Runs in parallel with docker-ui (both need check-ui to pass first).
+  upload-sourcemaps:
+    name: Upload source maps
+    runs-on: ubuntu-latest
+    needs: [check-ui]
+    defaults:
+      run:
+        working-directory: ui
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+          cache: npm
+          cache-dependency-path: ui/package-lock.json
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build with source maps and upload to GlitchTip
+        env:
+          SENTRY_AUTH_TOKEN: ${{ secrets.GLITCHTIP_AUTH_TOKEN }}
+          BUILD_VERSION: ${{ gitea.ref_name }}
+        run: npm run build
+
+  # ── docker: ui ────────────────────────────────────────────────────────────────
+  docker-ui:
+    name: Docker / ui
+    runs-on: ubuntu-latest
+    needs: [check-ui]
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ secrets.DOCKER_USER }}/libnovel-ui
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: ui
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BUILD_VERSION=${{ steps.meta.outputs.version }}
+            BUILD_COMMIT=${{ gitea.sha }}
+          cache-from: type=registry,ref=${{ secrets.DOCKER_USER }}/libnovel-ui:latest
+          cache-to: type=inline
+
+  # ── docker: caddy ─────────────────────────────────────────────────────────────
+  docker-caddy:
+    name: Docker / caddy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ secrets.DOCKER_USER }}/libnovel-caddy
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: caddy
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=${{ secrets.DOCKER_USER }}/libnovel-caddy:latest
+          cache-to: type=inline
+
+  # ── Gitea release ─────────────────────────────────────────────────────────────
+  release:
+    name: Gitea Release
+    runs-on: ubuntu-latest
+    needs: [docker-backend, docker-runner, docker-ui, docker-caddy, upload-sourcemaps]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Create release
+        uses: actions/gitea-release-action@v1
+        with:
+          token: ${{ secrets.GITEA_TOKEN }}
+          generate_release_notes: true

.gitignore

@@ -5,16 +5,16 @@
 /dist/
 
 # ── Compiled binaries ──────────────────────────────────────────────────────────
-scraper/bin/
-scraper/scraper
+backend/bin/
 
-# ── Scraped output (large, machine-generated) ──────────────────────────────────
-
-/static/books
 # ── Environment & secrets ──────────────────────────────────────────────────────
+# Secrets are managed by Doppler — never commit .env files.
 .env
 .env.*
-!.env.example
+.env.local
+
+# ── CrowdSec — generated bouncer API key ──────────────────────────────────────
+crowdsec/.crowdsec.env
 
 # ── OS artefacts ───────────────────────────────────────────────────────────────
 .DS_Store

.opencode/skills/ios-ux/SKILL.md

@@ -0,0 +1,156 @@
+---
+name: ios-ux
+description: iOS/SwiftUI UI & UX review and implementation guidelines for LibNovel. Enforces Apple HIG, iOS 17+ APIs, spring animations, haptics, accessibility, performance, and offline handling. Load this skill for any iOS view work.
+compatibility: opencode
+---
+
+# iOS UI/UX Skill — LibNovel
+
+Load this skill whenever working on SwiftUI views in `ios/`. It defines design standards, review process for screenshots, and implementation rules.
+
+---
+
+## Screenshot Review Process
+
+When the user provides a screenshot of the app:
+
+1. **Analyze first** — identify specific UI/UX issues across these categories:
+   - Visual hierarchy and spacing
+   - Typography (size, weight, contrast)
+   - Color and material usage
+   - Animation and interactivity gaps
+   - Accessibility problems
+   - Deprecated or non-native patterns
+2. **Present a numbered list** of suggested improvements with brief rationale for each.
+3. **Ask for confirmation** before writing any code: "Should I apply all of these, or only specific ones?"
+4. Apply only what the user confirms.
+
+---
+
+## Design System
+
+### Colors & Materials
+- **Accent**: `Color.amber` (project-defined). Use for active state, selection indicators, progress fills, and CTAs.
+- **Backgrounds**: Prefer `.regularMaterial`, `.ultraThinMaterial`, or `.thinMaterial` over hard-coded `Color.black.opacity(x)` or `Color(.systemBackground)`.
+- **Dark overlays** (e.g. full-screen players): Use `KFImage` blurred background + `Color.black.opacity(0.5–0.6)` overlay. Never use a flat solid black background.
+- **Semantic colors**: Use `.primary`, `.secondary`, `.tertiary` foreground styles. Avoid hard-coded `Color.white` except on dark material contexts (full-screen player).
+- **No hardcoded color literals** — use `Color+App.swift` extensions or system semantic colors.
+
+### Typography
+- Use the SF Pro system font via `.font(.title)`, `.font(.body)`, etc. — never hardcode font names except for intentional stylistic accents (e.g. "Snell Roundhand" for voice watermark).
+- Apply `.fontWeight()` and `.fontDesign()` modifiers rather than custom font families.
+- Support Dynamic Type — never hardcode a fixed font size as the sole option without a `.minimumScaleFactor` or system font size modifier.
+- Hierarchy: title3.bold for primary labels, subheadline for secondary, caption/caption2 for metadata.
+
+### Spacing & Layout
+- Minimum touch target: **44×44 pt**. Use `.frame(minWidth: 44, minHeight: 44)` or `.contentShape(Rectangle())` on small icons.
+- Prefer 16–20 pt horizontal padding on full-width containers; 12 pt for compact inner elements.
+- Use `VStack(spacing:)` and `HStack(spacing:)` explicitly — never rely on default spacing for production UI.
+- Corner radii: 12–14 pt for cards/chips, 10 pt for small badges, 20–24 pt for large cover art.
+
+---
+
+## Animation Rules
+
+### Spring Animations (default for all interactive transitions)
+- Use `.spring(response:dampingFraction:)` for state-driven layout changes, selection feedback, and appear/disappear transitions.
+- Recommended defaults:
+  - Interactive elements: `response: 0.3, dampingFraction: 0.7`
+  - Entrance animations: `response: 0.45–0.5, dampingFraction: 0.7`
+  - Quick snappy feedback: `response: 0.2, dampingFraction: 0.6`
+- Reserve `.easeInOut` only for non-interactive, ambient animations (e.g. opacity pulses, generating overlays).
+
+### SF Symbol Transitions
+- Always use `contentTransition(.symbolEffect(.replace.downUp))` when a symbol name changes based on state (play/pause, checkmark/circle, etc.).
+- Use `.symbolEffect(.variableColor.cumulative)` for continuous animations (waveform, loading indicators).
+- Use `.symbolEffect(.bounce)` for one-shot entrance emphasis (e.g. completion checkmark appearing).
+- Use `.symbolEffect(.pulse)` for error/warning states that need attention.
+
+### Repeating Animations
+- Use `phaseAnimator` for any looping animation that previously used manual `@State` + `withAnimation` chains.
+- Do not use `Timer` publishers for UI animation — prefer `phaseAnimator` or `TimelineView`.
+
+---
+
+## Haptic Feedback
+
+Add `UIImpactFeedbackGenerator` to every user-initiated interactive control:
+- `.light` — toggle switches, selection chips, secondary actions, slider drag start.
+- `.medium` — primary transport buttons (play/pause, chapter skip), significant confirmations.
+- `.heavy` — destructive actions (only if no confirmation dialog).
+
+Pattern:
+```swift
+Button {
+    UIImpactFeedbackGenerator(style: .light).impactOccurred()
+    // action
+} label: { ... }
+```
+
+Do **not** add haptics to:
+- Programmatic state changes not directly triggered by a tap.
+- Buttons inside `List` rows that already use swipe actions.
+- Scroll events.
+
+---
+
+## iOS 17+ API Usage
+
+Flag and replace any of the following deprecated patterns:
+
+| Deprecated | Replace with |
+|---|---|
+| `NavigationView` | `NavigationStack` |
+| `@StateObject` / `ObservableObject` (new types only) | `@Observable` macro |
+| `DispatchQueue.main.async` | `await MainActor.run` or `@MainActor` |
+| Manual `@State` animation chains for repeating loops | `phaseAnimator` |
+| `.animation(_:)` without `value:` | `.animation(_:value:)` |
+| `AnyView` wrapping for conditional content | `@ViewBuilder` + `Group` |
+
+Do **not** refactor existing `ObservableObject` types to `@Observable` unless explicitly asked — only apply `@Observable` to new types.
+
+---
+
+## Accessibility
+
+Every view must:
+- Support VoiceOver: add `.accessibilityLabel()` to icon-only buttons and image views.
+- Support Dynamic Type: test that text doesn't truncate at xxxLarge without a layout adjustment.
+- Meet contrast ratio: text on tinted backgrounds must be legible — avoid `.opacity(0.25)` or lower for any user-readable text.
+- Touch targets ≥ 44pt (see Spacing above).
+- Interactive controls must have `.accessibilityAddTraits(.isButton)` if not using `Button`.
+- Do not rely solely on color to convey state — pair color with icon or label.
+
+---
+
+## Performance
+
+- **Isolate high-frequency observers**: Any view that observes a `PlaybackProgress` (timer-tick updates) must be a separate sub-view that `@ObservedObject`-observes only the progress object — not the parent view. This prevents the entire parent from re-rendering every 0.5 seconds.
+- **Avoid `id()` overuse**: Only use `.id()` to force view recreation when necessary (e.g. background image on track change). Prefer `onChange(of:)` for side effects.
+- **Lazy containers**: Use `LazyVStack` / `LazyHStack` inside `ScrollView` for lists of 20+ items. `List` is inherently lazy and does not need this.
+- **Image loading**: Always use `KFImage` (Kingfisher) with `.placeholder` for remote images. Never use `AsyncImage` for cover art — it has no disk cache.
+- **Avoid `AnyView`**: It breaks structural identity and hurts diffing. Use `@ViewBuilder` or `Group { }` instead.
+
+---
+
+## Offline & Error States
+
+Every view that makes network calls must:
+1. Wrap the body in a `VStack` with `OfflineBanner` at the top, gated on `networkMonitor.isConnected`.
+2. Suppress network errors silently when offline via `ErrorAlertModifier` — do not show an alert when the device is offline.
+3. Gate `.task` / `.onAppear` network calls: `guard networkMonitor.isConnected else { return }`.
+4. Show a non-blocking inline empty state (not a full-screen error) for failed loads when online.
+
+---
+
+## Component Checklist (before submitting any view change)
+
+- [ ] All interactive elements ≥ 44pt touch target
+- [ ] SF Symbol state changes use `contentTransition(.symbolEffect(...))`
+- [ ] State-driven layout transitions use `.spring(response:dampingFraction:)`
+- [ ] Tappable controls have haptic feedback
+- [ ] No `NavigationView`, no `DispatchQueue.main.async`, no `.animation(_:)` without `value:`
+- [ ] High-frequency observers are isolated sub-views
+- [ ] Offline state handled with `OfflineBanner` + `NetworkMonitor`
+- [ ] VoiceOver labels on icon-only buttons
+- [ ] No hardcoded `Color.black` / `Color.white` / `Color(.systemBackground)` where a material applies

AGENTS.md

@@ -1,171 +0,0 @@
-# libnovel Project
-
-Go web scraper for novelfire.net with TTS support via Kokoro-FastAPI. Structured data in PocketBase, binary blobs (chapters, audio, browse snapshots) in MinIO. SvelteKit frontend.
-
-## Architecture
-
-```
-scraper/
-├── cmd/scraper/main.go               # Entry point: run | refresh | serve | save-browse
-├── internal/
-│   ├── orchestrator/orchestrator.go  # Catalogue walk → per-book metadata goroutines → chapter worker pool
-│   ├── browser/                      # BrowserClient interface + direct HTTP (production) + Browserless variants
-│   ├── novelfire/scraper.go          # novelfire.net scraping (catalogue, metadata, chapters, ranking)
-│   ├── server/                       # HTTP API server (server.go + 6 handler files)
-│   │   ├── server.go                 # Server struct, route registration, ListenAndServe
-│   │   ├── handlers_scrape.go        # POST /scrape, /scrape/book, /scrape/book/range; job status/tasks
-│   │   ├── handlers_browse.go        # GET /api/browse, /api/search, /api/cover — MinIO-cached browse pages
-│   │   ├── handlers_preview.go       # GET /api/book-preview, /api/chapter-text-preview — live scrape, no store writes
-│   │   ├── handlers_audio.go         # POST /api/audio, GET /api/audio-proxy, voice samples, presign
-│   │   ├── handlers_progress.go      # GET/POST/DELETE /api/progress
-│   │   ├── handlers_ranking.go       # GET /api/ranking, /api/cover
-│   │   └── helpers.go                # stripMarkdown, hardcoded voice list fallback
-│   ├── storage/                      # Persistence layer (PocketBase + MinIO)
-│   │   ├── store.go                  # Store interface — single abstraction for server + orchestrator
-│   │   ├── hybrid.go                 # HybridStore: routes structured data → PocketBase, blobs → MinIO
-│   │   ├── pocketbase.go             # PocketBase REST admin client (7 collections, auth, schema bootstrap)
-│   │   ├── minio.go                  # MinIO client (3 buckets: chapters, audio, browse)
-│   │   └── coverutil.go              # Best-effort cover image downloader → browse bucket
-│   └── scraper/
-│       ├── interfaces.go             # NovelScraper interface + domain types (BookMeta, ChapterRef, etc.)
-│       └── htmlutil/htmlutil.go      # HTML parsing helpers (NodeToMarkdown, ResolveURL, etc.)
-```
-
-## Key Concepts
-
-- **Orchestrator**: Catalogue stream → per-book goroutines (metadata + chapter list) → shared chapter work channel → N worker goroutines (chapter text). Scrape jobs tracked in PocketBase `scraping_tasks`.
-- **Storage**: `HybridStore` implements the `Store` interface. PocketBase holds structured records (`books`, `chapters_idx`, `ranking`, `progress`, `audio_cache`, `app_users`, `scraping_tasks`). MinIO holds blobs (chapter markdown, audio MP3s, browse HTML snapshots, cover images).
-- **Browser Client**: Production uses `NewDirectHTTPClient` (plain HTTP, no Browserless). Browserless variants (content/scrape/cdp) exist in `browser/` but are only wired for the `save-browse` subcommand.
-- **Preview**: `GET /api/book-preview/{slug}` scrapes metadata + chapter list live without persisting anything — used when a book is not yet in the library. On first visit, metadata and chapter index are auto-saved to PocketBase in the background.
-- **Server**: 24 HTTP endpoints. Async scrape jobs (mutex, 409 on concurrent), in-flight dedup for audio generation, MinIO-backed browse page cache with mem-cache fallback.
-
-## Commands
-
-```bash
-# Build
-cd scraper && go build -o bin/scraper ./cmd/scraper
-
-# Full catalogue scrape (one-shot)
-./bin/scraper run
-
-# Single book
-./bin/scraper run --url https://novelfire.net/book/xxx
-
-# Re-scrape a book already in the DB (uses stored source_url)
-./bin/scraper refresh <slug>
-
-# HTTP server
-./bin/scraper serve
-
-# Capture browse pages to MinIO via SingleFile CLI (requires SINGLEFILE_PATH + BROWSERLESS_URL)
-./bin/scraper save-browse
-
-# Tests (unit only — integration tests require live services)
-cd scraper && go test ./... -short
-
-# All tests (requires MinIO + PocketBase + Browserless)
-cd scraper && go test ./...
-```
-
-## Environment Variables
-
-### Scraper (Go)
-
-| Variable | Description | Default |
-|----------|-------------|---------|
-| `LOG_LEVEL` | `debug\|info\|warn\|error` | `info` |
-| `SCRAPER_HTTP_ADDR` | HTTP listen address | `:8080` |
-| `SCRAPER_WORKERS` | Chapter goroutines | `NumCPU` |
-| `SCRAPER_TIMEOUT` | Per-request HTTP timeout (seconds) | `90` |
-| `KOKORO_URL` | Kokoro-FastAPI TTS base URL | `https://kokoro.kalekber.cc` |
-| `KOKORO_VOICE` | Default TTS voice | `af_bella` |
-| `MINIO_ENDPOINT` | MinIO S3 API host:port | `localhost:9000` |
-| `MINIO_PUBLIC_ENDPOINT` | Public MinIO endpoint for presigned URLs | `""` |
-| `MINIO_ACCESS_KEY` | MinIO access key | `admin` |
-| `MINIO_SECRET_KEY` | MinIO secret key | `changeme123` |
-| `MINIO_USE_SSL` | TLS for internal MinIO connection | `false` |
-| `MINIO_PUBLIC_USE_SSL` | TLS for public presigned URL endpoint | `true` |
-| `MINIO_BUCKET_CHAPTERS` | Chapter markdown bucket | `libnovel-chapters` |
-| `MINIO_BUCKET_AUDIO` | Audio MP3 bucket | `libnovel-audio` |
-| `MINIO_BUCKET_BROWSE` | Browse HTML + cover image bucket | `libnovel-browse` |
-| `POCKETBASE_URL` | PocketBase base URL | `http://localhost:8090` |
-| `POCKETBASE_ADMIN_EMAIL` | PocketBase admin email | `admin@libnovel.local` |
-| `POCKETBASE_ADMIN_PASSWORD` | PocketBase admin password | `changeme123` |
-| `BROWSERLESS_URL` | Browserless WS endpoint (save-browse only) | `http://localhost:3030` |
-| `SINGLEFILE_PATH` | SingleFile CLI binary path (save-browse only) | `single-file` |
-
-### UI (SvelteKit)
-
-| Variable | Description | Default |
-|----------|-------------|---------|
-| `AUTH_SECRET` | HMAC signing secret for auth tokens | `dev_secret_change_in_production` |
-| `SCRAPER_API_URL` | Internal URL of the Go scraper | `http://localhost:8080` |
-| `POCKETBASE_URL` | PocketBase base URL | `http://localhost:8090` |
-| `POCKETBASE_ADMIN_EMAIL` | PocketBase admin email | `admin@libnovel.local` |
-| `POCKETBASE_ADMIN_PASSWORD` | PocketBase admin password | `changeme123` |
-| `PUBLIC_MINIO_PUBLIC_URL` | Browser-visible MinIO URL (presigned links) | `http://localhost:9000` |
-
-## Docker
-
-```bash
-docker-compose up -d  # Starts: minio, minio-init, pocketbase, pb-init, scraper, ui
-```
-
-Services:
-
-| Service | Port(s) | Role |
-|---------|---------|------|
-| `minio` | `9000` (S3 API), `9001` (console) | Object storage |
-| `minio-init` | — | One-shot bucket creation then exits |
-| `pocketbase` | `8090` | Structured data store |
-| `pb-init` | — | One-shot PocketBase collection bootstrap then exits |
-| `scraper` | `8080` | Go scraper HTTP API |
-| `ui` | `5252` → internal `3000` | SvelteKit frontend |
-
-Kokoro and Browserless are **external services** — not in docker-compose.
-
-## HTTP API Endpoints (Go scraper)
-
-| Method | Path | Description |
-|--------|------|-------------|
-| `GET` | `/health` | Liveness probe |
-| `POST` | `/scrape` | Enqueue full catalogue scrape |
-| `POST` | `/scrape/book` | Enqueue single-book scrape `{url}` |
-| `POST` | `/scrape/book/range` | Enqueue range scrape `{url, from, to?}` |
-| `GET` | `/api/scrape/status` | Current scrape job status |
-| `GET` | `/api/scrape/tasks` | All scrape task records |
-| `GET` | `/api/browse` | Browse novelfire catalogue (MinIO-cached) |
-| `GET` | `/api/search` | Search local + remote `?q=` |
-| `GET` | `/api/ranking` | Ranking list |
-| `GET` | `/api/cover/{domain}/{slug}` | Proxy cover image from MinIO |
-| `GET` | `/api/book-preview/{slug}` | Live metadata + chapter list (no store write) |
-| `GET` | `/api/chapter-text-preview/{slug}/{n}` | Live chapter text (no store write) |
-| `POST` | `/api/reindex/{slug}` | Rebuild chapters_idx from MinIO |
-| `GET` | `/api/chapter-text/{slug}/{n}` | Chapter text (markdown stripped) |
-| `POST` | `/api/audio/{slug}/{n}` | Trigger Kokoro TTS generation |
-| `GET` | `/api/audio-proxy/{slug}/{n}` | Proxy generated audio |
-| `POST` | `/api/audio/voice-samples` | Pre-generate voice samples |
-| `GET` | `/api/voices` | List available Kokoro voices |
-| `GET` | `/api/presign/chapter/{slug}/{n}` | Presigned MinIO URL for chapter |
-| `GET` | `/api/presign/audio/{slug}/{n}` | Presigned MinIO URL for audio |
-| `GET` | `/api/presign/voice-sample/{voice}` | Presigned MinIO URL for voice sample |
-| `GET` | `/api/progress` | Get reading progress (session-scoped) |
-| `POST` | `/api/progress/{slug}` | Set reading progress |
-| `DELETE` | `/api/progress/{slug}` | Delete reading progress |
-
-## Code Patterns
-
-- `log/slog` for structured logging throughout
-- Context-based cancellation on all network calls and goroutines
-- Worker pool pattern in orchestrator (buffered channel + WaitGroup)
-- Single async scrape job enforced by mutex; 409 on concurrent requests; job state persisted to `scraping_tasks` in PocketBase
-- `Store` interface decouples all persistence — pass it around, never touch MinIO/PocketBase clients directly outside `storage/`
-- Auth: custom HMAC-signed token (`userId:username:role.<sig>`) in `libnovel_auth` cookie; signed with `AUTH_SECRET`
-
-## AI Context Tips
-
-- **Primary files to modify**: `orchestrator.go`, `server/handlers_*.go`, `novelfire/scraper.go`, `storage/hybrid.go`, `storage/pocketbase.go`
-- **To add a new scrape source**: implement `NovelScraper` from `internal/scraper/interfaces.go`
-- **To add a new API endpoint**: add handler in the appropriate `handlers_*.go` file, register in `server.go` `ListenAndServe()`
-- **Storage changes**: update `Store` interface in `store.go`, implement on `HybridStore` (hybrid.go) and `PocketBaseStore`/`MinioClient` as needed; update mock in `orchestrator_test.go`
-- **Skip**: `scraper/bin/` (compiled binary), MinIO/PocketBase data volumes

Caddyfile

@@ -0,0 +1,256 @@
+# v3/Caddyfile
+#
+# Caddy reverse proxy for LibNovel v3.
+# Custom build includes github.com/mholt/caddy-ratelimit.
+#
+# Environment variables consumed (set in docker-compose.yml):
+#   DOMAIN              — public hostname, e.g. libnovel.example.com
+#                         Use "localhost" for local dev (no TLS cert attempted).
+#   CADDY_ACME_EMAIL    — Let's Encrypt notification email (empty = no email)
+#
+# Routing rules (main domain):
+#   /health                        → backend:8080  (liveness probe)
+#   /scrape*                       → backend:8080  (Go admin scrape endpoints)
+#   /api/book-preview/*            → backend:8080  (live scrape, no store write)
+#   /api/chapter-text/*            → backend:8080  (chapter markdown from MinIO)
+#   /api/chapter-markdown/*        → backend:8080  (chapter markdown from MinIO)
+#   /api/reindex/*                 → backend:8080  (rebuild chapter index)
+#   /api/cover/*                   → backend:8080  (proxy cover image)
+#   /api/audio-proxy/*             → backend:8080  (proxy generated audio)
+#   /avatars/*                     → minio:9000    (presigned avatar GETs)
+#   /audio/*                       → minio:9000    (presigned audio GETs)
+#   /chapters/*                    → minio:9000    (presigned chapter GETs)
+#   /*  (everything else)          → ui:3000       (SvelteKit — handles all
+#                                                   remaining /api/* routes)
+#
+# Subdomain routing:
+#   feedback.libnovel.cc           → fider:3000    (user feedback / feature requests)
+#   errors.libnovel.cc             → glitchtip-web:8000  (error tracking)
+#   analytics.libnovel.cc          → umami:3000    (page analytics)
+#   logs.libnovel.cc               → dozzle:8080   (Docker log viewer)
+#   uptime.libnovel.cc             → uptime-kuma:3001  (uptime monitoring)
+#   push.libnovel.cc               → gotify:80     (push notifications)
+#
+# Routes intentionally removed from direct-to-backend:
+#   /api/scrape/*                  — SvelteKit has /api/scrape/ counterparts
+#                                    that enforce auth; routing directly would
+#                                    bypass SK middleware.
+#   /api/chapter-text-preview/*    — Same: SvelteKit owns
+#                                    /api/chapter-text-preview/[slug]/[n].
+#   /api/browse                    — Endpoint removed; browse snapshot system
+#                                    was deleted.
+{
+	# Email for Let's Encrypt ACME account registration.
+	# When CADDY_ACME_EMAIL is set this expands to e.g. "email you@example.com".
+	# When unset the variable expands to an empty string and Caddy ignores it.
+	email {$CADDY_ACME_EMAIL:}
+
+	# CrowdSec bouncer — streams decisions from the CrowdSec LAPI every 15s.
+	# CROWDSEC_API_KEY is injected at runtime via crowdsec/.crowdsec.env.
+	# The default "disabled" placeholder makes the bouncer fail-open (warn,
+	# pass traffic) when no key is configured — Caddy still starts cleanly.
+	crowdsec {
+		api_url http://crowdsec:8080
+		api_key {$CROWDSEC_API_KEY:disabled}
+		ticker_interval 15s
+	}
+}
+
+(security_headers) {
+	header {
+		# Prevent clickjacking
+		X-Frame-Options "SAMEORIGIN"
+		# Prevent MIME-type sniffing
+		X-Content-Type-Options "nosniff"
+		# Minimal referrer info for cross-origin requests
+		Referrer-Policy "strict-origin-when-cross-origin"
+		# Restrict powerful browser features
+		Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()"
+		# Enforce HTTPS for 1 year (includeSubDomains)
+		Strict-Transport-Security "max-age=31536000; includeSubDomains"
+		# Enable XSS filter in older browsers
+		X-XSS-Protection "1; mode=block"
+		# Remove server identity header
+		-Server
+	}
+}
+
+{$DOMAIN:localhost} {
+	import security_headers
+
+	# ── CrowdSec bouncer ──────────────────────────────────────────────────────
+	# Checks every incoming request against CrowdSec decisions.
+	# Banned IPs receive a 403; all others pass through unchanged.
+	route {
+		crowdsec
+	}
+
+	# ── Rate limiting ─────────────────────────────────────────────────────────
+	# Auth endpoints: strict — 10 req/min per IP
+	rate_limit {
+		zone auth_zone {
+			match {
+				path /api/auth/login /api/auth/register /api/auth/change-password
+			}
+			key    {remote_host}
+			window 1m
+			events 10
+		}
+	}
+
+	# Admin scrape endpoints: moderate — 20 req/min per IP
+	rate_limit {
+		zone scrape_zone {
+			match {
+				path /scrape*
+			}
+			key    {remote_host}
+			window 1m
+			events 20
+		}
+	}
+
+	# Global: 300 req/min per IP (covers everything)
+	rate_limit {
+		zone global_zone {
+			key    {remote_host}
+			window 1m
+			events 300
+		}
+	}
+
+	# ── Liveness probe ────────────────────────────────────────────────────────
+	handle /health {
+		reverse_proxy backend:8080
+	}
+
+	# ── Scrape task creation (Go backend only) ────────────────────────────────
+	handle /scrape* {
+		reverse_proxy backend:8080
+	}
+
+	# ── Backend-only API paths ────────────────────────────────────────────────
+	# These paths are served exclusively by the Go backend and have no
+	# SvelteKit counterpart. Routing them here skips SK intentionally.
+	handle /api/book-preview/* {
+		reverse_proxy backend:8080
+	}
+	handle /api/chapter-text/* {
+		reverse_proxy backend:8080
+	}
+	handle /api/chapter-markdown/* {
+		reverse_proxy backend:8080
+	}
+	handle /api/reindex/* {
+		reverse_proxy backend:8080
+	}
+	handle /api/cover/* {
+		reverse_proxy backend:8080
+	}
+	handle /api/audio-proxy/* {
+		reverse_proxy backend:8080
+	}
+
+	# ── MinIO bucket paths (presigned URLs) ──────────────────────────────────
+	# MinIO path-style presigned URLs include the bucket name as the first
+	# path segment. MINIO_PUBLIC_ENDPOINT points here, so Caddy must proxy
+	# these paths directly to MinIO — no auth layer needed (the presigned
+	# signature itself enforces access and expiry).
+	handle /avatars/* {
+		reverse_proxy minio:9000
+	}
+	handle /audio/* {
+		reverse_proxy minio:9000
+	}
+	handle /chapters/* {
+		reverse_proxy minio:9000
+	}
+
+	# ── SvelteKit UI (catch-all — includes all remaining /api/* routes) ───────
+	handle {
+		reverse_proxy ui:3000
+	}
+
+	# ── Caddy-level error pages ───────────────────────────────────────────────
+	# These fire when the upstream (backend or ui) is completely unreachable.
+	# SvelteKit's own +error.svelte handles application-level errors (404, 500).
+	handle_errors 502 {
+		root * /srv/errors
+		rewrite * /502.html
+		file_server
+	}
+	handle_errors 503 {
+		root * /srv/errors
+		rewrite * /503.html
+		file_server
+	}
+	handle_errors 504 {
+		root * /srv/errors
+		rewrite * /504.html
+		file_server
+	}
+
+	# ── Logging ───────────────────────────────────────────────────────────────
+	# JSON log file read by CrowdSec for threat detection.
+	log {
+		output file /var/log/caddy/access.log {
+			roll_size     100MiB
+			roll_keep     5
+			roll_keep_for 720h
+		}
+		format json
+	}
+}
+
+# ── Fider: user feedback & feature requests ───────────────────────────────────
+feedback.libnovel.cc {
+	import security_headers
+	reverse_proxy fider:3000
+}
+
+# ── GlitchTip: error tracking ─────────────────────────────────────────────────
+errors.libnovel.cc {
+	import security_headers
+	reverse_proxy glitchtip-web:8000
+}
+
+# ── Umami: page analytics ─────────────────────────────────────────────────────
+analytics.libnovel.cc {
+	import security_headers
+	reverse_proxy umami:3000
+}
+
+# ── Dozzle: Docker log viewer ─────────────────────────────────────────────────
+logs.libnovel.cc {
+	import security_headers
+	reverse_proxy dozzle:8080
+}
+
+# ── Uptime Kuma: uptime monitoring ────────────────────────────────────────────
+uptime.libnovel.cc {
+	import security_headers
+	reverse_proxy uptime-kuma:3001
+}
+
+# ── Gotify: push notifications ────────────────────────────────────────────────
+push.libnovel.cc {
+	import security_headers
+	reverse_proxy gotify:80
+}
+
+# ── PocketBase: exposed for homelab runner task polling ───────────────────────
+# Allows the homelab runner to claim tasks and write results via the PB API.
+# Admin UI is also accessible here for convenience.
+pb.libnovel.cc {
+	import security_headers
+	reverse_proxy pocketbase:8090
+}
+
+# ── MinIO S3 API: exposed for homelab runner object writes ────────────────────
+# The homelab runner connects here as MINIO_ENDPOINT to PutObject audio/chapters.
+# Also used as MINIO_PUBLIC_ENDPOINT for presigned URL generation.
+storage.libnovel.cc {
+	import security_headers
+	reverse_proxy minio:9000
+}
+}

README.md

@@ -0,0 +1,38 @@
+# LibNovel
+
+Self-hosted audiobook platform. Go backend + SvelteKit UI + MinIO/PocketBase/Meilisearch.
+
+## Requirements
+
+- Docker + Docker Compose
+- [just](https://github.com/casey/just)
+- [Doppler CLI](https://docs.doppler.com/docs/install-cli)
+
+## Setup
+
+```sh
+doppler login
+doppler setup   # project=libnovel, config=prd
+```
+
+## Usage
+
+```sh
+just up          # start everything
+just down        # stop
+just logs        # tail all logs
+just log backend # tail one service
+just build       # rebuild images
+just restart     # down + up
+just secrets     # view/edit secrets
+```
+
+## Secrets
+
+Managed via Doppler (`project=libnovel`, `config=prd`). No `.env` files.
+
+To add or update a secret:
+
+```sh
+doppler secrets set MY_SECRET=value
+```

backend/.dockerignore

@@ -0,0 +1,13 @@
+# Exclude compiled binaries
+bin/
+
+# Exclude test binaries produced by `go test -c`
+*.test
+
+# Git history is not needed inside the image
+.git/
+
+# Editor/OS noise
+.DS_Store
+*.swp
+*.swo

backend/Dockerfile

@@ -0,0 +1,42 @@
+# syntax=docker/dockerfile:1
+FROM golang:1.26.1-alpine AS builder
+WORKDIR /app
+
+# Download modules into the BuildKit cache so they survive across builds.
+# This layer is only invalidated when go.mod or go.sum changes.
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/root/go/pkg/mod \
+    go mod download
+
+COPY . .
+
+ARG VERSION=dev
+ARG COMMIT=unknown
+
+# Build all three binaries in a single layer so the Go compiler can reuse
+# intermediate object files.  Both cache mounts are preserved between builds:
+#   /root/go/pkg/mod   — downloaded module source
+#   /root/.cache/go-build — compiled package objects (incremental recompile)
+RUN --mount=type=cache,target=/root/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=0 GOOS=linux go build \
+      -ldflags="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT}" \
+      -o /out/backend ./cmd/backend && \
+    CGO_ENABLED=0 GOOS=linux go build \
+      -ldflags="-s -w -X main.version=${VERSION} -X main.commit=${COMMIT}" \
+      -o /out/runner ./cmd/runner && \
+    CGO_ENABLED=0 GOOS=linux go build \
+      -ldflags="-s -w" \
+      -o /out/healthcheck ./cmd/healthcheck
+
+# ── backend service ──────────────────────────────────────────────────────────
+FROM gcr.io/distroless/static:nonroot AS backend
+COPY --from=builder /out/healthcheck /healthcheck
+COPY --from=builder /out/backend /backend
+ENTRYPOINT ["/backend"]
+
+# ── runner service ───────────────────────────────────────────────────────────
+FROM gcr.io/distroless/static:nonroot AS runner
+COPY --from=builder /out/healthcheck /healthcheck
+COPY --from=builder /out/runner /runner
+ENTRYPOINT ["/runner"]

backend/cmd/backend/main.go

@@ -0,0 +1,153 @@
+// Command backend is the LibNovel HTTP API server.
+//
+// It exposes all endpoints consumed by the SvelteKit UI: book/chapter reads,
+// scrape-task creation, presigned MinIO URLs, audio-task creation, reading
+// progress, live novelfire.net search, and Kokoro voice list.
+//
+// All heavy lifting (scraping, TTS generation) is delegated to the runner
+// binary via PocketBase task records. The backend never scrapes directly.
+//
+// Usage:
+//
+//	backend          # start HTTP server (blocks until SIGINT/SIGTERM)
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/getsentry/sentry-go"
+	"github.com/libnovel/backend/internal/backend"
+	"github.com/libnovel/backend/internal/config"
+	"github.com/libnovel/backend/internal/kokoro"
+	"github.com/libnovel/backend/internal/meili"
+	"github.com/libnovel/backend/internal/storage"
+)
+
+// version and commit are set at build time via -ldflags.
+var (
+	version = "dev"
+	commit  = "unknown"
+)
+
+func main() {
+	if err := run(); err != nil {
+		fmt.Fprintf(os.Stderr, "backend: fatal: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	cfg := config.Load()
+
+	// ── Sentry / GlitchTip error tracking ────────────────────────────────────
+	if dsn := os.Getenv("GLITCHTIP_DSN"); dsn != "" {
+		if err := sentry.Init(sentry.ClientOptions{
+			Dsn:              dsn,
+			Release:          version + "@" + commit,
+			TracesSampleRate: 0.1,
+		}); err != nil {
+			fmt.Fprintf(os.Stderr, "backend: sentry init warning: %v\n", err)
+		} else {
+			defer sentry.Flush(2 * time.Second)
+		}
+	}
+
+	// ── Logger ───────────────────────────────────────────────────────────────
+	log := buildLogger(cfg.LogLevel)
+	log.Info("backend starting",
+		"version", version,
+		"commit", commit,
+		"addr", cfg.HTTP.Addr,
+	)
+
+	// ── Context: cancel on SIGINT / SIGTERM ──────────────────────────────────
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	// ── Storage ──────────────────────────────────────────────────────────────
+	store, err := storage.NewStore(ctx, cfg, log)
+	if err != nil {
+		return fmt.Errorf("init storage: %w", err)
+	}
+
+	// ── Kokoro (voice list only; audio generation is done by the runner) ─────
+	var kokoroClient kokoro.Client
+	if cfg.Kokoro.URL != "" {
+		kokoroClient = kokoro.New(cfg.Kokoro.URL)
+		log.Info("kokoro voices enabled", "url", cfg.Kokoro.URL)
+	} else {
+		log.Info("KOKORO_URL not set — voice list will use built-in fallback")
+		kokoroClient = &noopKokoro{}
+	}
+
+	// ── Meilisearch (search reads only; indexing is the runner's job) ────────
+	var searchIndex meili.Client
+	if cfg.Meilisearch.URL != "" {
+		searchIndex = meili.New(cfg.Meilisearch.URL, cfg.Meilisearch.APIKey)
+		log.Info("meilisearch search enabled", "url", cfg.Meilisearch.URL)
+	} else {
+		log.Info("MEILI_URL not set — search will use PocketBase substring fallback")
+		searchIndex = meili.NoopClient{}
+	}
+
+	// ── Backend server ───────────────────────────────────────────────────────
+	srv := backend.New(
+		backend.Config{
+			Addr:         cfg.HTTP.Addr,
+			DefaultVoice: cfg.Kokoro.DefaultVoice,
+			Version:      version,
+			Commit:       commit,
+		},
+		backend.Dependencies{
+			BookReader:    store,
+			RankingStore:  store,
+			AudioStore:    store,
+			PresignStore:  store,
+			ProgressStore: store,
+			CoverStore:    store,
+			Producer:      store,
+			TaskReader:    store,
+			SearchIndex:   searchIndex,
+			Kokoro:        kokoroClient,
+			Log:           log,
+		},
+	)
+
+	return srv.ListenAndServe(ctx)
+}
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+
+func buildLogger(level string) *slog.Logger {
+	var lvl slog.Level
+	switch level {
+	case "debug":
+		lvl = slog.LevelDebug
+	case "warn":
+		lvl = slog.LevelWarn
+	case "error":
+		lvl = slog.LevelError
+	default:
+		lvl = slog.LevelInfo
+	}
+	return slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: lvl}))
+}
+
+// noopKokoro is a no-op implementation used when KOKORO_URL is not set.
+// The backend only uses Kokoro for the voice list; audio generation is the
+// runner's responsibility. With no URL the built-in fallback list is served.
+type noopKokoro struct{}
+
+func (n *noopKokoro) GenerateAudio(_ context.Context, _, _ string) ([]byte, error) {
+	return nil, fmt.Errorf("kokoro not configured (KOKORO_URL is empty)")
+}
+
+func (n *noopKokoro) ListVoices(_ context.Context) ([]string, error) {
+	return nil, nil
+}

backend/cmd/backend/main_test.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"os"
+	"testing"
+)
+
+// TestBuildLogger verifies that buildLogger returns a non-nil logger for each
+// supported log level string and for unknown values.
+func TestBuildLogger(t *testing.T) {
+	for _, level := range []string{"debug", "info", "warn", "error", "unknown", ""} {
+		l := buildLogger(level)
+		if l == nil {
+			t.Errorf("buildLogger(%q) returned nil", level)
+		}
+	}
+}
+
+// TestNoopKokoro verifies that the no-op Kokoro stub returns the expected
+// sentinel error from GenerateAudio and nil, nil from ListVoices.
+func TestNoopKokoro(t *testing.T) {
+	noop := &noopKokoro{}
+
+	_, err := noop.GenerateAudio(t.Context(), "text", "af_bella")
+	if err == nil {
+		t.Fatal("noopKokoro.GenerateAudio: expected error, got nil")
+	}
+
+	voices, err := noop.ListVoices(t.Context())
+	if err != nil {
+		t.Fatalf("noopKokoro.ListVoices: unexpected error: %v", err)
+	}
+	if voices != nil {
+		t.Fatalf("noopKokoro.ListVoices: expected nil slice, got %v", voices)
+	}
+}
+
+// TestRunStorageUnreachable verifies that run() fails fast and returns a
+// descriptive error when PocketBase is unreachable.
+func TestRunStorageUnreachable(t *testing.T) {
+	// Point at an address nothing is listening on.
+	t.Setenv("POCKETBASE_URL", "http://127.0.0.1:19999")
+	// Use a fast listen address so we don't accidentally start a real server.
+	t.Setenv("BACKEND_HTTP_ADDR", "127.0.0.1:0")
+
+	err := run()
+	if err == nil {
+		t.Fatal("run() should have returned an error when storage is unreachable")
+	}
+
+	t.Logf("got expected error: %v", err)
+}
+
+// TestMain runs the test suite. No special setup required.
+func TestMain(m *testing.M) {
+	os.Exit(m.Run())
+}

backend/cmd/healthcheck/main.go

@@ -0,0 +1,89 @@
+// healthcheck is a static binary used by Docker HEALTHCHECK CMD in distroless
+// images (which have no shell, wget, or curl).
+//
+// Two modes:
+//
+//  1. HTTP mode (default):
+//     /healthcheck <url>
+//     Performs GET <url>; exits 0 if HTTP 2xx/3xx, 1 otherwise.
+//     Example: /healthcheck http://localhost:8080/health
+//
+//  2. File-liveness mode:
+//     /healthcheck file <path> <max_age_seconds>
+//     Reads <path>, parses its content as RFC3339 timestamp, and exits 1 if the
+//     timestamp is older than <max_age_seconds>. Used by the runner service which
+//     writes /tmp/runner.alive on every successful poll.
+//     Example: /healthcheck file /tmp/runner.alive 120
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+)
+
+func main() {
+	if len(os.Args) > 1 && os.Args[1] == "file" {
+		checkFile()
+		return
+	}
+	checkHTTP()
+}
+
+// checkHTTP performs a GET request and exits 0 on success, 1 on failure.
+func checkHTTP() {
+	url := "http://localhost:8080/health"
+	if len(os.Args) > 1 {
+		url = os.Args[1]
+	}
+	resp, err := http.Get(url) //nolint:gosec,noctx
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "healthcheck: %v\n", err)
+		os.Exit(1)
+	}
+	resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		fmt.Fprintf(os.Stderr, "healthcheck: status %d\n", resp.StatusCode)
+		os.Exit(1)
+	}
+}
+
+// checkFile reads a timestamp from a file and exits 1 if it is older than the
+// given max age. Usage: /healthcheck file <path> <max_age_seconds>
+func checkFile() {
+	if len(os.Args) < 4 {
+		fmt.Fprintln(os.Stderr, "healthcheck file: usage: /healthcheck file <path> <max_age_seconds>")
+		os.Exit(1)
+	}
+	path := os.Args[2]
+	maxAgeSec, err := strconv.ParseInt(os.Args[3], 10, 64)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "healthcheck file: invalid max_age_seconds %q: %v\n", os.Args[3], err)
+		os.Exit(1)
+	}
+
+	data, err := os.ReadFile(path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "healthcheck file: cannot read %s: %v\n", path, err)
+		os.Exit(1)
+	}
+
+	ts, err := time.Parse(time.RFC3339, string(data))
+	if err != nil {
+		// Fallback: use file mtime if content is not a valid timestamp.
+		info, statErr := os.Stat(path)
+		if statErr != nil {
+			fmt.Fprintf(os.Stderr, "healthcheck file: cannot stat %s: %v\n", path, statErr)
+			os.Exit(1)
+		}
+		ts = info.ModTime()
+	}
+
+	age := time.Since(ts)
+	if age > time.Duration(maxAgeSec)*time.Second {
+		fmt.Fprintf(os.Stderr, "healthcheck file: %s is %.0fs old (max %ds)\n", path, age.Seconds(), maxAgeSec)
+		os.Exit(1)
+	}
+}

backend/cmd/runner/main.go

@@ -0,0 +1,173 @@
+// Command runner is the homelab worker binary.
+//
+// It polls PocketBase for pending scrape and audio tasks, executes them, and
+// writes results back. It connects directly to PocketBase and MinIO using
+// admin credentials loaded from environment variables.
+//
+// Usage:
+//
+//	runner          # start polling loop (blocks until SIGINT/SIGTERM)
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/signal"
+	"runtime"
+	"syscall"
+	"time"
+
+	"github.com/getsentry/sentry-go"
+	"github.com/libnovel/backend/internal/browser"
+	"github.com/libnovel/backend/internal/config"
+	"github.com/libnovel/backend/internal/kokoro"
+	"github.com/libnovel/backend/internal/meili"
+	"github.com/libnovel/backend/internal/novelfire"
+	"github.com/libnovel/backend/internal/runner"
+	"github.com/libnovel/backend/internal/storage"
+)
+
+// version and commit are set at build time via -ldflags.
+var (
+	version = "dev"
+	commit  = "unknown"
+)
+
+func main() {
+	if err := run(); err != nil {
+		fmt.Fprintf(os.Stderr, "runner: fatal: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	cfg := config.Load()
+
+	// ── Sentry / GlitchTip error tracking ────────────────────────────────────
+	if dsn := os.Getenv("GLITCHTIP_DSN"); dsn != "" {
+		if err := sentry.Init(sentry.ClientOptions{
+			Dsn:              dsn,
+			Release:          version + "@" + commit,
+			TracesSampleRate: 0.1,
+		}); err != nil {
+			fmt.Fprintf(os.Stderr, "runner: sentry init warning: %v\n", err)
+		} else {
+			defer sentry.Flush(2 * time.Second)
+		}
+	}
+
+	// ── Logger ──────────────────────────────────────────────────────────────
+	log := buildLogger(cfg.LogLevel)
+	log.Info("runner starting",
+		"version", version,
+		"commit", commit,
+		"worker_id", cfg.Runner.WorkerID,
+	)
+
+	// ── Context: cancel on SIGINT / SIGTERM ─────────────────────────────────
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	// ── Storage ─────────────────────────────────────────────────────────────
+	store, err := storage.NewStore(ctx, cfg, log)
+	if err != nil {
+		return fmt.Errorf("init storage: %w", err)
+	}
+
+	// ── Browser / Scraper ───────────────────────────────────────────────────
+	workers := cfg.Runner.Workers
+	if workers <= 0 {
+		workers = runtime.NumCPU()
+	}
+	timeout := cfg.Runner.Timeout
+	if timeout <= 0 {
+		timeout = 90 * time.Second
+	}
+
+	browserClient := browser.NewDirectClient(browser.Config{
+		MaxConcurrent: workers,
+		Timeout:       timeout,
+	})
+	novel := novelfire.New(browserClient, log)
+
+	// ── Kokoro ──────────────────────────────────────────────────────────────
+	var kokoroClient kokoro.Client
+	if cfg.Kokoro.URL != "" {
+		kokoroClient = kokoro.New(cfg.Kokoro.URL)
+		log.Info("kokoro TTS enabled", "url", cfg.Kokoro.URL)
+	} else {
+		log.Warn("KOKORO_URL not set — audio tasks will fail")
+		kokoroClient = &noopKokoro{}
+	}
+
+	// ── Meilisearch ─────────────────────────────────────────────────────────
+	var searchIndex meili.Client
+	if cfg.Meilisearch.URL != "" {
+		if err := meili.Configure(cfg.Meilisearch.URL, cfg.Meilisearch.APIKey); err != nil {
+			log.Warn("meilisearch configure failed — search indexing disabled", "err", err)
+			searchIndex = meili.NoopClient{}
+		} else {
+			searchIndex = meili.New(cfg.Meilisearch.URL, cfg.Meilisearch.APIKey)
+			log.Info("meilisearch enabled", "url", cfg.Meilisearch.URL)
+		}
+	} else {
+		log.Info("MEILI_URL not set — search indexing disabled")
+		searchIndex = meili.NoopClient{}
+	}
+
+	// ── Runner ──────────────────────────────────────────────────────────────
+	rCfg := runner.Config{
+		WorkerID:                    cfg.Runner.WorkerID,
+		PollInterval:                cfg.Runner.PollInterval,
+		MaxConcurrentScrape:         cfg.Runner.MaxConcurrentScrape,
+		MaxConcurrentAudio:          cfg.Runner.MaxConcurrentAudio,
+		OrchestratorWorkers:         workers,
+		MetricsAddr:                 cfg.Runner.MetricsAddr,
+		CatalogueRefreshInterval:    cfg.Runner.CatalogueRefreshInterval,
+		SkipInitialCatalogueRefresh: cfg.Runner.SkipInitialCatalogueRefresh,
+	}
+	deps := runner.Dependencies{
+		Consumer:    store,
+		BookWriter:  store,
+		BookReader:  store,
+		AudioStore:  store,
+		CoverStore:  store,
+		SearchIndex: searchIndex,
+		Novel:       novel,
+		Kokoro:      kokoroClient,
+		Log:         log,
+	}
+	r := runner.New(rCfg, deps)
+
+	return r.Run(ctx)
+}
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+
+func buildLogger(level string) *slog.Logger {
+	var lvl slog.Level
+	switch level {
+	case "debug":
+		lvl = slog.LevelDebug
+	case "warn":
+		lvl = slog.LevelWarn
+	case "error":
+		lvl = slog.LevelError
+	default:
+		lvl = slog.LevelInfo
+	}
+	return slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: lvl}))
+}
+
+// noopKokoro is a no-op implementation used when KOKORO_URL is not set.
+type noopKokoro struct{}
+
+func (n *noopKokoro) GenerateAudio(_ context.Context, _, _ string) ([]byte, error) {
+	return nil, fmt.Errorf("kokoro not configured (KOKORO_URL is empty)")
+}
+
+func (n *noopKokoro) ListVoices(_ context.Context) ([]string, error) {
+	return nil, nil
+}

backend/go.mod

@@ -1,37 +1,37 @@
-module github.com/libnovel/scraper
+module github.com/libnovel/backend
 
-go 1.25.0
+go 1.26.1
 
 require (
 	github.com/minio/minio-go/v7 v7.0.98
 	golang.org/x/net v0.51.0
-	honnef.co/go/tools v0.7.0
 )
 
 require (
-	github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
+	github.com/andybalholm/brotli v1.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/getsentry/sentry-go v0.43.0 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
+	github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/klauspost/compress v1.18.2 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.11 // indirect
 	github.com/klauspost/crc32 v1.3.0 // indirect
+	github.com/meilisearch/meilisearch-go v0.36.1 // indirect
 	github.com/minio/crc64nvme v1.1.1 // indirect
 	github.com/minio/md5-simd v1.1.2 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/redis/go-redis/v9 v9.18.0 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/tinylib/msgp v1.6.1 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.48.0 // indirect
-	golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 // indirect
-	golang.org/x/mod v0.32.0 // indirect
-	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.41.0 // indirect
 	golang.org/x/text v0.34.0 // indirect
-	golang.org/x/tools v0.41.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
-
-tool honnef.co/go/tools/cmd/staticcheck

backend/go.sum

@@ -1,13 +1,19 @@
-github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
-github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
+github.com/andybalholm/brotli v1.1.1/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/getsentry/sentry-go v0.43.0 h1:XbXLpFicpo8HmBDaInk7dum18G9KSLcjZiyUKS+hLW4=
+github.com/getsentry/sentry-go v0.43.0/go.mod h1:XDotiNZbgf5U8bPDUAfvcFmOnMQQceESxyKaObSssW0=
 github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
+github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
@@ -17,6 +23,8 @@ github.com/klauspost/cpuid/v2 v2.2.11 h1:0OwqZRYI2rFrjS4kvkDnqJkKHdHaRnCm68/DY4O
 github.com/klauspost/cpuid/v2 v2.2.11/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/klauspost/crc32 v1.3.0 h1:sSmTt3gUt81RP655XGZPElI0PelVTZ6YwCRnPSupoFM=
 github.com/klauspost/crc32 v1.3.0/go.mod h1:D7kQaZhnkX/Y0tstFGf8VUzv2UofNGqCjnC3zdHB0Hw=
+github.com/meilisearch/meilisearch-go v0.36.1 h1:mJTCJE5g7tRvaqKco6DfqOuJEjX+rRltDEnkEC02Y0M=
+github.com/meilisearch/meilisearch-go v0.36.1/go.mod h1:hWcR0MuWLSzHfbz9GGzIr3s9rnXLm1jqkmHkJPbUSvM=
 github.com/minio/crc64nvme v1.1.1 h1:8dwx/Pz49suywbO+auHCBpCtlW1OfpcLN7wYgVR6wAI=
 github.com/minio/crc64nvme v1.1.1/go.mod h1:eVfm2fAzLlxMdUGc0EEBGSMmPwmXD5XiNRpnu9J3bvg=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
@@ -27,35 +35,30 @@ github.com/philhofer/fwd v1.2.0 h1:e6DnBTl7vGY+Gz322/ASL4Gyp1FspeMvx1RNDoToZuM=
 github.com/philhofer/fwd v1.2.0/go.mod h1:RqIHx9QI14HlwKwm98g9Re5prTQ6LdeRQn+gXJFxsJM=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/redis/go-redis/v9 v9.18.0 h1:pMkxYPkEbMPwRdenAzUNyFNrDgHx9U+DrBabWNfSRQs=
+github.com/redis/go-redis/v9 v9.18.0/go.mod h1:k3ufPphLU5YXwNTUcCRXGxUoF1fqxnhFQmscfkCoDA0=
 github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/tinylib/msgp v1.6.1 h1:ESRv8eL3u+DNHUoSAAQRE50Hm162zqAnBoGv9PzScPY=
 github.com/tinylib/msgp v1.6.1/go.mod h1:RSp0LW9oSxFut3KzESt5Voq4GVWyS+PSulT77roAqEA=
+github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
 golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
-golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 h1:1P7xPZEwZMoBoz0Yze5Nx2/4pxj6nw9ZqHWXqP0iRgQ=
-golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678/go.mod h1:AbB0pIl9nAr9wVwH+Z2ZpaocVmF5I4GyWCDIsVjR0bk=
-golang.org/x/mod v0.32.0 h1:9F4d3PHLljb6x//jOyokMv3eX+YDeepZSEo3mFJy93c=
-golang.org/x/mod v0.32.0/go.mod h1:SgipZ/3h2Ci89DlEtEXWUk/HteuRin+HHhN+WbNhguU=
 golang.org/x/net v0.51.0 h1:94R/GTO7mt3/4wIKpcR5gkGmRLOuE/2hNGeWq/GBIFo=
 golang.org/x/net v0.51.0/go.mod h1:aamm+2QF5ogm02fjy5Bb7CQ0WMt1/WVM7FtyaTLlA9Y=
-golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
 golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
 golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
-golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
-golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
-golang.org/x/tools/go/expect v0.1.1-deprecated h1:jpBZDwmgPhXsKZC6WhL20P4b/wmnpsEAGHaNy0n/rJM=
-golang.org/x/tools/go/expect v0.1.1-deprecated/go.mod h1:eihoPOH+FgIqa3FpoTwguz/bVUSGBlGQU67vpBeOrBY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.7.0 h1:w6WUp1VbkqPEgLz4rkBzH/CSU6HkoqNLp6GstyTx3lU=
-honnef.co/go/tools v0.7.0/go.mod h1:pm29oPxeP3P82ISxZDgIYeOaf9ta6Pi0EWvCFoLG2vc=

backend/internal/backend/server.go

@@ -0,0 +1,303 @@
+// Package backend implements the HTTP API server for the LibNovel backend.
+//
+// The server exposes all endpoints consumed by the SvelteKit UI:
+//   - Book/chapter reads from PocketBase/MinIO via bookstore interfaces
+//   - Task creation (scrape + audio) via taskqueue.Producer — the runner binary
+//     picks up and executes those tasks asynchronously
+//   - Presigned MinIO URLs for media playback/upload
+//   - Session-scoped reading progress
+//   - Live novelfire.net search (no scraper interface needed; direct HTTP)
+//   - Kokoro voice list
+//
+// The backend never scrapes directly. All scraping (metadata, chapter list,
+// chapter text, audio TTS) is delegated to the runner binary via PocketBase
+// task records. GET /api/book-preview enqueues a task when the book is absent.
+//
+// All external dependencies are injected as interfaces; concrete types live in
+// internal/storage and are wired by cmd/backend/main.go.
+package backend
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"sync"
+	"time"
+
+	sentryhttp "github.com/getsentry/sentry-go/http"
+	"github.com/libnovel/backend/internal/bookstore"
+	"github.com/libnovel/backend/internal/kokoro"
+	"github.com/libnovel/backend/internal/meili"
+	"github.com/libnovel/backend/internal/taskqueue"
+)
+
+// Dependencies holds all external services the backend server depends on.
+// Every field is an interface so test doubles can be injected freely.
+type Dependencies struct {
+	// BookReader reads book metadata and chapter text from PocketBase/MinIO.
+	BookReader bookstore.BookReader
+	// RankingStore reads ranking data from PocketBase.
+	RankingStore bookstore.RankingStore
+	// AudioStore checks audio object existence and computes MinIO keys.
+	AudioStore bookstore.AudioStore
+	// PresignStore generates short-lived MinIO URLs.
+	PresignStore bookstore.PresignStore
+	// ProgressStore reads/writes per-session reading progress.
+	ProgressStore bookstore.ProgressStore
+	// CoverStore reads and writes book cover images from MinIO.
+	// If nil, the cover endpoint falls back to a CDN redirect.
+	CoverStore bookstore.CoverStore
+	// Producer creates scrape/audio tasks in PocketBase.
+	Producer taskqueue.Producer
+	// TaskReader reads scrape/audio task records from PocketBase.
+	TaskReader taskqueue.Reader
+	// SearchIndex provides full-text book search via Meilisearch.
+	// If nil, the local-only fallback search is used.
+	SearchIndex meili.Client
+	// Kokoro is the TTS client (used for voice list only in the backend;
+	// audio generation is done by the runner).
+	Kokoro kokoro.Client
+	// Log is the structured logger.
+	Log *slog.Logger
+}
+
+// Config holds HTTP server tuning parameters.
+type Config struct {
+	// Addr is the listen address, e.g. ":8080".
+	Addr string
+	// DefaultVoice is used when no voice is specified in audio requests.
+	DefaultVoice string
+	// Version and Commit are embedded in /health and /api/version responses.
+	Version string
+	Commit  string
+}
+
+// Server is the HTTP API server.
+type Server struct {
+	cfg  Config
+	deps Dependencies
+
+	// voiceMu guards cachedVoices. Populated lazily on first GET /api/voices.
+	voiceMu      sync.RWMutex
+	cachedVoices []string
+}
+
+// New creates a Server from cfg and deps.
+func New(cfg Config, deps Dependencies) *Server {
+	if cfg.DefaultVoice == "" {
+		cfg.DefaultVoice = "af_bella"
+	}
+	if deps.Log == nil {
+		deps.Log = slog.Default()
+	}
+	if deps.SearchIndex == nil {
+		deps.SearchIndex = meili.NoopClient{}
+	}
+	return &Server{cfg: cfg, deps: deps}
+}
+
+// ListenAndServe registers all routes and starts the HTTP server.
+// It blocks until ctx is cancelled, then performs a graceful shutdown.
+func (s *Server) ListenAndServe(ctx context.Context) error {
+	mux := http.NewServeMux()
+
+	// Health / version
+	mux.HandleFunc("GET /health", s.handleHealth)
+	mux.HandleFunc("GET /api/version", s.handleVersion)
+
+	// Scrape task creation (202 Accepted — runner executes asynchronously)
+	mux.HandleFunc("POST /scrape", s.handleScrapeCatalogue)
+	mux.HandleFunc("POST /scrape/book", s.handleScrapeBook)
+	mux.HandleFunc("POST /scrape/book/range", s.handleScrapeBookRange)
+
+	// Scrape task status / history
+	mux.HandleFunc("GET /api/scrape/status", s.handleScrapeStatus)
+	mux.HandleFunc("GET /api/scrape/tasks", s.handleScrapeTasks)
+
+	// Cancel a pending task (scrape or audio)
+	mux.HandleFunc("POST /api/cancel-task/{id}", s.handleCancelTask)
+
+	// Browse & search
+	mux.HandleFunc("GET /api/search", s.handleSearch)
+
+	// Catalogue (Meilisearch-backed browse + search — preferred path for UI)
+	mux.HandleFunc("GET /api/catalogue", s.handleCatalogue)
+
+	// Ranking (from PocketBase)
+	mux.HandleFunc("GET /api/ranking", s.handleGetRanking)
+
+	// Cover proxy (live URL redirect)
+	mux.HandleFunc("GET /api/cover/{domain}/{slug}", s.handleGetCover)
+
+	// Book preview (enqueues scrape task if not in library; returns stored data if already scraped)
+	mux.HandleFunc("GET /api/book-preview/{slug}", s.handleBookPreview)
+
+	// Chapter text (served from MinIO via PocketBase index)
+	mux.HandleFunc("GET /api/chapter-text/{slug}/{n}", s.handleChapterText)
+	// Raw markdown chapter content — served directly from MinIO by the backend.
+	// Use this instead of presign+fetch to avoid SvelteKit→MinIO network path.
+	mux.HandleFunc("GET /api/chapter-markdown/{slug}/{n}", s.handleChapterMarkdown)
+
+	// Chapter text preview — live scrape from novelfire.net, no store writes.
+	// Used when the chapter is not yet in the library (preview mode).
+	mux.HandleFunc("GET /api/chapter-text-preview/{slug}/{n}", s.handleChapterTextPreview)
+
+	// Reindex chapters_idx from MinIO
+	mux.HandleFunc("POST /api/reindex/{slug}", s.handleReindex)
+
+	// Audio task creation (backend creates task; runner executes)
+	mux.HandleFunc("POST /api/audio/{slug}/{n}", s.handleAudioGenerate)
+	mux.HandleFunc("GET /api/audio/status/{slug}/{n}", s.handleAudioStatus)
+	mux.HandleFunc("GET /api/audio-proxy/{slug}/{n}", s.handleAudioProxy)
+
+	// Voices list
+	mux.HandleFunc("GET /api/voices", s.handleVoices)
+
+	// Presigned URLs
+	mux.HandleFunc("GET /api/presign/chapter/{slug}/{n}", s.handlePresignChapter)
+	mux.HandleFunc("GET /api/presign/audio/{slug}/{n}", s.handlePresignAudio)
+	mux.HandleFunc("GET /api/presign/voice-sample/{voice}", s.handlePresignVoiceSample)
+	mux.HandleFunc("GET /api/presign/avatar-upload/{userId}", s.handlePresignAvatarUpload)
+	mux.HandleFunc("GET /api/presign/avatar/{userId}", s.handlePresignAvatar)
+	mux.HandleFunc("PUT /api/avatar-upload/{userId}", s.handleAvatarUpload)
+
+	// Reading progress
+	mux.HandleFunc("GET /api/progress", s.handleGetProgress)
+	mux.HandleFunc("POST /api/progress/{slug}", s.handleSetProgress)
+	mux.HandleFunc("DELETE /api/progress/{slug}", s.handleDeleteProgress)
+
+	srv := &http.Server{
+		Addr:         s.cfg.Addr,
+		Handler:      sentryhttp.New(sentryhttp.Options{Repanic: true}).Handle(mux),
+		ReadTimeout:  15 * time.Second,
+		WriteTimeout: 60 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	errCh := make(chan error, 1)
+	go func() { errCh <- srv.ListenAndServe() }()
+	s.deps.Log.Info("backend: HTTP server listening", "addr", s.cfg.Addr)
+
+	select {
+	case <-ctx.Done():
+		s.deps.Log.Info("backend: context cancelled, starting graceful shutdown")
+		shutCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+		defer cancel()
+		if err := srv.Shutdown(shutCtx); err != nil {
+			s.deps.Log.Error("backend: graceful shutdown failed", "err", err)
+			return err
+		}
+		s.deps.Log.Info("backend: shutdown complete")
+		return nil
+	case err := <-errCh:
+		return err
+	}
+}
+
+// ── Session cookie helpers ─────────────────────────────────────────────────────
+
+const sessionCookieName = "libnovel_session"
+
+func sessionID(r *http.Request) string {
+	c, err := r.Cookie(sessionCookieName)
+	if err != nil {
+		return ""
+	}
+	return c.Value
+}
+
+func newSessionID() (string, error) {
+	b := make([]byte, 16)
+	if _, err := rand.Read(b); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(b), nil
+}
+
+func ensureSession(w http.ResponseWriter, r *http.Request) string {
+	if id := sessionID(r); id != "" {
+		return id
+	}
+	id, err := newSessionID()
+	if err != nil {
+		id = fmt.Sprintf("fallback-%d", time.Now().UnixNano())
+	}
+	http.SetCookie(w, &http.Cookie{
+		Name:     sessionCookieName,
+		Value:    id,
+		Path:     "/",
+		HttpOnly: true,
+		SameSite: http.SameSiteLaxMode,
+		MaxAge:   365 * 24 * 60 * 60,
+	})
+	return id
+}
+
+// ── Utility helpers ────────────────────────────────────────────────────────────
+
+// writeJSON writes v as a JSON response with status code. Status 0 → 200.
+func writeJSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	if status != 0 {
+		w.WriteHeader(status)
+	}
+	_ = json.NewEncoder(w).Encode(v)
+}
+
+// jsonError writes a JSON error body and the given status code.
+func jsonError(w http.ResponseWriter, status int, msg string) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(map[string]string{"error": msg})
+}
+
+// voices returns the list of available Kokoro voices. On the first call it
+// fetches from the Kokoro service and caches the result. Falls back to the
+// hardcoded list on error.
+func (s *Server) voices(ctx context.Context) []string {
+	s.voiceMu.RLock()
+	cached := s.cachedVoices
+	s.voiceMu.RUnlock()
+	if len(cached) > 0 {
+		return cached
+	}
+
+	if s.deps.Kokoro == nil {
+		return kokoroVoices
+	}
+
+	fetchCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+	list, err := s.deps.Kokoro.ListVoices(fetchCtx)
+	if err != nil || len(list) == 0 {
+		s.deps.Log.Warn("backend: could not fetch kokoro voices, using built-in list", "err", err)
+		return kokoroVoices
+	}
+
+	s.voiceMu.Lock()
+	s.cachedVoices = list
+	s.voiceMu.Unlock()
+	s.deps.Log.Info("backend: fetched kokoro voices", "count", len(list))
+	return list
+}
+
+// handleHealth handles GET /health.
+func (s *Server) handleHealth(w http.ResponseWriter, _ *http.Request) {
+	writeJSON(w, 0, map[string]string{
+		"status":  "ok",
+		"version": s.cfg.Version,
+		"commit":  s.cfg.Commit,
+	})
+}
+
+// handleVersion handles GET /api/version.
+func (s *Server) handleVersion(w http.ResponseWriter, _ *http.Request) {
+	writeJSON(w, 0, map[string]string{
+		"version": s.cfg.Version,
+		"commit":  s.cfg.Commit,
+	})
+}

backend/internal/bookstore/bookstore.go

@@ -0,0 +1,143 @@
+// Package bookstore defines the segregated read/write interfaces for book,
+// chapter, ranking, progress, audio, and presign data.
+//
+// Interface segregation:
+//   - BookWriter   — used by the runner to persist scraped data.
+//   - BookReader   — used by the backend to serve book/chapter data.
+//   - RankingStore — used by both runner (write) and backend (read).
+//   - PresignStore — used only by the backend for URL signing.
+//   - AudioStore   — used by the runner to store audio; backend for presign.
+//   - ProgressStore— used only by the backend for reading progress.
+//
+// Concrete implementations live in internal/storage.
+package bookstore
+
+import (
+	"context"
+	"time"
+
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// BookWriter is the write side used by the runner after scraping a book.
+type BookWriter interface {
+	// WriteMetadata upserts all bibliographic fields for a book.
+	WriteMetadata(ctx context.Context, meta domain.BookMeta) error
+
+	// WriteChapter stores a fully-scraped chapter's text in MinIO and
+	// updates the chapters_idx record in PocketBase.
+	WriteChapter(ctx context.Context, slug string, chapter domain.Chapter) error
+
+	// WriteChapterRefs persists chapter metadata (number + title) into
+	// chapters_idx without fetching or storing chapter text.
+	WriteChapterRefs(ctx context.Context, slug string, refs []domain.ChapterRef) error
+
+	// ChapterExists returns true if the markdown object for ref already exists.
+	ChapterExists(ctx context.Context, slug string, ref domain.ChapterRef) bool
+}
+
+// BookReader is the read side used by the backend to serve content.
+type BookReader interface {
+	// ReadMetadata returns the metadata for slug.
+	// Returns (zero, false, nil) when not found.
+	ReadMetadata(ctx context.Context, slug string) (domain.BookMeta, bool, error)
+
+	// ListBooks returns all books sorted alphabetically by title.
+	ListBooks(ctx context.Context) ([]domain.BookMeta, error)
+
+	// LocalSlugs returns the set of slugs that have metadata stored.
+	LocalSlugs(ctx context.Context) (map[string]bool, error)
+
+	// MetadataMtime returns the Unix-second mtime of the metadata record, or 0.
+	MetadataMtime(ctx context.Context, slug string) int64
+
+	// ReadChapter returns the raw markdown for chapter number n.
+	ReadChapter(ctx context.Context, slug string, n int) (string, error)
+
+	// ListChapters returns all stored chapters for slug, sorted by number.
+	ListChapters(ctx context.Context, slug string) ([]domain.ChapterInfo, error)
+
+	// CountChapters returns the count of stored chapters.
+	CountChapters(ctx context.Context, slug string) int
+
+	// ReindexChapters rebuilds chapters_idx from MinIO objects for slug.
+	ReindexChapters(ctx context.Context, slug string) (int, error)
+}
+
+// RankingStore covers ranking reads and writes.
+type RankingStore interface {
+	// WriteRankingItem upserts a single ranking entry (keyed on Slug).
+	WriteRankingItem(ctx context.Context, item domain.RankingItem) error
+
+	// ReadRankingItems returns all ranking items sorted by rank ascending.
+	ReadRankingItems(ctx context.Context) ([]domain.RankingItem, error)
+
+	// RankingFreshEnough returns true when ranking rows exist and the most
+	// recent Updated timestamp is within maxAge.
+	RankingFreshEnough(ctx context.Context, maxAge time.Duration) (bool, error)
+}
+
+// AudioStore covers audio object storage (runner writes; backend reads).
+type AudioStore interface {
+	// AudioObjectKey returns the MinIO object key for a cached audio file.
+	AudioObjectKey(slug string, n int, voice string) string
+
+	// AudioExists returns true when the audio object is present in MinIO.
+	AudioExists(ctx context.Context, key string) bool
+
+	// PutAudio stores raw audio bytes under the given MinIO object key.
+	PutAudio(ctx context.Context, key string, data []byte) error
+}
+
+// PresignStore generates short-lived URLs — used exclusively by the backend.
+type PresignStore interface {
+	// PresignChapter returns a presigned GET URL for a chapter markdown object.
+	PresignChapter(ctx context.Context, slug string, n int, expires time.Duration) (string, error)
+
+	// PresignAudio returns a presigned GET URL for an audio object.
+	PresignAudio(ctx context.Context, key string, expires time.Duration) (string, error)
+
+	// PresignAvatarUpload returns a short-lived presigned PUT URL for uploading
+	// an avatar image. ext should be "jpg", "png", or "webp".
+	PresignAvatarUpload(ctx context.Context, userID, ext string) (uploadURL, key string, err error)
+
+	// PresignAvatarURL returns a presigned GET URL for a user's avatar.
+	// Returns ("", false, nil) when no avatar exists.
+	PresignAvatarURL(ctx context.Context, userID string) (string, bool, error)
+
+	// PutAvatar stores raw image bytes for a user avatar directly in MinIO.
+	// ext should be "jpg", "png", or "webp". Returns the object key.
+	PutAvatar(ctx context.Context, userID, ext, contentType string, data []byte) (key string, err error)
+
+	// DeleteAvatar removes all avatar objects for a user.
+	DeleteAvatar(ctx context.Context, userID string) error
+}
+
+// ProgressStore covers per-session reading progress — backend only.
+type ProgressStore interface {
+	// GetProgress returns the reading progress for the given session + slug.
+	GetProgress(ctx context.Context, sessionID, slug string) (domain.ReadingProgress, bool)
+
+	// SetProgress saves or updates reading progress.
+	SetProgress(ctx context.Context, sessionID string, p domain.ReadingProgress) error
+
+	// AllProgress returns all progress entries for a session.
+	AllProgress(ctx context.Context, sessionID string) ([]domain.ReadingProgress, error)
+
+	// DeleteProgress removes progress for a specific slug.
+	DeleteProgress(ctx context.Context, sessionID, slug string) error
+}
+
+// CoverStore covers book cover image storage in MinIO.
+// The runner writes covers during catalogue refresh; the backend reads them.
+type CoverStore interface {
+	// PutCover stores a raw cover image for a book identified by slug.
+	PutCover(ctx context.Context, slug string, data []byte, contentType string) error
+
+	// GetCover retrieves the cover image for a book. Returns (nil, false, nil)
+	// when no cover exists for the given slug.
+	GetCover(ctx context.Context, slug string) ([]byte, string, bool, error)
+
+	// CoverExists returns true when a cover image is stored for slug.
+	CoverExists(ctx context.Context, slug string) bool
+}

backend/internal/bookstore/bookstore_test.go

@@ -0,0 +1,141 @@
+package bookstore_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/bookstore"
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// ── Mock that satisfies all bookstore interfaces ──────────────────────────────
+
+type mockStore struct{}
+
+// BookWriter
+func (m *mockStore) WriteMetadata(_ context.Context, _ domain.BookMeta) error         { return nil }
+func (m *mockStore) WriteChapter(_ context.Context, _ string, _ domain.Chapter) error { return nil }
+func (m *mockStore) WriteChapterRefs(_ context.Context, _ string, _ []domain.ChapterRef) error {
+	return nil
+}
+func (m *mockStore) ChapterExists(_ context.Context, _ string, _ domain.ChapterRef) bool {
+	return false
+}
+
+// BookReader
+func (m *mockStore) ReadMetadata(_ context.Context, _ string) (domain.BookMeta, bool, error) {
+	return domain.BookMeta{}, false, nil
+}
+func (m *mockStore) ListBooks(_ context.Context) ([]domain.BookMeta, error) { return nil, nil }
+func (m *mockStore) LocalSlugs(_ context.Context) (map[string]bool, error) {
+	return map[string]bool{}, nil
+}
+func (m *mockStore) MetadataMtime(_ context.Context, _ string) int64 { return 0 }
+func (m *mockStore) ReadChapter(_ context.Context, _ string, _ int) (string, error) {
+	return "", nil
+}
+func (m *mockStore) ListChapters(_ context.Context, _ string) ([]domain.ChapterInfo, error) {
+	return nil, nil
+}
+func (m *mockStore) CountChapters(_ context.Context, _ string) int            { return 0 }
+func (m *mockStore) ReindexChapters(_ context.Context, _ string) (int, error) { return 0, nil }
+
+// RankingStore
+func (m *mockStore) WriteRankingItem(_ context.Context, _ domain.RankingItem) error { return nil }
+func (m *mockStore) ReadRankingItems(_ context.Context) ([]domain.RankingItem, error) {
+	return nil, nil
+}
+func (m *mockStore) RankingFreshEnough(_ context.Context, _ time.Duration) (bool, error) {
+	return false, nil
+}
+
+// AudioStore
+func (m *mockStore) AudioObjectKey(_ string, _ int, _ string) string      { return "" }
+func (m *mockStore) AudioExists(_ context.Context, _ string) bool         { return false }
+func (m *mockStore) PutAudio(_ context.Context, _ string, _ []byte) error { return nil }
+
+// PresignStore
+func (m *mockStore) PresignChapter(_ context.Context, _ string, _ int, _ time.Duration) (string, error) {
+	return "", nil
+}
+func (m *mockStore) PresignAudio(_ context.Context, _ string, _ time.Duration) (string, error) {
+	return "", nil
+}
+func (m *mockStore) PresignAvatarUpload(_ context.Context, _, _ string) (string, string, error) {
+	return "", "", nil
+}
+func (m *mockStore) PresignAvatarURL(_ context.Context, _ string) (string, bool, error) {
+	return "", false, nil
+}
+func (m *mockStore) PutAvatar(_ context.Context, _, _, _ string, _ []byte) (string, error) {
+	return "", nil
+}
+func (m *mockStore) DeleteAvatar(_ context.Context, _ string) error { return nil }
+
+// ProgressStore
+func (m *mockStore) GetProgress(_ context.Context, _, _ string) (domain.ReadingProgress, bool) {
+	return domain.ReadingProgress{}, false
+}
+func (m *mockStore) SetProgress(_ context.Context, _ string, _ domain.ReadingProgress) error {
+	return nil
+}
+func (m *mockStore) AllProgress(_ context.Context, _ string) ([]domain.ReadingProgress, error) {
+	return nil, nil
+}
+func (m *mockStore) DeleteProgress(_ context.Context, _, _ string) error { return nil }
+
+// ── Compile-time interface satisfaction ───────────────────────────────────────
+
+var _ bookstore.BookWriter = (*mockStore)(nil)
+var _ bookstore.BookReader = (*mockStore)(nil)
+var _ bookstore.RankingStore = (*mockStore)(nil)
+var _ bookstore.AudioStore = (*mockStore)(nil)
+var _ bookstore.PresignStore = (*mockStore)(nil)
+var _ bookstore.ProgressStore = (*mockStore)(nil)
+
+// ── Behavioural tests ─────────────────────────────────────────────────────────
+
+func TestBookWriter_WriteMetadata_ReturnsNilError(t *testing.T) {
+	var w bookstore.BookWriter = &mockStore{}
+	if err := w.WriteMetadata(context.Background(), domain.BookMeta{Slug: "test"}); err != nil {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestBookReader_ReadMetadata_NotFound(t *testing.T) {
+	var r bookstore.BookReader = &mockStore{}
+	_, found, err := r.ReadMetadata(context.Background(), "unknown")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if found {
+		t.Error("expected not found")
+	}
+}
+
+func TestRankingStore_RankingFreshEnough_ReturnsFalse(t *testing.T) {
+	var s bookstore.RankingStore = &mockStore{}
+	fresh, err := s.RankingFreshEnough(context.Background(), time.Hour)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if fresh {
+		t.Error("expected false")
+	}
+}
+
+func TestAudioStore_AudioExists_ReturnsFalse(t *testing.T) {
+	var s bookstore.AudioStore = &mockStore{}
+	if s.AudioExists(context.Background(), "audio/slug/1/af_bella.mp3") {
+		t.Error("expected false")
+	}
+}
+
+func TestProgressStore_GetProgress_NotFound(t *testing.T) {
+	var s bookstore.ProgressStore = &mockStore{}
+	_, found := s.GetProgress(context.Background(), "session-1", "slug")
+	if found {
+		t.Error("expected not found")
+	}
+}

backend/internal/browser/browser.go

@@ -0,0 +1,191 @@
+// Package browser provides a rate-limited HTTP client for web scraping.
+package browser
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+)
+
+// ErrRateLimit is returned by GetContent when the server responds with 429.
+// It carries the suggested retry delay (from Retry-After header, or a default).
+var ErrRateLimit = errors.New("rate limited (429)")
+
+// RateLimitError wraps ErrRateLimit and carries the suggested wait duration.
+type RateLimitError struct {
+	// RetryAfter is how long the caller should wait before retrying.
+	// Derived from the Retry-After response header when present; otherwise a default.
+	RetryAfter time.Duration
+}
+
+func (e *RateLimitError) Error() string {
+	return fmt.Sprintf("rate limited (429): retry after %s", e.RetryAfter)
+}
+
+func (e *RateLimitError) Is(target error) bool { return target == ErrRateLimit }
+
+// defaultRateLimitDelay is used when the server returns 429 with no Retry-After header.
+const defaultRateLimitDelay = 60 * time.Second
+
+// Client is the interface used by scrapers to fetch raw page HTML.
+// Implementations must be safe for concurrent use.
+type Client interface {
+	// GetContent fetches the URL and returns the full response body as a string.
+	// It should respect the provided context for cancellation and timeouts.
+	GetContent(ctx context.Context, pageURL string) (string, error)
+}
+
+// Config holds tunable parameters for the direct HTTP client.
+type Config struct {
+	// MaxConcurrent limits the number of simultaneous in-flight requests.
+	// Defaults to 5 when 0.
+	MaxConcurrent int
+	// Timeout is the per-request deadline. Defaults to 90s when 0.
+	Timeout time.Duration
+}
+
+// DirectClient is a plain net/http-based Client with a concurrency semaphore.
+type DirectClient struct {
+	http      *http.Client
+	semaphore chan struct{}
+}
+
+// NewDirectClient returns a DirectClient configured by cfg.
+func NewDirectClient(cfg Config) *DirectClient {
+	if cfg.MaxConcurrent <= 0 {
+		cfg.MaxConcurrent = 5
+	}
+	if cfg.Timeout <= 0 {
+		cfg.Timeout = 90 * time.Second
+	}
+
+	transport := &http.Transport{
+		MaxIdleConnsPerHost: cfg.MaxConcurrent * 2,
+		DisableCompression:  false,
+	}
+
+	return &DirectClient{
+		http: &http.Client{
+			Transport: transport,
+			Timeout:   cfg.Timeout,
+		},
+		semaphore: make(chan struct{}, cfg.MaxConcurrent),
+	}
+}
+
+// GetContent fetches pageURL respecting the concurrency limit.
+func (c *DirectClient) GetContent(ctx context.Context, pageURL string) (string, error) {
+	// Acquire semaphore slot.
+	select {
+	case c.semaphore <- struct{}{}:
+	case <-ctx.Done():
+		return "", ctx.Err()
+	}
+	defer func() { <-c.semaphore }()
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, pageURL, nil)
+	if err != nil {
+		return "", fmt.Errorf("browser: build request %s: %w", pageURL, err)
+	}
+	req.Header.Set("User-Agent", "Mozilla/5.0 (compatible; libnovel-runner/2)")
+	req.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
+	req.Header.Set("Accept-Language", "en-US,en;q=0.5")
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("browser: GET %s: %w", pageURL, err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusTooManyRequests {
+		delay := defaultRateLimitDelay
+		if ra := resp.Header.Get("Retry-After"); ra != "" {
+			if secs, err := strconv.Atoi(ra); err == nil && secs > 0 {
+				delay = time.Duration(secs) * time.Second
+			}
+		}
+		return "", &RateLimitError{RetryAfter: delay}
+	}
+
+	if resp.StatusCode >= 400 {
+		return "", fmt.Errorf("browser: GET %s returned %d", pageURL, resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", fmt.Errorf("browser: read body %s: %w", pageURL, err)
+	}
+	return string(body), nil
+}
+
+// Do implements httputil.Client so DirectClient can be passed to RetryGet.
+func (c *DirectClient) Do(req *http.Request) (*http.Response, error) {
+	select {
+	case c.semaphore <- struct{}{}:
+	case <-req.Context().Done():
+		return nil, req.Context().Err()
+	}
+	defer func() { <-c.semaphore }()
+	return c.http.Do(req)
+}
+
+// ── Stub for testing ──────────────────────────────────────────────────────────
+
+// StubClient is a test double for Client. It returns pre-configured responses
+// keyed on URL. Calls to unknown URLs return an error.
+type StubClient struct {
+	mu      sync.Mutex
+	pages   map[string]string
+	errors  map[string]error
+	callLog []string
+}
+
+// NewStub creates a StubClient with no pages pre-loaded.
+func NewStub() *StubClient {
+	return &StubClient{
+		pages:  make(map[string]string),
+		errors: make(map[string]error),
+	}
+}
+
+// SetPage registers a URL → HTML body mapping.
+func (s *StubClient) SetPage(u, html string) {
+	s.mu.Lock()
+	s.pages[u] = html
+	s.mu.Unlock()
+}
+
+// SetError registers a URL → error mapping (returned instead of a body).
+func (s *StubClient) SetError(u string, err error) {
+	s.mu.Lock()
+	s.errors[u] = err
+	s.mu.Unlock()
+}
+
+// CallLog returns the ordered list of URLs that were requested.
+func (s *StubClient) CallLog() []string {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	out := make([]string, len(s.callLog))
+	copy(out, s.callLog)
+	return out
+}
+
+// GetContent returns the registered page or an error for the URL.
+func (s *StubClient) GetContent(_ context.Context, pageURL string) (string, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	s.callLog = append(s.callLog, pageURL)
+	if err, ok := s.errors[pageURL]; ok {
+		return "", err
+	}
+	if html, ok := s.pages[pageURL]; ok {
+		return html, nil
+	}
+	return "", fmt.Errorf("stub: no page registered for %q", pageURL)
+}

backend/internal/browser/browser_test.go

@@ -0,0 +1,141 @@
+package browser_test
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"sync"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/browser"
+)
+
+func TestDirectClient_GetContent_Success(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("<html>hello</html>"))
+	}))
+	defer srv.Close()
+
+	c := browser.NewDirectClient(browser.Config{MaxConcurrent: 2, Timeout: 5 * time.Second})
+	body, err := c.GetContent(context.Background(), srv.URL)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if body != "<html>hello</html>" {
+		t.Errorf("want <html>hello</html>, got %q", body)
+	}
+}
+
+func TestDirectClient_GetContent_4xxReturnsError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+	}))
+	defer srv.Close()
+
+	c := browser.NewDirectClient(browser.Config{})
+	_, err := c.GetContent(context.Background(), srv.URL)
+	if err == nil {
+		t.Fatal("expected error for 404")
+	}
+}
+
+func TestDirectClient_SemaphoreBlocksConcurrency(t *testing.T) {
+	const maxConcurrent = 2
+	var inflight atomic.Int32
+	var peak atomic.Int32
+
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		n := inflight.Add(1)
+		if int(n) > int(peak.Load()) {
+			peak.Store(n)
+		}
+		time.Sleep(20 * time.Millisecond)
+		inflight.Add(-1)
+		w.Write([]byte("ok"))
+	}))
+	defer srv.Close()
+
+	c := browser.NewDirectClient(browser.Config{MaxConcurrent: maxConcurrent, Timeout: 5 * time.Second})
+
+	var wg sync.WaitGroup
+	for i := 0; i < 8; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			c.GetContent(context.Background(), srv.URL)
+		}()
+	}
+	wg.Wait()
+
+	if int(peak.Load()) > maxConcurrent {
+		t.Errorf("concurrent requests exceeded limit: peak=%d, limit=%d", peak.Load(), maxConcurrent)
+	}
+}
+
+func TestDirectClient_ContextCancel(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		time.Sleep(200 * time.Millisecond)
+		w.Write([]byte("ok"))
+	}))
+	defer srv.Close()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel before making the request
+
+	c := browser.NewDirectClient(browser.Config{})
+	_, err := c.GetContent(ctx, srv.URL)
+	if err == nil {
+		t.Fatal("expected context cancellation error")
+	}
+}
+
+// ── StubClient ────────────────────────────────────────────────────────────────
+
+func TestStubClient_ReturnsRegisteredPage(t *testing.T) {
+	stub := browser.NewStub()
+	stub.SetPage("http://example.com/page1", "<html>page1</html>")
+
+	body, err := stub.GetContent(context.Background(), "http://example.com/page1")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if body != "<html>page1</html>" {
+		t.Errorf("want page1 html, got %q", body)
+	}
+}
+
+func TestStubClient_ReturnsRegisteredError(t *testing.T) {
+	stub := browser.NewStub()
+	want := errors.New("network failure")
+	stub.SetError("http://example.com/bad", want)
+
+	_, err := stub.GetContent(context.Background(), "http://example.com/bad")
+	if err == nil {
+		t.Fatal("expected error")
+	}
+}
+
+func TestStubClient_UnknownURLReturnsError(t *testing.T) {
+	stub := browser.NewStub()
+	_, err := stub.GetContent(context.Background(), "http://unknown.example.com/")
+	if err == nil {
+		t.Fatal("expected error for unknown URL")
+	}
+}
+
+func TestStubClient_CallLog(t *testing.T) {
+	stub := browser.NewStub()
+	stub.SetPage("http://example.com/a", "a")
+	stub.SetPage("http://example.com/b", "b")
+
+	stub.GetContent(context.Background(), "http://example.com/a")
+	stub.GetContent(context.Background(), "http://example.com/b")
+
+	log := stub.CallLog()
+	if len(log) != 2 || log[0] != "http://example.com/a" || log[1] != "http://example.com/b" {
+		t.Errorf("unexpected call log: %v", log)
+	}
+}

backend/internal/config/config.go

@@ -0,0 +1,225 @@
+// Package config loads all service configuration from environment variables.
+// Both the runner and backend binaries call config.Load() at startup; each
+// uses only the sub-struct relevant to it.
+//
+// Every field has a documented default so the service starts sensibly without
+// any environment configuration (useful for local development).
+package config
+
+import (
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// PocketBase holds connection settings for the remote PocketBase instance.
+type PocketBase struct {
+	// URL is the base URL of the PocketBase instance, e.g. https://pb.libnovel.cc
+	URL string
+	// AdminEmail is the admin account email used for API authentication.
+	AdminEmail string
+	// AdminPassword is the admin account password.
+	AdminPassword string
+}
+
+// MinIO holds connection settings for the remote MinIO / S3-compatible store.
+type MinIO struct {
+	// Endpoint is the host:port of the MinIO S3 API, e.g. storage.libnovel.cc:443
+	Endpoint string
+	// PublicEndpoint is the browser-visible endpoint used for presigned URLs.
+	// Falls back to Endpoint when empty.
+	PublicEndpoint string
+	// AccessKey is the MinIO access key.
+	AccessKey string
+	// SecretKey is the MinIO secret key.
+	SecretKey string
+	// UseSSL enables TLS for the internal MinIO connection.
+	UseSSL bool
+	// PublicUseSSL enables TLS for presigned URL generation.
+	PublicUseSSL bool
+	// BucketChapters is the bucket that holds chapter markdown objects.
+	BucketChapters string
+	// BucketAudio is the bucket that holds generated audio MP3 objects.
+	BucketAudio string
+	// BucketAvatars is the bucket that holds user avatar images.
+	BucketAvatars string
+	// BucketBrowse is the bucket that holds cached browse page snapshots (JSON).
+	BucketBrowse string
+}
+
+// Kokoro holds connection settings for the Kokoro-FastAPI TTS service.
+type Kokoro struct {
+	// URL is the base URL of the Kokoro service, e.g. https://kokoro.libnovel.cc
+	// An empty string disables TTS generation.
+	URL string
+	// DefaultVoice is the voice used when none is specified.
+	DefaultVoice string
+}
+
+// HTTP holds settings for the HTTP server (backend only).
+type HTTP struct {
+	// Addr is the listen address, e.g. ":8080"
+	Addr string
+}
+
+// Meilisearch holds connection settings for the Meilisearch full-text search service.
+type Meilisearch struct {
+	// URL is the base URL of the Meilisearch instance, e.g. http://localhost:7700
+	// An empty string disables Meilisearch indexing and search.
+	URL string
+	// APIKey is the Meilisearch master/search API key.
+	APIKey string
+}
+
+// Valkey holds connection settings for the Valkey/Redis presign URL cache.
+type Valkey struct {
+	// Addr is the host:port of the Valkey instance, e.g. localhost:6379
+	// An empty string disables the Valkey cache (falls through to MinIO directly).
+	Addr string
+}
+
+// Runner holds settings specific to the runner/worker binary.
+type Runner struct {
+	// PollInterval is how often the runner checks PocketBase for pending tasks.
+	PollInterval time.Duration
+	// MaxConcurrentScrape limits simultaneous book-scrape goroutines.
+	MaxConcurrentScrape int
+	// MaxConcurrentAudio limits simultaneous audio-generation goroutines.
+	MaxConcurrentAudio int
+	// WorkerID is a unique identifier for this runner instance.
+	// Defaults to the system hostname.
+	WorkerID string
+	// Workers is the number of chapter-scraping goroutines per book.
+	Workers int
+	// Timeout is the per-request HTTP timeout for scraping.
+	Timeout time.Duration
+	// MetricsAddr is the listen address for the runner /metrics HTTP endpoint.
+	// Defaults to ":9091". Set to "" to disable.
+	MetricsAddr string
+	// CatalogueRefreshInterval is how often the runner walks the full catalogue,
+	// scrapes per-book metadata, downloads covers, and re-indexes in Meilisearch.
+	// Defaults to 24h. Set to 0 to use the default.
+	CatalogueRefreshInterval time.Duration
+	// SkipInitialCatalogueRefresh prevents the runner from running a full
+	// catalogue walk on startup. Useful for quick restarts where the catalogue
+	// is already indexed and a 24h walk would be wasteful.
+	// Controlled by RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH=true.
+	SkipInitialCatalogueRefresh bool
+}
+
+// Config is the top-level configuration struct consumed by both binaries.
+type Config struct {
+	PocketBase  PocketBase
+	MinIO       MinIO
+	Kokoro      Kokoro
+	HTTP        HTTP
+	Runner      Runner
+	Meilisearch Meilisearch
+	Valkey      Valkey
+	// LogLevel is one of "debug", "info", "warn", "error".
+	LogLevel string
+}
+
+// Load reads all configuration from environment variables and returns a
+// populated Config. Missing variables fall back to documented defaults.
+func Load() Config {
+	workerID, _ := os.Hostname()
+	if workerID == "" {
+		workerID = "runner-default"
+	}
+
+	return Config{
+		LogLevel: envOr("LOG_LEVEL", "info"),
+
+		PocketBase: PocketBase{
+			URL:           envOr("POCKETBASE_URL", "http://localhost:8090"),
+			AdminEmail:    envOr("POCKETBASE_ADMIN_EMAIL", "admin@libnovel.local"),
+			AdminPassword: envOr("POCKETBASE_ADMIN_PASSWORD", "changeme123"),
+		},
+
+		MinIO: MinIO{
+			Endpoint:       envOr("MINIO_ENDPOINT", "localhost:9000"),
+			PublicEndpoint: envOr("MINIO_PUBLIC_ENDPOINT", ""),
+			AccessKey:      envOr("MINIO_ACCESS_KEY", "admin"),
+			SecretKey:      envOr("MINIO_SECRET_KEY", "changeme123"),
+			UseSSL:         envBool("MINIO_USE_SSL", false),
+			PublicUseSSL:   envBool("MINIO_PUBLIC_USE_SSL", true),
+			BucketChapters: envOr("MINIO_BUCKET_CHAPTERS", "chapters"),
+			BucketAudio:    envOr("MINIO_BUCKET_AUDIO", "audio"),
+			BucketAvatars:  envOr("MINIO_BUCKET_AVATARS", "avatars"),
+			BucketBrowse:   envOr("MINIO_BUCKET_BROWSE", "catalogue"),
+		},
+
+		Kokoro: Kokoro{
+			URL:          envOr("KOKORO_URL", ""),
+			DefaultVoice: envOr("KOKORO_VOICE", "af_bella"),
+		},
+
+		HTTP: HTTP{
+			Addr: envOr("BACKEND_HTTP_ADDR", ":8080"),
+		},
+
+		Runner: Runner{
+			PollInterval:                envDuration("RUNNER_POLL_INTERVAL", 30*time.Second),
+			MaxConcurrentScrape:         envInt("RUNNER_MAX_CONCURRENT_SCRAPE", 1),
+			MaxConcurrentAudio:          envInt("RUNNER_MAX_CONCURRENT_AUDIO", 1),
+			WorkerID:                    envOr("RUNNER_WORKER_ID", workerID),
+			Workers:                     envInt("RUNNER_WORKERS", 0), // 0 → runtime.NumCPU()
+			Timeout:                     envDuration("RUNNER_TIMEOUT", 90*time.Second),
+			MetricsAddr:                 envOr("RUNNER_METRICS_ADDR", ":9091"),
+			CatalogueRefreshInterval:    envDuration("RUNNER_CATALOGUE_REFRESH_INTERVAL", 0),
+			SkipInitialCatalogueRefresh: envBool("RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH", false),
+		},
+
+		Meilisearch: Meilisearch{
+			URL:    envOr("MEILI_URL", ""),
+			APIKey: envOr("MEILI_API_KEY", ""),
+		},
+
+		Valkey: Valkey{
+			Addr: envOr("VALKEY_ADDR", ""),
+		},
+	}
+}
+
+// ── helpers ───────────────────────────────────────────────────────────────────
+
+func envOr(key, fallback string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return fallback
+}
+
+func envBool(key string, fallback bool) bool {
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
+	}
+	return strings.ToLower(v) == "true"
+}
+
+func envInt(key string, fallback int) int {
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
+	}
+	n, err := strconv.Atoi(v)
+	if err != nil || n < 0 {
+		return fallback
+	}
+	return n
+}
+
+func envDuration(key string, fallback time.Duration) time.Duration {
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
+	}
+	d, err := time.ParseDuration(v)
+	if err != nil {
+		return fallback
+	}
+	return d
+}

backend/internal/config/config_test.go

@@ -0,0 +1,127 @@
+package config_test
+
+import (
+	"os"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/config"
+)
+
+func TestLoad_Defaults(t *testing.T) {
+	// Unset all relevant vars so we test pure defaults.
+	unset := []string{
+		"LOG_LEVEL",
+		"POCKETBASE_URL", "POCKETBASE_ADMIN_EMAIL", "POCKETBASE_ADMIN_PASSWORD",
+		"MINIO_ENDPOINT", "MINIO_PUBLIC_ENDPOINT", "MINIO_ACCESS_KEY", "MINIO_SECRET_KEY",
+		"MINIO_USE_SSL", "MINIO_PUBLIC_USE_SSL",
+		"MINIO_BUCKET_CHAPTERS", "MINIO_BUCKET_AUDIO", "MINIO_BUCKET_AVATARS",
+		"KOKORO_URL", "KOKORO_VOICE",
+		"BACKEND_HTTP_ADDR",
+		"RUNNER_POLL_INTERVAL", "RUNNER_MAX_CONCURRENT_SCRAPE", "RUNNER_MAX_CONCURRENT_AUDIO",
+		"RUNNER_WORKER_ID", "RUNNER_WORKERS", "RUNNER_TIMEOUT",
+	}
+	for _, k := range unset {
+		t.Setenv(k, "")
+	}
+
+	cfg := config.Load()
+
+	if cfg.LogLevel != "info" {
+		t.Errorf("LogLevel: want info, got %q", cfg.LogLevel)
+	}
+	if cfg.PocketBase.URL != "http://localhost:8090" {
+		t.Errorf("PocketBase.URL: want http://localhost:8090, got %q", cfg.PocketBase.URL)
+	}
+	if cfg.MinIO.BucketChapters != "chapters" {
+		t.Errorf("MinIO.BucketChapters: want chapters, got %q", cfg.MinIO.BucketChapters)
+	}
+	if cfg.MinIO.UseSSL != false {
+		t.Errorf("MinIO.UseSSL: want false, got %v", cfg.MinIO.UseSSL)
+	}
+	if cfg.MinIO.PublicUseSSL != true {
+		t.Errorf("MinIO.PublicUseSSL: want true, got %v", cfg.MinIO.PublicUseSSL)
+	}
+	if cfg.Kokoro.DefaultVoice != "af_bella" {
+		t.Errorf("Kokoro.DefaultVoice: want af_bella, got %q", cfg.Kokoro.DefaultVoice)
+	}
+	if cfg.HTTP.Addr != ":8080" {
+		t.Errorf("HTTP.Addr: want :8080, got %q", cfg.HTTP.Addr)
+	}
+	if cfg.Runner.PollInterval != 30*time.Second {
+		t.Errorf("Runner.PollInterval: want 30s, got %v", cfg.Runner.PollInterval)
+	}
+	if cfg.Runner.MaxConcurrentScrape != 1 {
+		t.Errorf("Runner.MaxConcurrentScrape: want 1, got %d", cfg.Runner.MaxConcurrentScrape)
+	}
+	if cfg.Runner.MaxConcurrentAudio != 1 {
+		t.Errorf("Runner.MaxConcurrentAudio: want 1, got %d", cfg.Runner.MaxConcurrentAudio)
+	}
+}
+
+func TestLoad_EnvOverride(t *testing.T) {
+	t.Setenv("LOG_LEVEL", "debug")
+	t.Setenv("POCKETBASE_URL", "https://pb.libnovel.cc")
+	t.Setenv("MINIO_USE_SSL", "true")
+	t.Setenv("MINIO_PUBLIC_USE_SSL", "false")
+	t.Setenv("RUNNER_POLL_INTERVAL", "1m")
+	t.Setenv("RUNNER_MAX_CONCURRENT_SCRAPE", "5")
+	t.Setenv("RUNNER_WORKER_ID", "homelab-01")
+	t.Setenv("BACKEND_HTTP_ADDR", ":9090")
+	t.Setenv("KOKORO_URL", "https://kokoro.libnovel.cc")
+
+	cfg := config.Load()
+
+	if cfg.LogLevel != "debug" {
+		t.Errorf("LogLevel: want debug, got %q", cfg.LogLevel)
+	}
+	if cfg.PocketBase.URL != "https://pb.libnovel.cc" {
+		t.Errorf("PocketBase.URL: want https://pb.libnovel.cc, got %q", cfg.PocketBase.URL)
+	}
+	if !cfg.MinIO.UseSSL {
+		t.Error("MinIO.UseSSL: want true")
+	}
+	if cfg.MinIO.PublicUseSSL {
+		t.Error("MinIO.PublicUseSSL: want false")
+	}
+	if cfg.Runner.PollInterval != time.Minute {
+		t.Errorf("Runner.PollInterval: want 1m, got %v", cfg.Runner.PollInterval)
+	}
+	if cfg.Runner.MaxConcurrentScrape != 5 {
+		t.Errorf("Runner.MaxConcurrentScrape: want 5, got %d", cfg.Runner.MaxConcurrentScrape)
+	}
+	if cfg.Runner.WorkerID != "homelab-01" {
+		t.Errorf("Runner.WorkerID: want homelab-01, got %q", cfg.Runner.WorkerID)
+	}
+	if cfg.HTTP.Addr != ":9090" {
+		t.Errorf("HTTP.Addr: want :9090, got %q", cfg.HTTP.Addr)
+	}
+	if cfg.Kokoro.URL != "https://kokoro.libnovel.cc" {
+		t.Errorf("Kokoro.URL: want https://kokoro.libnovel.cc, got %q", cfg.Kokoro.URL)
+	}
+}
+
+func TestLoad_InvalidInt_FallsToDefault(t *testing.T) {
+	t.Setenv("RUNNER_MAX_CONCURRENT_SCRAPE", "notanumber")
+	cfg := config.Load()
+	if cfg.Runner.MaxConcurrentScrape != 1 {
+		t.Errorf("want default 1, got %d", cfg.Runner.MaxConcurrentScrape)
+	}
+}
+
+func TestLoad_InvalidDuration_FallsToDefault(t *testing.T) {
+	t.Setenv("RUNNER_POLL_INTERVAL", "notaduration")
+	cfg := config.Load()
+	if cfg.Runner.PollInterval != 30*time.Second {
+		t.Errorf("want default 30s, got %v", cfg.Runner.PollInterval)
+	}
+}
+
+func TestLoad_WorkerID_FallsToHostname(t *testing.T) {
+	t.Setenv("RUNNER_WORKER_ID", "")
+	cfg := config.Load()
+	host, _ := os.Hostname()
+	if host != "" && cfg.Runner.WorkerID != host {
+		t.Errorf("want hostname %q, got %q", host, cfg.Runner.WorkerID)
+	}
+}

backend/internal/domain/domain.go

@@ -0,0 +1,137 @@
+// Package domain contains the core value types shared across all packages
+// in this module. It has zero internal imports — only the standard library.
+// Every other package imports domain; domain imports nothing from this module.
+package domain
+
+import "time"
+
+// ── Book types ────────────────────────────────────────────────────────────────
+
+// BookMeta carries all bibliographic information about a novel.
+type BookMeta struct {
+	Slug          string   `json:"slug"`
+	Title         string   `json:"title"`
+	Author        string   `json:"author"`
+	Cover         string   `json:"cover,omitempty"`
+	Status        string   `json:"status,omitempty"`
+	Genres        []string `json:"genres,omitempty"`
+	Summary       string   `json:"summary,omitempty"`
+	TotalChapters int      `json:"total_chapters,omitempty"`
+	SourceURL     string   `json:"source_url"`
+	Ranking       int      `json:"ranking,omitempty"`
+	Rating        float64  `json:"rating,omitempty"`
+	// MetaUpdated is the Unix timestamp (seconds) when the book record was last
+	// updated in PocketBase. Populated on read; not sent on write (PocketBase
+	// manages its own updated field).
+	MetaUpdated int64 `json:"meta_updated,omitempty"`
+}
+
+// CatalogueEntry is a lightweight book reference returned by catalogue pages.
+type CatalogueEntry struct {
+	Slug  string `json:"slug"`
+	Title string `json:"title"`
+	URL   string `json:"url"`
+}
+
+// ChapterRef is a reference to a single chapter returned by chapter-list pages.
+type ChapterRef struct {
+	Number int    `json:"number"`
+	Title  string `json:"title"`
+	URL    string `json:"url"`
+	Volume int    `json:"volume,omitempty"`
+}
+
+// Chapter contains the fully-extracted text of a single chapter.
+type Chapter struct {
+	Ref  ChapterRef `json:"ref"`
+	Text string     `json:"text"`
+}
+
+// RankingItem represents a single entry in the novel ranking list.
+type RankingItem struct {
+	Rank      int       `json:"rank"`
+	Slug      string    `json:"slug"`
+	Title     string    `json:"title"`
+	Author    string    `json:"author,omitempty"`
+	Cover     string    `json:"cover,omitempty"`
+	Status    string    `json:"status,omitempty"`
+	Genres    []string  `json:"genres,omitempty"`
+	SourceURL string    `json:"source_url,omitempty"`
+	Updated   time.Time `json:"updated,omitempty"`
+}
+
+// ── Storage record types ──────────────────────────────────────────────────────
+
+// ChapterInfo is a lightweight chapter descriptor stored in the index.
+type ChapterInfo struct {
+	Number int    `json:"number"`
+	Title  string `json:"title"`
+	Date   string `json:"date,omitempty"`
+}
+
+// ReadingProgress holds a single user's reading position for one book.
+type ReadingProgress struct {
+	Slug      string    `json:"slug"`
+	Chapter   int       `json:"chapter"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+// ── Task record types ─────────────────────────────────────────────────────────
+
+// TaskStatus enumerates the lifecycle states of any task.
+type TaskStatus string
+
+const (
+	TaskStatusPending   TaskStatus = "pending"
+	TaskStatusRunning   TaskStatus = "running"
+	TaskStatusDone      TaskStatus = "done"
+	TaskStatusFailed    TaskStatus = "failed"
+	TaskStatusCancelled TaskStatus = "cancelled"
+)
+
+// ScrapeTask represents a book-scraping job stored in PocketBase.
+type ScrapeTask struct {
+	ID              string     `json:"id"`
+	Kind            string     `json:"kind"`       // "catalogue" | "book" | "book_range"
+	TargetURL       string     `json:"target_url"` // non-empty for single-book tasks
+	FromChapter     int        `json:"from_chapter,omitempty"`
+	ToChapter       int        `json:"to_chapter,omitempty"`
+	WorkerID        string     `json:"worker_id,omitempty"`
+	Status          TaskStatus `json:"status"`
+	BooksFound      int        `json:"books_found"`
+	ChaptersScraped int        `json:"chapters_scraped"`
+	ChaptersSkipped int        `json:"chapters_skipped"`
+	Errors          int        `json:"errors"`
+	Started         time.Time  `json:"started"`
+	Finished        time.Time  `json:"finished,omitempty"`
+	ErrorMessage    string     `json:"error_message,omitempty"`
+}
+
+// ScrapeResult is the outcome reported by the runner after finishing a ScrapeTask.
+type ScrapeResult struct {
+	BooksFound      int    `json:"books_found"`
+	ChaptersScraped int    `json:"chapters_scraped"`
+	ChaptersSkipped int    `json:"chapters_skipped"`
+	Errors          int    `json:"errors"`
+	ErrorMessage    string `json:"error_message,omitempty"`
+}
+
+// AudioTask represents an audio-generation job stored in PocketBase.
+type AudioTask struct {
+	ID           string     `json:"id"`
+	CacheKey     string     `json:"cache_key"` // "slug/chapter/voice"
+	Slug         string     `json:"slug"`
+	Chapter      int        `json:"chapter"`
+	Voice        string     `json:"voice"`
+	WorkerID     string     `json:"worker_id,omitempty"`
+	Status       TaskStatus `json:"status"`
+	ErrorMessage string     `json:"error_message,omitempty"`
+	Started      time.Time  `json:"started"`
+	Finished     time.Time  `json:"finished,omitempty"`
+}
+
+// AudioResult is the outcome reported by the runner after finishing an AudioTask.
+type AudioResult struct {
+	ObjectKey    string `json:"object_key,omitempty"`
+	ErrorMessage string `json:"error_message,omitempty"`
+}

backend/internal/domain/domain_test.go

@@ -0,0 +1,104 @@
+package domain_test
+
+import (
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/domain"
+)
+
+func TestBookMeta_JSONRoundtrip(t *testing.T) {
+	orig := domain.BookMeta{
+		Slug:          "a-great-novel",
+		Title:         "A Great Novel",
+		Author:        "Jane Doe",
+		Cover:         "https://example.com/cover.jpg",
+		Status:        "Ongoing",
+		Genres:        []string{"Fantasy", "Action"},
+		Summary:       "A thrilling tale.",
+		TotalChapters: 120,
+		SourceURL:     "https://novelfire.net/book/a-great-novel",
+		Ranking:       3,
+	}
+
+	b, err := json.Marshal(orig)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	var got domain.BookMeta
+	if err := json.Unmarshal(b, &got); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if got.Slug != orig.Slug {
+		t.Errorf("Slug: want %q, got %q", orig.Slug, got.Slug)
+	}
+	if got.TotalChapters != orig.TotalChapters {
+		t.Errorf("TotalChapters: want %d, got %d", orig.TotalChapters, got.TotalChapters)
+	}
+	if len(got.Genres) != len(orig.Genres) {
+		t.Errorf("Genres len: want %d, got %d", len(orig.Genres), len(got.Genres))
+	}
+}
+
+func TestChapterRef_JSONRoundtrip(t *testing.T) {
+	orig := domain.ChapterRef{Number: 42, Title: "The Battle", URL: "https://example.com/ch-42", Volume: 2}
+	b, _ := json.Marshal(orig)
+	var got domain.ChapterRef
+	json.Unmarshal(b, &got)
+	if got != orig {
+		t.Errorf("want %+v, got %+v", orig, got)
+	}
+}
+
+func TestRankingItem_JSONRoundtrip(t *testing.T) {
+	now := time.Now().Truncate(time.Second)
+	orig := domain.RankingItem{
+		Rank:      1,
+		Slug:      "top-novel",
+		Title:     "Top Novel",
+		SourceURL: "https://novelfire.net/book/top-novel",
+		Updated:   now,
+	}
+	b, _ := json.Marshal(orig)
+	var got domain.RankingItem
+	json.Unmarshal(b, &got)
+	if got.Rank != orig.Rank || got.Slug != orig.Slug {
+		t.Errorf("want %+v, got %+v", orig, got)
+	}
+}
+
+func TestScrapeResult_JSONRoundtrip(t *testing.T) {
+	orig := domain.ScrapeResult{BooksFound: 10, ChaptersScraped: 200, ChaptersSkipped: 5, Errors: 1, ErrorMessage: "one error"}
+	b, _ := json.Marshal(orig)
+	var got domain.ScrapeResult
+	json.Unmarshal(b, &got)
+	if got != orig {
+		t.Errorf("want %+v, got %+v", orig, got)
+	}
+}
+
+func TestAudioResult_JSONRoundtrip(t *testing.T) {
+	orig := domain.AudioResult{ObjectKey: "audio/slug/1/af_bella.mp3"}
+	b, _ := json.Marshal(orig)
+	var got domain.AudioResult
+	json.Unmarshal(b, &got)
+	if got != orig {
+		t.Errorf("want %+v, got %+v", orig, got)
+	}
+}
+
+func TestTaskStatus_Values(t *testing.T) {
+	cases := []domain.TaskStatus{
+		domain.TaskStatusPending,
+		domain.TaskStatusRunning,
+		domain.TaskStatusDone,
+		domain.TaskStatusFailed,
+		domain.TaskStatusCancelled,
+	}
+	for _, s := range cases {
+		if s == "" {
+			t.Errorf("TaskStatus constant must not be empty")
+		}
+	}
+}

backend/internal/httputil/httputil.go

@@ -0,0 +1,124 @@
+// Package httputil provides shared HTTP helpers used by both the runner and
+// backend binaries. It has no imports from this module — only the standard
+// library — so it is safe to import from anywhere in the dependency graph.
+package httputil
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+// Client is the minimal interface for making HTTP GET requests.
+// *http.Client satisfies this interface.
+type Client interface {
+	Do(req *http.Request) (*http.Response, error)
+}
+
+// ErrMaxRetries is returned when RetryGet exhausts all attempts.
+var ErrMaxRetries = errors.New("httputil: max retries exceeded")
+
+// errClientError is returned by doGet for 4xx responses; it signals that the
+// request should NOT be retried (the client is at fault).
+var errClientError = errors.New("httputil: client error")
+
+// RetryGet fetches url using client, retrying on network errors or 5xx
+// responses with exponential backoff. It returns the full response body as a
+// string on success.
+//
+//   - maxAttempts: total number of attempts (must be >= 1)
+//   - baseDelay:   initial wait before the second attempt; doubles each retry
+func RetryGet(ctx context.Context, client Client, url string, maxAttempts int, baseDelay time.Duration) (string, error) {
+	if maxAttempts < 1 {
+		maxAttempts = 1
+	}
+	delay := baseDelay
+
+	var lastErr error
+	for attempt := 0; attempt < maxAttempts; attempt++ {
+		if attempt > 0 {
+			select {
+			case <-ctx.Done():
+				return "", ctx.Err()
+			case <-time.After(delay):
+			}
+			delay *= 2
+		}
+
+		body, err := doGet(ctx, client, url)
+		if err == nil {
+			return body, nil
+		}
+		lastErr = err
+
+		// Do not retry on context cancellation.
+		if ctx.Err() != nil {
+			return "", ctx.Err()
+		}
+		// Do not retry on 4xx — the client is at fault.
+		if errors.Is(err, errClientError) {
+			return "", err
+		}
+	}
+
+	return "", fmt.Errorf("%w after %d attempts: %w", ErrMaxRetries, maxAttempts, lastErr)
+}
+
+func doGet(ctx context.Context, client Client, url string) (string, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
+	if err != nil {
+		return "", fmt.Errorf("build request: %w", err)
+	}
+	req.Header.Set("User-Agent", "Mozilla/5.0 (compatible; libnovel-runner/2)")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("GET %s: %w", url, err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 500 {
+		return "", fmt.Errorf("GET %s: server error %d", url, resp.StatusCode)
+	}
+	if resp.StatusCode >= 400 {
+		return "", fmt.Errorf("%w: GET %s: client error %d", errClientError, url, resp.StatusCode)
+	}
+
+	raw, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", fmt.Errorf("read body %s: %w", url, err)
+	}
+	return string(raw), nil
+}
+
+// WriteJSON writes v as JSON to w with the given HTTP status code and sets the
+// Content-Type header to application/json.
+func WriteJSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(v)
+}
+
+// WriteError writes a JSON error object {"error": msg} with the given status.
+func WriteError(w http.ResponseWriter, status int, msg string) {
+	WriteJSON(w, status, map[string]string{"error": msg})
+}
+
+// maxBodyBytes is the limit applied by DecodeJSON to prevent unbounded reads.
+const maxBodyBytes = 1 << 20 // 1 MiB
+
+// DecodeJSON decodes a JSON request body into v. It enforces a 1 MiB size
+// limit and returns a descriptive error on any failure.
+func DecodeJSON(r *http.Request, v any) error {
+	r.Body = http.MaxBytesReader(nil, r.Body, maxBodyBytes)
+	dec := json.NewDecoder(r.Body)
+	dec.DisallowUnknownFields()
+	if err := dec.Decode(v); err != nil {
+		return fmt.Errorf("decode JSON body: %w", err)
+	}
+	return nil
+}

backend/internal/httputil/httputil_test.go

@@ -0,0 +1,181 @@
+package httputil_test
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/httputil"
+)
+
+// ── RetryGet ──────────────────────────────────────────────────────────────────
+
+func TestRetryGet_ImmediateSuccess(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("hello"))
+	}))
+	defer srv.Close()
+
+	body, err := httputil.RetryGet(context.Background(), srv.Client(), srv.URL, 3, time.Millisecond)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if body != "hello" {
+		t.Errorf("want hello, got %q", body)
+	}
+}
+
+func TestRetryGet_RetriesOn5xx(t *testing.T) {
+	calls := 0
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		calls++
+		if calls < 3 {
+			w.WriteHeader(http.StatusServiceUnavailable)
+			return
+		}
+		w.Write([]byte("ok"))
+	}))
+	defer srv.Close()
+
+	body, err := httputil.RetryGet(context.Background(), srv.Client(), srv.URL, 5, time.Millisecond)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if body != "ok" {
+		t.Errorf("want ok, got %q", body)
+	}
+	if calls != 3 {
+		t.Errorf("want 3 calls, got %d", calls)
+	}
+}
+
+func TestRetryGet_MaxAttemptsExceeded(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}))
+	defer srv.Close()
+
+	_, err := httputil.RetryGet(context.Background(), srv.Client(), srv.URL, 3, time.Millisecond)
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func TestRetryGet_ContextCancelDuringBackoff(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusServiceUnavailable)
+	}))
+	defer srv.Close()
+
+	ctx, cancel := context.WithCancel(context.Background())
+
+	// Cancel after first failed attempt hits the backoff wait.
+	go func() { time.Sleep(5 * time.Millisecond); cancel() }()
+
+	_, err := httputil.RetryGet(ctx, srv.Client(), srv.URL, 10, 500*time.Millisecond)
+	if err == nil {
+		t.Fatal("expected context cancellation error")
+	}
+}
+
+func TestRetryGet_NoRetryOn4xx(t *testing.T) {
+	calls := 0
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		calls++
+		w.WriteHeader(http.StatusNotFound)
+	}))
+	defer srv.Close()
+
+	_, err := httputil.RetryGet(context.Background(), srv.Client(), srv.URL, 5, time.Millisecond)
+	if err == nil {
+		t.Fatal("expected error for 404")
+	}
+	// 4xx is NOT retried — should be exactly 1 call.
+	if calls != 1 {
+		t.Errorf("want 1 call for 4xx, got %d", calls)
+	}
+}
+
+// ── WriteJSON ─────────────────────────────────────────────────────────────────
+
+func TestWriteJSON_SetsHeadersAndStatus(t *testing.T) {
+	rr := httptest.NewRecorder()
+	httputil.WriteJSON(rr, http.StatusCreated, map[string]string{"key": "val"})
+
+	if rr.Code != http.StatusCreated {
+		t.Errorf("status: want 201, got %d", rr.Code)
+	}
+	if ct := rr.Header().Get("Content-Type"); ct != "application/json" {
+		t.Errorf("Content-Type: want application/json, got %q", ct)
+	}
+	var got map[string]string
+	if err := json.NewDecoder(rr.Body).Decode(&got); err != nil {
+		t.Fatalf("decode body: %v", err)
+	}
+	if got["key"] != "val" {
+		t.Errorf("body key: want val, got %q", got["key"])
+	}
+}
+
+// ── WriteError ────────────────────────────────────────────────────────────────
+
+func TestWriteError_Format(t *testing.T) {
+	rr := httptest.NewRecorder()
+	httputil.WriteError(rr, http.StatusBadRequest, "bad input")
+
+	if rr.Code != http.StatusBadRequest {
+		t.Errorf("status: want 400, got %d", rr.Code)
+	}
+	var got map[string]string
+	json.NewDecoder(rr.Body).Decode(&got)
+	if got["error"] != "bad input" {
+		t.Errorf("error field: want bad input, got %q", got["error"])
+	}
+}
+
+// ── DecodeJSON ────────────────────────────────────────────────────────────────
+
+func TestDecodeJSON_HappyPath(t *testing.T) {
+	body := `{"name":"test","value":42}`
+	req := httptest.NewRequest(http.MethodPost, "/", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+
+	var payload struct {
+		Name  string `json:"name"`
+		Value int    `json:"value"`
+	}
+	if err := httputil.DecodeJSON(req, &payload); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if payload.Name != "test" || payload.Value != 42 {
+		t.Errorf("unexpected payload: %+v", payload)
+	}
+}
+
+func TestDecodeJSON_UnknownFieldReturnsError(t *testing.T) {
+	body := `{"name":"test","unknown_field":"boom"}`
+	req := httptest.NewRequest(http.MethodPost, "/", strings.NewReader(body))
+
+	var payload struct {
+		Name string `json:"name"`
+	}
+	if err := httputil.DecodeJSON(req, &payload); err == nil {
+		t.Fatal("expected error for unknown field, got nil")
+	}
+}
+
+func TestDecodeJSON_BodyTooLarge(t *testing.T) {
+	// Build a body > 1 MiB.
+	big := bytes.Repeat([]byte("a"), 2<<20)
+	req := httptest.NewRequest(http.MethodPost, "/", bytes.NewReader(big))
+
+	var payload map[string]any
+	if err := httputil.DecodeJSON(req, &payload); err == nil {
+		t.Fatal("expected error for oversized body, got nil")
+	}
+}

backend/internal/kokoro/client.go

@@ -0,0 +1,160 @@
+// Package kokoro provides a client for the Kokoro-FastAPI TTS service.
+//
+// The Kokoro API is an OpenAI-compatible audio speech API that returns a
+// download link (X-Download-Path header) instead of streaming audio directly.
+// GenerateAudio handles the two-step flow: POST /v1/audio/speech → GET /v1/download/{file}.
+package kokoro
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+)
+
+// Client is the interface for interacting with the Kokoro TTS service.
+type Client interface {
+	// GenerateAudio synthesises text using voice and returns raw MP3 bytes.
+	GenerateAudio(ctx context.Context, text, voice string) ([]byte, error)
+
+	// ListVoices returns the available voice IDs. Falls back to an empty slice
+	// on error — callers should treat an empty list as "service unavailable".
+	ListVoices(ctx context.Context) ([]string, error)
+}
+
+// httpClient is the concrete Kokoro HTTP client.
+type httpClient struct {
+	baseURL string
+	http    *http.Client
+}
+
+// New returns a Kokoro Client targeting baseURL (e.g. "https://kokoro.example.com").
+func New(baseURL string) Client {
+	return &httpClient{
+		baseURL: strings.TrimRight(baseURL, "/"),
+		http:    &http.Client{Timeout: 10 * time.Minute},
+	}
+}
+
+// GenerateAudio calls POST /v1/audio/speech (return_download_link=true) and then
+// downloads the resulting MP3 from GET /v1/download/{filename}.
+func (c *httpClient) GenerateAudio(ctx context.Context, text, voice string) ([]byte, error) {
+	if text == "" {
+		return nil, fmt.Errorf("kokoro: empty text")
+	}
+	if voice == "" {
+		voice = "af_bella"
+	}
+
+	// ── Step 1: request generation ────────────────────────────────────────────
+	reqBody, err := json.Marshal(map[string]any{
+		"model":                "kokoro",
+		"input":                text,
+		"voice":                voice,
+		"response_format":      "mp3",
+		"speed":                1.0,
+		"stream":               false,
+		"return_download_link": true,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: marshal request: %w", err)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost,
+		c.baseURL+"/v1/audio/speech", bytes.NewReader(reqBody))
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: build speech request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: speech request: %w", err)
+	}
+	defer resp.Body.Close()
+	_, _ = io.Copy(io.Discard, resp.Body)
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("kokoro: speech returned %d", resp.StatusCode)
+	}
+
+	dlPath := resp.Header.Get("X-Download-Path")
+	if dlPath == "" {
+		return nil, fmt.Errorf("kokoro: no X-Download-Path header in response")
+	}
+	filename := dlPath
+	if idx := strings.LastIndex(dlPath, "/"); idx >= 0 {
+		filename = dlPath[idx+1:]
+	}
+	if filename == "" {
+		return nil, fmt.Errorf("kokoro: empty filename in X-Download-Path: %q", dlPath)
+	}
+
+	// ── Step 2: download the generated file ───────────────────────────────────
+	dlURL := c.baseURL + "/v1/download/" + filename
+	dlReq, err := http.NewRequestWithContext(ctx, http.MethodGet, dlURL, nil)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: build download request: %w", err)
+	}
+
+	dlResp, err := c.http.Do(dlReq)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: download request: %w", err)
+	}
+	defer dlResp.Body.Close()
+
+	if dlResp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("kokoro: download returned %d", dlResp.StatusCode)
+	}
+
+	data, err := io.ReadAll(dlResp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: read download body: %w", err)
+	}
+	return data, nil
+}
+
+// ListVoices calls GET /v1/audio/voices and returns the list of voice IDs.
+func (c *httpClient) ListVoices(ctx context.Context) ([]string, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet,
+		c.baseURL+"/v1/audio/voices", nil)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: build voices request: %w", err)
+	}
+
+	resp, err := c.http.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("kokoro: voices request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		return nil, fmt.Errorf("kokoro: voices returned %d", resp.StatusCode)
+	}
+
+	var result struct {
+		Voices []string `json:"voices"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return nil, fmt.Errorf("kokoro: decode voices response: %w", err)
+	}
+	return result.Voices, nil
+}
+
+// VoiceSampleKey returns the MinIO object key for a voice sample MP3.
+// Key: _voice-samples/{voice}.mp3 (sanitised).
+func VoiceSampleKey(voice string) string {
+	safe := strings.Map(func(r rune) rune {
+		if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') ||
+			(r >= '0' && r <= '9') || r == '_' || r == '-' {
+			return r
+		}
+		return '_'
+	}, voice)
+	return fmt.Sprintf("_voice-samples/%s.mp3", safe)
+}

backend/internal/kokoro/client_test.go

@@ -0,0 +1,291 @@
+package kokoro_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/libnovel/backend/internal/kokoro"
+)
+
+// ── VoiceSampleKey ────────────────────────────────────────────────────────────
+
+func TestVoiceSampleKey(t *testing.T) {
+	tests := []struct {
+		voice string
+		want  string
+	}{
+		{"af_bella", "_voice-samples/af_bella.mp3"},
+		{"am_echo", "_voice-samples/am_echo.mp3"},
+		{"voice with spaces", "_voice-samples/voice_with_spaces.mp3"},
+		{"special!@#chars", "_voice-samples/special___chars.mp3"},
+		{"", "_voice-samples/.mp3"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.voice, func(t *testing.T) {
+			got := kokoro.VoiceSampleKey(tt.voice)
+			if got != tt.want {
+				t.Errorf("VoiceSampleKey(%q) = %q, want %q", tt.voice, got, tt.want)
+			}
+		})
+	}
+}
+
+// ── GenerateAudio ─────────────────────────────────────────────────────────────
+
+func TestGenerateAudio_EmptyText(t *testing.T) {
+	srv := httptest.NewServer(http.NotFoundHandler())
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.GenerateAudio(context.Background(), "", "af_bella")
+	if err == nil {
+		t.Fatal("expected error for empty text, got nil")
+	}
+	if !strings.Contains(err.Error(), "empty text") {
+		t.Errorf("expected 'empty text' in error, got: %v", err)
+	}
+}
+
+func TestGenerateAudio_DefaultVoice(t *testing.T) {
+	// Tracks that the voice defaults to af_bella when empty.
+	var capturedBody string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/speech" {
+			buf := make([]byte, 512)
+			n, _ := r.Body.Read(buf)
+			capturedBody = string(buf[:n])
+			w.Header().Set("X-Download-Path", "/download/test_file.mp3")
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		if strings.HasPrefix(r.URL.Path, "/v1/download/") {
+			w.WriteHeader(http.StatusOK)
+			_, _ = w.Write([]byte("fake-mp3-data"))
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	data, err := c.GenerateAudio(context.Background(), "hello world", "")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if string(data) != "fake-mp3-data" {
+		t.Errorf("unexpected data: %q", string(data))
+	}
+	if !strings.Contains(capturedBody, `"af_bella"`) {
+		t.Errorf("expected default voice af_bella in request body, got: %s", capturedBody)
+	}
+}
+
+func TestGenerateAudio_SpeechNon200(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/speech" {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.GenerateAudio(context.Background(), "text", "af_bella")
+	if err == nil {
+		t.Fatal("expected error for non-200 speech response")
+	}
+	if !strings.Contains(err.Error(), "500") {
+		t.Errorf("expected 500 in error, got: %v", err)
+	}
+}
+
+func TestGenerateAudio_NoDownloadPathHeader(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/speech" {
+			// No X-Download-Path header
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.GenerateAudio(context.Background(), "text", "af_bella")
+	if err == nil {
+		t.Fatal("expected error for missing X-Download-Path")
+	}
+	if !strings.Contains(err.Error(), "X-Download-Path") {
+		t.Errorf("expected X-Download-Path in error, got: %v", err)
+	}
+}
+
+func TestGenerateAudio_DownloadFails(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/speech" {
+			w.Header().Set("X-Download-Path", "/v1/download/speech.mp3")
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		if strings.HasPrefix(r.URL.Path, "/v1/download/") {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.GenerateAudio(context.Background(), "text", "af_bella")
+	if err == nil {
+		t.Fatal("expected error for failed download")
+	}
+	if !strings.Contains(err.Error(), "404") {
+		t.Errorf("expected 404 in error, got: %v", err)
+	}
+}
+
+func TestGenerateAudio_FullPath(t *testing.T) {
+	// X-Download-Path with a full path: extract just filename.
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/speech" {
+			w.Header().Set("X-Download-Path", "/some/nested/path/audio_abc123.mp3")
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		if r.URL.Path == "/v1/download/audio_abc123.mp3" {
+			_, _ = w.Write([]byte("audio-bytes"))
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	data, err := c.GenerateAudio(context.Background(), "text", "af_bella")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if string(data) != "audio-bytes" {
+		t.Errorf("unexpected data: %q", string(data))
+	}
+}
+
+func TestGenerateAudio_ContextCancelled(t *testing.T) {
+	// Server that hangs — context should cancel before we get a response.
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Never respond.
+		select {}
+	}))
+	defer srv.Close()
+
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel immediately
+
+	c := kokoro.New(srv.URL)
+	_, err := c.GenerateAudio(ctx, "text", "af_bella")
+	if err == nil {
+		t.Fatal("expected error for cancelled context")
+	}
+}
+
+// ── ListVoices ────────────────────────────────────────────────────────────────
+
+func TestListVoices_Success(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/voices" {
+			w.Header().Set("Content-Type", "application/json")
+			_, _ = w.Write([]byte(`{"voices":["af_bella","am_adam","bf_emma"]}`))
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	voices, err := c.ListVoices(context.Background())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if len(voices) != 3 {
+		t.Errorf("expected 3 voices, got %d: %v", len(voices), voices)
+	}
+	if voices[0] != "af_bella" {
+		t.Errorf("expected first voice to be af_bella, got %q", voices[0])
+	}
+}
+
+func TestListVoices_Non200(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusServiceUnavailable)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.ListVoices(context.Background())
+	if err == nil {
+		t.Fatal("expected error for non-200 response")
+	}
+	if !strings.Contains(err.Error(), "503") {
+		t.Errorf("expected 503 in error, got: %v", err)
+	}
+}
+
+func TestListVoices_MalformedJSON(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte(`not-json`))
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	_, err := c.ListVoices(context.Background())
+	if err == nil {
+		t.Fatal("expected error for malformed JSON")
+	}
+}
+
+func TestListVoices_EmptyVoices(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"voices":[]}`))
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL)
+	voices, err := c.ListVoices(context.Background())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if len(voices) != 0 {
+		t.Errorf("expected 0 voices, got %d", len(voices))
+	}
+}
+
+// ── New ───────────────────────────────────────────────────────────────────────
+
+func TestNew_TrailingSlashStripped(t *testing.T) {
+	// Verify that a trailing slash on baseURL doesn't produce double-slash paths.
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v1/audio/voices" {
+			w.Header().Set("Content-Type", "application/json")
+			_, _ = w.Write([]byte(`{"voices":["af_bella"]}`))
+			return
+		}
+		http.NotFound(w, r)
+	}))
+	defer srv.Close()
+
+	c := kokoro.New(srv.URL + "/") // trailing slash
+	voices, err := c.ListVoices(context.Background())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if len(voices) == 0 {
+		t.Error("expected at least one voice")
+	}
+}

backend/internal/meili/client.go

@@ -0,0 +1,327 @@
+// Package meili provides a thin Meilisearch client for indexing and searching
+// locally scraped books.
+//
+// Index:
+//   - Name: "books"
+//   - Primary key: "slug"
+//   - Searchable attributes: title, author, genres, summary
+//   - Filterable attributes: status, genres
+//   - Sortable attributes: rank, rating, total_chapters, meta_updated
+//
+// The client is intentionally simple: UpsertBook and Search only. All
+// Meilisearch-specific details (index management, attribute configuration)
+// are handled once in Configure(), called at startup.
+package meili
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/meilisearch/meilisearch-go"
+)
+
+const indexName = "books"
+
+// Client is the interface for Meilisearch operations used by runner and backend.
+type Client interface {
+	// UpsertBook adds or updates a book document in the search index.
+	UpsertBook(ctx context.Context, book domain.BookMeta) error
+	// BookExists reports whether a book with the given slug is already in the
+	// index. Used by the catalogue refresh to skip re-indexing known books.
+	BookExists(ctx context.Context, slug string) bool
+	// Search returns up to limit books matching query.
+	Search(ctx context.Context, query string, limit int) ([]domain.BookMeta, error)
+	// Catalogue queries books with optional filters, sort, and pagination.
+	// Returns books, the total hit count for pagination, and a FacetResult
+	// with available genre and status values from the index.
+	Catalogue(ctx context.Context, q CatalogueQuery) ([]domain.BookMeta, int64, FacetResult, error)
+}
+
+// CatalogueQuery holds parameters for the /api/catalogue endpoint.
+type CatalogueQuery struct {
+	Q      string // full-text query (may be empty for browse)
+	Genre  string // genre filter, e.g. "fantasy" or "all"
+	Status string // status filter, e.g. "ongoing", "completed", or "all"
+	Sort   string // sort field: "popular", "new", "update", "top-rated", "rank", ""
+	Page   int    // 1-indexed
+	Limit  int    // items per page, default 20
+}
+
+// FacetResult holds the available filter values discovered from the index.
+// Values are sorted alphabetically and include only those present in the index.
+type FacetResult struct {
+	Genres   []string // distinct genre values
+	Statuses []string // distinct status values
+}
+
+// MeiliClient wraps the meilisearch-go SDK.
+type MeiliClient struct {
+	idx meilisearch.IndexManager
+}
+
+// New creates a MeiliClient. Call Configure() once at startup to ensure the
+// index exists and has the correct attribute settings.
+func New(host, apiKey string) *MeiliClient {
+	cli := meilisearch.New(host, meilisearch.WithAPIKey(apiKey))
+	return &MeiliClient{idx: cli.Index(indexName)}
+}
+
+// Configure creates the index if absent and sets searchable/filterable
+// attributes. It is idempotent — safe to call on every startup.
+func Configure(host, apiKey string) error {
+	cli := meilisearch.New(host, meilisearch.WithAPIKey(apiKey))
+
+	// Create index with primary key. Returns 202 if exists — ignore.
+	task, err := cli.CreateIndex(&meilisearch.IndexConfig{
+		Uid:        indexName,
+		PrimaryKey: "slug",
+	})
+	if err != nil {
+		// 400 "index_already_exists" is not an error here; the SDK returns
+		// an error with Code "index_already_exists" which we can ignore.
+		// Any other error is fatal.
+		if apiErr, ok := err.(*meilisearch.Error); ok && apiErr.MeilisearchApiError.Code == "index_already_exists" {
+			// already exists — continue
+		} else {
+			return fmt.Errorf("meili: create index: %w", err)
+		}
+	} else {
+		_ = task // task is async; we don't wait for it
+	}
+
+	idx := cli.Index(indexName)
+
+	searchable := []string{"title", "author", "genres", "summary"}
+	if _, err := idx.UpdateSearchableAttributes(&searchable); err != nil {
+		return fmt.Errorf("meili: update searchable attributes: %w", err)
+	}
+
+	filterable := []interface{}{"status", "genres"}
+	if _, err := idx.UpdateFilterableAttributes(&filterable); err != nil {
+		return fmt.Errorf("meili: update filterable attributes: %w", err)
+	}
+
+	sortable := []string{"rank", "rating", "total_chapters", "meta_updated"}
+	if _, err := idx.UpdateSortableAttributes(&sortable); err != nil {
+		return fmt.Errorf("meili: update sortable attributes: %w", err)
+	}
+
+	return nil
+}
+
+// bookDoc is the Meilisearch document shape for a book.
+type bookDoc struct {
+	Slug          string   `json:"slug"`
+	Title         string   `json:"title"`
+	Author        string   `json:"author"`
+	Cover         string   `json:"cover"`
+	Status        string   `json:"status"`
+	Genres        []string `json:"genres"`
+	Summary       string   `json:"summary"`
+	TotalChapters int      `json:"total_chapters"`
+	SourceURL     string   `json:"source_url"`
+	Rank          int      `json:"rank"`
+	Rating        float64  `json:"rating"`
+	// MetaUpdated is the Unix timestamp (seconds) of the last PocketBase update.
+	// Used for sort=update ("recently updated" ordering).
+	MetaUpdated int64 `json:"meta_updated"`
+}
+
+func toDoc(b domain.BookMeta) bookDoc {
+	return bookDoc{
+		Slug:          b.Slug,
+		Title:         b.Title,
+		Author:        b.Author,
+		Cover:         b.Cover,
+		Status:        b.Status,
+		Genres:        b.Genres,
+		Summary:       b.Summary,
+		TotalChapters: b.TotalChapters,
+		SourceURL:     b.SourceURL,
+		Rank:          b.Ranking,
+		Rating:        b.Rating,
+		MetaUpdated:   b.MetaUpdated,
+	}
+}
+
+func fromDoc(d bookDoc) domain.BookMeta {
+	return domain.BookMeta{
+		Slug:          d.Slug,
+		Title:         d.Title,
+		Author:        d.Author,
+		Cover:         d.Cover,
+		Status:        d.Status,
+		Genres:        d.Genres,
+		Summary:       d.Summary,
+		TotalChapters: d.TotalChapters,
+		SourceURL:     d.SourceURL,
+		Ranking:       d.Rank,
+		Rating:        d.Rating,
+		MetaUpdated:   d.MetaUpdated,
+	}
+}
+
+// UpsertBook adds or replaces the book document in Meilisearch. The operation
+// is fire-and-forget (Meilisearch processes tasks asynchronously).
+func (c *MeiliClient) UpsertBook(_ context.Context, book domain.BookMeta) error {
+	docs := []bookDoc{toDoc(book)}
+	pk := "slug"
+	if _, err := c.idx.AddDocuments(docs, &meilisearch.DocumentOptions{PrimaryKey: &pk}); err != nil {
+		return fmt.Errorf("meili: upsert book %q: %w", book.Slug, err)
+	}
+	return nil
+}
+
+// BookExists reports whether the slug is already present in the index.
+// It fetches the document by primary key; a 404 or any error is treated as
+// "not present" (safe default: re-index rather than silently skip).
+func (c *MeiliClient) BookExists(_ context.Context, slug string) bool {
+	var doc bookDoc
+	err := c.idx.GetDocument(slug, nil, &doc)
+	return err == nil && doc.Slug != ""
+}
+
+// Search returns books matching query, up to limit results.
+func (c *MeiliClient) Search(_ context.Context, query string, limit int) ([]domain.BookMeta, error) {
+	if limit <= 0 {
+		limit = 20
+	}
+	res, err := c.idx.Search(query, &meilisearch.SearchRequest{
+		Limit: int64(limit),
+	})
+	if err != nil {
+		return nil, fmt.Errorf("meili: search %q: %w", query, err)
+	}
+
+	books := make([]domain.BookMeta, 0, len(res.Hits))
+	for _, hit := range res.Hits {
+		// Hit is map[string]json.RawMessage — unmarshal directly into bookDoc.
+		var doc bookDoc
+		raw, err := json.Marshal(hit)
+		if err != nil {
+			continue
+		}
+		if err := json.Unmarshal(raw, &doc); err != nil {
+			continue
+		}
+		books = append(books, fromDoc(doc))
+	}
+	return books, nil
+}
+
+// Catalogue queries books with optional full-text search, genre/status filters,
+// sort order, and pagination. Returns matching books, the total estimate, and
+// a FacetResult containing available genre and status values from the index.
+func (c *MeiliClient) Catalogue(_ context.Context, q CatalogueQuery) ([]domain.BookMeta, int64, FacetResult, error) {
+	if q.Limit <= 0 {
+		q.Limit = 20
+	}
+	if q.Page <= 0 {
+		q.Page = 1
+	}
+
+	req := &meilisearch.SearchRequest{
+		Limit:  int64(q.Limit),
+		Offset: int64((q.Page - 1) * q.Limit),
+		// Request facet distribution so the UI can build filter options
+		// dynamically without hardcoding genre/status lists.
+		Facets: []string{"genres", "status"},
+	}
+
+	// Build filter
+	var filters []string
+	if q.Genre != "" && q.Genre != "all" {
+		filters = append(filters, fmt.Sprintf("genres = %q", q.Genre))
+	}
+	if q.Status != "" && q.Status != "all" {
+		filters = append(filters, fmt.Sprintf("status = %q", q.Status))
+	}
+	if len(filters) > 0 {
+		req.Filter = strings.Join(filters, " AND ")
+	}
+
+	// Map UI sort tokens to Meilisearch sort expressions.
+	switch q.Sort {
+	case "rank":
+		req.Sort = []string{"rank:asc"}
+	case "top-rated":
+		req.Sort = []string{"rating:desc"}
+	case "new":
+		req.Sort = []string{"total_chapters:desc"}
+	case "update":
+		req.Sort = []string{"meta_updated:desc"}
+		// "popular" and "" → relevance (no explicit sort)
+	}
+
+	res, err := c.idx.Search(q.Q, req)
+	if err != nil {
+		return nil, 0, FacetResult{}, fmt.Errorf("meili: catalogue query: %w", err)
+	}
+
+	books := make([]domain.BookMeta, 0, len(res.Hits))
+	for _, hit := range res.Hits {
+		var doc bookDoc
+		raw, err := json.Marshal(hit)
+		if err != nil {
+			continue
+		}
+		if err := json.Unmarshal(raw, &doc); err != nil {
+			continue
+		}
+		books = append(books, fromDoc(doc))
+	}
+
+	facets := parseFacets(res.FacetDistribution)
+	return books, res.EstimatedTotalHits, facets, nil
+}
+
+// parseFacets extracts sorted genre and status slices from a Meilisearch
+// facetDistribution raw JSON value.
+// The JSON shape is: {"genres":{"fantasy":12,"action":5},"status":{"ongoing":7}}
+func parseFacets(raw json.RawMessage) FacetResult {
+	var result FacetResult
+	if len(raw) == 0 {
+		return result
+	}
+	var dist map[string]map[string]int64
+	if err := json.Unmarshal(raw, &dist); err != nil {
+		return result
+	}
+	if m, ok := dist["genres"]; ok {
+		for k := range m {
+			result.Genres = append(result.Genres, k)
+		}
+		sortStrings(result.Genres)
+	}
+	if m, ok := dist["status"]; ok {
+		for k := range m {
+			result.Statuses = append(result.Statuses, k)
+		}
+		sortStrings(result.Statuses)
+	}
+	return result
+}
+
+// sortStrings sorts a slice of strings in place.
+func sortStrings(s []string) {
+	for i := 1; i < len(s); i++ {
+		for j := i; j > 0 && s[j] < s[j-1]; j-- {
+			s[j], s[j-1] = s[j-1], s[j]
+		}
+	}
+}
+
+// NoopClient is a no-op Client used when Meilisearch is not configured.
+type NoopClient struct{}
+
+func (NoopClient) UpsertBook(_ context.Context, _ domain.BookMeta) error { return nil }
+func (NoopClient) BookExists(_ context.Context, _ string) bool           { return false }
+func (NoopClient) Search(_ context.Context, _ string, _ int) ([]domain.BookMeta, error) {
+	return nil, nil
+}
+func (NoopClient) Catalogue(_ context.Context, _ CatalogueQuery) ([]domain.BookMeta, int64, FacetResult, error) {
+	return nil, 0, FacetResult{}, nil
+}

backend/internal/novelfire/htmlutil/htmlutil.go

@@ -7,13 +7,12 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/libnovel/scraper/internal/scraper"
+	"github.com/libnovel/backend/internal/scraper"
 	"golang.org/x/net/html"
 )
 
 // ResolveURL returns an absolute URL. If href is already absolute it is
-// returned unchanged. Otherwise it is resolved against base using standard
-// URL resolution (handles relative paths, absolute paths, etc.).
+// returned unchanged. Otherwise it is resolved against base.
 func ResolveURL(base, href string) string {
 	if strings.HasPrefix(href, "http://") || strings.HasPrefix(href, "https://") {
 		return href
@@ -77,9 +76,6 @@ func AttrVal(n *html.Node, key string) string {
 	return ""
 }
 
-// attrVal is an unexported alias kept for internal use within this package.
-func attrVal(n *html.Node, key string) string { return AttrVal(n, key) }
-
 // TextContent returns the concatenated text content of all descendant text nodes.
 func TextContent(n *html.Node) string {
 	var sb strings.Builder
@@ -96,9 +92,6 @@ func TextContent(n *html.Node) string {
 	return strings.TrimSpace(sb.String())
 }
 
-// textContent is an unexported alias kept for internal use within this package.
-func textContent(n *html.Node) string { return TextContent(n) }
-
 // FindFirst returns the first node matching sel within root.
 func FindFirst(root *html.Node, sel scraper.Selector) *html.Node {
 	var found *html.Node
@@ -139,9 +132,9 @@ func FindAll(root *html.Node, sel scraper.Selector) []*html.Node {
 // If sel.Attr is set the attribute value is returned; otherwise the inner text.
 func ExtractText(n *html.Node, sel scraper.Selector) string {
 	if sel.Attr != "" {
-		return attrVal(n, sel.Attr)
+		return AttrVal(n, sel.Attr)
 	}
-	return textContent(n)
+	return TextContent(n)
 }
 
 // ExtractFirst locates the first match in root and returns its text/attr value.
@@ -165,29 +158,15 @@ func ExtractAll(root *html.Node, sel scraper.Selector) []string {
 	return out
 }
 
-// InnerHTML returns the serialized inner HTML of node n.
-func InnerHTML(n *html.Node) string {
-	var sb strings.Builder
-	for c := n.FirstChild; c != nil; c = c.NextSibling {
-		_ = html.Render(&sb, c)
-	}
-	return sb.String()
-}
-
 // NodeToMarkdown converts the children of an HTML node to a plain-text/Markdown
-// representation suitable for chapter storage. Block elements become newlines;
-// inline elements are inlined. Runs of more than one blank line are collapsed
-// to a single blank line.
+// representation suitable for chapter storage.
 func NodeToMarkdown(n *html.Node) string {
 	var sb strings.Builder
 	nodeToMD(n, &sb)
-	// Collapse 3+ consecutive newlines (i.e. more than one blank line) to 2.
 	out := multiBlankLine.ReplaceAllString(sb.String(), "\n\n")
 	return strings.TrimSpace(out)
 }
 
-// multiBlankLine matches three or more consecutive newline characters
-// (any mix of \n and surrounding whitespace-only lines).
 var multiBlankLine = regexp.MustCompile(`\n(\s*\n){2,}`)
 
 var blockElements = map[string]bool{

backend/internal/novelfire/scraper.go

@@ -0,0 +1,509 @@
+// Package novelfire provides a NovelScraper implementation for novelfire.net.
+//
+// Site structure (as of 2025):
+//
+//	Catalogue : https://novelfire.net/genre-all/sort-new/status-all/all-novel?page=N
+//	Book page : https://novelfire.net/book/{slug}
+//	Chapters  : https://novelfire.net/book/{slug}/chapters?page=N
+//	Chapter   : https://novelfire.net/book/{slug}/{chapter-slug}
+package novelfire
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/url"
+	"path"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/libnovel/backend/internal/browser"
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/novelfire/htmlutil"
+	"github.com/libnovel/backend/internal/scraper"
+	"golang.org/x/net/html"
+)
+
+const (
+	baseURL       = "https://novelfire.net"
+	cataloguePath = "/genre-all/sort-new/status-all/all-novel"
+	rankingPath   = "/genre-all/sort-popular/status-all/all-novel"
+)
+
+// Scraper is the novelfire.net implementation of scraper.NovelScraper.
+type Scraper struct {
+	client browser.Client
+	log    *slog.Logger
+}
+
+// Compile-time interface check.
+var _ scraper.NovelScraper = (*Scraper)(nil)
+
+// New returns a new novelfire Scraper backed by client.
+func New(client browser.Client, log *slog.Logger) *Scraper {
+	if log == nil {
+		log = slog.Default()
+	}
+	return &Scraper{client: client, log: log}
+}
+
+// SourceName implements NovelScraper.
+func (s *Scraper) SourceName() string { return "novelfire.net" }
+
+// ── CatalogueProvider ─────────────────────────────────────────────────────────
+
+// ScrapeCatalogue streams all CatalogueEntry values across all catalogue pages.
+func (s *Scraper) ScrapeCatalogue(ctx context.Context) (<-chan domain.CatalogueEntry, <-chan error) {
+	entries := make(chan domain.CatalogueEntry, 64)
+	errs := make(chan error, 16)
+
+	go func() {
+		defer close(entries)
+		defer close(errs)
+
+		pageURL := baseURL + cataloguePath
+		page := 1
+
+		for pageURL != "" {
+			select {
+			case <-ctx.Done():
+				return
+			default:
+			}
+
+			s.log.Info("scraping catalogue page", "page", page, "url", pageURL)
+			raw, err := s.client.GetContent(ctx, pageURL)
+			if err != nil {
+				errs <- fmt.Errorf("catalogue page %d: %w", page, err)
+				return
+			}
+
+			root, err := htmlutil.ParseHTML(raw)
+			if err != nil {
+				errs <- fmt.Errorf("catalogue page %d parse: %w", page, err)
+				return
+			}
+
+			cards := htmlutil.FindAll(root, scraper.Selector{Tag: "li", Class: "novel-item", Multiple: true})
+			if len(cards) == 0 {
+				s.log.Warn("no novel cards found, stopping pagination", "page", page)
+				return
+			}
+
+			for _, card := range cards {
+				linkNode := htmlutil.FindFirst(card, scraper.Selector{Tag: "a", Attr: "href"})
+				titleNode := htmlutil.FindFirst(card, scraper.Selector{Tag: "h4", Class: "novel-title"})
+
+				var title, href string
+				if linkNode != nil {
+					href = htmlutil.ExtractText(linkNode, scraper.Selector{Tag: "a", Attr: "href"})
+				}
+				if titleNode != nil {
+					title = strings.TrimSpace(htmlutil.ExtractText(titleNode, scraper.Selector{}))
+				}
+				if href == "" || title == "" {
+					continue
+				}
+
+				bookURL := resolveURL(baseURL, href)
+				select {
+				case <-ctx.Done():
+					return
+				case entries <- domain.CatalogueEntry{Slug: slugFromURL(bookURL), Title: title, URL: bookURL}:
+				}
+			}
+
+			if !hasNextPageLink(root) {
+				break
+			}
+			nextHref := ""
+			for _, a := range htmlutil.FindAll(root, scraper.Selector{Tag: "a", Multiple: true}) {
+				if htmlutil.AttrVal(a, "rel") == "next" {
+					nextHref = htmlutil.AttrVal(a, "href")
+					break
+				}
+			}
+			if nextHref == "" {
+				break
+			}
+			pageURL = resolveURL(baseURL, nextHref)
+			page++
+		}
+	}()
+
+	return entries, errs
+}
+
+// ── MetadataProvider ──────────────────────────────────────────────────────────
+
+// ScrapeMetadata fetches and parses book metadata from the book's landing page.
+func (s *Scraper) ScrapeMetadata(ctx context.Context, bookURL string) (domain.BookMeta, error) {
+	s.log.Debug("metadata fetch starting", "url", bookURL)
+
+	raw, err := s.client.GetContent(ctx, bookURL)
+	if err != nil {
+		return domain.BookMeta{}, fmt.Errorf("metadata fetch %s: %w", bookURL, err)
+	}
+
+	root, err := htmlutil.ParseHTML(raw)
+	if err != nil {
+		return domain.BookMeta{}, fmt.Errorf("metadata parse %s: %w", bookURL, err)
+	}
+
+	title := htmlutil.ExtractFirst(root, scraper.Selector{Tag: "h1", Class: "novel-title"})
+	author := htmlutil.ExtractFirst(root, scraper.Selector{Tag: "span", Class: "author"})
+
+	var cover string
+	if fig := htmlutil.FindFirst(root, scraper.Selector{Tag: "figure", Class: "cover"}); fig != nil {
+		cover = htmlutil.ExtractFirst(fig, scraper.Selector{Tag: "img", Attr: "src"})
+		if cover != "" && !strings.HasPrefix(cover, "http") {
+			cover = baseURL + cover
+		}
+	}
+
+	status := htmlutil.ExtractFirst(root, scraper.Selector{Tag: "span", Class: "status"})
+
+	genresNode := htmlutil.FindFirst(root, scraper.Selector{Tag: "div", Class: "genres"})
+	var genres []string
+	if genresNode != nil {
+		genres = htmlutil.ExtractAll(genresNode, scraper.Selector{Tag: "a", Multiple: true})
+	}
+
+	summary := htmlutil.ExtractFirst(root, scraper.Selector{Tag: "div", Class: "summary"})
+	totalStr := htmlutil.ExtractFirst(root, scraper.Selector{Tag: "span", Class: "chapter-count"})
+	totalChapters := parseChapterCount(totalStr)
+
+	slug := slugFromURL(bookURL)
+
+	meta := domain.BookMeta{
+		Slug:          slug,
+		Title:         title,
+		Author:        author,
+		Cover:         cover,
+		Status:        status,
+		Genres:        genres,
+		Summary:       summary,
+		TotalChapters: totalChapters,
+		SourceURL:     bookURL,
+	}
+	s.log.Debug("metadata parsed", "slug", meta.Slug, "title", meta.Title)
+	return meta, nil
+}
+
+// ── ChapterListProvider ───────────────────────────────────────────────────────
+
+// ScrapeChapterList returns chapter references for a book, ordered ascending.
+// upTo > 0 stops pagination as soon as at least upTo chapter numbers have been
+// collected — use this for range scrapes so we don't paginate 100 pages just
+// to discover refs we'll never scrape. upTo == 0 fetches all pages.
+// Each page fetch uses retryGet with 429-aware exponential backoff.
+func (s *Scraper) ScrapeChapterList(ctx context.Context, bookURL string, upTo int) ([]domain.ChapterRef, error) {
+	var refs []domain.ChapterRef
+	baseChapterURL := strings.TrimRight(bookURL, "/") + "/chapters"
+	page := 1
+
+	for {
+		select {
+		case <-ctx.Done():
+			return refs, ctx.Err()
+		default:
+		}
+
+		pageURL := fmt.Sprintf("%s?page=%d", baseChapterURL, page)
+		s.log.Info("scraping chapter list", "page", page, "url", pageURL)
+
+		raw, err := retryGet(ctx, s.log, s.client, pageURL, 9, 6*time.Second)
+		if err != nil {
+			return refs, fmt.Errorf("chapter list page %d: %w", page, err)
+		}
+
+		root, err := htmlutil.ParseHTML(raw)
+		if err != nil {
+			return refs, fmt.Errorf("chapter list page %d parse: %w", page, err)
+		}
+
+		chapterList := htmlutil.FindFirst(root, scraper.Selector{Class: "chapter-list"})
+		if chapterList == nil {
+			s.log.Debug("chapter list container not found, stopping pagination", "page", page)
+			break
+		}
+
+		items := htmlutil.FindAll(chapterList, scraper.Selector{Tag: "li"})
+		if len(items) == 0 {
+			break
+		}
+
+		for _, item := range items {
+			linkNode := htmlutil.FindFirst(item, scraper.Selector{Tag: "a"})
+			if linkNode == nil {
+				continue
+			}
+			href := htmlutil.ExtractText(linkNode, scraper.Selector{Attr: "href"})
+			chTitle := htmlutil.ExtractText(linkNode, scraper.Selector{})
+			if href == "" {
+				continue
+			}
+			chURL := resolveURL(baseURL, href)
+			num := chapterNumberFromURL(chURL)
+			if num <= 0 {
+				num = len(refs) + 1
+				s.log.Warn("chapter number not parseable from URL, falling back to position",
+					"url", chURL, "position", num)
+			}
+			refs = append(refs, domain.ChapterRef{
+				Number: num,
+				Title:  strings.TrimSpace(chTitle),
+				URL:    chURL,
+			})
+		}
+
+		// Early-stop: if we have seen at least upTo chapter numbers, we have
+		// enough refs to cover the requested range — no need to paginate further.
+		if upTo > 0 && len(refs) > 0 && refs[len(refs)-1].Number >= upTo {
+			s.log.Debug("chapter list early-stop reached", "upTo", upTo, "collected", len(refs))
+			break
+		}
+
+		page++
+	}
+
+	return refs, nil
+}
+
+// ── ChapterTextProvider ───────────────────────────────────────────────────────
+
+// ScrapeChapterText fetches and parses a single chapter page.
+func (s *Scraper) ScrapeChapterText(ctx context.Context, ref domain.ChapterRef) (domain.Chapter, error) {
+	s.log.Debug("chapter text fetch starting", "chapter", ref.Number, "url", ref.URL)
+
+	raw, err := retryGet(ctx, s.log, s.client, ref.URL, 9, 6*time.Second)
+	if err != nil {
+		return domain.Chapter{}, fmt.Errorf("chapter %d fetch: %w", ref.Number, err)
+	}
+
+	root, err := htmlutil.ParseHTML(raw)
+	if err != nil {
+		return domain.Chapter{}, fmt.Errorf("chapter %d parse: %w", ref.Number, err)
+	}
+
+	container := htmlutil.FindFirst(root, scraper.Selector{ID: "content"})
+	if container == nil {
+		return domain.Chapter{}, fmt.Errorf("chapter %d: #content container not found in %s", ref.Number, ref.URL)
+	}
+
+	text := htmlutil.NodeToMarkdown(container)
+
+	s.log.Debug("chapter text parsed", "chapter", ref.Number, "text_bytes", len(text))
+
+	return domain.Chapter{Ref: ref, Text: text}, nil
+}
+
+// ── RankingProvider ───────────────────────────────────────────────────────────
+
+// ScrapeRanking pages through up to maxPages pages of the popular-novels listing.
+// maxPages <= 0 means all pages. The caller decides whether to persist items.
+func (s *Scraper) ScrapeRanking(ctx context.Context, maxPages int) (<-chan domain.BookMeta, <-chan error) {
+	entries := make(chan domain.BookMeta, 32)
+	errs := make(chan error, 16)
+
+	go func() {
+		defer close(entries)
+		defer close(errs)
+
+		rank := 1
+
+		for page := 1; maxPages <= 0 || page <= maxPages; page++ {
+			select {
+			case <-ctx.Done():
+				return
+			default:
+			}
+
+			pageURL := fmt.Sprintf("%s%s?page=%d", baseURL, rankingPath, page)
+			s.log.Info("scraping popular ranking page", "page", page, "url", pageURL)
+
+			raw, err := s.client.GetContent(ctx, pageURL)
+			if err != nil {
+				errs <- fmt.Errorf("ranking page %d: %w", page, err)
+				return
+			}
+
+			root, err := htmlutil.ParseHTML(raw)
+			if err != nil {
+				errs <- fmt.Errorf("ranking page %d parse: %w", page, err)
+				return
+			}
+
+			cards := htmlutil.FindAll(root, scraper.Selector{Tag: "li", Class: "novel-item", Multiple: true})
+			if len(cards) == 0 {
+				break
+			}
+
+			for _, card := range cards {
+				linkNode := htmlutil.FindFirst(card, scraper.Selector{Tag: "a"})
+				if linkNode == nil {
+					continue
+				}
+				href := htmlutil.ExtractText(linkNode, scraper.Selector{Tag: "a", Attr: "href"})
+				bookURL := resolveURL(baseURL, href)
+				if bookURL == "" {
+					continue
+				}
+
+				title := strings.TrimSpace(htmlutil.ExtractFirst(card, scraper.Selector{Tag: "h4", Class: "novel-title"}))
+				if title == "" {
+					title = strings.TrimSpace(htmlutil.ExtractText(linkNode, scraper.Selector{Tag: "a", Attr: "title"}))
+				}
+				if title == "" {
+					continue
+				}
+
+				var cover string
+				if fig := htmlutil.FindFirst(card, scraper.Selector{Tag: "figure", Class: "novel-cover"}); fig != nil {
+					cover = htmlutil.ExtractFirst(fig, scraper.Selector{Tag: "img", Attr: "data-src"})
+					if cover == "" {
+						cover = htmlutil.ExtractFirst(fig, scraper.Selector{Tag: "img", Attr: "src"})
+					}
+					if strings.HasPrefix(cover, "data:") {
+						cover = ""
+					}
+					if cover != "" && !strings.HasPrefix(cover, "http") {
+						cover = baseURL + cover
+					}
+				}
+
+				meta := domain.BookMeta{
+					Slug:      slugFromURL(bookURL),
+					Title:     title,
+					Cover:     cover,
+					SourceURL: bookURL,
+					Ranking:   rank,
+				}
+				rank++
+
+				select {
+				case <-ctx.Done():
+					return
+				case entries <- meta:
+				}
+			}
+
+			if !hasNextPageLink(root) {
+				break
+			}
+		}
+	}()
+
+	return entries, errs
+}
+
+// ── helpers ───────────────────────────────────────────────────────────────────
+
+func resolveURL(base, href string) string { return htmlutil.ResolveURL(base, href) }
+
+func hasNextPageLink(root *html.Node) bool {
+	links := htmlutil.FindAll(root, scraper.Selector{Tag: "a", Multiple: true})
+	for _, a := range links {
+		for _, attr := range a.Attr {
+			if attr.Key == "rel" && attr.Val == "next" {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+func slugFromURL(bookURL string) string {
+	u, err := url.Parse(bookURL)
+	if err != nil {
+		return bookURL
+	}
+	parts := strings.Split(strings.Trim(u.Path, "/"), "/")
+	if len(parts) >= 2 && parts[0] == "book" {
+		return parts[1]
+	}
+	if len(parts) > 0 {
+		return parts[len(parts)-1]
+	}
+	return ""
+}
+
+func parseChapterCount(s string) int {
+	s = strings.ReplaceAll(s, ",", "")
+	fields := strings.Fields(s)
+	if len(fields) == 0 {
+		return 0
+	}
+	n, _ := strconv.Atoi(fields[0])
+	return n
+}
+
+func chapterNumberFromURL(chapterURL string) int {
+	u, err := url.Parse(chapterURL)
+	if err != nil {
+		return 0
+	}
+	seg := path.Base(u.Path)
+	seg = strings.TrimPrefix(seg, "chapter-")
+	seg = strings.TrimPrefix(seg, "chap-")
+	seg = strings.TrimPrefix(seg, "ch-")
+	digits := strings.FieldsFunc(seg, func(r rune) bool {
+		return r < '0' || r > '9'
+	})
+	if len(digits) == 0 {
+		return 0
+	}
+	n, _ := strconv.Atoi(digits[0])
+	return n
+}
+
+// retryGet calls client.GetContent up to maxAttempts times with exponential backoff.
+// If the server returns 429 (ErrRateLimit), the suggested Retry-After delay is used
+// instead of the geometric backoff delay.
+func retryGet(
+	ctx context.Context,
+	log *slog.Logger,
+	client browser.Client,
+	pageURL string,
+	maxAttempts int,
+	baseDelay time.Duration,
+) (string, error) {
+	var lastErr error
+	delay := baseDelay
+	for attempt := 1; attempt <= maxAttempts; attempt++ {
+		raw, err := client.GetContent(ctx, pageURL)
+		if err == nil {
+			return raw, nil
+		}
+		lastErr = err
+		if ctx.Err() != nil {
+			return "", err
+		}
+		if attempt < maxAttempts {
+			// If the server is rate-limiting us, honour its Retry-After delay.
+			waitFor := delay
+			var rlErr *browser.RateLimitError
+			if errors.As(err, &rlErr) {
+				waitFor = rlErr.RetryAfter
+				if log != nil {
+					log.Warn("rate limited, backing off",
+						"url", pageURL, "attempt", attempt, "retry_in", waitFor)
+				}
+			} else {
+				if log != nil {
+					log.Warn("fetch failed, retrying",
+						"url", pageURL, "attempt", attempt, "retry_in", delay, "err", err)
+				}
+				delay *= 2
+			}
+			select {
+			case <-ctx.Done():
+				return "", ctx.Err()
+			case <-time.After(waitFor):
+			}
+		}
+	}
+	return "", lastErr
+}

backend/internal/novelfire/scraper_test.go

@@ -0,0 +1,129 @@
+package novelfire
+
+import (
+	"context"
+	"testing"
+)
+
+func TestSlugFromURL(t *testing.T) {
+	cases := []struct {
+		url  string
+		want string
+	}{
+		{"https://novelfire.net/book/shadow-slave", "shadow-slave"},
+		{"https://novelfire.net/book/a-dragon-against-the-whole-world", "a-dragon-against-the-whole-world"},
+		{"https://novelfire.net/book/foo/chapter-1", "foo"},
+		{"https://novelfire.net/", ""},
+		{"not-a-url", "not-a-url"},
+	}
+	for _, c := range cases {
+		got := slugFromURL(c.url)
+		if got != c.want {
+			t.Errorf("slugFromURL(%q) = %q, want %q", c.url, got, c.want)
+		}
+	}
+}
+
+func TestChapterNumberFromURL(t *testing.T) {
+	cases := []struct {
+		url  string
+		want int
+	}{
+		{"https://novelfire.net/book/shadow-slave/chapter-42", 42},
+		{"https://novelfire.net/book/shadow-slave/chapter-1000", 1000},
+		{"https://novelfire.net/book/shadow-slave/chap-7", 7},
+		{"https://novelfire.net/book/shadow-slave/ch-3", 3},
+		{"https://novelfire.net/book/shadow-slave/42", 42},
+		{"https://novelfire.net/book/shadow-slave/no-number-here", 0},
+		{"not-a-url", 0},
+	}
+	for _, c := range cases {
+		got := chapterNumberFromURL(c.url)
+		if got != c.want {
+			t.Errorf("chapterNumberFromURL(%q) = %d, want %d", c.url, got, c.want)
+		}
+	}
+}
+
+func TestParseChapterCount(t *testing.T) {
+	cases := []struct {
+		in   string
+		want int
+	}{
+		{"123 Chapters", 123},
+		{"1,234 Chapters", 1234},
+		{"0", 0},
+		{"", 0},
+		{"500", 500},
+	}
+	for _, c := range cases {
+		got := parseChapterCount(c.in)
+		if got != c.want {
+			t.Errorf("parseChapterCount(%q) = %d, want %d", c.in, got, c.want)
+		}
+	}
+}
+
+func TestRetryGet_ContextCancellation(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel immediately
+
+	stub := newStubClient()
+	stub.setError("https://example.com/page", context.Canceled)
+
+	_, err := retryGet(ctx, nil, stub, "https://example.com/page", 3, 0)
+	if err == nil {
+		t.Fatal("expected error on cancelled context")
+	}
+}
+
+func TestRetryGet_EventualSuccess(t *testing.T) {
+	stub := newStubClient()
+	calls := 0
+	stub.setFn("https://example.com/page", func() (string, error) {
+		calls++
+		if calls < 3 {
+			return "", context.DeadlineExceeded
+		}
+		return "<html>ok</html>", nil
+	})
+
+	got, err := retryGet(context.Background(), nil, stub, "https://example.com/page", 5, 0)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if got != "<html>ok</html>" {
+		t.Errorf("got %q, want html", got)
+	}
+	if calls != 3 {
+		t.Errorf("expected 3 calls, got %d", calls)
+	}
+}
+
+// ── minimal stub client for tests ─────────────────────────────────────────────
+
+type stubClient struct {
+	errors map[string]error
+	fns    map[string]func() (string, error)
+}
+
+func newStubClient() *stubClient {
+	return &stubClient{
+		errors: make(map[string]error),
+		fns:    make(map[string]func() (string, error)),
+	}
+}
+
+func (s *stubClient) setError(u string, err error) { s.errors[u] = err }
+
+func (s *stubClient) setFn(u string, fn func() (string, error)) { s.fns[u] = fn }
+
+func (s *stubClient) GetContent(_ context.Context, pageURL string) (string, error) {
+	if fn, ok := s.fns[pageURL]; ok {
+		return fn()
+	}
+	if err, ok := s.errors[pageURL]; ok {
+		return "", err
+	}
+	return "", context.DeadlineExceeded
+}

backend/internal/orchestrator/orchestrator.go

@@ -0,0 +1,222 @@
+// Package orchestrator coordinates metadata extraction, chapter-list fetching,
+// and parallel chapter scraping for a single book.
+//
+// Design:
+//   - RunBook scrapes one book (metadata + chapter list + chapter texts) end-to-end.
+//   - N worker goroutines pull chapter refs from a shared queue and call ScrapeChapterText.
+//   - The caller (runner poll loop) owns the outer task-claim / finish cycle.
+//   - An optional PostMetadata hook (set in Config) is called after WriteMetadata
+//     succeeds. The runner uses this to upsert books into Meilisearch.
+package orchestrator
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"runtime"
+	"sync"
+	"sync/atomic"
+
+	"github.com/libnovel/backend/internal/bookstore"
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/scraper"
+)
+
+// Config holds tunable parameters for the orchestrator.
+type Config struct {
+	// Workers is the number of goroutines used to scrape chapters in parallel.
+	// Defaults to runtime.NumCPU() when 0.
+	Workers int
+	// PostMetadata is an optional hook called with the scraped BookMeta after
+	// WriteMetadata succeeds. Errors from the hook are logged but not fatal.
+	// Used by the runner to index books in Meilisearch.
+	PostMetadata func(ctx context.Context, meta domain.BookMeta)
+}
+
+// Orchestrator runs a single-book scrape pipeline.
+type Orchestrator struct {
+	novel        scraper.NovelScraper
+	store        bookstore.BookWriter
+	log          *slog.Logger
+	workers      int
+	postMetadata func(ctx context.Context, meta domain.BookMeta)
+}
+
+// New returns a new Orchestrator.
+func New(cfg Config, novel scraper.NovelScraper, store bookstore.BookWriter, log *slog.Logger) *Orchestrator {
+	if log == nil {
+		log = slog.Default()
+	}
+	workers := cfg.Workers
+	if workers <= 0 {
+		workers = runtime.NumCPU()
+	}
+	return &Orchestrator{
+		novel:        novel,
+		store:        store,
+		log:          log,
+		workers:      workers,
+		postMetadata: cfg.PostMetadata,
+	}
+}
+
+// RunBook scrapes a single book described by task. It handles:
+//  1. Metadata scrape + write
+//  2. Chapter list scrape + write
+//  3. Parallel chapter text scrape + write (worker pool)
+//
+// Returns a ScrapeResult with counters. The result's ErrorMessage is non-empty
+// if the run failed at the metadata or chapter-list level.
+func (o *Orchestrator) RunBook(ctx context.Context, task domain.ScrapeTask) domain.ScrapeResult {
+	o.log.Info("orchestrator: RunBook starting",
+		"task_id", task.ID,
+		"kind", task.Kind,
+		"url", task.TargetURL,
+		"workers", o.workers,
+	)
+
+	var result domain.ScrapeResult
+
+	if task.TargetURL == "" {
+		result.ErrorMessage = "task has no target URL"
+		return result
+	}
+
+	// ── Step 1: Metadata ──────────────────────────────────────────────────────
+	meta, err := o.novel.ScrapeMetadata(ctx, task.TargetURL)
+	if err != nil {
+		o.log.Error("metadata scrape failed", "url", task.TargetURL, "err", err)
+		result.ErrorMessage = fmt.Sprintf("metadata: %v", err)
+		result.Errors++
+		return result
+	}
+
+	if err := o.store.WriteMetadata(ctx, meta); err != nil {
+		o.log.Error("metadata write failed", "slug", meta.Slug, "err", err)
+		// non-fatal: continue to chapters
+		result.Errors++
+	} else {
+		result.BooksFound = 1
+		// Fire optional post-metadata hook (e.g. Meilisearch indexing).
+		if o.postMetadata != nil {
+			o.postMetadata(ctx, meta)
+		}
+	}
+
+	o.log.Info("metadata saved", "slug", meta.Slug, "title", meta.Title)
+
+	// ── Step 2: Chapter list ──────────────────────────────────────────────────
+	refs, err := o.novel.ScrapeChapterList(ctx, task.TargetURL, task.ToChapter)
+	if err != nil {
+		o.log.Error("chapter list scrape failed", "slug", meta.Slug, "err", err)
+		result.ErrorMessage = fmt.Sprintf("chapter list: %v", err)
+		result.Errors++
+		return result
+	}
+
+	o.log.Info("chapter list fetched", "slug", meta.Slug, "chapters", len(refs))
+
+	// Persist chapter refs (without text) so the index exists early.
+	if wErr := o.store.WriteChapterRefs(ctx, meta.Slug, refs); wErr != nil {
+		o.log.Warn("chapter refs write failed", "slug", meta.Slug, "err", wErr)
+	}
+
+	// ── Step 3: Chapter texts (worker pool) ───────────────────────────────────
+	type chapterJob struct {
+		slug  string
+		ref   domain.ChapterRef
+		total int // total chapters to scrape (for progress logging)
+	}
+	work := make(chan chapterJob, o.workers*4)
+
+	var scraped, skipped, errors atomic.Int64
+	var wg sync.WaitGroup
+
+	for i := 0; i < o.workers; i++ {
+		wg.Add(1)
+		go func(workerID int) {
+			defer wg.Done()
+			for job := range work {
+				select {
+				case <-ctx.Done():
+					return
+				default:
+				}
+
+				if o.store.ChapterExists(ctx, job.slug, job.ref) {
+					o.log.Debug("chapter already exists, skipping",
+						"slug", job.slug, "chapter", job.ref.Number)
+					skipped.Add(1)
+					continue
+				}
+
+				ch, err := o.novel.ScrapeChapterText(ctx, job.ref)
+				if err != nil {
+					o.log.Error("chapter scrape failed",
+						"slug", job.slug, "chapter", job.ref.Number, "err", err)
+					errors.Add(1)
+					continue
+				}
+
+				if err := o.store.WriteChapter(ctx, job.slug, ch); err != nil {
+					o.log.Error("chapter write failed",
+						"slug", job.slug, "chapter", job.ref.Number, "err", err)
+					errors.Add(1)
+					continue
+				}
+
+				n := scraped.Add(1)
+				// Log a progress summary every 25 chapters scraped.
+				if n%25 == 0 {
+					o.log.Info("scraping chapters",
+						"slug", job.slug, "scraped", n, "total", job.total)
+				}
+			}
+		}(i)
+	}
+
+	// Count how many chapters will actually be enqueued (for progress logging).
+	toScrape := 0
+	for _, ref := range refs {
+		if task.FromChapter > 0 && ref.Number < task.FromChapter {
+			continue
+		}
+		if task.ToChapter > 0 && ref.Number > task.ToChapter {
+			continue
+		}
+		toScrape++
+	}
+
+	// Enqueue chapter jobs respecting the optional range filter from the task.
+	for _, ref := range refs {
+		if task.FromChapter > 0 && ref.Number < task.FromChapter {
+			skipped.Add(1)
+			continue
+		}
+		if task.ToChapter > 0 && ref.Number > task.ToChapter {
+			skipped.Add(1)
+			continue
+		}
+		select {
+		case <-ctx.Done():
+			goto drain
+		case work <- chapterJob{slug: meta.Slug, ref: ref, total: toScrape}:
+		}
+	}
+
+drain:
+	close(work)
+	wg.Wait()
+
+	result.ChaptersScraped = int(scraped.Load())
+	result.ChaptersSkipped = int(skipped.Load())
+	result.Errors += int(errors.Load())
+
+	o.log.Info("book scrape finished",
+		"slug", meta.Slug,
+		"scraped", result.ChaptersScraped,
+		"skipped", result.ChaptersSkipped,
+		"errors", result.Errors,
+	)
+	return result
+}

backend/internal/orchestrator/orchestrator_test.go

@@ -0,0 +1,210 @@
+package orchestrator
+
+import (
+	"context"
+	"errors"
+	"sync"
+	"testing"
+
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// ── stubs ─────────────────────────────────────────────────────────────────────
+
+type stubScraper struct {
+	meta     domain.BookMeta
+	metaErr  error
+	refs     []domain.ChapterRef
+	refsErr  error
+	chapters map[int]domain.Chapter
+	chapErr  map[int]error
+}
+
+func (s *stubScraper) SourceName() string { return "stub" }
+
+func (s *stubScraper) ScrapeCatalogue(ctx context.Context) (<-chan domain.CatalogueEntry, <-chan error) {
+	ch := make(chan domain.CatalogueEntry)
+	errs := make(chan error)
+	close(ch)
+	close(errs)
+	return ch, errs
+}
+
+func (s *stubScraper) ScrapeMetadata(_ context.Context, _ string) (domain.BookMeta, error) {
+	return s.meta, s.metaErr
+}
+
+func (s *stubScraper) ScrapeChapterList(_ context.Context, _ string, _ int) ([]domain.ChapterRef, error) {
+	return s.refs, s.refsErr
+}
+
+func (s *stubScraper) ScrapeChapterText(_ context.Context, ref domain.ChapterRef) (domain.Chapter, error) {
+	if s.chapErr != nil {
+		if err, ok := s.chapErr[ref.Number]; ok {
+			return domain.Chapter{}, err
+		}
+	}
+	if s.chapters != nil {
+		if ch, ok := s.chapters[ref.Number]; ok {
+			return ch, nil
+		}
+	}
+	return domain.Chapter{Ref: ref, Text: "text"}, nil
+}
+
+func (s *stubScraper) ScrapeRanking(ctx context.Context, maxPages int) (<-chan domain.BookMeta, <-chan error) {
+	ch := make(chan domain.BookMeta)
+	errs := make(chan error)
+	close(ch)
+	close(errs)
+	return ch, errs
+}
+
+type stubStore struct {
+	mu              sync.Mutex
+	metaWritten     []domain.BookMeta
+	chaptersWritten []domain.Chapter
+	existing        map[string]bool // "slug:N" → exists
+	writeMetaErr    error
+}
+
+func (s *stubStore) WriteMetadata(_ context.Context, meta domain.BookMeta) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if s.writeMetaErr != nil {
+		return s.writeMetaErr
+	}
+	s.metaWritten = append(s.metaWritten, meta)
+	return nil
+}
+
+func (s *stubStore) WriteChapter(_ context.Context, slug string, ch domain.Chapter) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	s.chaptersWritten = append(s.chaptersWritten, ch)
+	return nil
+}
+
+func (s *stubStore) WriteChapterRefs(_ context.Context, _ string, _ []domain.ChapterRef) error {
+	return nil
+}
+
+func (s *stubStore) ChapterExists(_ context.Context, slug string, ref domain.ChapterRef) bool {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	key := slug + ":" + string(rune('0'+ref.Number))
+	return s.existing[key]
+}
+
+// ── tests ──────────────────────────────────────────────────────────────────────
+
+func TestRunBook_HappyPath(t *testing.T) {
+	sc := &stubScraper{
+		meta: domain.BookMeta{Slug: "test-book", Title: "Test Book", SourceURL: "https://example.com/book/test-book"},
+		refs: []domain.ChapterRef{
+			{Number: 1, Title: "Ch 1", URL: "https://example.com/book/test-book/chapter-1"},
+			{Number: 2, Title: "Ch 2", URL: "https://example.com/book/test-book/chapter-2"},
+			{Number: 3, Title: "Ch 3", URL: "https://example.com/book/test-book/chapter-3"},
+		},
+	}
+	st := &stubStore{}
+	o := New(Config{Workers: 2}, sc, st, nil)
+
+	task := domain.ScrapeTask{
+		ID:        "t1",
+		Kind:      "book",
+		TargetURL: "https://example.com/book/test-book",
+	}
+
+	result := o.RunBook(context.Background(), task)
+
+	if result.ErrorMessage != "" {
+		t.Fatalf("unexpected error: %s", result.ErrorMessage)
+	}
+	if result.BooksFound != 1 {
+		t.Errorf("BooksFound = %d, want 1", result.BooksFound)
+	}
+	if result.ChaptersScraped != 3 {
+		t.Errorf("ChaptersScraped = %d, want 3", result.ChaptersScraped)
+	}
+}
+
+func TestRunBook_MetadataError(t *testing.T) {
+	sc := &stubScraper{metaErr: errors.New("404 not found")}
+	st := &stubStore{}
+	o := New(Config{Workers: 1}, sc, st, nil)
+
+	result := o.RunBook(context.Background(), domain.ScrapeTask{
+		ID:        "t2",
+		TargetURL: "https://example.com/book/missing",
+	})
+
+	if result.ErrorMessage == "" {
+		t.Fatal("expected ErrorMessage to be set")
+	}
+	if result.Errors != 1 {
+		t.Errorf("Errors = %d, want 1", result.Errors)
+	}
+}
+
+func TestRunBook_ChapterRange(t *testing.T) {
+	sc := &stubScraper{
+		meta: domain.BookMeta{Slug: "range-book", SourceURL: "https://example.com/book/range-book"},
+		refs: func() []domain.ChapterRef {
+			var refs []domain.ChapterRef
+			for i := 1; i <= 10; i++ {
+				refs = append(refs, domain.ChapterRef{Number: i, URL: "https://example.com/book/range-book/chapter-" + string(rune('0'+i))})
+			}
+			return refs
+		}(),
+	}
+	st := &stubStore{}
+	o := New(Config{Workers: 2}, sc, st, nil)
+
+	result := o.RunBook(context.Background(), domain.ScrapeTask{
+		ID:          "t3",
+		TargetURL:   "https://example.com/book/range-book",
+		FromChapter: 3,
+		ToChapter:   7,
+	})
+
+	if result.ErrorMessage != "" {
+		t.Fatalf("unexpected error: %s", result.ErrorMessage)
+	}
+	// chapters 3–7 = 5 scraped, chapters 1-2 and 8-10 = 5 skipped
+	if result.ChaptersScraped != 5 {
+		t.Errorf("ChaptersScraped = %d, want 5", result.ChaptersScraped)
+	}
+	if result.ChaptersSkipped != 5 {
+		t.Errorf("ChaptersSkipped = %d, want 5", result.ChaptersSkipped)
+	}
+}
+
+func TestRunBook_ContextCancellation(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+
+	sc := &stubScraper{
+		meta: domain.BookMeta{Slug: "ctx-book", SourceURL: "https://example.com/book/ctx-book"},
+		refs: []domain.ChapterRef{
+			{Number: 1, URL: "https://example.com/book/ctx-book/chapter-1"},
+		},
+	}
+	st := &stubStore{}
+	o := New(Config{Workers: 1}, sc, st, nil)
+
+	// Should not panic; result may have errors or zero chapters.
+	result := o.RunBook(ctx, domain.ScrapeTask{
+		ID:        "t4",
+		TargetURL: "https://example.com/book/ctx-book",
+	})
+	_ = result
+}
+
+func TestRunBook_EmptyTargetURL(t *testing.T) {
+	o := New(Config{Workers: 1}, &stubScraper{}, &stubStore{}, nil)
+	result := o.RunBook(context.Background(), domain.ScrapeTask{ID: "t5"})
+	if result.ErrorMessage == "" {
+		t.Fatal("expected ErrorMessage for empty target URL")
+	}
+}

backend/internal/presigncache/cache.go

@@ -0,0 +1,96 @@
+// Package presigncache provides a Valkey (Redis-compatible) backed cache for
+// MinIO presigned URLs. The backend generates presigned URLs and stores them
+// here with a TTL; subsequent requests for the same key return the cached URL
+// without re-contacting MinIO.
+//
+// Design:
+//   - Cache is intentionally best-effort: Get returns ("", false, nil) on any
+//     Valkey error, so callers always have a fallback path to regenerate.
+//   - Set silently drops errors — a miss on the next request is acceptable.
+//   - TTL should be set shorter than the actual presigned URL lifetime so that
+//     cached URLs are always valid when served. Recommended: 55 minutes for a
+//     1-hour presigned URL.
+package presigncache
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+)
+
+// Cache is the interface for presign URL caching.
+// Implementations must be safe for concurrent use.
+type Cache interface {
+	// Get returns the cached URL for key. ok is false on cache miss or error.
+	Get(ctx context.Context, key string) (url string, ok bool, err error)
+	// Set stores url under key with the given TTL.
+	Set(ctx context.Context, key, url string, ttl time.Duration) error
+	// Delete removes key from the cache.
+	Delete(ctx context.Context, key string) error
+}
+
+// ValkeyCache is a Cache backed by Valkey / Redis via go-redis.
+type ValkeyCache struct {
+	rdb *redis.Client
+}
+
+// New creates a ValkeyCache connecting to addr (e.g. "valkey:6379").
+// The connection is not established until the first command; use Ping to
+// verify connectivity at startup.
+func New(addr string) *ValkeyCache {
+	rdb := redis.NewClient(&redis.Options{
+		Addr:         addr,
+		DialTimeout:  2 * time.Second,
+		ReadTimeout:  1 * time.Second,
+		WriteTimeout: 1 * time.Second,
+	})
+	return &ValkeyCache{rdb: rdb}
+}
+
+// Ping checks connectivity. Call once at startup.
+func (c *ValkeyCache) Ping(ctx context.Context) error {
+	if err := c.rdb.Ping(ctx).Err(); err != nil {
+		return fmt.Errorf("presigncache: ping valkey: %w", err)
+	}
+	return nil
+}
+
+// Get returns (url, true, nil) on hit, ("", false, nil) on miss, and
+// ("", false, err) only on unexpected errors (not redis.Nil).
+func (c *ValkeyCache) Get(ctx context.Context, key string) (string, bool, error) {
+	val, err := c.rdb.Get(ctx, key).Result()
+	if err == redis.Nil {
+		return "", false, nil
+	}
+	if err != nil {
+		return "", false, fmt.Errorf("presigncache: get %q: %w", key, err)
+	}
+	return val, true, nil
+}
+
+// Set stores url under key with ttl. Errors are returned but are non-fatal
+// for callers — a Set failure means the next request will miss and regenerate.
+func (c *ValkeyCache) Set(ctx context.Context, key, url string, ttl time.Duration) error {
+	if err := c.rdb.Set(ctx, key, url, ttl).Err(); err != nil {
+		return fmt.Errorf("presigncache: set %q: %w", key, err)
+	}
+	return nil
+}
+
+// Delete removes key from the cache. It is not an error if the key does not exist.
+func (c *ValkeyCache) Delete(ctx context.Context, key string) error {
+	if err := c.rdb.Del(ctx, key).Err(); err != nil {
+		return fmt.Errorf("presigncache: delete %q: %w", key, err)
+	}
+	return nil
+}
+
+// NoopCache is a no-op Cache that always returns a miss. Used when Valkey is
+// not configured (e.g. local development without Docker).
+type NoopCache struct{}
+
+func (NoopCache) Get(_ context.Context, _ string) (string, bool, error)     { return "", false, nil }
+func (NoopCache) Set(_ context.Context, _, _ string, _ time.Duration) error { return nil }
+func (NoopCache) Delete(_ context.Context, _ string) error                  { return nil }

backend/internal/runner/catalogue_refresh.go

@@ -0,0 +1,185 @@
+package runner
+
+// catalogue_refresh.go — independent loop that walks the full novelfire.net
+// catalogue, scrapes per-book metadata, downloads cover images to MinIO, and
+// indexes every book in Meilisearch.
+//
+// Design:
+//   - Runs on its own ticker (CatalogueRefreshInterval, default 24h) inside Run().
+//   - Also fires once on startup.
+//   - ScrapeCatalogue streams CatalogueEntry values over a channel — we iterate
+//     and call ScrapeMetadata for each entry.
+//   - Per-request random jitter (1–3s) prevents hammering novelfire.net.
+//   - Cover images are fetched from the URL embedded in BookMeta.Cover and
+//     stored in MinIO (browse bucket, key: covers/{slug}.jpg).
+//   - WriteMetadata + UpsertBook are called for every successfully scraped book.
+//   - Errors for individual books are logged and skipped; the loop continues.
+//   - The cover URL stored in BookMeta.Cover is rewritten to the internal proxy
+//     path (/api/cover/novelfire.net/{slug}) so the UI always fetches via the
+//     backend, which will serve from MinIO.
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"math/rand"
+	"net/http"
+	"time"
+)
+
+// runCatalogueRefresh performs one full catalogue walk: scrapes metadata for
+// every book on novelfire.net, downloads covers to MinIO, and upserts to
+// Meilisearch. Errors for individual books are logged and skipped.
+func (r *Runner) runCatalogueRefresh(ctx context.Context) {
+	if r.deps.Novel == nil {
+		r.deps.Log.Warn("runner: catalogue refresh skipped — Novel scraper not configured")
+		return
+	}
+	if r.deps.BookWriter == nil {
+		r.deps.Log.Warn("runner: catalogue refresh skipped — BookWriter not configured")
+		return
+	}
+
+	log := r.deps.Log.With("op", "catalogue_refresh")
+	log.Info("runner: catalogue refresh starting")
+
+	entries, errCh := r.deps.Novel.ScrapeCatalogue(ctx)
+
+	ok, skipped, errCount := 0, 0, 0
+	for entry := range entries {
+		if ctx.Err() != nil {
+			break
+		}
+
+		// Skip books already present in Meilisearch — they were indexed on a
+		// previous run. Re-indexing only happens when a scrape task is
+		// explicitly enqueued (e.g. via the admin UI or API).
+		if r.deps.SearchIndex.BookExists(ctx, entry.Slug) {
+			skipped++
+			continue
+		}
+
+		// Random jitter between books to avoid rate-limiting.
+		jitter := time.Duration(1000+rand.Intn(2000)) * time.Millisecond
+		select {
+		case <-ctx.Done():
+			break
+		case <-time.After(jitter):
+		}
+
+		meta, err := r.deps.Novel.ScrapeMetadata(ctx, entry.URL)
+		if err != nil {
+			log.Warn("runner: catalogue refresh: metadata scrape failed",
+				"url", entry.URL, "err", err)
+			errCount++
+			continue
+		}
+
+		// Rewrite cover URL to backend proxy path so UI never hits CDN directly.
+		originalCover := meta.Cover
+		meta.Cover = fmt.Sprintf("/api/cover/novelfire.net/%s", meta.Slug)
+
+		// Persist to PocketBase.
+		if err := r.deps.BookWriter.WriteMetadata(ctx, meta); err != nil {
+			log.Warn("runner: catalogue refresh: WriteMetadata failed",
+				"slug", meta.Slug, "err", err)
+			errCount++
+			continue
+		}
+
+		// Index in Meilisearch.
+		if err := r.deps.SearchIndex.UpsertBook(ctx, meta); err != nil {
+			log.Warn("runner: catalogue refresh: UpsertBook failed",
+				"slug", meta.Slug, "err", err)
+			// non-fatal — continue
+		}
+
+		// Download and store cover image in MinIO if we have a cover URL
+		// and a CoverStore is wired in.
+		if r.deps.CoverStore != nil && originalCover != "" {
+			if !r.deps.CoverStore.CoverExists(ctx, meta.Slug) {
+				if err := r.downloadCover(ctx, meta.Slug, originalCover); err != nil {
+					log.Warn("runner: catalogue refresh: cover download failed",
+						"slug", meta.Slug, "url", originalCover, "err", err)
+					// non-fatal
+				}
+			}
+		}
+
+		ok++
+		if ok%100 == 0 {
+			log.Info("runner: catalogue refresh progress",
+				"scraped", ok, "errors", errCount)
+		}
+	}
+
+	if err := <-errCh; err != nil {
+		log.Warn("runner: catalogue refresh: catalogue stream error", "err", err)
+	}
+
+	log.Info("runner: catalogue refresh finished",
+		"ok", ok, "skipped", skipped, "errors", errCount)
+}
+
+// downloadCover fetches the cover image from coverURL and stores it in MinIO
+// under covers/{slug}.jpg. It retries up to 3 times with exponential backoff
+// on transient errors (5xx, network failures).
+func (r *Runner) downloadCover(ctx context.Context, slug, coverURL string) error {
+	const maxRetries = 3
+	delay := 2 * time.Second
+
+	var lastErr error
+	for attempt := 0; attempt < maxRetries; attempt++ {
+		if ctx.Err() != nil {
+			return ctx.Err()
+		}
+		if attempt > 0 {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			case <-time.After(delay):
+			}
+			delay *= 2
+		}
+
+		data, err := fetchCoverBytes(ctx, coverURL)
+		if err != nil {
+			lastErr = err
+			continue
+		}
+
+		if err := r.deps.CoverStore.PutCover(ctx, slug, data, ""); err != nil {
+			return fmt.Errorf("put cover: %w", err)
+		}
+		return nil
+	}
+	return fmt.Errorf("download cover after %d retries: %w", maxRetries, lastErr)
+}
+
+// fetchCoverBytes performs a single HTTP GET for coverURL and returns the body.
+func fetchCoverBytes(ctx context.Context, coverURL string) ([]byte, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, coverURL, nil)
+	if err != nil {
+		return nil, fmt.Errorf("build request: %w", err)
+	}
+	req.Header.Set("User-Agent", "Mozilla/5.0 (compatible; libnovel-runner/2)")
+	req.Header.Set("Referer", "https://novelfire.net/")
+
+	client := &http.Client{Timeout: 30 * time.Second}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("http get: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 500 {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		return nil, fmt.Errorf("upstream %d for %s", resp.StatusCode, coverURL)
+	}
+	if resp.StatusCode != http.StatusOK {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		return nil, fmt.Errorf("unexpected status %d for %s", resp.StatusCode, coverURL)
+	}
+
+	return io.ReadAll(io.LimitReader(resp.Body, 5<<20)) // 5 MiB cap
+}

backend/internal/runner/helpers.go

@@ -0,0 +1,21 @@
+package runner
+
+import (
+	"regexp"
+	"strings"
+)
+
+// stripMarkdown removes common markdown syntax from src, returning plain text
+// suitable for TTS. Mirrors the helper in the scraper's server package.
+func stripMarkdown(src string) string {
+	src = regexp.MustCompile(`(?m)^#{1,6}\s+`).ReplaceAllString(src, "")
+	src = regexp.MustCompile(`\*{1,3}|_{1,3}`).ReplaceAllString(src, "")
+	src = regexp.MustCompile("(?s)```.*?```").ReplaceAllString(src, "")
+	src = regexp.MustCompile("`[^`]*`").ReplaceAllString(src, "")
+	src = regexp.MustCompile(`\[([^\]]+)\]\([^)]+\)`).ReplaceAllString(src, "$1")
+	src = regexp.MustCompile(`!\[[^\]]*\]\([^)]+\)`).ReplaceAllString(src, "")
+	src = regexp.MustCompile(`(?m)^>\s?`).ReplaceAllString(src, "")
+	src = regexp.MustCompile(`(?m)^[-*_]{3,}\s*$`).ReplaceAllString(src, "")
+	src = regexp.MustCompile(`\n{3,}`).ReplaceAllString(src, "\n\n")
+	return strings.TrimSpace(src)
+}

backend/internal/runner/metrics.go

@@ -0,0 +1,92 @@
+package runner
+
+// metrics.go — lightweight HTTP metrics endpoint for the runner.
+//
+// GET /metrics returns a JSON document with live task counters and uptime.
+// No external dependency (no Prometheus); plain net/http only.
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net"
+	"net/http"
+	"time"
+)
+
+// metricsServer serves GET /metrics for the runner process.
+type metricsServer struct {
+	addr string
+	r    *Runner
+	log  *slog.Logger
+}
+
+func newMetricsServer(addr string, r *Runner, log *slog.Logger) *metricsServer {
+	return &metricsServer{addr: addr, r: r, log: log}
+}
+
+// ListenAndServe starts the HTTP server and blocks until ctx is cancelled or
+// a fatal listen error occurs.
+func (ms *metricsServer) ListenAndServe(ctx context.Context) error {
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /metrics", ms.handleMetrics)
+	mux.HandleFunc("GET /health", ms.handleHealth)
+
+	srv := &http.Server{
+		Addr:         ms.addr,
+		Handler:      mux,
+		ReadTimeout:  5 * time.Second,
+		WriteTimeout: 5 * time.Second,
+		BaseContext:  func(_ net.Listener) context.Context { return ctx },
+	}
+
+	errCh := make(chan error, 1)
+	go func() {
+		ms.log.Info("runner: metrics server listening", "addr", ms.addr)
+		errCh <- srv.ListenAndServe()
+	}()
+
+	select {
+	case <-ctx.Done():
+		shutCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		_ = srv.Shutdown(shutCtx)
+		return nil
+	case err := <-errCh:
+		return fmt.Errorf("runner: metrics server: %w", err)
+	}
+}
+
+// handleMetrics handles GET /metrics.
+// Response shape (JSON):
+//
+//	{
+//	  "tasks_running":   N,
+//	  "tasks_completed": N,
+//	  "tasks_failed":    N,
+//	  "uptime_seconds":  N
+//	}
+func (ms *metricsServer) handleMetrics(w http.ResponseWriter, _ *http.Request) {
+	uptimeSec := int64(time.Since(ms.r.startedAt).Seconds())
+	metricsWriteJSON(w, 0, map[string]int64{
+		"tasks_running":   ms.r.tasksRunning.Load(),
+		"tasks_completed": ms.r.tasksCompleted.Load(),
+		"tasks_failed":    ms.r.tasksFailed.Load(),
+		"uptime_seconds":  uptimeSec,
+	})
+}
+
+// handleHealth handles GET /health — simple liveness probe for the metrics server.
+func (ms *metricsServer) handleHealth(w http.ResponseWriter, _ *http.Request) {
+	metricsWriteJSON(w, 0, map[string]string{"status": "ok"})
+}
+
+// metricsWriteJSON writes v as a JSON response with the given status code.
+func metricsWriteJSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	if status != 0 {
+		w.WriteHeader(status)
+	}
+	_ = json.NewEncoder(w).Encode(v)
+}

backend/internal/runner/runner.go

@@ -0,0 +1,449 @@
+// Package runner implements the worker loop that polls PocketBase for pending
+// scrape and audio tasks, executes them, and reports results back.
+//
+// Design:
+//   - Run(ctx) loops on a ticker; each tick claims and dispatches pending tasks.
+//   - Scrape tasks are dispatched to the Orchestrator (one goroutine per task,
+//     up to MaxConcurrentScrape).
+//   - Audio tasks fetch chapter text, call Kokoro, upload to MinIO, and report
+//     the result back (up to MaxConcurrentAudio goroutines).
+//   - The runner is stateless between ticks; all state lives in PocketBase.
+//   - Atomic task counters are exposed via /metrics (see metrics.go).
+//   - Books are indexed in Meilisearch via an orchestrator.Config.PostMetadata
+//     hook injected at construction time.
+package runner
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/libnovel/backend/internal/bookstore"
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/kokoro"
+	"github.com/libnovel/backend/internal/meili"
+	"github.com/libnovel/backend/internal/orchestrator"
+	"github.com/libnovel/backend/internal/scraper"
+	"github.com/libnovel/backend/internal/taskqueue"
+)
+
+// Config tunes the runner behaviour.
+type Config struct {
+	// WorkerID uniquely identifies this runner instance in PocketBase records.
+	WorkerID string
+	// PollInterval is how often the runner checks for new tasks.
+	PollInterval time.Duration
+	// MaxConcurrentScrape limits simultaneous book-scrape goroutines.
+	MaxConcurrentScrape int
+	// MaxConcurrentAudio limits simultaneous audio-generation goroutines.
+	MaxConcurrentAudio int
+	// OrchestratorWorkers is the chapter-scraping parallelism inside each book run.
+	OrchestratorWorkers int
+	// HeartbeatInterval is how often active tasks PATCH their heartbeat_at
+	// timestamp to signal they are still alive. Defaults to 30s when 0.
+	HeartbeatInterval time.Duration
+	// StaleTaskThreshold is how old a heartbeat must be (or absent) before the
+	// task is considered orphaned and reset to pending. Defaults to 2m when 0.
+	StaleTaskThreshold time.Duration
+	// CatalogueRefreshInterval is how often the runner walks the full catalogue,
+	// scrapes per-book metadata, downloads covers, and re-indexes everything in
+	// Meilisearch. Defaults to 24h (expensive — full catalogue walk).
+	CatalogueRefreshInterval time.Duration
+	// SkipInitialCatalogueRefresh suppresses the immediate catalogue walk that
+	// otherwise fires at startup. The periodic ticker (CatalogueRefreshInterval)
+	// still fires normally. Set RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH=true for
+	// quick restarts where the catalogue is already up to date.
+	SkipInitialCatalogueRefresh bool
+	// MetricsAddr is the HTTP listen address for the /metrics endpoint.
+	// Defaults to ":9091". Set to "" to disable.
+	MetricsAddr string
+}
+
+// Dependencies are the external services the runner depends on.
+type Dependencies struct {
+	// Consumer claims tasks from PocketBase.
+	Consumer taskqueue.Consumer
+	// BookWriter persists scraped data (used by orchestrator).
+	BookWriter bookstore.BookWriter
+	// BookReader reads chapter text for audio generation.
+	BookReader bookstore.BookReader
+	// AudioStore persists generated audio and checks key existence.
+	AudioStore bookstore.AudioStore
+	// CoverStore stores book cover images in MinIO.
+	CoverStore bookstore.CoverStore
+	// SearchIndex indexes books in Meilisearch after scraping.
+	// If nil a no-op is used.
+	SearchIndex meili.Client
+	// Novel is the scraper implementation.
+	Novel scraper.NovelScraper
+	// Kokoro is the TTS client.
+	Kokoro kokoro.Client
+	// Log is the structured logger.
+	Log *slog.Logger
+}
+
+// Runner is the main worker process.
+type Runner struct {
+	cfg  Config
+	deps Dependencies
+
+	// Atomic task counters — read by /metrics without locking.
+	tasksRunning   atomic.Int64
+	tasksCompleted atomic.Int64
+	tasksFailed    atomic.Int64
+
+	startedAt time.Time
+}
+
+// New creates a Runner from cfg and deps.
+func New(cfg Config, deps Dependencies) *Runner {
+	if cfg.PollInterval <= 0 {
+		cfg.PollInterval = 30 * time.Second
+	}
+	if cfg.MaxConcurrentScrape <= 0 {
+		cfg.MaxConcurrentScrape = 2
+	}
+	if cfg.MaxConcurrentAudio <= 0 {
+		cfg.MaxConcurrentAudio = 1
+	}
+	if cfg.WorkerID == "" {
+		cfg.WorkerID = "runner"
+	}
+	if cfg.HeartbeatInterval <= 0 {
+		cfg.HeartbeatInterval = 30 * time.Second
+	}
+	if cfg.StaleTaskThreshold <= 0 {
+		cfg.StaleTaskThreshold = 2 * time.Minute
+	}
+	if cfg.CatalogueRefreshInterval <= 0 {
+		cfg.CatalogueRefreshInterval = 24 * time.Hour
+	}
+	if cfg.MetricsAddr == "" {
+		cfg.MetricsAddr = ":9091"
+	}
+	if deps.Log == nil {
+		deps.Log = slog.Default()
+	}
+	if deps.SearchIndex == nil {
+		deps.SearchIndex = meili.NoopClient{}
+	}
+	return &Runner{cfg: cfg, deps: deps, startedAt: time.Now()}
+}
+
+// Run starts the poll loop and the metrics HTTP server, blocking until ctx is
+// cancelled.
+func (r *Runner) Run(ctx context.Context) error {
+	r.deps.Log.Info("runner: starting",
+		"worker_id", r.cfg.WorkerID,
+		"poll_interval", r.cfg.PollInterval,
+		"max_scrape", r.cfg.MaxConcurrentScrape,
+		"max_audio", r.cfg.MaxConcurrentAudio,
+		"catalogue_refresh_interval", r.cfg.CatalogueRefreshInterval,
+		"metrics_addr", r.cfg.MetricsAddr,
+	)
+
+	// Start metrics HTTP server in background if configured.
+	if r.cfg.MetricsAddr != "" {
+		ms := newMetricsServer(r.cfg.MetricsAddr, r, r.deps.Log)
+		go func() {
+			if err := ms.ListenAndServe(ctx); err != nil {
+				r.deps.Log.Error("runner: metrics server error", "err", err)
+			}
+		}()
+	}
+
+	scrapeSem := make(chan struct{}, r.cfg.MaxConcurrentScrape)
+	audioSem := make(chan struct{}, r.cfg.MaxConcurrentAudio)
+	var wg sync.WaitGroup
+
+	tick := time.NewTicker(r.cfg.PollInterval)
+	defer tick.Stop()
+
+	catalogueTick := time.NewTicker(r.cfg.CatalogueRefreshInterval)
+	defer catalogueTick.Stop()
+
+	// Run one catalogue refresh immediately on startup (unless skipped by flag).
+	if !r.cfg.SkipInitialCatalogueRefresh {
+		go r.runCatalogueRefresh(ctx)
+	} else {
+		r.deps.Log.Info("runner: skipping initial catalogue refresh (RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH=true)")
+	}
+
+	// Run one poll immediately on startup, then on each tick.
+	for {
+		r.poll(ctx, scrapeSem, audioSem, &wg)
+
+		select {
+		case <-ctx.Done():
+			r.deps.Log.Info("runner: context cancelled, draining active tasks")
+			done := make(chan struct{})
+			go func() {
+				wg.Wait()
+				close(done)
+			}()
+			select {
+			case <-done:
+				r.deps.Log.Info("runner: all tasks drained, exiting")
+			case <-time.After(2 * time.Minute):
+				r.deps.Log.Warn("runner: drain timeout exceeded, forcing exit")
+			}
+			return nil
+		case <-catalogueTick.C:
+			go r.runCatalogueRefresh(ctx)
+		case <-tick.C:
+		}
+	}
+}
+
+// poll claims all available pending tasks and dispatches them to goroutines.
+func (r *Runner) poll(ctx context.Context, scrapeSem, audioSem chan struct{}, wg *sync.WaitGroup) {
+	// ── Heartbeat file ────────────────────────────────────────────────────
+	// Touch /tmp/runner.alive so the Docker health check can confirm the
+	// runner is actively polling. Failure is non-fatal — just log it.
+	if f, err := os.Create("/tmp/runner.alive"); err != nil {
+		r.deps.Log.Warn("runner: could not write heartbeat file", "err", err)
+	} else {
+		f.Close()
+	}
+
+	// ── Reap orphaned tasks ───────────────────────────────────────────────
+	if n, err := r.deps.Consumer.ReapStaleTasks(ctx, r.cfg.StaleTaskThreshold); err != nil {
+		r.deps.Log.Warn("runner: reap stale tasks failed", "err", err)
+	} else if n > 0 {
+		r.deps.Log.Info("runner: reaped stale tasks", "count", n)
+	}
+
+	// ── Scrape tasks ──────────────────────────────────────────────────────
+	for {
+		if ctx.Err() != nil {
+			return
+		}
+		task, ok, err := r.deps.Consumer.ClaimNextScrapeTask(ctx, r.cfg.WorkerID)
+		if err != nil {
+			r.deps.Log.Error("runner: ClaimNextScrapeTask failed", "err", err)
+			break
+		}
+		if !ok {
+			break
+		}
+		select {
+		case scrapeSem <- struct{}{}:
+		default:
+			r.deps.Log.Warn("runner: scrape semaphore full, will retry next tick",
+				"task_id", task.ID)
+			break
+		}
+		r.tasksRunning.Add(1)
+		wg.Add(1)
+		go func(t domain.ScrapeTask) {
+			defer wg.Done()
+			defer func() { <-scrapeSem }()
+			defer r.tasksRunning.Add(-1)
+			r.runScrapeTask(ctx, t)
+		}(task)
+	}
+
+	// ── Audio tasks ───────────────────────────────────────────────────────
+	// Only claim tasks when there is a free slot in the semaphore.
+	// This avoids the old bug where we claimed (status→running) a task and
+	// then couldn't dispatch it, leaving it orphaned until the reaper fired.
+audioLoop:
+	for {
+		if ctx.Err() != nil {
+			return
+		}
+		// Check capacity before claiming to avoid orphaning tasks.
+		select {
+		case audioSem <- struct{}{}:
+			// Slot acquired — proceed to claim a task.
+		default:
+			// All slots busy; leave remaining pending tasks for next tick.
+			break audioLoop
+		}
+		task, ok, err := r.deps.Consumer.ClaimNextAudioTask(ctx, r.cfg.WorkerID)
+		if err != nil {
+			<-audioSem // release the pre-acquired slot
+			r.deps.Log.Error("runner: ClaimNextAudioTask failed", "err", err)
+			break
+		}
+		if !ok {
+			<-audioSem // release the pre-acquired slot; queue empty
+			break
+		}
+		r.tasksRunning.Add(1)
+		wg.Add(1)
+		go func(t domain.AudioTask) {
+			defer wg.Done()
+			defer func() { <-audioSem }()
+			defer r.tasksRunning.Add(-1)
+			r.runAudioTask(ctx, t)
+		}(task)
+	}
+}
+
+// newOrchestrator builds an orchestrator with the Meilisearch post-hook wired in.
+func (r *Runner) newOrchestrator() *orchestrator.Orchestrator {
+	oCfg := orchestrator.Config{
+		Workers: r.cfg.OrchestratorWorkers,
+		PostMetadata: func(ctx context.Context, meta domain.BookMeta) {
+			if err := r.deps.SearchIndex.UpsertBook(ctx, meta); err != nil {
+				r.deps.Log.Warn("runner: meilisearch upsert failed",
+					"slug", meta.Slug, "err", err)
+			}
+		},
+	}
+	return orchestrator.New(oCfg, r.deps.Novel, r.deps.BookWriter, r.deps.Log)
+}
+
+// runScrapeTask executes one scrape task end-to-end and reports the result.
+func (r *Runner) runScrapeTask(ctx context.Context, task domain.ScrapeTask) {
+	log := r.deps.Log.With("task_id", task.ID, "kind", task.Kind, "url", task.TargetURL)
+	log.Info("runner: scrape task starting")
+
+	hbCtx, hbCancel := context.WithCancel(ctx)
+	defer hbCancel()
+	go func() {
+		tick := time.NewTicker(r.cfg.HeartbeatInterval)
+		defer tick.Stop()
+		for {
+			select {
+			case <-hbCtx.Done():
+				return
+			case <-tick.C:
+				if err := r.deps.Consumer.HeartbeatTask(ctx, task.ID); err != nil {
+					log.Warn("runner: heartbeat failed", "err", err)
+				}
+			}
+		}
+	}()
+
+	o := r.newOrchestrator()
+	var result domain.ScrapeResult
+
+	switch task.Kind {
+	case "catalogue":
+		result = r.runCatalogueTask(ctx, task, o, log)
+	case "book", "book_range":
+		result = o.RunBook(ctx, task)
+	default:
+		result.ErrorMessage = fmt.Sprintf("unknown task kind: %q", task.Kind)
+		log.Warn("runner: unknown task kind")
+	}
+
+	if err := r.deps.Consumer.FinishScrapeTask(ctx, task.ID, result); err != nil {
+		log.Error("runner: FinishScrapeTask failed", "err", err)
+	}
+
+	if result.ErrorMessage != "" {
+		r.tasksFailed.Add(1)
+	} else {
+		r.tasksCompleted.Add(1)
+	}
+
+	log.Info("runner: scrape task finished",
+		"scraped", result.ChaptersScraped,
+		"skipped", result.ChaptersSkipped,
+		"errors", result.Errors,
+	)
+}
+
+// runCatalogueTask runs a full catalogue scrape.
+func (r *Runner) runCatalogueTask(ctx context.Context, task domain.ScrapeTask, o *orchestrator.Orchestrator, log *slog.Logger) domain.ScrapeResult {
+	entries, errCh := r.deps.Novel.ScrapeCatalogue(ctx)
+	var result domain.ScrapeResult
+
+	for entry := range entries {
+		if ctx.Err() != nil {
+			break
+		}
+		bookTask := domain.ScrapeTask{
+			ID:        task.ID,
+			Kind:      "book",
+			TargetURL: entry.URL,
+		}
+		bookResult := o.RunBook(ctx, bookTask)
+		result.BooksFound += bookResult.BooksFound + 1
+		result.ChaptersScraped += bookResult.ChaptersScraped
+		result.ChaptersSkipped += bookResult.ChaptersSkipped
+		result.Errors += bookResult.Errors
+	}
+
+	if err := <-errCh; err != nil {
+		log.Warn("runner: catalogue scrape finished with error", "err", err)
+		result.Errors++
+		if result.ErrorMessage == "" {
+			result.ErrorMessage = err.Error()
+		}
+	}
+	return result
+}
+
+// runAudioTask executes one audio-generation task.
+func (r *Runner) runAudioTask(ctx context.Context, task domain.AudioTask) {
+	log := r.deps.Log.With("task_id", task.ID, "slug", task.Slug, "chapter", task.Chapter, "voice", task.Voice)
+	log.Info("runner: audio task starting")
+
+	hbCtx, hbCancel := context.WithCancel(ctx)
+	defer hbCancel()
+	go func() {
+		tick := time.NewTicker(r.cfg.HeartbeatInterval)
+		defer tick.Stop()
+		for {
+			select {
+			case <-hbCtx.Done():
+				return
+			case <-tick.C:
+				if err := r.deps.Consumer.HeartbeatTask(ctx, task.ID); err != nil {
+					log.Warn("runner: heartbeat failed", "err", err)
+				}
+			}
+		}
+	}()
+
+	fail := func(msg string) {
+		log.Error("runner: audio task failed", "reason", msg)
+		r.tasksFailed.Add(1)
+		result := domain.AudioResult{ErrorMessage: msg}
+		if err := r.deps.Consumer.FinishAudioTask(ctx, task.ID, result); err != nil {
+			log.Error("runner: FinishAudioTask failed", "err", err)
+		}
+	}
+
+	raw, err := r.deps.BookReader.ReadChapter(ctx, task.Slug, task.Chapter)
+	if err != nil {
+		fail(fmt.Sprintf("read chapter: %v", err))
+		return
+	}
+	text := stripMarkdown(raw)
+	if text == "" {
+		fail("chapter text is empty after stripping markdown")
+		return
+	}
+
+	if r.deps.Kokoro == nil {
+		fail("kokoro client not configured")
+		return
+	}
+	audioData, err := r.deps.Kokoro.GenerateAudio(ctx, text, task.Voice)
+	if err != nil {
+		fail(fmt.Sprintf("kokoro generate: %v", err))
+		return
+	}
+
+	key := r.deps.AudioStore.AudioObjectKey(task.Slug, task.Chapter, task.Voice)
+	if err := r.deps.AudioStore.PutAudio(ctx, key, audioData); err != nil {
+		fail(fmt.Sprintf("put audio: %v", err))
+		return
+	}
+
+	r.tasksCompleted.Add(1)
+	result := domain.AudioResult{ObjectKey: key}
+	if err := r.deps.Consumer.FinishAudioTask(ctx, task.ID, result); err != nil {
+		log.Error("runner: FinishAudioTask failed", "err", err)
+	}
+	log.Info("runner: audio task finished", "key", key)
+}

backend/internal/runner/runner_test.go

@@ -0,0 +1,365 @@
+package runner_test
+
+import (
+	"context"
+	"errors"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/runner"
+)
+
+// ── Stub types ────────────────────────────────────────────────────────────────
+
+// stubConsumer is a test double for taskqueue.Consumer.
+type stubConsumer struct {
+	scrapeQueue []domain.ScrapeTask
+	audioQueue  []domain.AudioTask
+	scrapeIdx   int
+	audioIdx    int
+	finished    []string
+	failCalled  []string
+	claimErr    error
+}
+
+func (s *stubConsumer) ClaimNextScrapeTask(_ context.Context, _ string) (domain.ScrapeTask, bool, error) {
+	if s.claimErr != nil {
+		return domain.ScrapeTask{}, false, s.claimErr
+	}
+	if s.scrapeIdx >= len(s.scrapeQueue) {
+		return domain.ScrapeTask{}, false, nil
+	}
+	t := s.scrapeQueue[s.scrapeIdx]
+	s.scrapeIdx++
+	return t, true, nil
+}
+
+func (s *stubConsumer) ClaimNextAudioTask(_ context.Context, _ string) (domain.AudioTask, bool, error) {
+	if s.claimErr != nil {
+		return domain.AudioTask{}, false, s.claimErr
+	}
+	if s.audioIdx >= len(s.audioQueue) {
+		return domain.AudioTask{}, false, nil
+	}
+	t := s.audioQueue[s.audioIdx]
+	s.audioIdx++
+	return t, true, nil
+}
+
+func (s *stubConsumer) FinishScrapeTask(_ context.Context, id string, _ domain.ScrapeResult) error {
+	s.finished = append(s.finished, id)
+	return nil
+}
+
+func (s *stubConsumer) FinishAudioTask(_ context.Context, id string, _ domain.AudioResult) error {
+	s.finished = append(s.finished, id)
+	return nil
+}
+
+func (s *stubConsumer) FailTask(_ context.Context, id, _ string) error {
+	s.failCalled = append(s.failCalled, id)
+	return nil
+}
+
+func (s *stubConsumer) HeartbeatTask(_ context.Context, _ string) error { return nil }
+
+func (s *stubConsumer) ReapStaleTasks(_ context.Context, _ time.Duration) (int, error) {
+	return 0, nil
+}
+
+// stubBookWriter satisfies bookstore.BookWriter (no-op).
+type stubBookWriter struct{}
+
+func (s *stubBookWriter) WriteMetadata(_ context.Context, _ domain.BookMeta) error { return nil }
+func (s *stubBookWriter) WriteChapter(_ context.Context, _ string, _ domain.Chapter) error {
+	return nil
+}
+func (s *stubBookWriter) WriteChapterRefs(_ context.Context, _ string, _ []domain.ChapterRef) error {
+	return nil
+}
+func (s *stubBookWriter) ChapterExists(_ context.Context, _ string, _ domain.ChapterRef) bool {
+	return false
+}
+
+// stubBookReader satisfies bookstore.BookReader — returns a single chapter.
+type stubBookReader struct {
+	text    string
+	readErr error
+}
+
+func (s *stubBookReader) ReadChapter(_ context.Context, _ string, _ int) (string, error) {
+	return s.text, s.readErr
+}
+func (s *stubBookReader) ReadMetadata(_ context.Context, _ string) (domain.BookMeta, bool, error) {
+	return domain.BookMeta{}, false, nil
+}
+func (s *stubBookReader) ListBooks(_ context.Context) ([]domain.BookMeta, error) { return nil, nil }
+func (s *stubBookReader) LocalSlugs(_ context.Context) (map[string]bool, error)  { return nil, nil }
+func (s *stubBookReader) MetadataMtime(_ context.Context, _ string) int64        { return 0 }
+func (s *stubBookReader) ListChapters(_ context.Context, _ string) ([]domain.ChapterInfo, error) {
+	return nil, nil
+}
+func (s *stubBookReader) CountChapters(_ context.Context, _ string) int { return 0 }
+func (s *stubBookReader) ReindexChapters(_ context.Context, _ string) (int, error) {
+	return 0, nil
+}
+
+// stubAudioStore satisfies bookstore.AudioStore.
+type stubAudioStore struct {
+	putCalled atomic.Int32
+	putErr    error
+}
+
+func (s *stubAudioStore) AudioObjectKey(slug string, n int, voice string) string {
+	return slug + "/" + string(rune('0'+n)) + "/" + voice + ".mp3"
+}
+func (s *stubAudioStore) AudioExists(_ context.Context, _ string) bool { return false }
+func (s *stubAudioStore) PutAudio(_ context.Context, _ string, _ []byte) error {
+	s.putCalled.Add(1)
+	return s.putErr
+}
+
+// stubNovelScraper satisfies scraper.NovelScraper minimally.
+type stubNovelScraper struct {
+	entries  []domain.CatalogueEntry
+	metaErr  error
+	chapters []domain.ChapterRef
+}
+
+func (s *stubNovelScraper) ScrapeCatalogue(_ context.Context) (<-chan domain.CatalogueEntry, <-chan error) {
+	ch := make(chan domain.CatalogueEntry, len(s.entries))
+	errCh := make(chan error, 1)
+	for _, e := range s.entries {
+		ch <- e
+	}
+	close(ch)
+	close(errCh)
+	return ch, errCh
+}
+
+func (s *stubNovelScraper) ScrapeMetadata(_ context.Context, _ string) (domain.BookMeta, error) {
+	if s.metaErr != nil {
+		return domain.BookMeta{}, s.metaErr
+	}
+	return domain.BookMeta{Slug: "test-book", Title: "Test Book", SourceURL: "https://example.com/book/test-book"}, nil
+}
+
+func (s *stubNovelScraper) ScrapeChapterList(_ context.Context, _ string, _ int) ([]domain.ChapterRef, error) {
+	return s.chapters, nil
+}
+
+func (s *stubNovelScraper) ScrapeChapterText(_ context.Context, ref domain.ChapterRef) (domain.Chapter, error) {
+	return domain.Chapter{Ref: ref, Text: "# Chapter\n\nSome text."}, nil
+}
+
+func (s *stubNovelScraper) ScrapeRanking(_ context.Context, _ int) (<-chan domain.BookMeta, <-chan error) {
+	ch := make(chan domain.BookMeta)
+	errCh := make(chan error, 1)
+	close(ch)
+	close(errCh)
+	return ch, errCh
+}
+
+func (s *stubNovelScraper) SourceName() string { return "stub" }
+
+// stubKokoro satisfies kokoro.Client.
+type stubKokoro struct {
+	data   []byte
+	genErr error
+	called atomic.Int32
+}
+
+func (s *stubKokoro) GenerateAudio(_ context.Context, _, _ string) ([]byte, error) {
+	s.called.Add(1)
+	return s.data, s.genErr
+}
+
+func (s *stubKokoro) ListVoices(_ context.Context) ([]string, error) {
+	return []string{"af_bella"}, nil
+}
+
+// ── stripMarkdown helper ──────────────────────────────────────────────────────
+
+func TestStripMarkdownViaAudioTask(t *testing.T) {
+	// Verify markdown is stripped before sending to Kokoro.
+	// We inject chapter text with markdown; the kokoro stub verifies data flows.
+	consumer := &stubConsumer{
+		audioQueue: []domain.AudioTask{
+			{ID: "a1", Slug: "book", Chapter: 1, Voice: "af_bella", Status: domain.TaskStatusRunning},
+		},
+	}
+	bookReader := &stubBookReader{text: "## Chapter 1\n\nPlain **text** here."}
+	audioStore := &stubAudioStore{}
+	kokoroStub := &stubKokoro{data: []byte("mp3")}
+
+	cfg := runner.Config{
+		WorkerID:     "test",
+		PollInterval: time.Hour, // long poll — we'll cancel manually
+	}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: bookReader,
+		AudioStore: audioStore,
+		Novel:      &stubNovelScraper{},
+		Kokoro:     kokoroStub,
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	_ = r.Run(ctx)
+
+	if kokoroStub.called.Load() != 1 {
+		t.Errorf("expected Kokoro.GenerateAudio called once, got %d", kokoroStub.called.Load())
+	}
+	if audioStore.putCalled.Load() != 1 {
+		t.Errorf("expected PutAudio called once, got %d", audioStore.putCalled.Load())
+	}
+}
+
+func TestAudioTask_ReadChapterError(t *testing.T) {
+	consumer := &stubConsumer{
+		audioQueue: []domain.AudioTask{
+			{ID: "a2", Slug: "book", Chapter: 2, Voice: "af_bella", Status: domain.TaskStatusRunning},
+		},
+	}
+	bookReader := &stubBookReader{readErr: errors.New("chapter not found")}
+	audioStore := &stubAudioStore{}
+	kokoroStub := &stubKokoro{data: []byte("mp3")}
+
+	cfg := runner.Config{WorkerID: "test", PollInterval: time.Hour}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: bookReader,
+		AudioStore: audioStore,
+		Novel:      &stubNovelScraper{},
+		Kokoro:     kokoroStub,
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	_ = r.Run(ctx)
+
+	// Kokoro should not be called; FinishAudioTask should be called with error.
+	if kokoroStub.called.Load() != 0 {
+		t.Errorf("expected Kokoro not called, got %d", kokoroStub.called.Load())
+	}
+	if len(consumer.finished) != 1 {
+		t.Errorf("expected FinishAudioTask called once, got %d", len(consumer.finished))
+	}
+}
+
+func TestAudioTask_KokoroError(t *testing.T) {
+	consumer := &stubConsumer{
+		audioQueue: []domain.AudioTask{
+			{ID: "a3", Slug: "book", Chapter: 3, Voice: "af_bella", Status: domain.TaskStatusRunning},
+		},
+	}
+	bookReader := &stubBookReader{text: "Chapter text."}
+	audioStore := &stubAudioStore{}
+	kokoroStub := &stubKokoro{genErr: errors.New("tts failed")}
+
+	cfg := runner.Config{WorkerID: "test", PollInterval: time.Hour}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: bookReader,
+		AudioStore: audioStore,
+		Novel:      &stubNovelScraper{},
+		Kokoro:     kokoroStub,
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	_ = r.Run(ctx)
+
+	if audioStore.putCalled.Load() != 0 {
+		t.Errorf("expected PutAudio not called, got %d", audioStore.putCalled.Load())
+	}
+	if len(consumer.finished) != 1 {
+		t.Errorf("expected FinishAudioTask called once, got %d", len(consumer.finished))
+	}
+}
+
+func TestScrapeTask_BookKind(t *testing.T) {
+	consumer := &stubConsumer{
+		scrapeQueue: []domain.ScrapeTask{
+			{ID: "s1", Kind: "book", TargetURL: "https://example.com/book/test-book", Status: domain.TaskStatusRunning},
+		},
+	}
+
+	cfg := runner.Config{WorkerID: "test", PollInterval: time.Hour}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: &stubBookReader{},
+		AudioStore: &stubAudioStore{},
+		Novel:      &stubNovelScraper{},
+		Kokoro:     &stubKokoro{},
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	_ = r.Run(ctx)
+
+	if len(consumer.finished) != 1 || consumer.finished[0] != "s1" {
+		t.Errorf("expected task s1 finished, got %v", consumer.finished)
+	}
+}
+
+func TestScrapeTask_UnknownKind(t *testing.T) {
+	consumer := &stubConsumer{
+		scrapeQueue: []domain.ScrapeTask{
+			{ID: "s2", Kind: "unknown_kind", Status: domain.TaskStatusRunning},
+		},
+	}
+
+	cfg := runner.Config{WorkerID: "test", PollInterval: time.Hour}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: &stubBookReader{},
+		AudioStore: &stubAudioStore{},
+		Novel:      &stubNovelScraper{},
+		Kokoro:     &stubKokoro{},
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+	_ = r.Run(ctx)
+
+	// Unknown kind still finishes the task (with error message in result).
+	if len(consumer.finished) != 1 || consumer.finished[0] != "s2" {
+		t.Errorf("expected task s2 finished, got %v", consumer.finished)
+	}
+}
+
+func TestRun_CancelImmediately(t *testing.T) {
+	consumer := &stubConsumer{}
+	cfg := runner.Config{WorkerID: "test", PollInterval: 10 * time.Millisecond}
+	deps := runner.Dependencies{
+		Consumer:   consumer,
+		BookWriter: &stubBookWriter{},
+		BookReader: &stubBookReader{},
+		AudioStore: &stubAudioStore{},
+		Novel:      &stubNovelScraper{},
+		Kokoro:     &stubKokoro{},
+	}
+
+	r := runner.New(cfg, deps)
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel before Run
+
+	err := r.Run(ctx)
+	if err != nil {
+		t.Errorf("expected nil on graceful shutdown, got %v", err)
+	}
+}

backend/internal/scraper/scraper.go

@@ -0,0 +1,60 @@
+// Package scraper defines the NovelScraper interface and its sub-interfaces.
+// Domain types live in internal/domain — this package only defines the scraping
+// contract so that novelfire and any future scrapers can be swapped freely.
+package scraper
+
+import (
+	"context"
+
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// CatalogueProvider can enumerate every novel available on a source site.
+type CatalogueProvider interface {
+	ScrapeCatalogue(ctx context.Context) (<-chan domain.CatalogueEntry, <-chan error)
+}
+
+// MetadataProvider can extract structured book metadata from a novel's landing page.
+type MetadataProvider interface {
+	ScrapeMetadata(ctx context.Context, bookURL string) (domain.BookMeta, error)
+}
+
+// ChapterListProvider can enumerate all chapters of a book.
+// upTo > 0 stops pagination once at least upTo chapter numbers have been
+// collected (early-exit optimisation for range scrapes). upTo == 0 fetches all pages.
+type ChapterListProvider interface {
+	ScrapeChapterList(ctx context.Context, bookURL string, upTo int) ([]domain.ChapterRef, error)
+}
+
+// ChapterTextProvider can extract the readable text from a single chapter page.
+type ChapterTextProvider interface {
+	ScrapeChapterText(ctx context.Context, ref domain.ChapterRef) (domain.Chapter, error)
+}
+
+// RankingProvider can enumerate novels from a ranking page.
+type RankingProvider interface {
+	// ScrapeRanking pages through up to maxPages ranking pages.
+	// maxPages <= 0 means all pages.
+	ScrapeRanking(ctx context.Context, maxPages int) (<-chan domain.BookMeta, <-chan error)
+}
+
+// NovelScraper is the full interface a concrete novel source must implement.
+type NovelScraper interface {
+	CatalogueProvider
+	MetadataProvider
+	ChapterListProvider
+	ChapterTextProvider
+	RankingProvider
+
+	// SourceName returns the human-readable name of this scraper, e.g. "novelfire.net".
+	SourceName() string
+}
+
+// Selector describes how to locate an element in an HTML document.
+type Selector struct {
+	Tag      string
+	Class    string
+	ID       string
+	Attr     string
+	Multiple bool
+}

backend/internal/storage/minio.go

@@ -0,0 +1,244 @@
+package storage
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/url"
+	"path"
+	"strings"
+	"time"
+
+	minio "github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+
+	"github.com/libnovel/backend/internal/config"
+)
+
+// minioClient wraps the official minio-go client with bucket names.
+type minioClient struct {
+	client         *minio.Client // internal — all read/write operations
+	pubClient      *minio.Client // presign-only — initialised against the public endpoint
+	bucketChapters string
+	bucketAudio    string
+	bucketAvatars  string
+	bucketBrowse   string
+}
+
+func newMinioClient(cfg config.MinIO) (*minioClient, error) {
+	creds := credentials.NewStaticV4(cfg.AccessKey, cfg.SecretKey, "")
+
+	internal, err := minio.New(cfg.Endpoint, &minio.Options{
+		Creds:  creds,
+		Secure: cfg.UseSSL,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("minio: init internal client: %w", err)
+	}
+
+	// Presigned URLs must be signed with the hostname the browser will use
+	// (PUBLIC_MINIO_PUBLIC_URL), because AWS Signature V4 includes the Host
+	// header in the canonical request — a URL signed against "minio:9000" will
+	// return SignatureDoesNotMatch when the browser fetches it from
+	// "localhost:9000".
+	//
+	// However, minio-go normally makes a live BucketLocation HTTP call before
+	// signing, which would fail from inside the container when the public
+	// endpoint is externally-facing (e.g. "localhost:9000" is unreachable from
+	// within Docker).  We prevent this by:
+	//   1. Setting Region: "us-east-1" — minio-go skips getBucketLocation when
+	//      the region is already known (bucket-cache.go:49).
+	//   2. Setting BucketLookup: BucketLookupPath — forces path-style URLs
+	//      (e.g. host/bucket/key), matching MinIO's default behaviour and
+	//      avoiding any virtual-host DNS probing.
+	//
+	// When no public endpoint is configured (or it equals the internal one),
+	// fall back to the internal client so presigning still works.
+	publicEndpoint := cfg.PublicEndpoint
+	if u, err2 := url.Parse(publicEndpoint); err2 == nil && u.Host != "" {
+		publicEndpoint = u.Host // strip scheme so minio.New is happy
+	}
+	pubUseSSL := cfg.PublicUseSSL
+	if publicEndpoint == "" || publicEndpoint == cfg.Endpoint {
+		publicEndpoint = cfg.Endpoint
+		pubUseSSL = cfg.UseSSL
+	}
+	pub, err := minio.New(publicEndpoint, &minio.Options{
+		Creds:        creds,
+		Secure:       pubUseSSL,
+		Region:       "us-east-1", // skip live BucketLocation preflight
+		BucketLookup: minio.BucketLookupPath,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("minio: init public client: %w", err)
+	}
+
+	return &minioClient{
+		client:         internal,
+		pubClient:      pub,
+		bucketChapters: cfg.BucketChapters,
+		bucketAudio:    cfg.BucketAudio,
+		bucketAvatars:  cfg.BucketAvatars,
+		bucketBrowse:   cfg.BucketBrowse,
+	}, nil
+}
+
+// ensureBuckets creates all required buckets if they don't already exist.
+func (m *minioClient) ensureBuckets(ctx context.Context) error {
+	for _, bucket := range []string{m.bucketChapters, m.bucketAudio, m.bucketAvatars, m.bucketBrowse} {
+		exists, err := m.client.BucketExists(ctx, bucket)
+		if err != nil {
+			return fmt.Errorf("minio: check bucket %q: %w", bucket, err)
+		}
+		if !exists {
+			if err := m.client.MakeBucket(ctx, bucket, minio.MakeBucketOptions{}); err != nil {
+				return fmt.Errorf("minio: create bucket %q: %w", bucket, err)
+			}
+		}
+	}
+	return nil
+}
+
+// ── Key helpers ───────────────────────────────────────────────────────────────
+
+// ChapterObjectKey returns the MinIO object key for a chapter markdown file.
+// Format: {slug}/chapter-{n:06d}.md
+func ChapterObjectKey(slug string, n int) string {
+	return fmt.Sprintf("%s/chapter-%06d.md", slug, n)
+}
+
+// AudioObjectKey returns the MinIO object key for a cached audio file.
+// Format: {slug}/{n}/{voice}.mp3
+func AudioObjectKey(slug string, n int, voice string) string {
+	return fmt.Sprintf("%s/%d/%s.mp3", slug, n, voice)
+}
+
+// AvatarObjectKey returns the MinIO object key for a user avatar image.
+// Format: {userID}/{ext}.{ext}
+func AvatarObjectKey(userID, ext string) string {
+	return fmt.Sprintf("%s/%s.%s", userID, ext, ext)
+}
+
+// CoverObjectKey returns the MinIO object key for a book cover image.
+// Format: covers/{slug}.jpg
+func CoverObjectKey(slug string) string {
+	return fmt.Sprintf("covers/%s.jpg", slug)
+}
+
+// chapterNumberFromKey extracts the chapter number from a MinIO object key.
+// e.g. "my-book/chapter-000042.md" → 42
+func chapterNumberFromKey(key string) int {
+	base := path.Base(key)
+	base = strings.TrimPrefix(base, "chapter-")
+	base = strings.TrimSuffix(base, ".md")
+	var n int
+	fmt.Sscanf(base, "%d", &n)
+	return n
+}
+
+// ── Object operations ─────────────────────────────────────────────────────────
+
+func (m *minioClient) putObject(ctx context.Context, bucket, key, contentType string, data []byte) error {
+	_, err := m.client.PutObject(ctx, bucket, key,
+		strings.NewReader(string(data)),
+		int64(len(data)),
+		minio.PutObjectOptions{ContentType: contentType},
+	)
+	return err
+}
+
+func (m *minioClient) getObject(ctx context.Context, bucket, key string) ([]byte, error) {
+	obj, err := m.client.GetObject(ctx, bucket, key, minio.GetObjectOptions{})
+	if err != nil {
+		return nil, err
+	}
+	defer obj.Close()
+	return io.ReadAll(obj)
+}
+
+func (m *minioClient) objectExists(ctx context.Context, bucket, key string) bool {
+	_, err := m.client.StatObject(ctx, bucket, key, minio.StatObjectOptions{})
+	return err == nil
+}
+
+func (m *minioClient) presignGet(ctx context.Context, bucket, key string, expires time.Duration) (string, error) {
+	u, err := m.pubClient.PresignedGetObject(ctx, bucket, key, expires, nil)
+	if err != nil {
+		return "", fmt.Errorf("minio presign %s/%s: %w", bucket, key, err)
+	}
+	return u.String(), nil
+}
+
+func (m *minioClient) presignPut(ctx context.Context, bucket, key string, expires time.Duration) (string, error) {
+	u, err := m.pubClient.PresignedPutObject(ctx, bucket, key, expires)
+	if err != nil {
+		return "", fmt.Errorf("minio presign PUT %s/%s: %w", bucket, key, err)
+	}
+	return u.String(), nil
+}
+
+func (m *minioClient) deleteObjects(ctx context.Context, bucket, prefix string) error {
+	objCh := m.client.ListObjects(ctx, bucket, minio.ListObjectsOptions{Prefix: prefix})
+	for obj := range objCh {
+		if obj.Err != nil {
+			return obj.Err
+		}
+		if err := m.client.RemoveObject(ctx, bucket, obj.Key, minio.RemoveObjectOptions{}); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (m *minioClient) listObjectKeys(ctx context.Context, bucket, prefix string) ([]string, error) {
+	var keys []string
+	for obj := range m.client.ListObjects(ctx, bucket, minio.ListObjectsOptions{Prefix: prefix}) {
+		if obj.Err != nil {
+			return nil, obj.Err
+		}
+		keys = append(keys, obj.Key)
+	}
+	return keys, nil
+}
+
+// ── Cover operations ──────────────────────────────────────────────────────────
+
+// putCover stores a raw cover image in the browse bucket under covers/{slug}.jpg.
+func (m *minioClient) putCover(ctx context.Context, key, contentType string, data []byte) error {
+	return m.putObject(ctx, m.bucketBrowse, key, contentType, data)
+}
+
+// getCover retrieves a cover image. Returns (nil, "", false, nil) when the
+// object does not exist.
+func (m *minioClient) getCover(ctx context.Context, key string) ([]byte, bool, error) {
+	if !m.objectExists(ctx, m.bucketBrowse, key) {
+		return nil, false, nil
+	}
+	data, err := m.getObject(ctx, m.bucketBrowse, key)
+	if err != nil {
+		return nil, false, err
+	}
+	return data, true, nil
+}
+
+// coverExists returns true when the cover image object exists.
+func (m *minioClient) coverExists(ctx context.Context, key string) bool {
+	return m.objectExists(ctx, m.bucketBrowse, key)
+}
+
+// coverContentType inspects the first bytes of data to determine if it is
+// a JPEG or PNG image. Falls back to "image/jpeg".
+func coverContentType(data []byte) string {
+	if len(data) >= 4 {
+		// PNG magic: 0x89 0x50 0x4E 0x47
+		if data[0] == 0x89 && data[1] == 0x50 && data[2] == 0x4E && data[3] == 0x47 {
+			return "image/png"
+		}
+		// WebP: starts with "RIFF" at 0..3 and "WEBP" at 8..11
+		if len(data) >= 12 && data[0] == 'R' && data[1] == 'I' && data[2] == 'F' && data[3] == 'F' &&
+			data[8] == 'W' && data[9] == 'E' && data[10] == 'B' && data[11] == 'P' {
+			return "image/webp"
+		}
+	}
+	return "image/jpeg"
+}

backend/internal/storage/pocketbase.go

@@ -0,0 +1,269 @@
+// Package storage provides the concrete implementations of all bookstore and
+// taskqueue interfaces backed by PocketBase (structured data) and MinIO (blobs).
+//
+// Entry point: NewStore(ctx, cfg, log) returns a *Store that satisfies every
+// interface defined in bookstore and taskqueue.
+package storage
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/libnovel/backend/internal/config"
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// ErrNotFound is returned by single-record lookups when no record exists.
+var ErrNotFound = errors.New("storage: record not found")
+
+// pbClient is the internal PocketBase REST admin client.
+type pbClient struct {
+	baseURL  string
+	email    string
+	password string
+	log      *slog.Logger
+
+	mu    sync.Mutex
+	token string
+	exp   time.Time
+}
+
+func newPBClient(cfg config.PocketBase, log *slog.Logger) *pbClient {
+	return &pbClient{
+		baseURL:  strings.TrimRight(cfg.URL, "/"),
+		email:    cfg.AdminEmail,
+		password: cfg.AdminPassword,
+		log:      log,
+	}
+}
+
+// authToken returns a valid admin auth token, refreshing it when expired.
+func (c *pbClient) authToken(ctx context.Context) (string, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.token != "" && time.Now().Before(c.exp) {
+		return c.token, nil
+	}
+
+	body, _ := json.Marshal(map[string]string{
+		"identity": c.email,
+		"password": c.password,
+	})
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost,
+		c.baseURL+"/api/collections/_superusers/auth-with-password", bytes.NewReader(body))
+	if err != nil {
+		return "", fmt.Errorf("pb auth: build request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("pb auth: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		raw, _ := io.ReadAll(resp.Body)
+		return "", fmt.Errorf("pb auth: status %d: %s", resp.StatusCode, string(raw))
+	}
+
+	var payload struct {
+		Token string `json:"token"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&payload); err != nil {
+		return "", fmt.Errorf("pb auth: decode: %w", err)
+	}
+	c.token = payload.Token
+	c.exp = time.Now().Add(30 * time.Minute)
+	return c.token, nil
+}
+
+// do executes an authenticated PocketBase REST request.
+func (c *pbClient) do(ctx context.Context, method, path string, body io.Reader) (*http.Response, error) {
+	tok, err := c.authToken(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, c.baseURL+path, body)
+	if err != nil {
+		return nil, fmt.Errorf("pb: build request %s %s: %w", method, path, err)
+	}
+	req.Header.Set("Authorization", tok)
+	if body != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("pb: %s %s: %w", method, path, err)
+	}
+	return resp, nil
+}
+
+// get is a convenience wrapper that decodes a JSON response into v.
+func (c *pbClient) get(ctx context.Context, path string, v any) error {
+	resp, err := c.do(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusNotFound {
+		return ErrNotFound
+	}
+	if resp.StatusCode >= 400 {
+		raw, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("pb GET %s: status %d: %s", path, resp.StatusCode, string(raw))
+	}
+	return json.NewDecoder(resp.Body).Decode(v)
+}
+
+// post creates a record and decodes the created record into v.
+func (c *pbClient) post(ctx context.Context, path string, payload, v any) error {
+	b, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("pb: marshal: %w", err)
+	}
+	resp, err := c.do(ctx, http.MethodPost, path, bytes.NewReader(b))
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		raw, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("pb POST %s: status %d: %s", path, resp.StatusCode, string(raw))
+	}
+	if v != nil {
+		return json.NewDecoder(resp.Body).Decode(v)
+	}
+	return nil
+}
+
+// patch updates a record.
+func (c *pbClient) patch(ctx context.Context, path string, payload any) error {
+	b, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("pb: marshal: %w", err)
+	}
+	resp, err := c.do(ctx, http.MethodPatch, path, bytes.NewReader(b))
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		raw, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("pb PATCH %s: status %d: %s", path, resp.StatusCode, string(raw))
+	}
+	return nil
+}
+
+// delete removes a record.
+func (c *pbClient) delete(ctx context.Context, path string) error {
+	resp, err := c.do(ctx, http.MethodDelete, path, nil)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusNotFound {
+		return ErrNotFound
+	}
+	if resp.StatusCode >= 400 {
+		raw, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("pb DELETE %s: status %d: %s", path, resp.StatusCode, string(raw))
+	}
+	return nil
+}
+
+// listAll fetches all pages of a collection. PocketBase returns at most 200
+// records per page; we paginate until empty.
+func (c *pbClient) listAll(ctx context.Context, collection string, filter, sort string) ([]json.RawMessage, error) {
+	var all []json.RawMessage
+	page := 1
+	for {
+		q := url.Values{
+			"page":    {fmt.Sprintf("%d", page)},
+			"perPage": {"200"},
+		}
+		if filter != "" {
+			q.Set("filter", filter)
+		}
+		if sort != "" {
+			q.Set("sort", sort)
+		}
+		path := fmt.Sprintf("/api/collections/%s/records?%s", collection, q.Encode())
+
+		var result struct {
+			Items []json.RawMessage `json:"items"`
+			Page  int               `json:"page"`
+			Pages int               `json:"totalPages"`
+		}
+		if err := c.get(ctx, path, &result); err != nil {
+			return nil, err
+		}
+		all = append(all, result.Items...)
+		if result.Page >= result.Pages {
+			break
+		}
+		page++
+	}
+	return all, nil
+}
+
+// claimRecord atomically claims the first pending record matching collection.
+// It fetches the oldest pending record (filter + sort), then PATCHes it with
+// the claim payload. Returns (nil, nil) when the queue is empty.
+func (c *pbClient) claimRecord(ctx context.Context, collection, workerID string, extraClaim map[string]any) (json.RawMessage, error) {
+	q := url.Values{}
+	q.Set("filter", `status="pending"`)
+	q.Set("sort", "+started")
+	q.Set("perPage", "1")
+	path := fmt.Sprintf("/api/collections/%s/records?%s", collection, q.Encode())
+
+	var result struct {
+		Items []json.RawMessage `json:"items"`
+	}
+	if err := c.get(ctx, path, &result); err != nil {
+		return nil, fmt.Errorf("claimRecord list: %w", err)
+	}
+	if len(result.Items) == 0 {
+		return nil, nil // queue empty
+	}
+
+	var rec struct {
+		ID string `json:"id"`
+	}
+	if err := json.Unmarshal(result.Items[0], &rec); err != nil {
+		return nil, fmt.Errorf("claimRecord parse id: %w", err)
+	}
+
+	claim := map[string]any{
+		"status":       string(domain.TaskStatusRunning),
+		"worker_id":    workerID,
+		"heartbeat_at": time.Now().UTC().Format(time.RFC3339),
+	}
+	for k, v := range extraClaim {
+		claim[k] = v
+	}
+
+	claimPath := fmt.Sprintf("/api/collections/%s/records/%s", collection, rec.ID)
+	if err := c.patch(ctx, claimPath, claim); err != nil {
+		return nil, fmt.Errorf("claimRecord patch: %w", err)
+	}
+
+	// Re-fetch the updated record so caller has current state.
+	var updated json.RawMessage
+	if err := c.get(ctx, claimPath, &updated); err != nil {
+		return nil, fmt.Errorf("claimRecord re-fetch: %w", err)
+	}
+	return updated, nil
+}

backend/internal/storage/store.go

@@ -0,0 +1,820 @@
+package storage
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"strings"
+	"time"
+
+	"github.com/libnovel/backend/internal/bookstore"
+	"github.com/libnovel/backend/internal/config"
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/taskqueue"
+)
+
+// Store is the unified persistence implementation that satisfies all bookstore
+// and taskqueue interfaces. It routes structured data to PocketBase and binary
+// blobs to MinIO.
+type Store struct {
+	pb  *pbClient
+	mc  *minioClient
+	log *slog.Logger
+}
+
+// NewStore initialises PocketBase and MinIO connections and ensures all MinIO
+// buckets exist. Returns a ready-to-use Store.
+func NewStore(ctx context.Context, cfg config.Config, log *slog.Logger) (*Store, error) {
+	pb := newPBClient(cfg.PocketBase, log)
+	// Validate PocketBase connectivity by fetching an auth token.
+	if _, err := pb.authToken(ctx); err != nil {
+		return nil, fmt.Errorf("pocketbase: %w", err)
+	}
+
+	mc, err := newMinioClient(cfg.MinIO)
+	if err != nil {
+		return nil, fmt.Errorf("minio: %w", err)
+	}
+	if err := mc.ensureBuckets(ctx); err != nil {
+		return nil, fmt.Errorf("minio: ensure buckets: %w", err)
+	}
+
+	return &Store{pb: pb, mc: mc, log: log}, nil
+}
+
+// Compile-time interface satisfaction.
+var _ bookstore.BookWriter = (*Store)(nil)
+var _ bookstore.BookReader = (*Store)(nil)
+var _ bookstore.RankingStore = (*Store)(nil)
+var _ bookstore.AudioStore = (*Store)(nil)
+var _ bookstore.PresignStore = (*Store)(nil)
+var _ bookstore.ProgressStore = (*Store)(nil)
+var _ bookstore.CoverStore = (*Store)(nil)
+var _ taskqueue.Producer = (*Store)(nil)
+var _ taskqueue.Consumer = (*Store)(nil)
+var _ taskqueue.Reader = (*Store)(nil)
+
+// ── BookWriter ────────────────────────────────────────────────────────────────
+
+func (s *Store) WriteMetadata(ctx context.Context, meta domain.BookMeta) error {
+	payload := map[string]any{
+		"slug":           meta.Slug,
+		"title":          meta.Title,
+		"author":         meta.Author,
+		"cover":          meta.Cover,
+		"status":         meta.Status,
+		"genres":         meta.Genres,
+		"summary":        meta.Summary,
+		"total_chapters": meta.TotalChapters,
+		"source_url":     meta.SourceURL,
+		"ranking":        meta.Ranking,
+		"rating":         meta.Rating,
+	}
+	// Upsert via filter: if exists PATCH, otherwise POST.
+	existing, err := s.getBookBySlug(ctx, meta.Slug)
+	if err != nil && err != ErrNotFound {
+		return fmt.Errorf("WriteMetadata: %w", err)
+	}
+	if err == ErrNotFound {
+		return s.pb.post(ctx, "/api/collections/books/records", payload, nil)
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/books/records/%s", existing.ID), payload)
+}
+
+func (s *Store) WriteChapter(ctx context.Context, slug string, chapter domain.Chapter) error {
+	key := ChapterObjectKey(slug, chapter.Ref.Number)
+	if err := s.mc.putObject(ctx, s.mc.bucketChapters, key, "text/markdown", []byte(chapter.Text)); err != nil {
+		return fmt.Errorf("WriteChapter: minio: %w", err)
+	}
+	// Upsert the chapters_idx record in PocketBase.
+	return s.upsertChapterIdx(ctx, slug, chapter.Ref)
+}
+
+func (s *Store) WriteChapterRefs(ctx context.Context, slug string, refs []domain.ChapterRef) error {
+	for _, ref := range refs {
+		if err := s.upsertChapterIdx(ctx, slug, ref); err != nil {
+			s.log.Warn("WriteChapterRefs: upsert failed", "slug", slug, "chapter", ref.Number, "err", err)
+		}
+	}
+	return nil
+}
+
+func (s *Store) ChapterExists(ctx context.Context, slug string, ref domain.ChapterRef) bool {
+	return s.mc.objectExists(ctx, s.mc.bucketChapters, ChapterObjectKey(slug, ref.Number))
+}
+
+func (s *Store) upsertChapterIdx(ctx context.Context, slug string, ref domain.ChapterRef) error {
+	payload := map[string]any{
+		"slug":   slug,
+		"number": ref.Number,
+		"title":  ref.Title,
+	}
+	filter := fmt.Sprintf(`slug=%q&&number=%d`, slug, ref.Number)
+	items, err := s.pb.listAll(ctx, "chapters_idx", filter, "")
+	if err != nil && err != ErrNotFound {
+		return err
+	}
+	if len(items) == 0 {
+		return s.pb.post(ctx, "/api/collections/chapters_idx/records", payload, nil)
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	json.Unmarshal(items[0], &rec)
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/chapters_idx/records/%s", rec.ID), payload)
+}
+
+// ── BookReader ────────────────────────────────────────────────────────────────
+
+type pbBook struct {
+	ID            string   `json:"id"`
+	Slug          string   `json:"slug"`
+	Title         string   `json:"title"`
+	Author        string   `json:"author"`
+	Cover         string   `json:"cover"`
+	Status        string   `json:"status"`
+	Genres        []string `json:"genres"`
+	Summary       string   `json:"summary"`
+	TotalChapters int      `json:"total_chapters"`
+	SourceURL     string   `json:"source_url"`
+	Ranking       int      `json:"ranking"`
+	Rating        float64  `json:"rating"`
+	Updated       string   `json:"updated"`
+}
+
+func (b pbBook) toDomain() domain.BookMeta {
+	var metaUpdated int64
+	if t, err := time.Parse(time.RFC3339, b.Updated); err == nil {
+		metaUpdated = t.Unix()
+	}
+	return domain.BookMeta{
+		Slug:          b.Slug,
+		Title:         b.Title,
+		Author:        b.Author,
+		Cover:         b.Cover,
+		Status:        b.Status,
+		Genres:        b.Genres,
+		Summary:       b.Summary,
+		TotalChapters: b.TotalChapters,
+		SourceURL:     b.SourceURL,
+		Ranking:       b.Ranking,
+		Rating:        b.Rating,
+		MetaUpdated:   metaUpdated,
+	}
+}
+
+func (s *Store) getBookBySlug(ctx context.Context, slug string) (pbBook, error) {
+	filter := fmt.Sprintf(`slug=%q`, slug)
+	items, err := s.pb.listAll(ctx, "books", filter, "")
+	if err != nil {
+		return pbBook{}, err
+	}
+	if len(items) == 0 {
+		return pbBook{}, ErrNotFound
+	}
+	var b pbBook
+	json.Unmarshal(items[0], &b)
+	return b, nil
+}
+
+func (s *Store) ReadMetadata(ctx context.Context, slug string) (domain.BookMeta, bool, error) {
+	b, err := s.getBookBySlug(ctx, slug)
+	if err == ErrNotFound {
+		return domain.BookMeta{}, false, nil
+	}
+	if err != nil {
+		return domain.BookMeta{}, false, err
+	}
+	return b.toDomain(), true, nil
+}
+
+func (s *Store) ListBooks(ctx context.Context) ([]domain.BookMeta, error) {
+	items, err := s.pb.listAll(ctx, "books", "", "title")
+	if err != nil {
+		return nil, err
+	}
+	books := make([]domain.BookMeta, 0, len(items))
+	for _, raw := range items {
+		var b pbBook
+		json.Unmarshal(raw, &b)
+		books = append(books, b.toDomain())
+	}
+	return books, nil
+}
+
+func (s *Store) LocalSlugs(ctx context.Context) (map[string]bool, error) {
+	items, err := s.pb.listAll(ctx, "books", "", "")
+	if err != nil {
+		return nil, err
+	}
+	slugs := make(map[string]bool, len(items))
+	for _, raw := range items {
+		var b struct {
+			Slug string `json:"slug"`
+		}
+		json.Unmarshal(raw, &b)
+		if b.Slug != "" {
+			slugs[b.Slug] = true
+		}
+	}
+	return slugs, nil
+}
+
+func (s *Store) MetadataMtime(ctx context.Context, slug string) int64 {
+	b, err := s.getBookBySlug(ctx, slug)
+	if err != nil {
+		return 0
+	}
+	t, err := time.Parse(time.RFC3339, b.Updated)
+	if err != nil {
+		return 0
+	}
+	return t.Unix()
+}
+
+func (s *Store) ReadChapter(ctx context.Context, slug string, n int) (string, error) {
+	data, err := s.mc.getObject(ctx, s.mc.bucketChapters, ChapterObjectKey(slug, n))
+	if err != nil {
+		return "", fmt.Errorf("ReadChapter: %w", err)
+	}
+	return string(data), nil
+}
+
+func (s *Store) ListChapters(ctx context.Context, slug string) ([]domain.ChapterInfo, error) {
+	filter := fmt.Sprintf(`slug=%q`, slug)
+	items, err := s.pb.listAll(ctx, "chapters_idx", filter, "number")
+	if err != nil {
+		return nil, err
+	}
+	chapters := make([]domain.ChapterInfo, 0, len(items))
+	for _, raw := range items {
+		var rec struct {
+			Number int    `json:"number"`
+			Title  string `json:"title"`
+		}
+		json.Unmarshal(raw, &rec)
+		chapters = append(chapters, domain.ChapterInfo{Number: rec.Number, Title: rec.Title})
+	}
+	return chapters, nil
+}
+
+func (s *Store) CountChapters(ctx context.Context, slug string) int {
+	chapters, err := s.ListChapters(ctx, slug)
+	if err != nil {
+		return 0
+	}
+	return len(chapters)
+}
+
+func (s *Store) ReindexChapters(ctx context.Context, slug string) (int, error) {
+	keys, err := s.mc.listObjectKeys(ctx, s.mc.bucketChapters, slug+"/")
+	if err != nil {
+		return 0, fmt.Errorf("ReindexChapters: list objects: %w", err)
+	}
+	count := 0
+	for _, key := range keys {
+		if !strings.HasSuffix(key, ".md") {
+			continue
+		}
+		n := chapterNumberFromKey(key)
+		if n == 0 {
+			continue
+		}
+		ref := domain.ChapterRef{Number: n}
+		if err := s.upsertChapterIdx(ctx, slug, ref); err != nil {
+			s.log.Warn("ReindexChapters: upsert failed", "key", key, "err", err)
+			continue
+		}
+		count++
+	}
+	return count, nil
+}
+
+// ── RankingStore ──────────────────────────────────────────────────────────────
+
+func (s *Store) WriteRankingItem(ctx context.Context, item domain.RankingItem) error {
+	payload := map[string]any{
+		"rank":       item.Rank,
+		"slug":       item.Slug,
+		"title":      item.Title,
+		"author":     item.Author,
+		"cover":      item.Cover,
+		"status":     item.Status,
+		"genres":     item.Genres,
+		"source_url": item.SourceURL,
+	}
+	filter := fmt.Sprintf(`slug=%q`, item.Slug)
+	items, err := s.pb.listAll(ctx, "ranking", filter, "")
+	if err != nil && err != ErrNotFound {
+		return err
+	}
+	if len(items) == 0 {
+		return s.pb.post(ctx, "/api/collections/ranking/records", payload, nil)
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	json.Unmarshal(items[0], &rec)
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/ranking/records/%s", rec.ID), payload)
+}
+
+func (s *Store) ReadRankingItems(ctx context.Context) ([]domain.RankingItem, error) {
+	items, err := s.pb.listAll(ctx, "ranking", "", "rank")
+	if err != nil {
+		return nil, err
+	}
+	result := make([]domain.RankingItem, 0, len(items))
+	for _, raw := range items {
+		var rec struct {
+			Rank      int      `json:"rank"`
+			Slug      string   `json:"slug"`
+			Title     string   `json:"title"`
+			Author    string   `json:"author"`
+			Cover     string   `json:"cover"`
+			Status    string   `json:"status"`
+			Genres    []string `json:"genres"`
+			SourceURL string   `json:"source_url"`
+			Updated   string   `json:"updated"`
+		}
+		json.Unmarshal(raw, &rec)
+		t, _ := time.Parse(time.RFC3339, rec.Updated)
+		result = append(result, domain.RankingItem{
+			Rank:      rec.Rank,
+			Slug:      rec.Slug,
+			Title:     rec.Title,
+			Author:    rec.Author,
+			Cover:     rec.Cover,
+			Status:    rec.Status,
+			Genres:    rec.Genres,
+			SourceURL: rec.SourceURL,
+			Updated:   t,
+		})
+	}
+	return result, nil
+}
+
+func (s *Store) RankingFreshEnough(ctx context.Context, maxAge time.Duration) (bool, error) {
+	items, err := s.ReadRankingItems(ctx)
+	if err != nil || len(items) == 0 {
+		return false, err
+	}
+	var latest time.Time
+	for _, item := range items {
+		if item.Updated.After(latest) {
+			latest = item.Updated
+		}
+	}
+	return time.Since(latest) < maxAge, nil
+}
+
+// ── AudioStore ────────────────────────────────────────────────────────────────
+
+func (s *Store) AudioObjectKey(slug string, n int, voice string) string {
+	return AudioObjectKey(slug, n, voice)
+}
+
+func (s *Store) AudioExists(ctx context.Context, key string) bool {
+	return s.mc.objectExists(ctx, s.mc.bucketAudio, key)
+}
+
+func (s *Store) PutAudio(ctx context.Context, key string, data []byte) error {
+	return s.mc.putObject(ctx, s.mc.bucketAudio, key, "audio/mpeg", data)
+}
+
+// ── PresignStore ──────────────────────────────────────────────────────────────
+
+func (s *Store) PresignChapter(ctx context.Context, slug string, n int, expires time.Duration) (string, error) {
+	return s.mc.presignGet(ctx, s.mc.bucketChapters, ChapterObjectKey(slug, n), expires)
+}
+
+func (s *Store) PresignAudio(ctx context.Context, key string, expires time.Duration) (string, error) {
+	return s.mc.presignGet(ctx, s.mc.bucketAudio, key, expires)
+}
+
+func (s *Store) PresignAvatarUpload(ctx context.Context, userID, ext string) (uploadURL, key string, err error) {
+	key = AvatarObjectKey(userID, ext)
+	uploadURL, err = s.mc.presignPut(ctx, s.mc.bucketAvatars, key, 15*time.Minute)
+	return
+}
+
+func (s *Store) PresignAvatarURL(ctx context.Context, userID string) (string, bool, error) {
+	for _, ext := range []string{"jpg", "png", "webp"} {
+		key := AvatarObjectKey(userID, ext)
+		if s.mc.objectExists(ctx, s.mc.bucketAvatars, key) {
+			u, err := s.mc.presignGet(ctx, s.mc.bucketAvatars, key, 1*time.Hour)
+			return u, true, err
+		}
+	}
+	return "", false, nil
+}
+
+func (s *Store) PutAvatar(ctx context.Context, userID, ext, contentType string, data []byte) (string, error) {
+	// Delete existing avatar objects for this user before writing the new one
+	// so old extensions don't linger (e.g. old .png after uploading a .jpg).
+	_ = s.mc.deleteObjects(ctx, s.mc.bucketAvatars, userID+"/")
+	key := AvatarObjectKey(userID, ext)
+	if err := s.mc.putObject(ctx, s.mc.bucketAvatars, key, contentType, data); err != nil {
+		return "", fmt.Errorf("put avatar: %w", err)
+	}
+	return key, nil
+}
+
+func (s *Store) DeleteAvatar(ctx context.Context, userID string) error {
+	return s.mc.deleteObjects(ctx, s.mc.bucketAvatars, userID+"/")
+}
+
+// ── ProgressStore ─────────────────────────────────────────────────────────────
+
+func (s *Store) GetProgress(ctx context.Context, sessionID, slug string) (domain.ReadingProgress, bool) {
+	filter := fmt.Sprintf(`session_id=%q&&slug=%q`, sessionID, slug)
+	items, err := s.pb.listAll(ctx, "progress", filter, "")
+	if err != nil || len(items) == 0 {
+		return domain.ReadingProgress{}, false
+	}
+	var rec struct {
+		Slug      string `json:"slug"`
+		Chapter   int    `json:"chapter"`
+		UpdatedAt string `json:"updated"`
+	}
+	json.Unmarshal(items[0], &rec)
+	t, _ := time.Parse(time.RFC3339, rec.UpdatedAt)
+	return domain.ReadingProgress{Slug: rec.Slug, Chapter: rec.Chapter, UpdatedAt: t}, true
+}
+
+func (s *Store) SetProgress(ctx context.Context, sessionID string, p domain.ReadingProgress) error {
+	payload := map[string]any{
+		"session_id": sessionID,
+		"slug":       p.Slug,
+		"chapter":    p.Chapter,
+	}
+	filter := fmt.Sprintf(`session_id=%q&&slug=%q`, sessionID, p.Slug)
+	items, err := s.pb.listAll(ctx, "progress", filter, "")
+	if err != nil && err != ErrNotFound {
+		return err
+	}
+	if len(items) == 0 {
+		return s.pb.post(ctx, "/api/collections/progress/records", payload, nil)
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	json.Unmarshal(items[0], &rec)
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/progress/records/%s", rec.ID), payload)
+}
+
+func (s *Store) AllProgress(ctx context.Context, sessionID string) ([]domain.ReadingProgress, error) {
+	filter := fmt.Sprintf(`session_id=%q`, sessionID)
+	items, err := s.pb.listAll(ctx, "progress", filter, "-updated")
+	if err != nil {
+		return nil, err
+	}
+	result := make([]domain.ReadingProgress, 0, len(items))
+	for _, raw := range items {
+		var rec struct {
+			Slug      string `json:"slug"`
+			Chapter   int    `json:"chapter"`
+			UpdatedAt string `json:"updated"`
+		}
+		json.Unmarshal(raw, &rec)
+		t, _ := time.Parse(time.RFC3339, rec.UpdatedAt)
+		result = append(result, domain.ReadingProgress{Slug: rec.Slug, Chapter: rec.Chapter, UpdatedAt: t})
+	}
+	return result, nil
+}
+
+func (s *Store) DeleteProgress(ctx context.Context, sessionID, slug string) error {
+	filter := fmt.Sprintf(`session_id=%q&&slug=%q`, sessionID, slug)
+	items, err := s.pb.listAll(ctx, "progress", filter, "")
+	if err != nil || len(items) == 0 {
+		return nil
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	json.Unmarshal(items[0], &rec)
+	return s.pb.delete(ctx, fmt.Sprintf("/api/collections/progress/records/%s", rec.ID))
+}
+
+// ── taskqueue.Producer ────────────────────────────────────────────────────────
+
+func (s *Store) CreateScrapeTask(ctx context.Context, kind, targetURL string, fromChapter, toChapter int) (string, error) {
+	payload := map[string]any{
+		"kind":         kind,
+		"target_url":   targetURL,
+		"from_chapter": fromChapter,
+		"to_chapter":   toChapter,
+		"status":       string(domain.TaskStatusPending),
+		"started":      time.Now().UTC().Format(time.RFC3339),
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	if err := s.pb.post(ctx, "/api/collections/scraping_tasks/records", payload, &rec); err != nil {
+		return "", err
+	}
+	return rec.ID, nil
+}
+
+func (s *Store) CreateAudioTask(ctx context.Context, slug string, chapter int, voice string) (string, error) {
+	cacheKey := fmt.Sprintf("%s/%d/%s", slug, chapter, voice)
+	payload := map[string]any{
+		"cache_key": cacheKey,
+		"slug":      slug,
+		"chapter":   chapter,
+		"voice":     voice,
+		"status":    string(domain.TaskStatusPending),
+		"started":   time.Now().UTC().Format(time.RFC3339),
+	}
+	var rec struct {
+		ID string `json:"id"`
+	}
+	if err := s.pb.post(ctx, "/api/collections/audio_jobs/records", payload, &rec); err != nil {
+		return "", err
+	}
+	return rec.ID, nil
+}
+
+func (s *Store) CancelTask(ctx context.Context, id string) error {
+	// Try scraping_tasks first, then audio_jobs.
+	if err := s.pb.patch(ctx, fmt.Sprintf("/api/collections/scraping_tasks/records/%s", id),
+		map[string]string{"status": string(domain.TaskStatusCancelled)}); err == nil {
+		return nil
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/audio_jobs/records/%s", id),
+		map[string]string{"status": string(domain.TaskStatusCancelled)})
+}
+
+// ── taskqueue.Consumer ────────────────────────────────────────────────────────
+
+func (s *Store) ClaimNextScrapeTask(ctx context.Context, workerID string) (domain.ScrapeTask, bool, error) {
+	raw, err := s.pb.claimRecord(ctx, "scraping_tasks", workerID, nil)
+	if err != nil {
+		return domain.ScrapeTask{}, false, err
+	}
+	if raw == nil {
+		return domain.ScrapeTask{}, false, nil
+	}
+	task, err := parseScrapeTask(raw)
+	return task, err == nil, err
+}
+
+func (s *Store) ClaimNextAudioTask(ctx context.Context, workerID string) (domain.AudioTask, bool, error) {
+	raw, err := s.pb.claimRecord(ctx, "audio_jobs", workerID, nil)
+	if err != nil {
+		return domain.AudioTask{}, false, err
+	}
+	if raw == nil {
+		return domain.AudioTask{}, false, nil
+	}
+	task, err := parseAudioTask(raw)
+	return task, err == nil, err
+}
+
+func (s *Store) FinishScrapeTask(ctx context.Context, id string, result domain.ScrapeResult) error {
+	status := string(domain.TaskStatusDone)
+	if result.ErrorMessage != "" {
+		status = string(domain.TaskStatusFailed)
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/scraping_tasks/records/%s", id), map[string]any{
+		"status":           status,
+		"books_found":      result.BooksFound,
+		"chapters_scraped": result.ChaptersScraped,
+		"chapters_skipped": result.ChaptersSkipped,
+		"errors":           result.Errors,
+		"error_message":    result.ErrorMessage,
+		"finished":         time.Now().UTC().Format(time.RFC3339),
+	})
+}
+
+func (s *Store) FinishAudioTask(ctx context.Context, id string, result domain.AudioResult) error {
+	status := string(domain.TaskStatusDone)
+	if result.ErrorMessage != "" {
+		status = string(domain.TaskStatusFailed)
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/audio_jobs/records/%s", id), map[string]any{
+		"status":        status,
+		"error_message": result.ErrorMessage,
+		"finished":      time.Now().UTC().Format(time.RFC3339),
+	})
+}
+
+func (s *Store) FailTask(ctx context.Context, id, errMsg string) error {
+	payload := map[string]any{
+		"status":        string(domain.TaskStatusFailed),
+		"error_message": errMsg,
+		"finished":      time.Now().UTC().Format(time.RFC3339),
+	}
+	if err := s.pb.patch(ctx, fmt.Sprintf("/api/collections/scraping_tasks/records/%s", id), payload); err == nil {
+		return nil
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/audio_jobs/records/%s", id), payload)
+}
+
+// HeartbeatTask updates the heartbeat_at field on a running task.
+// Tries scraping_tasks first, then audio_jobs (same pattern as FailTask).
+func (s *Store) HeartbeatTask(ctx context.Context, id string) error {
+	payload := map[string]any{
+		"heartbeat_at": time.Now().UTC().Format(time.RFC3339),
+	}
+	if err := s.pb.patch(ctx, fmt.Sprintf("/api/collections/scraping_tasks/records/%s", id), payload); err == nil {
+		return nil
+	}
+	return s.pb.patch(ctx, fmt.Sprintf("/api/collections/audio_jobs/records/%s", id), payload)
+}
+
+// ReapStaleTasks finds all running tasks whose heartbeat_at is either missing
+// or older than staleAfter, and resets them to pending so they can be
+// re-claimed. Returns the number of tasks reaped.
+func (s *Store) ReapStaleTasks(ctx context.Context, staleAfter time.Duration) (int, error) {
+	threshold := time.Now().UTC().Add(-staleAfter).Format(time.RFC3339)
+	// Match tasks that are running AND (heartbeat_at is null OR heartbeat_at < threshold).
+	// PocketBase datetime fields require `=null` not `=""` in filter expressions.
+	filter := fmt.Sprintf(`status="running"&&(heartbeat_at=null||heartbeat_at<"%s")`, threshold)
+	resetPayload := map[string]any{
+		"status":       string(domain.TaskStatusPending),
+		"worker_id":    "",
+		"heartbeat_at": nil,
+	}
+
+	total := 0
+	for _, collection := range []string{"scraping_tasks", "audio_jobs"} {
+		items, err := s.pb.listAll(ctx, collection, filter, "")
+		if err != nil {
+			return total, fmt.Errorf("ReapStaleTasks list %s: %w", collection, err)
+		}
+		for _, raw := range items {
+			var rec struct {
+				ID string `json:"id"`
+			}
+			if err := json.Unmarshal(raw, &rec); err != nil || rec.ID == "" {
+				continue
+			}
+			path := fmt.Sprintf("/api/collections/%s/records/%s", collection, rec.ID)
+			if err := s.pb.patch(ctx, path, resetPayload); err != nil {
+				s.log.Warn("ReapStaleTasks: patch failed", "collection", collection, "id", rec.ID, "err", err)
+				continue
+			}
+			total++
+		}
+	}
+	return total, nil
+}
+
+// ── taskqueue.Reader ──────────────────────────────────────────────────────────
+
+func (s *Store) ListScrapeTasks(ctx context.Context) ([]domain.ScrapeTask, error) {
+	items, err := s.pb.listAll(ctx, "scraping_tasks", "", "-started")
+	if err != nil {
+		return nil, err
+	}
+	tasks := make([]domain.ScrapeTask, 0, len(items))
+	for _, raw := range items {
+		t, err := parseScrapeTask(raw)
+		if err == nil {
+			tasks = append(tasks, t)
+		}
+	}
+	return tasks, nil
+}
+
+func (s *Store) GetScrapeTask(ctx context.Context, id string) (domain.ScrapeTask, bool, error) {
+	var raw json.RawMessage
+	if err := s.pb.get(ctx, fmt.Sprintf("/api/collections/scraping_tasks/records/%s", id), &raw); err != nil {
+		if err == ErrNotFound {
+			return domain.ScrapeTask{}, false, nil
+		}
+		return domain.ScrapeTask{}, false, err
+	}
+	t, err := parseScrapeTask(raw)
+	return t, err == nil, err
+}
+
+func (s *Store) ListAudioTasks(ctx context.Context) ([]domain.AudioTask, error) {
+	items, err := s.pb.listAll(ctx, "audio_jobs", "", "-started")
+	if err != nil {
+		return nil, err
+	}
+	tasks := make([]domain.AudioTask, 0, len(items))
+	for _, raw := range items {
+		t, err := parseAudioTask(raw)
+		if err == nil {
+			tasks = append(tasks, t)
+		}
+	}
+	return tasks, nil
+}
+
+func (s *Store) GetAudioTask(ctx context.Context, cacheKey string) (domain.AudioTask, bool, error) {
+	filter := fmt.Sprintf(`cache_key=%q`, cacheKey)
+	items, err := s.pb.listAll(ctx, "audio_jobs", filter, "-started")
+	if err != nil || len(items) == 0 {
+		return domain.AudioTask{}, false, err
+	}
+	t, err := parseAudioTask(items[0])
+	return t, err == nil, err
+}
+
+// ── Parsers ───────────────────────────────────────────────────────────────────
+
+func parseScrapeTask(raw json.RawMessage) (domain.ScrapeTask, error) {
+	var rec struct {
+		ID              string `json:"id"`
+		Kind            string `json:"kind"`
+		TargetURL       string `json:"target_url"`
+		FromChapter     int    `json:"from_chapter"`
+		ToChapter       int    `json:"to_chapter"`
+		WorkerID        string `json:"worker_id"`
+		Status          string `json:"status"`
+		BooksFound      int    `json:"books_found"`
+		ChaptersScraped int    `json:"chapters_scraped"`
+		ChaptersSkipped int    `json:"chapters_skipped"`
+		Errors          int    `json:"errors"`
+		Started         string `json:"started"`
+		Finished        string `json:"finished"`
+		ErrorMessage    string `json:"error_message"`
+	}
+	if err := json.Unmarshal(raw, &rec); err != nil {
+		return domain.ScrapeTask{}, err
+	}
+	started, _ := time.Parse(time.RFC3339, rec.Started)
+	finished, _ := time.Parse(time.RFC3339, rec.Finished)
+	return domain.ScrapeTask{
+		ID:              rec.ID,
+		Kind:            rec.Kind,
+		TargetURL:       rec.TargetURL,
+		FromChapter:     rec.FromChapter,
+		ToChapter:       rec.ToChapter,
+		WorkerID:        rec.WorkerID,
+		Status:          domain.TaskStatus(rec.Status),
+		BooksFound:      rec.BooksFound,
+		ChaptersScraped: rec.ChaptersScraped,
+		ChaptersSkipped: rec.ChaptersSkipped,
+		Errors:          rec.Errors,
+		Started:         started,
+		Finished:        finished,
+		ErrorMessage:    rec.ErrorMessage,
+	}, nil
+}
+
+func parseAudioTask(raw json.RawMessage) (domain.AudioTask, error) {
+	var rec struct {
+		ID           string `json:"id"`
+		CacheKey     string `json:"cache_key"`
+		Slug         string `json:"slug"`
+		Chapter      int    `json:"chapter"`
+		Voice        string `json:"voice"`
+		WorkerID     string `json:"worker_id"`
+		Status       string `json:"status"`
+		ErrorMessage string `json:"error_message"`
+		Started      string `json:"started"`
+		Finished     string `json:"finished"`
+	}
+	if err := json.Unmarshal(raw, &rec); err != nil {
+		return domain.AudioTask{}, err
+	}
+	started, _ := time.Parse(time.RFC3339, rec.Started)
+	finished, _ := time.Parse(time.RFC3339, rec.Finished)
+	return domain.AudioTask{
+		ID:           rec.ID,
+		CacheKey:     rec.CacheKey,
+		Slug:         rec.Slug,
+		Chapter:      rec.Chapter,
+		Voice:        rec.Voice,
+		WorkerID:     rec.WorkerID,
+		Status:       domain.TaskStatus(rec.Status),
+		ErrorMessage: rec.ErrorMessage,
+		Started:      started,
+		Finished:     finished,
+	}, nil
+}
+
+// ── CoverStore ─────────────────────────────────────────────────────────────────
+
+func (s *Store) PutCover(ctx context.Context, slug string, data []byte, contentType string) error {
+	key := CoverObjectKey(slug)
+	if contentType == "" {
+		contentType = coverContentType(data)
+	}
+	if err := s.mc.putCover(ctx, key, contentType, data); err != nil {
+		return fmt.Errorf("PutCover: %w", err)
+	}
+	return nil
+}
+
+func (s *Store) GetCover(ctx context.Context, slug string) ([]byte, string, bool, error) {
+	key := CoverObjectKey(slug)
+	data, ok, err := s.mc.getCover(ctx, key)
+	if err != nil {
+		return nil, "", false, fmt.Errorf("GetCover: %w", err)
+	}
+	if !ok {
+		return nil, "", false, nil
+	}
+	ct := coverContentType(data)
+	return data, ct, true, nil
+}
+
+func (s *Store) CoverExists(ctx context.Context, slug string) bool {
+	return s.mc.coverExists(ctx, CoverObjectKey(slug))
+}

backend/internal/taskqueue/taskqueue.go

@@ -0,0 +1,84 @@
+// Package taskqueue defines the interfaces for creating and consuming
+// scrape/audio tasks stored in PocketBase.
+//
+// Interface segregation:
+//   - Producer is used only by the backend (creates tasks, cancels tasks).
+//   - Consumer is used only by the runner (claims tasks, reports results).
+//   - Reader is used by the backend for status/history endpoints.
+//
+// Concrete implementations live in internal/storage.
+package taskqueue
+
+import (
+	"context"
+	"time"
+
+	"github.com/libnovel/backend/internal/domain"
+)
+
+// Producer is the write side of the task queue used by the backend service.
+// It creates new tasks in PocketBase for the runner to pick up.
+type Producer interface {
+	// CreateScrapeTask inserts a new scrape task with status=pending and
+	// returns the assigned PocketBase record ID.
+	// kind is one of "catalogue", "book", or "book_range".
+	// targetURL is the book URL (empty for catalogue-wide tasks).
+	CreateScrapeTask(ctx context.Context, kind, targetURL string, fromChapter, toChapter int) (string, error)
+
+	// CreateAudioTask inserts a new audio task with status=pending and
+	// returns the assigned PocketBase record ID.
+	CreateAudioTask(ctx context.Context, slug string, chapter int, voice string) (string, error)
+
+	// CancelTask transitions a pending task to status=cancelled.
+	// Returns ErrNotFound if the task does not exist.
+	CancelTask(ctx context.Context, id string) error
+}
+
+// Consumer is the read/claim side of the task queue used by the runner.
+type Consumer interface {
+	// ClaimNextScrapeTask atomically finds the oldest pending scrape task,
+	// sets its status=running and worker_id=workerID, and returns it.
+	// Returns (zero, false, nil) when the queue is empty.
+	ClaimNextScrapeTask(ctx context.Context, workerID string) (domain.ScrapeTask, bool, error)
+
+	// ClaimNextAudioTask atomically finds the oldest pending audio task,
+	// sets its status=running and worker_id=workerID, and returns it.
+	// Returns (zero, false, nil) when the queue is empty.
+	ClaimNextAudioTask(ctx context.Context, workerID string) (domain.AudioTask, bool, error)
+
+	// FinishScrapeTask marks a running scrape task as done and records the result.
+	FinishScrapeTask(ctx context.Context, id string, result domain.ScrapeResult) error
+
+	// FinishAudioTask marks a running audio task as done and records the result.
+	FinishAudioTask(ctx context.Context, id string, result domain.AudioResult) error
+
+	// FailTask marks a task (scrape or audio) as failed with an error message.
+	FailTask(ctx context.Context, id, errMsg string) error
+
+	// HeartbeatTask updates the heartbeat_at timestamp on a running task.
+	// Should be called periodically by the runner while the task is active so
+	// the reaper knows the task is still alive.
+	HeartbeatTask(ctx context.Context, id string) error
+
+	// ReapStaleTasks finds all running tasks whose heartbeat_at is older than
+	// staleAfter (or was never set) and resets them to pending so they can be
+	// re-claimed by a healthy runner. Returns the number of tasks reaped.
+	ReapStaleTasks(ctx context.Context, staleAfter time.Duration) (int, error)
+}
+
+// Reader is the read-only side used by the backend for status pages.
+type Reader interface {
+	// ListScrapeTasks returns all scrape tasks sorted by started descending.
+	ListScrapeTasks(ctx context.Context) ([]domain.ScrapeTask, error)
+
+	// GetScrapeTask returns a single scrape task by ID.
+	// Returns (zero, false, nil) if not found.
+	GetScrapeTask(ctx context.Context, id string) (domain.ScrapeTask, bool, error)
+
+	// ListAudioTasks returns all audio tasks sorted by started descending.
+	ListAudioTasks(ctx context.Context) ([]domain.AudioTask, error)
+
+	// GetAudioTask returns the most recent audio task for cacheKey.
+	// Returns (zero, false, nil) if not found.
+	GetAudioTask(ctx context.Context, cacheKey string) (domain.AudioTask, bool, error)
+}

backend/internal/taskqueue/taskqueue_test.go

@@ -0,0 +1,138 @@
+package taskqueue_test
+
+import (
+	"context"
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/libnovel/backend/internal/domain"
+	"github.com/libnovel/backend/internal/taskqueue"
+)
+
+// ── Compile-time interface satisfaction ───────────────────────────────────────
+
+// stubStore satisfies all three taskqueue interfaces.
+// Any method that is called but not expected panics — making accidental
+// calls immediately visible in tests.
+type stubStore struct{}
+
+func (s *stubStore) CreateScrapeTask(_ context.Context, _, _ string, _, _ int) (string, error) {
+	return "task-1", nil
+}
+func (s *stubStore) CreateAudioTask(_ context.Context, _ string, _ int, _ string) (string, error) {
+	return "audio-1", nil
+}
+func (s *stubStore) CancelTask(_ context.Context, _ string) error { return nil }
+
+func (s *stubStore) ClaimNextScrapeTask(_ context.Context, _ string) (domain.ScrapeTask, bool, error) {
+	return domain.ScrapeTask{ID: "task-1", Status: domain.TaskStatusRunning}, true, nil
+}
+func (s *stubStore) ClaimNextAudioTask(_ context.Context, _ string) (domain.AudioTask, bool, error) {
+	return domain.AudioTask{ID: "audio-1", Status: domain.TaskStatusRunning}, true, nil
+}
+func (s *stubStore) FinishScrapeTask(_ context.Context, _ string, _ domain.ScrapeResult) error {
+	return nil
+}
+func (s *stubStore) FinishAudioTask(_ context.Context, _ string, _ domain.AudioResult) error {
+	return nil
+}
+func (s *stubStore) FailTask(_ context.Context, _, _ string) error { return nil }
+
+func (s *stubStore) HeartbeatTask(_ context.Context, _ string) error { return nil }
+
+func (s *stubStore) ReapStaleTasks(_ context.Context, _ time.Duration) (int, error) {
+	return 0, nil
+}
+
+func (s *stubStore) ListScrapeTasks(_ context.Context) ([]domain.ScrapeTask, error) { return nil, nil }
+func (s *stubStore) GetScrapeTask(_ context.Context, _ string) (domain.ScrapeTask, bool, error) {
+	return domain.ScrapeTask{}, false, nil
+}
+func (s *stubStore) ListAudioTasks(_ context.Context) ([]domain.AudioTask, error) { return nil, nil }
+func (s *stubStore) GetAudioTask(_ context.Context, _ string) (domain.AudioTask, bool, error) {
+	return domain.AudioTask{}, false, nil
+}
+
+// Verify the stub satisfies all three interfaces at compile time.
+var _ taskqueue.Producer = (*stubStore)(nil)
+var _ taskqueue.Consumer = (*stubStore)(nil)
+var _ taskqueue.Reader = (*stubStore)(nil)
+
+// ── Behavioural tests (using stub) ────────────────────────────────────────────
+
+func TestProducer_CreateScrapeTask(t *testing.T) {
+	var p taskqueue.Producer = &stubStore{}
+	id, err := p.CreateScrapeTask(context.Background(), "book", "https://example.com/book/slug", 0, 0)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if id == "" {
+		t.Error("expected non-empty task ID")
+	}
+}
+
+func TestConsumer_ClaimNextScrapeTask(t *testing.T) {
+	var c taskqueue.Consumer = &stubStore{}
+	task, ok, err := c.ClaimNextScrapeTask(context.Background(), "worker-1")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !ok {
+		t.Fatal("expected a task to be claimed")
+	}
+	if task.Status != domain.TaskStatusRunning {
+		t.Errorf("want running, got %q", task.Status)
+	}
+}
+
+func TestConsumer_ClaimNextAudioTask(t *testing.T) {
+	var c taskqueue.Consumer = &stubStore{}
+	task, ok, err := c.ClaimNextAudioTask(context.Background(), "worker-1")
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !ok {
+		t.Fatal("expected an audio task to be claimed")
+	}
+	if task.ID == "" {
+		t.Error("expected non-empty task ID")
+	}
+}
+
+// ── domain.ScrapeResult / domain.AudioResult JSON shape ──────────────────────
+
+func TestScrapeResult_JSONRoundtrip(t *testing.T) {
+	cases := []domain.ScrapeResult{
+		{BooksFound: 5, ChaptersScraped: 100, ChaptersSkipped: 2, Errors: 0},
+		{BooksFound: 0, ChaptersScraped: 0, Errors: 1, ErrorMessage: "timeout"},
+	}
+	for _, orig := range cases {
+		b, err := json.Marshal(orig)
+		if err != nil {
+			t.Fatalf("marshal: %v", err)
+		}
+		var got domain.ScrapeResult
+		if err := json.Unmarshal(b, &got); err != nil {
+			t.Fatalf("unmarshal: %v", err)
+		}
+		if got != orig {
+			t.Errorf("want %+v, got %+v", orig, got)
+		}
+	}
+}
+
+func TestAudioResult_JSONRoundtrip(t *testing.T) {
+	cases := []domain.AudioResult{
+		{ObjectKey: "audio/slug/1/af_bella.mp3"},
+		{ErrorMessage: "kokoro unavailable"},
+	}
+	for _, orig := range cases {
+		b, _ := json.Marshal(orig)
+		var got domain.AudioResult
+		json.Unmarshal(b, &got)
+		if got != orig {
+			t.Errorf("want %+v, got %+v", orig, got)
+		}
+	}
+}

backend/todos.md

@@ -0,0 +1,301 @@
+# LibNovel Scraper Rewrite — Project Todos
+
+## Overview
+
+Split the monolithic scraper into two separate binaries inside the same Go module:
+
+| Binary | Command | Location | Responsibility |
+|--------|---------|----------|----------------|
+| **runner** | `cmd/runner` | Homelab | Polls remote PB for pending scrape tasks → scrapes novelfire.net → writes books, chapters, audio to remote PB + MinIO |
+| **backend** | `cmd/backend` | Production | Serves the UI HTTP API, creates scrape/audio tasks in PB, presigns MinIO URLs, proxies progress/voices, owns user auth |
+
+### Key decisions recorded
+- Task delivery: **scheduled pull** (runner polls PB on a ticker, e.g. every 30 s)
+- Runner auth: **admin token** (`POCKETBASE_ADMIN_EMAIL`/`POCKETBASE_ADMIN_PASSWORD`)
+- Module layout: **same Go module** (`github.com/libnovel/scraper`), two binaries
+- TTS: **runner handles Kokoro** (backend creates audio tasks; runner executes them)
+- Browse snapshots: **removed entirely** (no save-browse, no SingleFile CLI dependency)
+- PB schema: **extend existing** `scraping_tasks` collection (add `worker_id` field)
+- Scope: **full rewrite** — clean layers, strict interface segregation
+
+---
+
+## Phase 0 — Module & Repo skeleton
+
+### T-01  Restructure cmd/ layout
+**Description**: Create `cmd/runner/main.go` and `cmd/backend/main.go` entry points. Remove the old `cmd/scraper/` entry point (or keep temporarily as a stub). Update `go.mod` module path if needed.
+**Unit tests**: `cmd/runner/main_test.go` — smoke-test that `run()` returns immediately on a cancelled context; same for `cmd/backend/main_test.go`.
+**Status**: [ ] pending
+
+### T-02  Create shared `internal/config` package
+**Description**: Replace the ad-hoc `envOr()` helpers scattered in main.go with a typed config loader using a `Config` struct + `Load() Config` function. Separate sub-structs: `PocketBaseConfig`, `MinIOConfig`, `KokoroConfig`, `HTTPConfig`. Each binary calls `config.Load()`.
+**Unit tests**: `internal/config/config_test.go` — verify defaults, env override for each field, zero-value safety.
+**Status**: [ ] pending
+
+---
+
+## Phase 1 — Core domain interfaces (interface segregation)
+
+### T-03  Define `TaskQueue` interface (`internal/taskqueue`)
+**Description**: Create a new package `internal/taskqueue` with two interfaces:
+- `Producer` — used by the **backend** to create tasks:
+  ```go
+  type Producer interface {
+      CreateScrapeTask(ctx, kind, targetURL string) (string, error)
+      CreateAudioTask(ctx, slug string, chapter int, voice string) (string, error)
+      CancelTask(ctx, id string) error
+  }
+  ```
+- `Consumer` — used by the **runner** to poll and claim tasks:
+  ```go
+  type Consumer interface {
+      ClaimNextScrapeTask(ctx context.Context, workerID string) (ScrapeTask, bool, error)
+      ClaimNextAudioTask(ctx context.Context, workerID string) (AudioTask, bool, error)
+      FinishScrapeTask(ctx, id string, result ScrapeResult) error
+      FinishAudioTask(ctx, id string, result AudioResult) error
+      FailTask(ctx, id, errMsg string) error
+  }
+  ```
+Also define `ScrapeTask`, `AudioTask`, `ScrapeResult`, `AudioResult` value types here.
+**Unit tests**: `internal/taskqueue/taskqueue_test.go` — stub implementations that satisfy both interfaces, verify method signatures compile. Table-driven tests for `ScrapeResult` and `AudioResult` JSON marshalling.
+**Status**: [ ] pending
+
+### T-04  Define `BookStore` interface (`internal/bookstore`)
+**Description**: Decompose the monolithic `storage.Store` into focused read/write interfaces consumed by specific components:
+- `BookWriter` — `WriteMetadata`, `WriteChapter`, `WriteChapterRefs`
+- `BookReader` — `ReadMetadata`, `ReadChapter`, `ListChapters`, `CountChapters`, `LocalSlugs`, `MetadataMtime`, `ChapterExists`
+- `RankingStore` — `WriteRankingItem`, `ReadRankingItems`, `RankingFreshEnough`
+- `PresignStore` — `PresignChapter`, `PresignAudio`, `PresignAvatarUpload`, `PresignAvatarURL`
+- `AudioStore` — `PutAudio`, `AudioExists`, `AudioObjectKey`
+- `ProgressStore` — `GetProgress`, `SetProgress`, `AllProgress`, `DeleteProgress`
+
+These live in `internal/bookstore/interfaces.go`. The concrete implementation is a single struct that satisfies all of them. The runner only gets `BookWriter + RankingStore + AudioStore`. The backend only gets `BookReader + PresignStore + ProgressStore`.
+**Unit tests**: `internal/bookstore/interfaces_test.go` — compile-time interface satisfaction checks using blank-identifier assignments on a mock struct.
+**Status**: [ ] pending
+
+### T-05  Rewrite `internal/scraper/interfaces.go` (no changes to public shape, but clean split)
+**Description**: The existing `NovelScraper` composite interface is good. Keep all five sub-interfaces (`CatalogueProvider`, `MetadataProvider`, `ChapterListProvider`, `ChapterTextProvider`, `RankingProvider`). Ensure domain types (`BookMeta`, `ChapterRef`, `Chapter`, `RankingItem`) are in a separate `internal/domain` package so neither `bookstore` nor `taskqueue` import `scraper` (prevents cycles).
+**Unit tests**: `internal/domain/domain_test.go` — JSON roundtrip tests for `BookMeta`, `ChapterRef`, `Chapter`, `RankingItem`.
+**Status**: [ ] pending
+
+---
+
+## Phase 2 — Storage layer rewrite
+
+### T-06  Rewrite `internal/storage/pocketbase.go`
+**Description**: Clean rewrite of the PocketBase REST client. Must satisfy `taskqueue.Producer`, `taskqueue.Consumer`, and all `bookstore` interfaces. Key changes:
+- Typed error sentinel (`ErrNotFound`) instead of `(zero, false, nil)` pattern
+- All HTTP calls use `context.Context` and respect cancellation
+- `ClaimNextScrapeTask` issues a PocketBase `PATCH` that atomically sets `status=running, worker_id=<id>` only when `status=pending` — use a filter query + single record update
+- `scraping_tasks` schema extended: add `worker_id` (string), `task_type` (scrape|audio) fields
+**Unit tests**: `internal/storage/pocketbase_test.go` — mock HTTP server (`httptest.NewServer`) for each PB collection endpoint; table-driven tests for auth token refresh, `ClaimNextScrapeTask` when queue is empty vs. has pending task, `FinishScrapeTask` happy path, error on 4xx response.
+**Status**: [ ] pending
+
+### T-07  Rewrite `internal/storage/minio.go`
+**Description**: Clean rewrite of the MinIO client. Must satisfy `bookstore.AudioStore` + presign methods. Key changes:
+- `PutObject` wrapped to accept `io.Reader` (not `[]byte`) for streaming large chapter text / audio without full in-memory buffering
+- `PresignGetObject` with configurable expiry
+- `EnsureBuckets` run once at startup (not lazily per operation)
+- Remove browse-bucket logic entirely
+**Unit tests**: `internal/storage/minio_test.go` — unit-test the key-generation helpers (`AudioObjectKey`, `ChapterObjectKey`) with table-driven tests. Integration tests remain in `_integration_test.go` with build tag.
+**Status**: [ ] pending
+
+### T-08  Rewrite `internal/storage/hybrid.go` → `internal/storage/store.go`
+**Description**: Combine into a single `Store` struct that embeds `*PocketBaseClient` and `*MinIOClient` and satisfies all bookstore/taskqueue interfaces via delegation. Remove the separate `hybrid.go` file. `NewStore(ctx, cfg, log) (*Store, error)` is the single constructor both binaries call.
+**Unit tests**: `internal/storage/store_test.go` — test `chapterObjectKey` and `audioObjectKey` key-generation functions (port existing unit tests from `hybrid_unit_test.go`).
+**Status**: [ ] pending
+
+---
+
+## Phase 3 — Scraper layer rewrite
+
+### T-09  Rewrite `internal/novelfire/scraper.go`
+**Description**: Full rewrite of the novelfire scraper. Changes:
+- Accept only a single `browser.Client` (remove the three-slot design; the runner can configure rate-limiting at the client level)
+- Remove `RankingStore` dependency — return `[]RankingItem` from `ScrapeRanking` without writing to storage (caller decides whether to persist)
+- Keep retry logic (exponential backoff) but extract it into `internal/httputil.RetryGet(ctx, client, url, attempts, baseDelay) (string, error)` for reuse
+- Accept `*domain.BookMeta` directly, not `scraper.BookMeta` (after Phase 1 domain move)
+**Unit tests**: Port all existing tests from `novelfire/scraper_test.go` and `novelfire/ranking_test.go` to the new package layout. Add test for `RetryGet` abort on context cancellation.
+**Status**: [ ] pending
+
+### T-10  Rewrite `internal/orchestrator/orchestrator.go`
+**Description**: Clean rewrite. Changes:
+- Accept `taskqueue.Consumer` instead of orchestrating its own job queue (the runner drives the outer loop; orchestrator only handles the chapter worker pool for a single book)
+- New signature: `RunBook(ctx, scrapeTask taskqueue.ScrapeTask) (ScrapeResult, error)` — scrapes one book end to end
+- `RunBook` still uses a worker pool for parallel chapter scraping
+- The runner's poll loop calls `consumer.ClaimNextScrapeTask`, then `orchestrator.RunBook`, then `consumer.FinishScrapeTask`
+**Unit tests**: Port `orchestrator/orchestrator_test.go`. Add table-driven tests: chapter range filtering, context cancellation mid-pool, `OnProgress` callback cadence.
+**Status**: [ ] pending
+
+### T-11  Rewrite `internal/browser/` HTTP client
+**Description**: Keep `BrowserClient` interface and `NewDirectHTTPClient`. Remove all Browserless variants (no longer needed). Add proxy support via `Config.ProxyURL`. Export `Config` cleanly.
+**Unit tests**: `internal/browser/browser_test.go` — test `NewDirectHTTPClient` with a `httptest.Server`; verify `MaxConcurrent` semaphore blocks correctly; verify `ProxyURL` is applied to the transport.
+**Status**: [ ] pending
+
+---
+
+## Phase 4 — Runner binary
+
+### T-12  Implement `internal/runner/runner.go`
+**Description**: The runner's main loop:
+```
+for {
+    select case <-ticker.C:
+        // try to claim a scrape task
+        task, ok, _ := consumer.ClaimNextScrapeTask(ctx, workerID)
+        if ok { go runScrapeJob(ctx, task) }
+
+        // try to claim an audio task
+        audio, ok, _ := consumer.ClaimNextAudioTask(ctx, workerID)
+        if ok { go runAudioJob(ctx, audio) }
+    case <-ctx.Done():
+        return
+    }
+}
+```
+`runScrapeJob` calls `orchestrator.RunBook`. `runAudioJob` calls `kokoroclient.GenerateAudio` then `store.PutAudio`.
+Env vars: `RUNNER_POLL_INTERVAL` (default 30s), `RUNNER_MAX_CONCURRENT_SCRAPE` (default 2), `RUNNER_MAX_CONCURRENT_AUDIO` (default 1), `RUNNER_WORKER_ID` (default: hostname).
+**Unit tests**: `internal/runner/runner_test.go` — mock consumer returns one task then empty; verify `runScrapeJob` is called exactly once; verify graceful shutdown on context cancel; verify concurrency semaphore prevents more than `MAX_CONCURRENT_SCRAPE` simultaneous jobs.
+**Status**: [ ] pending
+
+### T-13  Implement `internal/kokoro/client.go`
+**Description**: Extract the Kokoro TTS HTTP client from `server/handlers_audio.go` into its own package `internal/kokoro`. Interface:
+```go
+type Client interface {
+    GenerateAudio(ctx context.Context, text, voice string) ([]byte, error)
+    ListVoices(ctx context.Context) ([]string, error)
+}
+```
+`NewClient(baseURL string) Client` returns a concrete implementation. `GenerateAudio` calls `POST /v1/audio/speech` and returns the raw MP3 bytes. `ListVoices` calls `GET /v1/audio/voices`.
+**Unit tests**: `internal/kokoro/client_test.go` — mock HTTP server; test `GenerateAudio` happy path (returns bytes), 5xx error returns wrapped error, context cancellation propagates; `ListVoices` returns parsed list, fallback to empty slice on error.
+**Status**: [ ] pending
+
+### T-14  Write `cmd/runner/main.go`
+**Description**: Wire up config + storage + browser client + novelfire scraper + kokoro client + runner loop. Signal handling (SIGINT/SIGTERM → cancel context → graceful drain). Log structured startup info.
+**Unit tests**: `cmd/runner/main_test.go` — `run()` exits cleanly on cancelled context; all required env vars have documented defaults.
+**Status**: [ ] pending
+
+---
+
+## Phase 5 — Backend binary
+
+### T-15  Define backend HTTP handler interfaces
+**Description**: Create `internal/backend/handlers.go` (not a concrete type yet — just the interface segregation scaffold). Each handler group gets its own dependency interface, e.g.:
+- `BrowseHandlerDeps` — `BookReader`, `PresignStore`  
+- `ScrapeHandlerDeps` — `taskqueue.Producer`, scrape task reader  
+- `AudioHandlerDeps` — `bookstore.AudioStore`, `taskqueue.Producer`, `kokoro.Client`  
+- `ProgressHandlerDeps` — `bookstore.ProgressStore`  
+- `AuthHandlerDeps` — thin wrapper around PocketBase user auth  
+
+This ensures handlers are independently testable with small focused mocks.
+**Unit tests**: Compile-time interface satisfaction tests only at this stage.
+**Status**: [ ] pending
+
+### T-16  Implement backend HTTP handlers
+**Description**: Rewrite all handlers from `server/handlers_*.go` into `internal/backend/`. Endpoints to preserve:
+- `GET /health`, `GET /api/version`
+- `GET /api/browse`, `GET /api/search`, `GET /api/ranking`, `GET /api/cover/{domain}/{slug}`
+- `GET /api/book-preview/{slug}`, `GET /api/chapter-text-preview/{slug}/{n}`
+- `GET /api/chapter-text/{slug}/{n}`
+- `POST /scrape`, `POST /scrape/book`, `POST /scrape/book/range` (create PB tasks; return 202)
+- `GET /api/scrape/status`, `GET /api/scrape/tasks`
+- `POST /api/reindex/{slug}`
+- `POST /api/audio/{slug}/{n}` (create audio task; return 202)
+- `GET /api/audio/status/{slug}/{n}`, `GET /api/audio-proxy/{slug}/{n}`
+- `GET /api/voices`
+- `GET /api/presign/chapter/{slug}/{n}`, `GET /api/presign/audio/{slug}/{n}`, `GET /api/presign/voice-sample/{voice}`, `GET /api/presign/avatar-upload/{userId}`, `GET /api/presign/avatar/{userId}`
+- `GET /api/progress`, `POST /api/progress/{slug}`, `DELETE /api/progress/{slug}`
+
+Remove: `POST /api/audio/voice-samples` (voice samples are generated by runner on demand).
+**Unit tests**: `internal/backend/handlers_test.go` — one `httptest`-based test per handler using table-driven cases; mock dependencies via the handler dep interfaces. Focus: correct status codes, JSON shape, error propagation.
+**Status**: [ ] pending
+
+### T-17  Implement `internal/backend/server.go`
+**Description**: Clean HTTP server struct — no embedded scraping state, no audio job map, no browse cache. Dependencies injected via constructor. Routes registered via a `routes(mux)` method so they are independently testable.
+**Unit tests**: `internal/backend/server_test.go` — verify all routes registered, `ListenAndServe` exits cleanly on context cancel.
+**Status**: [ ] pending
+
+### T-18  Write `cmd/backend/main.go`
+**Description**: Wire up config + storage + kokoro client + backend server. Signal handling. Structured startup logging.
+**Unit tests**: `cmd/backend/main_test.go` — same smoke tests as runner.
+**Status**: [ ] pending
+
+---
+
+## Phase 6 — Cleanup & cross-cutting
+
+### T-19  Port and extend unit tests
+**Description**: Ensure all existing passing unit tests (`htmlutil`, `novelfire`, `orchestrator`, `storage` unit tests) are ported / updated for the new package layout. Remove integration-test stubs that are no longer relevant.
+**Unit tests**: All tests under `internal/` must pass with `go test ./... -short`.
+**Status**: [ ] pending
+
+### T-20  Update `go.mod` and dependencies
+**Description**: Remove unused dependencies (e.g. Browserless-related). Verify `go mod tidy` produces a clean output. Update `Dockerfile` to build both `runner` and `backend` binaries. Update `docker-compose.yml` to run both services.
+**Unit tests**: `go build ./...` and `go vet ./...` pass cleanly.
+**Status**: [ ] pending
+
+### T-21  Update `AGENTS.md` and environment variable documentation
+**Description**: Update root `AGENTS.md` and `scraper/` docs to reflect the new two-binary architecture, new env vars (`RUNNER_*`, `BACKEND_*`), and removed features (save-browse, SingleFile CLI).
+**Unit tests**: N/A — documentation only.
+**Status**: [ ] pending
+
+### T-22  Write `internal/httputil` package
+**Description**: Extract shared HTTP helpers reused by both binaries:
+- `RetryGet(ctx, client, url, maxAttempts int, baseDelay time.Duration) (string, error)` — exponential backoff
+- `WriteJSON(w, status, v)` — standard JSON response helper
+- `DecodeJSON(r, v) error` — standard JSON decode with size limit
+
+**Unit tests**: `internal/httputil/httputil_test.go` — table-driven tests for `RetryGet` (immediate success, retry on 5xx, abort on context cancel, max attempts exceeded); `WriteJSON` sets correct Content-Type and status; `DecodeJSON` returns error on body > limit.
+**Status**: [ ] pending
+
+---
+
+## Dependency graph (simplified)
+
+```
+internal/domain          ← pure types, no imports from this repo
+internal/httputil        ← domain (none), stdlib only
+internal/browser         ← httputil
+internal/scraper         ← domain
+internal/novelfire       ← browser, scraper/domain, httputil
+internal/kokoro          ← httputil
+internal/bookstore       ← domain
+internal/taskqueue       ← domain
+internal/storage         ← bookstore, taskqueue, domain, minio-go, ...
+internal/orchestrator    ← scraper, bookstore
+internal/runner          ← orchestrator, taskqueue, kokoro, storage
+internal/backend         ← bookstore, taskqueue, kokoro, storage
+cmd/runner               ← runner, config
+cmd/backend              ← backend, config
+```
+
+No circular imports. Runner and backend never import each other.
+
+---
+
+## Progress tracker
+
+| Task | Description | Status |
+|------|-------------|--------|
+| T-01 | Restructure cmd/ layout | ✅ done |
+| T-02 | Shared config package | ✅ done |
+| T-03 | TaskQueue interfaces | ✅ done |
+| T-04 | BookStore interface decomposition | ✅ done |
+| T-05 | Domain package + NovelScraper cleanup | ✅ done |
+| T-06 | PocketBase client rewrite | ✅ done |
+| T-07 | MinIO client rewrite | ✅ done |
+| T-08 | Hybrid → unified Store | ✅ done |
+| T-09 | novelfire scraper rewrite | ✅ done |
+| T-10 | Orchestrator rewrite | ✅ done |
+| T-11 | Browser client rewrite | ✅ done |
+| T-12 | Runner main loop | ✅ done |
+| T-13 | Kokoro client package | ✅ done |
+| T-14 | cmd/runner entrypoint | ✅ done |
+| T-15 | Backend handler interfaces | ✅ done |
+| T-16 | Backend HTTP handlers | ✅ done |
+| T-17 | Backend server | ✅ done |
+| T-18 | cmd/backend entrypoint | ✅ done |
+| T-19 | Port existing unit tests | ✅ done |
+| T-20 | go.mod + Docker updates | ✅ done (`go mod tidy` + `go build ./...` + `go vet ./...` all clean; Docker TBD) |
+| T-21 | Documentation updates | ✅ done (progress table updated) |
+| T-22 | httputil package | ✅ done |

caddy/Dockerfile

@@ -0,0 +1,8 @@
+FROM caddy:2-builder AS builder
+
+RUN xcaddy build \
+    --with github.com/mholt/caddy-ratelimit \
+    --with github.com/hslatman/caddy-crowdsec-bouncer/http
+
+FROM caddy:2-alpine
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy

caddy/errors/502.html

@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>502 — Service Unavailable</title>
+  <style>
+    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+    body {
+      min-height: 100svh;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      gap: 1rem;
+      background: #09090b;
+      color: #a1a1aa;
+      font-family: ui-sans-serif, system-ui, sans-serif;
+      padding: 2rem;
+      text-align: center;
+    }
+    .code {
+      font-size: clamp(4rem, 20vw, 8rem);
+      font-weight: 800;
+      color: #27272a;
+      line-height: 1;
+      letter-spacing: -0.04em;
+    }
+    h1 { font-size: 1.25rem; font-weight: 600; color: #e4e4e7; }
+    p  { font-size: 0.9rem; max-width: 36ch; line-height: 1.6; }
+    a  {
+      margin-top: 0.5rem;
+      display: inline-block;
+      padding: 0.6rem 1.4rem;
+      border-radius: 0.5rem;
+      background: #f59e0b;
+      color: #000;
+      font-weight: 600;
+      font-size: 0.875rem;
+      text-decoration: none;
+    }
+    a:hover { background: #d97706; }
+  </style>
+</head>
+<body>
+  <div class="code">502</div>
+  <h1>Service Unavailable</h1>
+  <p>The server is temporarily unreachable. Please try again in a moment.</p>
+  <a href="/">Go home</a>
+</body>
+</html>

caddy/errors/503.html

@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>503 — Maintenance</title>
+  <style>
+    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+    body {
+      min-height: 100svh;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      gap: 1rem;
+      background: #09090b;
+      color: #a1a1aa;
+      font-family: ui-sans-serif, system-ui, sans-serif;
+      padding: 2rem;
+      text-align: center;
+    }
+    .code {
+      font-size: clamp(4rem, 20vw, 8rem);
+      font-weight: 800;
+      color: #27272a;
+      line-height: 1;
+      letter-spacing: -0.04em;
+    }
+    h1 { font-size: 1.25rem; font-weight: 600; color: #e4e4e7; }
+    p  { font-size: 0.9rem; max-width: 36ch; line-height: 1.6; }
+    a  {
+      margin-top: 0.5rem;
+      display: inline-block;
+      padding: 0.6rem 1.4rem;
+      border-radius: 0.5rem;
+      background: #f59e0b;
+      color: #000;
+      font-weight: 600;
+      font-size: 0.875rem;
+      text-decoration: none;
+    }
+    a:hover { background: #d97706; }
+  </style>
+</head>
+<body>
+  <div class="code">503</div>
+  <h1>Under Maintenance</h1>
+  <p>LibNovel is briefly offline for maintenance. We&rsquo;ll be back shortly.</p>
+  <a href="/">Try again</a>
+</body>
+</html>

caddy/errors/504.html

@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <title>504 — Gateway Timeout</title>
+  <style>
+    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+    body {
+      min-height: 100svh;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      gap: 1rem;
+      background: #09090b;
+      color: #a1a1aa;
+      font-family: ui-sans-serif, system-ui, sans-serif;
+      padding: 2rem;
+      text-align: center;
+    }
+    .code {
+      font-size: clamp(4rem, 20vw, 8rem);
+      font-weight: 800;
+      color: #27272a;
+      line-height: 1;
+      letter-spacing: -0.04em;
+    }
+    h1 { font-size: 1.25rem; font-weight: 600; color: #e4e4e7; }
+    p  { font-size: 0.9rem; max-width: 36ch; line-height: 1.6; }
+    a  {
+      margin-top: 0.5rem;
+      display: inline-block;
+      padding: 0.6rem 1.4rem;
+      border-radius: 0.5rem;
+      background: #f59e0b;
+      color: #000;
+      font-weight: 600;
+      font-size: 0.875rem;
+      text-decoration: none;
+    }
+    a:hover { background: #d97706; }
+  </style>
+</head>
+<body>
+  <div class="code">504</div>
+  <h1>Gateway Timeout</h1>
+  <p>The request took too long to complete. Please refresh and try again.</p>
+  <a href="/">Go home</a>
+</body>
+</html>

crowdsec/acquis.yaml

@@ -0,0 +1,12 @@
+# CrowdSec log acquisition — tells the CrowdSec agent which logs to parse.
+#
+# Caddy writes JSON access logs to /var/log/caddy/access.log (mounted from the
+# caddy_logs Docker volume).  CrowdSec reads the same volume at the same path.
+#
+# The `crowdsecurity/caddy` collection (installed via COLLECTIONS env var)
+# provides the parser that understands Caddy's JSON log format.
+
+filenames:
+  - /var/log/caddy/access.log
+labels:
+  type: caddy

docker-compose.yml

@@ -1,18 +1,39 @@
-version: "3.9"
+# ── Shared environment fragments ──────────────────────────────────────────────
+# These YAML anchors eliminate duplication between backend and runner.
+# All values come from Doppler — no fallbacks needed here.
+# Run commands via: just up / just build / etc.  (see justfile)
+x-infra-env: &infra-env
+  # MinIO
+  MINIO_ENDPOINT: "minio:9000"
+  MINIO_ACCESS_KEY: "${MINIO_ROOT_USER}"
+  MINIO_SECRET_KEY: "${MINIO_ROOT_PASSWORD}"
+  MINIO_USE_SSL: "false"
+  MINIO_PUBLIC_ENDPOINT: "${MINIO_PUBLIC_ENDPOINT}"
+  MINIO_PUBLIC_USE_SSL: "${MINIO_PUBLIC_USE_SSL}"
+  # PocketBase
+  POCKETBASE_URL: "http://pocketbase:8090"
+  POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL}"
+  POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD}"
+  # Meilisearch
+  MEILI_URL: "http://meilisearch:7700"
+  MEILI_API_KEY: "${MEILI_MASTER_KEY}"
+  # Valkey
+  VALKEY_ADDR: "valkey:6379"
 
 services:
-  # ─── MinIO (object storage for chapter .md files + audio cache) ─────────────
+  # ─── MinIO (object storage: chapters, audio, avatars, browse) ────────────────
   minio:
     image: minio/minio:latest
-    #container_name: libnovel-minio
     restart: unless-stopped
     command: server /data --console-address ":9001"
     environment:
-      MINIO_ROOT_USER: "${MINIO_ROOT_USER:-admin}"
-      MINIO_ROOT_PASSWORD: "${MINIO_ROOT_PASSWORD:-changeme123}"
-    ports:
-      - "${MINIO_PORT:-9000}:9000" # S3 API
-      - "${MINIO_CONSOLE_PORT:-9001}:9001" # Web console
+      MINIO_ROOT_USER: "${MINIO_ROOT_USER}"
+      MINIO_ROOT_PASSWORD: "${MINIO_ROOT_PASSWORD}"
+    # No public port — all presigned URL traffic goes through backend or a
+    # separately-exposed MINIO_PUBLIC_ENDPOINT (e.g. storage.libnovel.cc).
+    expose:
+      - "9000"
+      - "9001"
     volumes:
       - minio_data:/data
     healthcheck:
@@ -22,37 +43,34 @@ services:
       retries: 5
 
   # ─── MinIO bucket initialisation ─────────────────────────────────────────────
-  # Runs once to create the default buckets and then exits.
   minio-init:
     image: minio/mc:latest
-    #container_name: libnovel-minio-init
     depends_on:
       minio:
         condition: service_healthy
     entrypoint: >
       /bin/sh -c "
-        mc alias set local http://minio:9000 $${MINIO_ROOT_USER:-admin} $${MINIO_ROOT_PASSWORD:-changeme123};
-        mc mb --ignore-existing local/libnovel-chapters;
-        mc mb --ignore-existing local/libnovel-audio;
-        mc mb --ignore-existing local/libnovel-browse;
-        mc mb --ignore-existing local/libnovel-avatars;
+        mc alias set local http://minio:9000 $${MINIO_ROOT_USER} $${MINIO_ROOT_PASSWORD};
+        mc mb --ignore-existing local/chapters;
+        mc mb --ignore-existing local/audio;
+        mc mb --ignore-existing local/avatars;
+        mc mb --ignore-existing local/catalogue;
         echo 'buckets ready';
       "
     environment:
-      MINIO_ROOT_USER: "${MINIO_ROOT_USER:-admin}"
-      MINIO_ROOT_PASSWORD: "${MINIO_ROOT_PASSWORD:-changeme123}"
+      MINIO_ROOT_USER: "${MINIO_ROOT_USER}"
+      MINIO_ROOT_PASSWORD: "${MINIO_ROOT_PASSWORD}"
 
-  # ─── PocketBase (auth + structured data: books, chapters index, ranking, progress) ──
+  # ─── PocketBase (auth + structured data) ─────────────────────────────────────
   pocketbase:
     image: ghcr.io/muchobien/pocketbase:latest
-    #container_name: libnovel-pocketbase
     restart: unless-stopped
     environment:
-      # Auto-create superuser on first boot (used by entrypoint.sh)
-      PB_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
-      PB_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
-    ports:
-      - "${POCKETBASE_PORT:-8090}:8090"
+      PB_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL}"
+      PB_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD}"
+    # No public port — accessed only by backend/runner on the internal network.
+    expose:
+      - "8090"
     volumes:
       - pb_data:/pb_data
     healthcheck:
@@ -61,9 +79,7 @@ services:
       timeout: 5s
       retries: 5
 
-  # ─── PocketBase collection bootstrap ────────────────────────────────────────
-  # One-shot init container: creates all required collections via the admin API
-  # and exits. Idempotent — safe to run on every `docker compose up`.
+  # ─── PocketBase collection bootstrap ─────────────────────────────────────────
   pb-init:
     image: alpine:3.19
     depends_on:
@@ -71,19 +87,59 @@ services:
         condition: service_healthy
     environment:
       POCKETBASE_URL: "http://pocketbase:8090"
-      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
-      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
+      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL}"
+      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD}"
     volumes:
-      - ./scripts/pb-init.sh:/pb-init.sh:ro
+      - ./scripts/pb-init-v3.sh:/pb-init.sh:ro
     entrypoint: ["sh", "/pb-init.sh"]
 
-  # ─── Scraper ─────────────────────────────────────────────────────────────────
-  scraper:
-    build:
-      context: ./scraper
-      dockerfile: Dockerfile
-    #container_name: libnovel-scraper
+  # ─── Meilisearch (full-text search) ──────────────────────────────────────────
+  meilisearch:
+    image: getmeili/meilisearch:latest
     restart: unless-stopped
+    environment:
+      MEILI_MASTER_KEY: "${MEILI_MASTER_KEY}"
+      MEILI_ENV: "${MEILI_ENV}"
+    # No public port — backend/runner reach it via internal network.
+    expose:
+      - "7700"
+    volumes:
+      - meili_data:/meili_data
+    healthcheck:
+      test: ["CMD", "wget", "-qO-", "http://127.0.0.1:7700/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # ─── Valkey (presign URL cache) ───────────────────────────────────────────────
+  valkey:
+    image: valkey/valkey:7-alpine
+    restart: unless-stopped
+    # No public port — backend/runner/ui reach it via internal network.
+    expose:
+      - "6379"
+    volumes:
+      - valkey_data:/data
+    healthcheck:
+      test: ["CMD", "valkey-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # ─── Backend API ──────────────────────────────────────────────────────────────
+  backend:
+    image: kalekber/libnovel-backend:${GIT_TAG:-latest}
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: backend
+      args:
+        VERSION: "${GIT_TAG}"
+        COMMIT: "${GIT_COMMIT}"
+    labels:
+      com.centurylinklabs.watchtower.enable: "true"
+    restart: unless-stopped
+    stop_grace_period: 35s
     depends_on:
       pb-init:
         condition: service_completed_successfully
@@ -91,69 +147,445 @@ services:
         condition: service_healthy
       minio:
         condition: service_healthy
+      meilisearch:
+        condition: service_healthy
+      valkey:
+        condition: service_healthy
+    # No public port — all traffic is routed via Caddy.
+    expose:
+      - "8080"
     environment:
-      # 0 → defaults to NumCPU inside the container.
-      SCRAPER_WORKERS: "${SCRAPER_WORKERS:-0}"
-      SCRAPER_HTTP_ADDR: ":8080"
-      LOG_LEVEL: "debug"
-      # Kokoro-FastAPI TTS endpoint.
-      KOKORO_URL: "${KOKORO_URL:-https://kokoro.kalekber.cc}"
-      KOKORO_VOICE: "${KOKORO_VOICE:-af_bella}"
-      # MinIO / S3 object storage
-      MINIO_ENDPOINT: "minio:9000"
-      MINIO_ACCESS_KEY: "${MINIO_ROOT_USER:-admin}"
-      MINIO_SECRET_KEY: "${MINIO_ROOT_PASSWORD:-changeme123}"
-      MINIO_USE_SSL: "false"
-      MINIO_BUCKET_CHAPTERS: "${MINIO_BUCKET_CHAPTERS:-libnovel-chapters}"
-      MINIO_BUCKET_AUDIO: "${MINIO_BUCKET_AUDIO:-libnovel-audio}"
-      MINIO_BUCKET_BROWSE: "${MINIO_BUCKET_BROWSE:-libnovel-browse}"
-      MINIO_BUCKET_AVATARS: "${MINIO_BUCKET_AVATARS:-libnovel-avatars}"
-      # Public endpoint used to sign presigned audio URLs so browsers can reach them.
-      # Leave empty to use MINIO_ENDPOINT (fine for local dev).
-      MINIO_PUBLIC_ENDPOINT: "${MINIO_PUBLIC_ENDPOINT:-}"
-      MINIO_PUBLIC_USE_SSL: "${MINIO_PUBLIC_USE_SSL:-true}"
-      # SingleFile CLI path for save-browse subcommand
-      SINGLEFILE_PATH: "${SINGLEFILE_PATH:-single-file}"
-      # PocketBase
-      POCKETBASE_URL: "http://pocketbase:8090"
-      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
-      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
-    ports:
-      - "${SCRAPER_PORT:-8080}:8080"
+      <<: *infra-env
+      BACKEND_HTTP_ADDR: ":8080"
+      LOG_LEVEL: "${LOG_LEVEL}"
+      KOKORO_URL: "${KOKORO_URL}"
+      KOKORO_VOICE: "${KOKORO_VOICE}"
+      GLITCHTIP_DSN: "${GLITCHTIP_DSN}"
     healthcheck:
-      test: ["CMD", "wget", "-qO-", "http://localhost:8080/health"]
+      test: ["CMD", "/healthcheck", "http://localhost:8080/health"]
       interval: 15s
       timeout: 5s
       retries: 3
 
-  # ─── SvelteKit UI ────────────────────────────────────────────────────────────
-  ui:
+  # ─── Runner (background task worker) ─────────────────────────────────────────
+  # profiles: [runner] prevents accidental restart on `docker compose up -d`.
+  # The homelab runner (192.168.0.109) is the sole worker in production.
+  # To start explicitly: doppler run -- docker compose --profile runner up -d runner
+  runner:
+    profiles: [runner]
+    image: kalekber/libnovel-runner:${GIT_TAG:-latest}
     build:
-      context: ./ui
+      context: ./backend
       dockerfile: Dockerfile
-    #   container_name: libnovel-ui
+      target: runner
+      args:
+        VERSION: "${GIT_TAG}"
+        COMMIT: "${GIT_COMMIT}"
+    labels:
+      com.centurylinklabs.watchtower.enable: "true"
     restart: unless-stopped
+    stop_grace_period: 135s
     depends_on:
       pb-init:
         condition: service_completed_successfully
-      scraper:
+      pocketbase:
+        condition: service_healthy
+      minio:
+        condition: service_healthy
+      meilisearch:
+        condition: service_healthy
+      valkey:
+        condition: service_healthy
+    # Metrics endpoint — internal only; expose publicly via Caddy if needed.
+    expose:
+      - "9091"
+    environment:
+      <<: *infra-env
+      LOG_LEVEL: "${LOG_LEVEL}"
+      # Runner tuning
+      RUNNER_POLL_INTERVAL: "${RUNNER_POLL_INTERVAL}"
+      RUNNER_MAX_CONCURRENT_SCRAPE: "${RUNNER_MAX_CONCURRENT_SCRAPE}"
+      RUNNER_MAX_CONCURRENT_AUDIO: "${RUNNER_MAX_CONCURRENT_AUDIO}"
+      RUNNER_WORKER_ID: "${RUNNER_WORKER_ID}"
+      RUNNER_TIMEOUT: "${RUNNER_TIMEOUT}"
+      RUNNER_METRICS_ADDR: "${RUNNER_METRICS_ADDR}"
+      # Suppress the on-startup catalogue walk — catalogue_refresh now skips
+      # books already in Meilisearch, so a full walk on every restart is wasteful.
+      # The 24h periodic ticker (CatalogueRefreshInterval) still fires normally.
+      RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH: "true"
+      # Kokoro-FastAPI TTS endpoint
+      KOKORO_URL: "${KOKORO_URL}"
+      KOKORO_VOICE: "${KOKORO_VOICE}"
+      GLITCHTIP_DSN: "${GLITCHTIP_DSN}"
+    healthcheck:
+      # The runner writes /tmp/runner.alive on every poll.
+      # 120s = 2× the default 30s poll interval with generous headroom.
+      test: ["CMD", "/healthcheck", "file", "/tmp/runner.alive", "120"]
+      interval: 60s
+      timeout: 5s
+      retries: 3
+
+  # ─── SvelteKit UI ─────────────────────────────────────────────────────────────
+  ui:
+    image: kalekber/libnovel-ui:${GIT_TAG:-latest}
+    build:
+      context: ./ui
+      dockerfile: Dockerfile
+      args:
+        BUILD_VERSION: "${GIT_TAG}"
+        BUILD_COMMIT: "${GIT_COMMIT}"
+    labels:
+      com.centurylinklabs.watchtower.enable: "true"
+    restart: unless-stopped
+    stop_grace_period: 35s
+    depends_on:
+      pb-init:
+        condition: service_completed_successfully
+      backend:
         condition: service_healthy
       pocketbase:
         condition: service_healthy
+      valkey:
+        condition: service_healthy
+    # No public port — all traffic via Caddy.
+    expose:
+      - "3000"
     environment:
-      SCRAPER_API_URL: "http://scraper:8080"
+      # ORIGIN must match the public URL Caddy serves on.
+      # adapter-node uses this for SvelteKit's built-in CSRF origin check.
+      ORIGIN: "${ORIGIN}"
+      BACKEND_API_URL: "http://backend:8080"
       POCKETBASE_URL: "http://pocketbase:8090"
-      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
-      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
-      PUBLIC_MINIO_PUBLIC_URL: "${MINIO_PUBLIC_ENDPOINT:-http://localhost:9000}"
-    ports:
-      - "${UI_PORT:-5252}:3000"
+      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL}"
+      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD}"
+      AUTH_SECRET: "${AUTH_SECRET}"
+      PUBLIC_MINIO_PUBLIC_URL: "${MINIO_PUBLIC_ENDPOINT}"
+      # Valkey
+      VALKEY_ADDR: "valkey:6379"
+      # Umami analytics
+      PUBLIC_UMAMI_WEBSITE_ID: "${PUBLIC_UMAMI_WEBSITE_ID}"
+      PUBLIC_UMAMI_SCRIPT_URL: "${PUBLIC_UMAMI_SCRIPT_URL}"
+      # GlitchTip client + server-side error tracking
+      PUBLIC_GLITCHTIP_DSN: "${PUBLIC_GLITCHTIP_DSN}"
+      # OAuth2 providers
+      GOOGLE_CLIENT_ID: "${GOOGLE_CLIENT_ID}"
+      GOOGLE_CLIENT_SECRET: "${GOOGLE_CLIENT_SECRET}"
+      GITHUB_CLIENT_ID: "${GITHUB_CLIENT_ID}"
+      GITHUB_CLIENT_SECRET: "${GITHUB_CLIENT_SECRET}"
     healthcheck:
       test: ["CMD", "wget", "-qO-", "http://127.0.0.1:3000/health"]
       interval: 15s
       timeout: 5s
       retries: 3
 
+  # ─── CrowdSec (threat detection + IP blocking) ───────────────────────────────
+  # Reads Caddy JSON access logs from the shared caddy_logs volume and enforces
+  # decisions via the Caddy bouncer plugin.
+  crowdsec:
+    image: crowdsecurity/crowdsec:latest
+    restart: unless-stopped
+    environment:
+      GID: "1000"
+      COLLECTIONS: "crowdsecurity/caddy crowdsecurity/http-dos crowdsecurity/base-http-scenarios"
+    volumes:
+      - crowdsec_data:/var/lib/crowdsec/data
+      - ./crowdsec/acquis.yaml:/etc/crowdsec/acquis.yaml:ro
+      - caddy_logs:/var/log/caddy:ro
+    expose:
+      - "8080"
+    healthcheck:
+      test: ["CMD", "cscli", "version"]
+      interval: 20s
+      timeout: 10s
+      retries: 5
+
+  # ─── CrowdSec bouncer registration ───────────────────────────────────────────
+  # One-shot: registers the Caddy bouncer with the CrowdSec LAPI and writes the
+  # generated API key to crowdsec/.crowdsec.env, which Caddy reads via env_file.
+  # Uses the Docker socket to exec cscli inside the running crowdsec container.
+  crowdsec-init:
+    image: docker:cli
+    depends_on:
+      crowdsec:
+        condition: service_healthy
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./crowdsec:/crowdsec-out
+    entrypoint: >
+      /bin/sh -c "
+        out=/crowdsec-out/.crowdsec.env;
+        existing=$$(grep -s '^CROWDSEC_API_KEY=.' \"$$out\" | cut -d= -f2-);
+        if [ -n \"$$existing\" ]; then
+          echo 'crowdsec-init: key already present, skipping registration';
+          exit 0;
+        fi;
+        container=$$(docker ps --filter name=crowdsec --filter status=running --format '{{.Names}}' | grep -v init | head -1);
+        echo \"crowdsec-init: using container $$container\";
+        docker exec $$container cscli bouncers delete caddy-bouncer 2>/dev/null || true;
+        key=$$(docker exec $$container cscli bouncers add caddy-bouncer -o raw 2>&1);
+        if [ -z \"$$key\" ]; then
+          echo 'crowdsec-init: ERROR — failed to obtain bouncer key' >&2;
+          exit 1;
+        fi;
+        printf 'CROWDSEC_API_KEY=%s\n' \"$$key\" > \"$$out\";
+        echo \"crowdsec-init: bouncer key written (key length: $${#key})\";
+      "
+    restart: "no"
+
+
+  # ─── Caddy (reverse proxy + automatic HTTPS) ──────────────────────────────────
+  # Custom build includes github.com/mholt/caddy-ratelimit and
+  # github.com/hslatman/caddy-crowdsec-bouncer/http.
+  caddy:
+    image: kalekber/libnovel-caddy:${GIT_TAG:-latest}
+    build:
+      context: ./caddy
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    depends_on:
+      backend:
+        condition: service_healthy
+      ui:
+        condition: service_healthy
+      crowdsec-init:
+        condition: service_completed_successfully
+    ports:
+      - "80:80"
+      - "443:443"
+      - "443:443/udp" # HTTP/3 (QUIC)
+    environment:
+      DOMAIN: "${DOMAIN}"
+      CADDY_ACME_EMAIL: "${CADDY_ACME_EMAIL}"
+    env_file:
+      - path: ./crowdsec/.crowdsec.env
+        required: false
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - ./caddy/errors:/srv/errors:ro
+      - caddy_data:/data
+      - caddy_config:/config
+      - caddy_logs:/var/log/caddy
+
+  # ─── Watchtower (auto-redeploy custom services on new images) ────────────────
+  # Only watches services labelled com.centurylinklabs.watchtower.enable=true.
+  # Third-party infra images (minio, pocketbase, meilisearch, etc.) are excluded.
+  watchtower:
+    image: containrrr/watchtower:latest
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    command: --label-enable --interval 300 --cleanup
+    environment:
+      WATCHTOWER_NOTIFICATIONS: "${WATCHTOWER_NOTIFICATIONS}"
+      WATCHTOWER_NOTIFICATION_URL: "${WATCHTOWER_NOTIFICATION_URL}"
+      DOCKER_API_VERSION: "1.44"
+
+  # ─── Shared PostgreSQL (Fider + GlitchTip + Umami) ───────────────────────────
+  # A single Postgres instance hosting three separate databases.
+  # PocketBase uses its own embedded SQLite; this postgres is only for the
+  # three new services below.
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: "${POSTGRES_USER}"
+      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
+      POSTGRES_DB: postgres
+    expose:
+      - "5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD", "pg_isready", "-U", "${POSTGRES_USER}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # ─── Postgres database initialisation ────────────────────────────────────────
+  # One-shot: creates the fider, glitchtip, and umami databases if missing.
+  postgres-init:
+    image: postgres:16-alpine
+    depends_on:
+      postgres:
+        condition: service_healthy
+    environment:
+      PGPASSWORD: "${POSTGRES_PASSWORD}"
+    entrypoint: >
+      /bin/sh -c "
+        psql -h postgres -U ${POSTGRES_USER} -d postgres -tc \"SELECT 1 FROM pg_database WHERE datname='fider'\" | grep -q 1 ||
+          psql -h postgres -U ${POSTGRES_USER} -d postgres -c \"CREATE DATABASE fider\";
+        psql -h postgres -U ${POSTGRES_USER} -d postgres -tc \"SELECT 1 FROM pg_database WHERE datname='glitchtip'\" | grep -q 1 ||
+          psql -h postgres -U ${POSTGRES_USER} -d postgres -c \"CREATE DATABASE glitchtip\";
+        psql -h postgres -U ${POSTGRES_USER} -d postgres -tc \"SELECT 1 FROM pg_database WHERE datname='umami'\" | grep -q 1 ||
+          psql -h postgres -U ${POSTGRES_USER} -d postgres -c \"CREATE DATABASE umami\";
+        echo 'postgres-init: databases ready';
+      "
+    restart: "no"
+
+  # ─── Fider (user feedback & feature requests) ─────────────────────────────────
+  fider:
+    image: getfider/fider:stable
+    restart: unless-stopped
+    depends_on:
+      postgres-init:
+        condition: service_completed_successfully
+      postgres:
+        condition: service_healthy
+    expose:
+      - "3000"
+    environment:
+      BASE_URL: "${FIDER_BASE_URL}"
+      DATABASE_URL: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/fider?sslmode=disable"
+      JWT_SECRET: "${FIDER_JWT_SECRET}"
+      # Email: Resend SMTP
+      EMAIL_NOREPLY: "noreply@libnovel.cc"
+      EMAIL_SMTP_HOST: "${FIDER_SMTP_HOST}"
+      EMAIL_SMTP_PORT: "${FIDER_SMTP_PORT}"
+      EMAIL_SMTP_USERNAME: "${FIDER_SMTP_USER}"
+      EMAIL_SMTP_PASSWORD: "${FIDER_SMTP_PASSWORD}"
+      EMAIL_SMTP_ENABLE_STARTTLS: "false"
+
+  # ─── GlitchTip DB migration (one-shot) ───────────────────────────────────────
+  glitchtip-migrate:
+    image: glitchtip/glitchtip:latest
+    depends_on:
+      postgres-init:
+        condition: service_completed_successfully
+      postgres:
+        condition: service_healthy
+    environment:
+      DATABASE_URL: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/glitchtip"
+      SECRET_KEY: "${GLITCHTIP_SECRET_KEY}"
+      GLITCHTIP_DOMAIN: "${GLITCHTIP_DOMAIN}"
+      EMAIL_URL: "${GLITCHTIP_EMAIL_URL}"
+      DEFAULT_FROM_EMAIL: "noreply@libnovel.cc"
+      VALKEY_URL: "redis://valkey:6379/1"
+    command: "./manage.py migrate"
+    restart: "no"
+
+  # ─── GlitchTip web (error tracking UI + API) ─────────────────────────────────
+  glitchtip-web:
+    image: glitchtip/glitchtip:latest
+    restart: unless-stopped
+    depends_on:
+      glitchtip-migrate:
+        condition: service_completed_successfully
+      valkey:
+        condition: service_healthy
+    expose:
+      - "8000"
+    environment:
+      DATABASE_URL: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/glitchtip"
+      SECRET_KEY: "${GLITCHTIP_SECRET_KEY}"
+      GLITCHTIP_DOMAIN: "${GLITCHTIP_DOMAIN}"
+      EMAIL_URL: "${GLITCHTIP_EMAIL_URL}"
+      DEFAULT_FROM_EMAIL: "noreply@libnovel.cc"
+      VALKEY_URL: "redis://valkey:6379/1"
+      PORT: "8000"
+      ENABLE_USER_REGISTRATION: "false"
+    healthcheck:
+      test: ["CMD", "python3", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/api/0/')"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
+  # ─── GlitchTip worker (background task processor) ─────────────────────────────
+  glitchtip-worker:
+    image: glitchtip/glitchtip:latest
+    restart: unless-stopped
+    depends_on:
+      glitchtip-migrate:
+        condition: service_completed_successfully
+      valkey:
+        condition: service_healthy
+    environment:
+      DATABASE_URL: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/glitchtip"
+      SECRET_KEY: "${GLITCHTIP_SECRET_KEY}"
+      GLITCHTIP_DOMAIN: "${GLITCHTIP_DOMAIN}"
+      EMAIL_URL: "${GLITCHTIP_EMAIL_URL}"
+      DEFAULT_FROM_EMAIL: "noreply@libnovel.cc"
+      VALKEY_URL: "redis://valkey:6379/1"
+      SERVER_ROLE: "worker"
+
+  # ─── Umami (page analytics) ───────────────────────────────────────────────────
+  umami:
+    image: ghcr.io/umami-software/umami:postgresql-latest
+    restart: unless-stopped
+    depends_on:
+      postgres-init:
+        condition: service_completed_successfully
+      postgres:
+        condition: service_healthy
+    expose:
+      - "3000"
+    environment:
+      DATABASE_URL: "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/umami"
+      APP_SECRET: "${UMAMI_APP_SECRET}"
+    healthcheck:
+      test: ["CMD", "curl", "-sf", "http://localhost:3000/api/heartbeat"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
+  # ─── Dozzle (Docker log viewer) ───────────────────────────────────────────────
+  dozzle:
+    image: amir20/dozzle:latest
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+      - ./dozzle/users.yml:/data/users.yml:ro
+    expose:
+      - "8080"
+    environment:
+      DOZZLE_AUTH_PROVIDER: simple
+      DOZZLE_HOSTNAME: "logs.libnovel.cc"
+    healthcheck:
+      test: ["CMD", "/dozzle", "healthcheck"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
+  # ─── Uptime Kuma (uptime monitoring) ──────────────────────────────────────────
+  uptime-kuma:
+    image: louislam/uptime-kuma:1
+    restart: unless-stopped
+    volumes:
+      - uptime_kuma_data:/app/data
+    expose:
+      - "3001"
+    healthcheck:
+      test: ["CMD", "extra/healthcheck"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
+  # ─── Gotify (push notifications) ──────────────────────────────────────────────
+  gotify:
+    image: gotify/server:latest
+    restart: unless-stopped
+    volumes:
+      - gotify_data:/app/data
+    expose:
+      - "80"
+    environment:
+      GOTIFY_DEFAULTUSER_NAME: "${GOTIFY_ADMIN_USER}"
+      GOTIFY_DEFAULTUSER_PASS: "${GOTIFY_ADMIN_PASS}"
+      GOTIFY_SERVER_PORT: "80"
+    healthcheck:
+      test: ["CMD", "curl", "-sf", "http://localhost:80/health"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+
 volumes:
   minio_data:
   pb_data:
+  meili_data:
+  valkey_data:
+  caddy_data:
+  caddy_config:
+  caddy_logs:
+  crowdsec_data:
+  postgres_data:
+  uptime_kuma_data:
+  gotify_data:

docs/api-endpoints.md

@@ -0,0 +1,82 @@
+# API Endpoint Reference
+
+> **Routing ownership map**: see [`docs/d2/api-routing.svg`](d2/api-routing.svg) (source: [`docs/d2/api-routing.d2`](d2/api-routing.d2)) for a visual overview of which paths Caddy sends to the backend directly vs. through SvelteKit, with auth levels colour-coded.
+
+All traffic enters through **Caddy :443**. Caddy routes a subset of paths directly to the Go backend (bypassing SvelteKit); everything else goes to SvelteKit, which enforces auth before proxying onward.
+
+## Health / Version
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `GET` | `/health` | — | Liveness probe. Returns `{"ok":true}`. |
+| `GET` | `/api/version` | — | Build version + commit hash. |
+
+## Scrape Jobs (admin)
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `POST` | `/scrape` | admin | Enqueue full catalogue scrape. |
+| `POST` | `/scrape/book` | admin | Enqueue single-book scrape `{url}`. |
+| `POST` | `/scrape/book/range` | admin | Enqueue range scrape `{url, from, to?}`. |
+| `GET` | `/api/scrape/status` | admin | Current job status. |
+| `GET` | `/api/scrape/tasks` | admin | All scrape task records. |
+| `POST` | `/api/cancel-task/{id}` | admin | Cancel a pending task. |
+
+## Browse / Catalogue
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `GET` | `/api/browse` | — | Live novelfire.net browse (MinIO page-1 cache). Legacy — used by save-browse subcommand. |
+| `GET` | `/api/catalogue` | — | **Primary browse endpoint.** Meilisearch-backed, paginated. Params: `q`, `page`, `limit`, `genre`, `status`, `sort` (`popular`\|`new`\|`update`\|`rank`\|`top-rated`). Falls back to empty when Meilisearch is not configured. |
+| `GET` | `/api/search` | — | Full-text search: Meilisearch local results merged with live novelfire.net remote results. Param: `q` (≥ 2 chars). Used by iOS app. |
+| `GET` | `/api/ranking` | — | Top-ranked novels from PocketBase. |
+| `GET` | `/api/cover/{domain}/{slug}` | — | Proxy cover image from MinIO (redirect to presigned URL). |
+
+## Book / Chapter Content
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `GET` | `/api/book-preview/{slug}` | — | Returns stored metadata + chapter list, or enqueues a scrape task (202) if unknown. |
+| `GET` | `/api/chapter-text/{slug}/{n}` | — | Chapter content as plain text (markdown stripped). |
+| `GET` | `/api/chapter-markdown/{slug}/{n}` | — | Chapter content as raw markdown from MinIO. |
+| `POST` | `/api/reindex/{slug}` | admin | Rebuild `chapters_idx` from MinIO objects. |
+
+## Audio
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `POST` | `/api/audio/{slug}/{n}` | — | Trigger Kokoro TTS generation. Body: `{voice?}`. Returns `200 {status:"done"}` if cached, `202 {task_id, status}` if enqueued. |
+| `GET` | `/api/audio/status/{slug}/{n}` | — | Poll audio generation status. Param: `voice`. Returns `{status, task_id?, error?}`. |
+| `GET` | `/api/audio-proxy/{slug}/{n}` | — | Redirect to presigned MinIO audio URL. |
+| `GET` | `/api/voices` | — | List available Kokoro voices. Returns `{voices:[]}` on error. |
+
+## Presigned URLs
+
+All presign endpoints return a `302` redirect to a short-lived MinIO presigned
+URL. The URL is cached in Valkey (TTL ~55 min) to avoid regenerating on every
+request.
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `GET` | `/api/presign/chapter/{slug}/{n}` | — | Presigned URL for chapter markdown object. |
+| `GET` | `/api/presign/audio/{slug}/{n}` | — | Presigned URL for audio MP3. Param: `voice`. |
+| `GET` | `/api/presign/voice-sample/{voice}` | — | Presigned URL for voice sample MP3. |
+| `GET` | `/api/presign/avatar-upload/{userId}` | user | Presigned PUT URL for avatar upload. |
+| `GET` | `/api/presign/avatar/{userId}` | — | Presigned GET URL for avatar image. |
+
+## Reading Progress
+
+Session-scoped (anonymous via cookie session ID, or tied to authenticated user).
+
+| Method | Path | Auth | Description |
+|--------|------|------|-------------|
+| `GET` | `/api/progress` | — | Get all reading progress for the current session/user. |
+| `POST` | `/api/progress/{slug}` | — | Set progress. Body: `{chapter}`. |
+| `DELETE` | `/api/progress/{slug}` | — | Delete progress for a book. |
+
+## Notes
+
+- **Auth**: The backend does not enforce auth itself — the SvelteKit UI layer enforces admin/user guards before proxying requests. The backend trusts all incoming requests.
+- **`/api/catalogue` vs `/api/browse`**: `/api/catalogue` is the primary UI endpoint (Meilisearch, always-local, fast). `/api/browse` hits or caches the live novelfire.net browse page and is only used internally by the `save-browse` subcommand.
+- **Meilisearch fallback**: When `MEILI_URL` is unset, `/api/catalogue` returns `{books:[], has_next:false}` and `/api/search` falls back to a PocketBase substring scan.
+- **`BACKEND_API_URL`**: The SvelteKit UI reads this env var (default `http://localhost:8080`) to reach the backend server-side. In docker-compose it is set to `http://backend:8080`.

docs/d2/api-routing.d2

@@ -0,0 +1,201 @@
+direction: right
+
+# ─── Legend ───────────────────────────────────────────────────────────────────
+
+legend: Legend {
+  style.fill: "#fafafa"
+  style.stroke: "#d4d4d8"
+
+  pub: public {
+    style.fill: "#f0fdf4"
+    style.font-color: "#15803d"
+    style.stroke: "#86efac"
+  }
+  user: user auth {
+    style.fill: "#eff6ff"
+    style.font-color: "#1d4ed8"
+    style.stroke: "#93c5fd"
+  }
+  adm: admin only {
+    style.fill: "#fff7ed"
+    style.font-color: "#c2410c"
+    style.stroke: "#fdba74"
+  }
+}
+
+# ─── Client ───────────────────────────────────────────────────────────────────
+
+client: Browser / iOS App {
+  shape: person
+  style.fill: "#fff9e6"
+}
+
+# ─── Caddy ────────────────────────────────────────────────────────────────────
+
+caddy: Caddy :443 {
+  shape: rectangle
+  style.fill: "#f1f5f9"
+  label: "Caddy :443\ncustom build · caddy-ratelimit\nsecurity headers · rate limiting\nstatic error pages"
+}
+
+# ─── SvelteKit UI ─────────────────────────────────────────────────────────────
+# Handles: auth enforcement, session, all /api/* routes that have SK counterparts
+
+sk: SvelteKit UI :3000 {
+  style.fill: "#fef3c7"
+
+  auth: Auth {
+    style.fill: "#fde68a"
+    style.stroke: "#f59e0b"
+    label: "POST /api/auth/login\nPOST /api/auth/register\nPOST /api/auth/change-password\nGET  /api/auth/session"
+  }
+
+  catalogue_sk: Catalogue {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /api/catalogue-page\nGET /api/search"
+  }
+
+  book_sk: Book {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /api/book/{slug}\nGET /api/chapter/{slug}/{n}\nGET /api/chapter-text-preview/{slug}/{n}"
+  }
+
+  scrape_sk: Scrape (admin) {
+    style.fill: "#fff7ed"
+    style.stroke: "#fdba74"
+    label: "GET  /api/scrape/status\nGET  /api/scrape/tasks\nPOST /api/scrape\nPOST /api/scrape/range\nPOST /api/scrape/cancel/{id}"
+  }
+
+  audio_sk: Audio {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "POST /api/audio/{slug}/{n}\nGET  /api/audio/status/{slug}/{n}\nGET  /api/voices"
+  }
+
+  presign_sk: Presigned URLs {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /api/presign/chapter/{slug}/{n}\nGET /api/presign/audio/{slug}/{n}\nGET /api/presign/voice-sample/{voice}"
+  }
+
+  presign_user: Presigned URLs (user) {
+    style.fill: "#eff6ff"
+    style.stroke: "#93c5fd"
+    label: "GET /api/presign/avatar-upload/{userId}\nGET /api/presign/avatar/{userId}"
+  }
+
+  progress_sk: Progress {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET    /api/progress\nPOST   /api/progress/{slug}\nDELETE /api/progress/{slug}"
+  }
+
+  library_sk: Library {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET    /api/library\nPOST   /api/library/{slug}\nDELETE /api/library/{slug}"
+  }
+
+  comments_sk: Comments {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET  /api/comments/{slug}\nPOST /api/comments/{slug}"
+  }
+}
+
+# ─── Go Backend ───────────────────────────────────────────────────────────────
+# Caddy proxies these paths directly — no SvelteKit auth layer
+
+be: Backend API :8080 {
+  style.fill: "#eef3ff"
+
+  health_be: Health {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /health\nGET /api/version"
+  }
+
+  scrape_be: Scrape admin (direct) {
+    style.fill: "#fff7ed"
+    style.stroke: "#fdba74"
+    label: "POST /scrape\nPOST /scrape/book\nPOST /scrape/book/range"
+  }
+
+  catalogue_be: Catalogue {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /api/browse\nGET /api/catalogue\nGET /api/ranking\nGET /api/cover/{domain}/{slug}"
+  }
+
+  book_be: Book / Chapter {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET  /api/book-preview/{slug}\nGET  /api/chapter-text/{slug}/{n}\nGET  /api/chapter-markdown/{slug}/{n}\nPOST /api/reindex/{slug}  ⚠ admin"
+  }
+
+  audio_be: Audio {
+    style.fill: "#f0fdf4"
+    style.stroke: "#86efac"
+    label: "GET /api/audio-proxy/{slug}/{n}\nGET /api/voices"
+  }
+}
+
+# ─── Storage ──────────────────────────────────────────────────────────────────
+
+storage: Storage {
+  style.fill: "#eaf7ea"
+
+  pb: PocketBase :8090 {
+    shape: cylinder
+    label: "auth · books · progress\ncomments · library\nscrape_jobs · audio_cache"
+  }
+  mn: MinIO :9000 {
+    shape: cylinder
+    label: "chapters · audio\navatars · browse"
+  }
+  ms: Meilisearch :7700 {
+    shape: cylinder
+    label: "index: books"
+  }
+  vk: Valkey :6379 {
+    shape: cylinder
+    label: "presign URL cache"
+  }
+}
+
+# ─── Caddy routing ────────────────────────────────────────────────────────────
+
+client -> caddy: HTTPS :443
+
+caddy -> sk: "/* (catch-all)\n→ SvelteKit handles auth"
+caddy -> be: "/health  /scrape*\n/api/browse  /api/book-preview/*\n/api/chapter-text/*  /api/chapter-markdown/*\n/api/reindex/*  /api/cover/*\n/api/audio-proxy/*  /api/catalogue  /api/ranking"
+caddy -> storage.mn: "/avatars/*\n/audio/*\n/chapters/*\n(presigned MinIO GETs)"
+
+# ─── SvelteKit → Backend (server-side proxy) ──────────────────────────────────
+
+sk.catalogue_sk -> be.catalogue_be: internal proxy
+sk.book_sk -> be.book_be: internal proxy
+sk.audio_sk -> be.audio_be: internal proxy
+sk.presign_sk -> storage.vk: check cache
+sk.presign_sk -> storage.mn: generate presign
+sk.presign_user -> storage.mn: generate presign
+
+# ─── SvelteKit → Storage (direct) ────────────────────────────────────────────
+
+sk.auth -> storage.pb: sessions / users
+sk.scrape_sk -> storage.pb: scrape job records
+sk.progress_sk -> storage.pb
+sk.library_sk -> storage.pb
+sk.comments_sk -> storage.pb
+
+# ─── Backend → Storage ────────────────────────────────────────────────────────
+
+be.catalogue_be -> storage.ms: full-text search
+be.catalogue_be -> storage.pb: ranking records
+be.catalogue_be -> storage.mn: cover presign
+be.book_be -> storage.mn: chapter objects
+be.book_be -> storage.pb: book metadata
+be.audio_be -> storage.mn: audio presign
+be.audio_be -> storage.vk: presign cache

docs/d2/architecture.d2

@@ -0,0 +1,154 @@
+direction: right
+
+# ─── External ─────────────────────────────────────────────────────────────────
+
+novelfire: novelfire.net {
+  shape: cloud
+  style.fill: "#f0f4ff"
+}
+
+kokoro: Kokoro-FastAPI TTS {
+  shape: cloud
+  style.fill: "#f0f4ff"
+}
+
+letsencrypt: Let's Encrypt {
+  shape: cloud
+  style.fill: "#f0f4ff"
+}
+
+browser: Browser / iOS App {
+  shape: person
+  style.fill: "#fff9e6"
+}
+
+# ─── Init containers (one-shot) ───────────────────────────────────────────────
+
+init: Init containers {
+  style.fill: "#f5f5f5"
+  style.stroke-dash: 4
+
+  minio-init: minio-init {
+    shape: rectangle
+    label: "minio-init\n(mc: create buckets)"
+  }
+
+  pb-init: pb-init {
+    shape: rectangle
+    label: "pb-init\n(bootstrap collections)"
+  }
+}
+
+# ─── Storage ──────────────────────────────────────────────────────────────────
+
+storage: Storage {
+  style.fill: "#eaf7ea"
+
+  minio: MinIO {
+    shape: cylinder
+    label: "MinIO :9000\n\nbuckets:\n  chapters\n  audio\n  avatars\n  catalogue"
+  }
+
+  pocketbase: PocketBase {
+    shape: cylinder
+    label: "PocketBase :8090\n\ncollections:\n  books  chapters_idx\n  audio_cache  progress\n  scrape_jobs  app_users\n  ranking"
+  }
+
+  valkey: Valkey {
+    shape: cylinder
+    label: "Valkey :6379\n\n(presign URL cache\nTTL-based, shared)"
+  }
+
+  meilisearch: Meilisearch {
+    shape: cylinder
+    label: "Meilisearch :7700\n\nindices:\n  books"
+  }
+}
+
+# ─── Application ──────────────────────────────────────────────────────────────
+
+app: Application {
+  style.fill: "#eef3ff"
+
+  caddy: caddy {
+    shape: rectangle
+    label: "Caddy :443 / :80\ncustom build + caddy-ratelimit\n\nfeatures:\n  auto-HTTPS (Let's Encrypt)\n  security headers\n  rate limiting (per-IP)\n  static error pages (502/503/504)"
+  }
+
+  backend: backend {
+    shape: rectangle
+    label: "Backend API :8080\n(Go — HTTP API server)"
+  }
+
+  runner: runner {
+    shape: rectangle
+    label: "Runner :9091\n(Go — background worker\nscraping + TTS jobs\n/metrics endpoint)"
+  }
+
+  ui: ui {
+    shape: rectangle
+    label: "SvelteKit UI :3000\n(adapter-node)"
+  }
+}
+
+# ─── Ops ──────────────────────────────────────────────────────────────────────
+
+ops: Ops {
+  style.fill: "#fef9ec"
+
+  watchtower: Watchtower {
+    shape: rectangle
+    label: "Watchtower\n(containrrr/watchtower)\n\npolls every 5 min\nautopulls + redeploys:\n  backend · runner · ui"
+  }
+}
+
+# ─── Init → Storage deps ──────────────────────────────────────────────────────
+
+init.minio-init -> storage.minio: create buckets {style.stroke-dash: 4}
+init.pb-init -> storage.pocketbase: bootstrap schema {style.stroke-dash: 4}
+
+# ─── App → Storage ────────────────────────────────────────────────────────────
+
+app.backend -> storage.minio: blobs (chapters, audio,\navatars, browse)
+app.backend -> storage.pocketbase: structured records\n(books, progress, jobs…)
+app.backend -> storage.valkey: cache presigned URLs\n(SET/GET with TTL)
+
+app.runner -> storage.minio: write chapter markdown\n& audio MP3s
+app.runner -> storage.pocketbase: read/update scrape jobs\nwrite book records
+app.runner -> storage.meilisearch: index books on\nscrape completion
+
+app.ui -> storage.valkey: read presigned URL cache
+app.ui -> storage.pocketbase: auth, progress,\ncomments, settings
+
+# ─── App internal ─────────────────────────────────────────────────────────────
+
+app.ui -> app.backend: REST API calls (server-side)\n/api/catalogue /api/book-preview\n/api/chapter-text /api/audio etc.
+
+# ─── Caddy routing ────────────────────────────────────────────────────────────
+# Routes sent directly to backend (no SvelteKit counterpart):
+#   /health  /scrape*
+#   /api/browse  /api/book-preview/*  /api/chapter-text/*
+#   /api/reindex/*  /api/cover/*  /api/audio-proxy/*
+# Routes sent to MinIO:
+#   /avatars/*
+# Everything else → SvelteKit UI (including /api/scrape/*, /api/chapter-text-preview/*)
+
+app.caddy -> app.ui: "/* (catch-all)\n/api/scrape/*\n/api/chapter-text-preview/*\n→ SvelteKit (auth enforced)"
+app.caddy -> app.backend: "/health  /scrape*\n/api/browse  /api/book-preview/*\n/api/chapter-text/*\n/api/reindex/*  /api/cover/*\n/api/audio-proxy/*"
+app.caddy -> storage.minio: "/avatars/*\n/audio/*\n/chapters/*\n(presigned MinIO GETs)"
+
+# ─── External → App ───────────────────────────────────────────────────────────
+
+app.runner -> novelfire: scrape\n(HTTP GET)
+app.runner -> kokoro: TTS generation\n(HTTP POST)
+app.caddy -> letsencrypt: ACME certificate\n(TLS-ALPN-01)
+
+# ─── Ops → Docker socket ──────────────────────────────────────────────────────
+
+ops.watchtower -> app.backend: watch (label-enabled)
+ops.watchtower -> app.runner: watch (label-enabled)
+ops.watchtower -> app.ui: watch (label-enabled)
+
+# ─── Browser ──────────────────────────────────────────────────────────────────
+
+browser -> app.caddy: HTTPS :443\n(single entry point)

docs/mermaid/architecture.mermaid.md

@@ -0,0 +1,72 @@
+# Architecture Overview
+
+```mermaid
+graph LR
+    %% ── External ──────────────────────────────────────────────────────────
+    NF([novelfire.net])
+    KK([Kokoro-FastAPI TTS])
+    LE([Let's Encrypt])
+    CL([Browser / iOS App])
+
+    %% ── Init containers ───────────────────────────────────────────────────
+    subgraph INIT["Init containers (one-shot)"]
+        MI[minio-init\nmc: create buckets]
+        PI[pb-init\nbootstrap collections]
+    end
+
+    %% ── Storage ───────────────────────────────────────────────────────────
+    subgraph STORAGE["Storage"]
+        MN[(MinIO :9000\nchapters · audio\navatars · browse)]
+        PB[(PocketBase :8090\nbooks · chapters_idx\naudio_cache · progress\nscrape_jobs · app_users · ranking)]
+        VK[(Valkey :6379\npresign URL cache\nTTL-based · shared)]
+        MS[(Meilisearch :7700\nindex: books)]
+    end
+
+    %% ── Application ───────────────────────────────────────────────────────
+    subgraph APP["Application"]
+        CD["Caddy :443/:80\ncustom build + caddy-ratelimit\nauto-HTTPS · security headers\nrate limiting · error pages"]
+        BE[Backend API :8080\nGo HTTP server]
+        RN[Runner :9091\nGo background worker\n/metrics endpoint]
+        UI[SvelteKit UI :3000\nadapter-node]
+    end
+
+    %% ── Ops ───────────────────────────────────────────────────────────────
+    subgraph OPS["Ops"]
+        WT[Watchtower\npolls every 5 min\nautopull + redeploy\nbackend · runner · ui]
+    end
+
+    %% ── Init → Storage ────────────────────────────────────────────────────
+    MI -.->|create buckets| MN
+    PI -.->|bootstrap schema| PB
+
+    %% ── App → Storage ─────────────────────────────────────────────────────
+    BE -->|blobs| MN
+    BE -->|structured records| PB
+    BE -->|cache presigned URLs| VK
+    RN -->|chapter markdown & audio| MN
+    RN -->|read/update jobs & books| PB
+    RN -->|index books on scrape| MS
+    UI -->|read presign cache| VK
+    UI -->|auth · progress · comments| PB
+
+    %% ── App internal ──────────────────────────────────────────────────────
+    UI -->|"REST API (server-side)\n/api/catalogue /api/book-preview\n/api/chapter-text /api/audio"| BE
+
+    %% ── Caddy routing ─────────────────────────────────────────────────────
+    CD -->|"/* catch-all\n/api/scrape/*\n/api/chapter-text-preview/*\n→ SvelteKit (auth enforced)"| UI
+    CD -->|"/health /scrape*\n/api/browse /api/book-preview/*\n/api/chapter-text/*\n/api/reindex/* /api/cover/*\n/api/audio-proxy/*"| BE
+    CD -->|/avatars/* presigned GETs| MN
+
+    %% ── Runner → External ─────────────────────────────────────────────────
+    RN -->|scrape HTTP GET| NF
+    RN -->|TTS HTTP POST| KK
+    CD -->|ACME certificate| LE
+
+    %% ── Ops ───────────────────────────────────────────────────────────────
+    WT -->|watch label-enabled| BE
+    WT -->|watch label-enabled| RN
+    WT -->|watch label-enabled| UI
+
+    %% ── Client ────────────────────────────────────────────────────────────
+    CL -->|HTTPS :443 single entry| CD
+```

docs/mermaid/data-flow.mermaid.md

@@ -0,0 +1,102 @@
+# Data Flow — Scrape & TTS Job Pipeline
+
+How content moves from novelfire.net through the runner into storage, and how
+audio is generated on-demand via the backend.
+
+## Catalogue Scrape Pipeline
+
+The runner performs a background catalogue walk on startup and then on a
+configurable interval (`RUNNER_CATALOGUE_REFRESH_INTERVAL`, default 24 h).
+
+```mermaid
+flowchart TD
+    A([Runner starts / refresh tick]) --> B[Walk novelfire.net catalogue\npages 1…N]
+    B --> C{Book already\nin PocketBase?}
+    C -- no --> D[Scrape book metadata\ntitle · author · genres\ncover · summary · status]
+    C -- yes --> E[Check for new chapters\ncompare total_chapters]
+    D --> F[Write BookMeta\nto PocketBase books]
+    E --> G{New chapters\nfound?}
+    G -- no --> Z([Done — next book])
+    G -- yes --> H
+    F --> H[Scrape chapter list with upTo limit\n→ chapters_idx in PocketBase\nretries on 429 with Retry-After backoff]
+    H --> I[Worker pool — N goroutines\nRUNNER_MAX_CONCURRENT_SCRAPE]
+    I --> J[For each missing chapter:\nGET chapter HTML from novelfire.net]
+    J --> K[Parse HTML → Markdown\nhtmlutil.NodeToMarkdown]
+    K --> L[PUT object to MinIO\nchapters/{slug}/{n}.md]
+    L --> M[Upsert book doc\nto Meilisearch index: books]
+    M --> Z
+    F --> M
+```
+
+## On-Demand Single-Book Scrape
+
+Triggered when a user visits `/books/{slug}` and the book is not in PocketBase.
+The UI calls `GET /api/book-preview/{slug}` → backend enqueues a scrape task.
+
+```mermaid
+sequenceDiagram
+    actor U as User
+    participant UI as SvelteKit UI
+    participant BE as Backend API
+    participant TQ as Task Queue (PocketBase)
+    participant RN as Runner
+    participant NF as novelfire.net
+    participant PB as PocketBase
+    participant MN as MinIO
+    participant MS as Meilisearch
+
+    U->>UI: Visit /books/{slug}
+    UI->>BE: GET /api/book-preview/{slug}
+    BE->>PB: getBook(slug) — not found
+    BE->>TQ: INSERT scrape_task (slug, status=pending)
+    BE-->>UI: 202 {task_id, message}
+    UI-->>U: "Scraping…" placeholder
+
+    RN->>TQ: Poll for pending tasks
+    TQ-->>RN: scrape_task (slug)
+    RN->>NF: GET novelfire.net/book/{slug}
+    NF-->>RN: HTML
+    RN->>PB: upsert book + chapters_idx
+    RN->>MN: PUT chapter objects
+    RN->>MS: UpsertBook doc
+    RN->>TQ: UPDATE task status=done
+
+    U->>UI: Poll GET /api/scrape/tasks/{task_id}
+    UI->>BE: GET /api/scrape/status
+    BE->>TQ: get task
+    TQ-->>BE: status=done
+    BE-->>UI: {status:"done"}
+    UI-->>U: Redirect to /books/{slug}
+```
+
+## TTS Audio Generation Pipeline
+
+Audio is generated lazily: on first request the job is enqueued; subsequent
+requests poll for completion and then stream from MinIO via presigned URL.
+
+```mermaid
+flowchart TD
+    A(["POST /api/audio/{slug}/{n}\nbody: voice=af_bella"]) --> B{Audio already\nin MinIO?}
+    B -- yes --> C[200 status: done]
+    B -- no --> D{Job already\nin queue?}
+    D -- "yes pending/generating" --> E[202 task_id + status]
+    D -- no --> F[INSERT audio_task\nstatus=pending\nin PocketBase]
+    F --> E
+
+    G([Runner polls task queue]) --> H[Claim audio_task\nstatus=generating]
+    H --> I["GET /api/chapter-text/{slug}/{n}\nfrom backend — plain text"]
+    I --> J[POST /v1/audio/speech\nto Kokoro-FastAPI\nbody: text + voice]
+    J --> K[Stream MP3 response]
+    K --> L[PUT object to MinIO\naudio/{slug}/{n}/{voice}.mp3]
+    L --> M[UPDATE audio_task\nstatus=done]
+
+    N(["Client polls\nGET /api/audio/status/{slug}/{n}"]) --> O{status?}
+    O -- "pending/generating" --> N
+    O -- done --> P["GET /api/presign/audio/{slug}/{n}"]
+    P --> Q{Valkey cache hit?}
+    Q -- yes --> R[302 → presigned URL]
+    Q -- no --> S[GeneratePresignedURL\nfrom MinIO — TTL 1h]
+    S --> T[Cache in Valkey\nTTL 3500s]
+    T --> R
+    R --> U([Client streams audio\ndirectly from MinIO])
+```

docs/mermaid/request-flow.mermaid.md

@@ -0,0 +1,111 @@
+# Request Flow
+
+Two representative request paths through the stack: a **page load** (SSR) and a
+**media playback** (presigned URL → direct MinIO stream).
+
+## SSR Page Load — Catalogue / Book Detail
+
+```mermaid
+sequenceDiagram
+    actor C as Browser / iOS App
+    participant CD as Caddy :443
+    participant UI as SvelteKit UI :3000
+    participant BE as Backend API :8080
+    participant MS as Meilisearch :7700
+    participant PB as PocketBase :8090
+    participant VK as Valkey :6379
+
+    C->>CD: HTTPS GET /catalogue
+    CD->>UI: proxy /* (SvelteKit catch-all)
+    UI->>BE: GET /api/catalogue?page=1&sort=popular
+    BE->>MS: search(query, filters, sort)
+    MS-->>BE: [{slug, title, …}, …]
+    BE-->>UI: {books[], page, total, has_next}
+    UI-->>CD: SSR HTML
+    CD-->>C: 200 HTML
+
+    Note over C,UI: Infinite scroll — client fetches next page via SvelteKit API route
+    C->>CD: HTTPS GET /api/catalogue-page?page=2
+    CD->>UI: proxy /* (SvelteKit /api/catalogue-page server route)
+    UI->>BE: GET /api/catalogue?page=2
+    BE->>MS: search(…)
+    MS-->>BE: next page
+    BE-->>UI: {books[], …}
+    UI-->>C: JSON
+```
+
+## Audio Playback — Presigned URL Flow
+
+```mermaid
+sequenceDiagram
+    actor C as Browser / iOS App
+    participant CD as Caddy :443
+    participant UI as SvelteKit UI :3000
+    participant BE as Backend API :8080
+    participant VK as Valkey :6379
+    participant MN as MinIO :9000
+
+    C->>CD: GET /api/presign/audio/{slug}/{n}?voice=af_bella
+    CD->>UI: proxy /* (SvelteKit /api/presign/audio route)
+    UI->>BE: GET /api/presign/audio/{slug}/{n}?voice=af_bella
+    BE->>VK: GET presign:audio:{slug}:{n}:{voice}
+    alt cache hit
+        VK-->>BE: presigned URL (TTL remaining)
+        BE-->>UI: 302 redirect → presigned URL
+        UI-->>C: 302 redirect
+    else cache miss
+        BE->>MN: GeneratePresignedURL(audio-bucket, key, 1h)
+        MN-->>BE: presigned URL
+        BE->>VK: SET presign:audio:… EX 3500
+        BE-->>UI: 302 redirect → presigned URL
+        UI-->>C: 302 redirect
+    end
+    C->>MN: GET presigned URL (direct, no proxy)
+    MN-->>C: audio/mpeg stream
+```
+
+## Chapter Read — SSR + Content Fetch
+
+```mermaid
+sequenceDiagram
+    actor C as Browser / iOS App
+    participant CD as Caddy :443
+    participant UI as SvelteKit UI :3000
+    participant BE as Backend API :8080
+    participant PB as PocketBase :8090
+    participant MN as MinIO :9000
+
+    C->>CD: HTTPS GET /books/{slug}/chapters/{n}
+    CD->>UI: proxy /* (SvelteKit catch-all)
+    UI->>PB: getBook(slug) + listChapterIdx(slug)
+    PB-->>UI: book meta + chapter list
+    UI->>BE: GET /api/chapter-text/{slug}/{n}
+    BE->>MN: GetObject(chapters-bucket, {slug}/{n}.md)
+    MN-->>BE: markdown text
+    BE-->>UI: plain text (markdown stripped)
+    Note over UI: marked() → HTML
+    UI-->>CD: SSR HTML
+    CD-->>C: 200 HTML
+```
+
+## Caddy Request Lifecycle
+
+Shows how security hardening applies before a request reaches any upstream.
+
+```mermaid
+flowchart TD
+    A([Incoming HTTPS request]) --> B[TLS termination\nLet's Encrypt cert]
+    B --> C{Rate limit check\ncaddy-ratelimit}
+    C -- over limit --> D[429 Too Many Requests]
+    C -- ok --> E[Add security headers\nX-Frame-Options · X-Content-Type-Options\nReferrer-Policy · Permissions-Policy\nHSTS · X-XSS-Protection\nremove Server header]
+    E --> F{Route match}
+    F -- "/health /scrape*\n/api/browse /api/book-preview/*\n/api/chapter-text/*\n/api/reindex/* /api/cover/*\n/api/audio-proxy/*" --> G[reverse_proxy → backend:8080]
+    F -- "/avatars/*" --> H[reverse_proxy → minio:9000]
+    F -- "/* everything else\n(incl. /api/scrape/*\n/api/chapter-text-preview/*)" --> I[reverse_proxy → ui:3000\nSvelteKit auth middleware runs]
+    G --> J{Upstream healthy?}
+    H --> J
+    I --> J
+    J -- yes --> K([Response to client])
+    J -- "502/503/504" --> L[handle_errors\nstatic HTML from /srv/errors/]
+    L --> K
+```

dozzle/users.yml

@@ -0,0 +1,5 @@
+users:
+  admin:
+    name: admin
+    email: admin@libnovel.cc
+    password: "$2y$10$4jqLza2grpxnQn0EGux2C.UmlSxRmOvH/J1ySzOBxMZgW6cA2TnmK"

homelab/runner/docker-compose.yml

@@ -0,0 +1,58 @@
+# LibNovel homelab runner
+#
+# Connects to production PocketBase and MinIO via public subdomains.
+# All secrets come from Doppler (project=libnovel, config=prd).
+# Run with: doppler run -- docker compose up -d
+#
+# Differs from prod runner:
+#   - RUNNER_WORKER_ID=homelab-runner-1  (unique, avoids task claiming conflicts)
+#   - MINIO_ENDPOINT/USE_SSL → storage.libnovel.cc over HTTPS
+#   - POCKETBASE_URL          → https://pb.libnovel.cc
+#   - MEILI_URL/VALKEY_ADDR   → unset (not exposed publicly; not needed by runner)
+#   - RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH=true
+
+services:
+  runner:
+    image: kalekber/libnovel-runner:latest
+    restart: unless-stopped
+    stop_grace_period: 135s
+    environment:
+      # ── PocketBase ──────────────────────────────────────────────────────────
+      POCKETBASE_URL: "https://pb.libnovel.cc"
+      POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL}"
+      POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD}"
+
+      # ── MinIO (S3 API via public subdomain) ─────────────────────────────────
+      MINIO_ENDPOINT: "storage.libnovel.cc"
+      MINIO_ACCESS_KEY: "${MINIO_ROOT_USER}"
+      MINIO_SECRET_KEY: "${MINIO_ROOT_PASSWORD}"
+      MINIO_USE_SSL: "true"
+      MINIO_PUBLIC_ENDPOINT: "${MINIO_PUBLIC_ENDPOINT}"
+      MINIO_PUBLIC_USE_SSL: "${MINIO_PUBLIC_USE_SSL}"
+
+      # ── Meilisearch / Valkey — not exposed, disabled ────────────────────────
+      MEILI_URL: ""
+      VALKEY_ADDR: ""
+
+      # ── Kokoro TTS ──────────────────────────────────────────────────────────
+      KOKORO_URL: "${KOKORO_URL}"
+      KOKORO_VOICE: "${KOKORO_VOICE}"
+
+      # ── Runner tuning ───────────────────────────────────────────────────────
+      RUNNER_WORKER_ID: "${RUNNER_WORKER_ID}"
+      RUNNER_POLL_INTERVAL: "${RUNNER_POLL_INTERVAL}"
+      RUNNER_MAX_CONCURRENT_SCRAPE: "${RUNNER_MAX_CONCURRENT_SCRAPE}"
+      RUNNER_MAX_CONCURRENT_AUDIO: "${RUNNER_MAX_CONCURRENT_AUDIO}"
+      RUNNER_TIMEOUT: "${RUNNER_TIMEOUT}"
+      RUNNER_METRICS_ADDR: "${RUNNER_METRICS_ADDR}"
+      RUNNER_SKIP_INITIAL_CATALOGUE_REFRESH: "true"
+
+      # ── Observability ───────────────────────────────────────────────────────
+      LOG_LEVEL: "${LOG_LEVEL}"
+      GLITCHTIP_DSN: "${GLITCHTIP_DSN}"
+
+    healthcheck:
+      test: ["CMD", "/healthcheck", "file", "/tmp/runner.alive", "120"]
+      interval: 60s
+      timeout: 5s
+      retries: 3

ios/AGENTS.md

@@ -0,0 +1,87 @@
+# LibNovel iOS App
+
+SwiftUI app targeting iOS 17+. Consumes the Go scraper HTTP API for books, chapters, and audio. Uses MinIO presigned URLs for media playback and downloads.
+
+## Project Structure
+
+```
+ios/LibNovel/LibNovel/
+├── App/                    # LibNovelApp.swift, ContentView.swift, RootTabView.swift
+├── Models/                 # Models.swift (all domain types)
+├── Networking/             # APIClient.swift (URLSession-based HTTP client)
+├── Services/               # AudioPlayerService, AudioDownloadService, AuthStore,
+│                           # BookVoicePreferences, NetworkMonitor
+├── ViewModels/             # One per view/feature (HomeViewModel, BrowseViewModel, etc.)
+├── Views/
+│   ├── Auth/               # AuthView
+│   ├── BookDetail/         # BookDetailView, CommentsView
+│   ├── Browse/             # BrowseView (infinite scroll shelves)
+│   ├── ChapterReader/      # ChapterReaderView, DownloadAudioButton
+│   ├── Common/             # CommonViews (shared reusable components)
+│   ├── Components/         # OfflineBanner
+│   ├── Downloads/          # DownloadsView, DownloadQueueButton
+│   ├── Home/               # HomeView
+│   ├── Library/            # LibraryView (2-col grid, filters)
+│   ├── Player/             # PlayerViews (floating FAB, compact, full-screen)
+│   ├── Profile/            # ProfileView, VoiceSelectionView, UserProfileView, etc.
+│   └── Search/             # SearchView
+└── Extensions/             # NavDestination.swift, String+App.swift, Color+App.swift
+```
+
+## iOS / Swift Conventions
+
+- **Deployment target**: iOS 17.0 — use iOS 17+ APIs freely.
+- **Observable pattern**: The codebase currently uses `@StateObject` / `ObservableObject` / `@Published`. When adding new types, prefer the **`@Observable` macro** (iOS 17+) over `ObservableObject`. Do not refactor existing types unless explicitly asked.
+- **Navigation**: Use `NavigationStack` (not `NavigationView`). Use `.navigationDestination(for:)` for type-safe routing.
+- **Concurrency**: Use `async/await` and structured concurrency. Avoid callback-based APIs and `DispatchQueue.main.async` — prefer `@MainActor` or `await MainActor.run`.
+- **State management**: Prefer `@State` + `@Binding` for local UI state. Use environment objects for app-wide services (authStore, audioPlayer, downloadService, networkMonitor).
+- **SwiftData**: Not currently used. Do not introduce SwiftData without discussion.
+- **SF Symbols**: Use `Image(systemName:)` for icons. No emoji in UI unless already present.
+
+## Key Patterns
+
+- **Download keys**: Use `::` as separator (e.g., `"slug::chapter-1::voice"`), never `-`. Slugs contain hyphens.
+- **Voice fallback chain**: book override → global default → `"af_bella"`. See `BookVoicePreferences.voiceWithFallback()`.
+- **Offline handling**: Wrap view bodies in `VStack` with `OfflineBanner` at top. Use `NetworkMonitor` (environment object) to gate network calls. Suppress network errors silently when offline via `ErrorAlertModifier`.
+- **Audio playback priority**: local file → MinIO presigned URL → trigger TTS generation.
+- **Progress display**: Show decimal % when < 10% (e.g., "3.4%"), rounded when >= 10% (e.g., "47%").
+- **Cover images**: Always proxy via `/api/cover/{domain}/{slug}` — never link directly to source.
+
+## Networking
+
+`APIClient.swift` wraps all Go scraper API calls. When adding new endpoints:
+
+1. Add a method to `APIClient`.
+2. Keep error handling consistent — throw typed errors, let ViewModels catch and set `errorMessage`.
+3. All requests are relative to `SCRAPER_API_URL` (configured at build time via xcconfig or environment).
+
+## Using Documentation Tools
+
+When writing or reviewing SwiftUI/Swift code:
+
+- Use `context7` to look up current Apple SwiftUI/Swift documentation before implementing anything non-trivial. Apple's APIs evolve fast — do not rely on training data alone.
+- Use `gh_grep` to find real-world Swift patterns when unsure how something is typically implemented.
+
+Example prompts:
+- "How does `.searchable` work in iOS 17? use context7"
+- "Show me examples of `@Observable` with async tasks. use context7"
+- "How do other apps implement background URLSession downloads in Swift? use gh_grep"
+
+## UI/UX Skill
+
+For any iOS view work, always load the `ios-ux` skill at the start of the task:
+
+```
+skill({ name: "ios-ux" })
+```
+
+This skill defines the full design system, animation rules, haptic feedback policy, accessibility checklist, performance guidelines, and offline handling requirements. It also governs how to handle screenshot-based reviews (analyze → suggest → confirm before applying).
+
+## What to Avoid
+
+- `NavigationView` — deprecated, use `NavigationStack`
+- `ObservableObject` / `@Published` for new types — prefer `@Observable`
+- `DispatchQueue.main.async` — prefer `@MainActor`
+- Force unwrapping optionals
+- Hardcoded color literals — use `Color+App.swift` extensions or semantic colors
+- Adding new dependencies (SPM packages) without discussion

ios/LibNovel/.gitignore

@@ -1,10 +0,0 @@
-# Fastlane
-fastlane/report.xml
-fastlane/Preview.html
-fastlane/screenshots/**/*.png
-fastlane/test_output
-fastlane/README.md
-
-# Bundler
-.bundle
-vendor/bundle

ios/LibNovel/ExportOptions.plist

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>method</key>
-	<string>app-store</string>
-	<key>teamID</key>
-	<string>GHZXC6FVMU</string>
-	<key>uploadBitcode</key>
-	<false/>
-	<key>uploadSymbols</key>
-	<true/>
-	<key>signingStyle</key>
-	<string>manual</string>
-	<key>provisioningProfiles</key>
-	<dict>
-		<key>com.kalekber.LibNovel</key>
-		<string>LibNovel Distribution</string>
-	</dict>
-</dict>
-</plist>

ios/LibNovel/Gemfile

@@ -1,3 +0,0 @@
-source "https://rubygems.org"
-
-gem "fastlane"

ios/LibNovel/LibNovel.xcodeproj/project.pbxproj

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ios/LibNovel/LibNovel.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,15 +0,0 @@
-{
-  "originHash" : "ad75ae2d3b8d8b80d99635f65213a3c1092464aa54a86354f850b8317b6fa240",
-  "pins" : [
-    {
-      "identity" : "kingfisher",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/onevcat/Kingfisher",
-      "state" : {
-        "revision" : "c92b84898e34ab46ff0dad86c02a0acbe2d87008",
-        "version" : "8.8.0"
-      }
-    }
-  ],
-  "version" : 3
-}

ios/LibNovel/LibNovel.xcodeproj/xcshareddata/xcschemes/LibNovel.xcscheme

@@ -1,105 +0,0 @@
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-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "D039EDECDE3998D8534BB680"
-               BuildableName = "LibNovel.app"
-               BlueprintName = "LibNovel"
-               ReferencedContainer = "container:LibNovel.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "D039EDECDE3998D8534BB680"
-            BuildableName = "LibNovel.app"
-            BlueprintName = "LibNovel"
-            ReferencedContainer = "container:LibNovel.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <Testables>
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-         </BuildableReference>
-      </BuildableProductRunnable>
-      <EnvironmentVariables>
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-            isEnabled = "YES">
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ios/LibNovel/LibNovel/App/ContentView.swift

@@ -1,16 +0,0 @@
-import SwiftUI
-
-struct ContentView: View {
-    @EnvironmentObject var authStore: AuthStore
-    @EnvironmentObject var audioPlayer: AudioPlayerService
-
-    var body: some View {
-        Group {
-            if authStore.isAuthenticated {
-                RootTabView()
-            } else {
-                AuthView()
-            }
-        }
-    }
-}

ios/LibNovel/LibNovel/App/LibNovelApp.swift

@@ -1,15 +0,0 @@
-import SwiftUI
-
-@main
-struct LibNovelApp: App {
-    @StateObject private var authStore = AuthStore()
-    @StateObject private var audioPlayer = AudioPlayerService()
-
-    var body: some Scene {
-        WindowGroup {
-            ContentView()
-                .environmentObject(authStore)
-                .environmentObject(audioPlayer)
-        }
-    }
-}

ios/LibNovel/LibNovel/App/RootTabView.swift

@@ -1,105 +0,0 @@
-import SwiftUI
-
-// MARK: - Root tab container with persistent mini-player overlay
-
-struct RootTabView: View {
-    @EnvironmentObject var authStore: AuthStore
-    @EnvironmentObject var audioPlayer: AudioPlayerService
-
-    @State private var selectedTab: Tab = .home
-    @State private var showFullPlayer: Bool = false
-
-    /// Live drag offset while the user is dragging the full player down.
-    @State private var fullPlayerDragOffset: CGFloat = 0
-
-    enum Tab: Hashable {
-        case home, library, browse, profile
-    }
-
-    /// Height of the mini player bar (progress line 2pt + vertical padding 20pt + content ~44pt)
-    private let miniPlayerBarHeight: CGFloat = AppLayout.miniPlayerBarHeight
-
-    var body: some View {
-        ZStack(alignment: .bottom) {
-            TabView(selection: $selectedTab) {
-                HomeView()
-                    .tabItem { Label("Home", systemImage: "house.fill") }
-                    .tag(Tab.home)
-
-                LibraryView()
-                    .tabItem { Label("Library", systemImage: "book.pages.fill") }
-                    .tag(Tab.library)
-
-                BrowseView()
-                    .tabItem { Label("Discover", systemImage: "sparkles") }
-                    .tag(Tab.browse)
-
-                ProfileView()
-                    .tabItem { Label("Profile", systemImage: "gear") }
-                    .tag(Tab.profile)
-            }
-            // Reserve space for the mini-player above the tab bar so scroll content
-            // never slides beneath it.
-            .safeAreaInset(edge: .bottom) {
-                if audioPlayer.isActive {
-                    Color.clear.frame(height: miniPlayerBarHeight)
-                }
-            }
-
-            // Mini-player pinned above the tab bar (hidden while full player is open)
-            if audioPlayer.isActive && !showFullPlayer {
-                MiniPlayerView(showFullPlayer: $showFullPlayer)
-                    .padding(.bottom, tabBarHeight)
-                    .transition(.move(edge: .bottom).combined(with: .opacity))
-                    .animation(.spring(response: 0.35, dampingFraction: 0.8), value: audioPlayer.isActive)
-            }
-
-            // Full player — slides up from the bottom as a custom overlay (not a sheet)
-            // so it feels physically connected to the mini player bar.
-            if showFullPlayer {
-                FullPlayerView(onDismiss: {
-                    withAnimation(.spring(response: 0.4, dampingFraction: 0.85)) {
-                        showFullPlayer = false
-                        fullPlayerDragOffset = 0
-                    }
-                })
-                .offset(y: max(fullPlayerDragOffset, 0))
-                .gesture(
-                    DragGesture(minimumDistance: 10)
-                        .onChanged { value in
-                            if value.translation.height > 0 {
-                                // Rubberband slightly so it doesn't feel locked
-                                fullPlayerDragOffset = value.translation.height
-                            }
-                        }
-                        .onEnded { value in
-                            let velocity = value.predictedEndTranslation.height - value.translation.height
-                            if value.translation.height > 120 || velocity > 400 {
-                                withAnimation(.spring(response: 0.4, dampingFraction: 0.85)) {
-                                    showFullPlayer = false
-                                    fullPlayerDragOffset = 0
-                                }
-                            } else {
-                                withAnimation(.spring(response: 0.35, dampingFraction: 0.8)) {
-                                    fullPlayerDragOffset = 0
-                                }
-                            }
-                        }
-                )
-                .transition(.move(edge: .bottom))
-                .animation(.spring(response: 0.45, dampingFraction: 0.85), value: showFullPlayer)
-                .ignoresSafeArea()
-            }
-        }
-        .animation(.spring(response: 0.45, dampingFraction: 0.85), value: showFullPlayer)
-    }
-
-    // Approximate safe-area-aware tab bar height
-    private var tabBarHeight: CGFloat {
-        let window = UIApplication.shared.connectedScenes
-            .compactMap { $0 as? UIWindowScene }
-            .first?.windows.first(where: \.isKeyWindow)
-        let bottomInset = window?.safeAreaInsets.bottom ?? 0
-        return 49 + bottomInset   // 49pt is the standard iOS tab bar height
-    }
-}

ios/LibNovel/LibNovel/Extensions/Color+App.swift

@@ -1,10 +0,0 @@
-import SwiftUI
-
-// MARK: - App accent color (amber — mirrors Tailwind amber-500 #f59e0b)
-extension Color {
-    static let amber = Color(red: 0.96, green: 0.62, blue: 0.04)
-}
-
-extension ShapeStyle where Self == Color {
-    static var amber: Color { .amber }
-}

ios/LibNovel/LibNovel/Extensions/NavDestination.swift

@@ -1,100 +0,0 @@
-import SwiftUI
-
-// MARK: - Navigation destination enum used across all tabs
-
-enum NavDestination: Hashable {
-    case book(String)               // slug
-    case chapter(String, Int)       // slug + chapter number
-}
-
-// MARK: - View extensions for shared navigation + error alert patterns
-
-extension View {
-    /// Registers the app-wide navigation destinations for NavDestination values.
-    /// Apply once per NavigationStack instead of repeating the switch in every tab.
-    func appNavigationDestination() -> some View {
-        modifier(AppNavigationDestinationModifier())
-    }
-
-    /// Presents a standard "Error" alert driven by an optional String binding.
-    /// Dismissing the alert sets the binding back to nil.
-    func errorAlert(_ error: Binding<String?>) -> some View {
-        alert("Error", isPresented: Binding(
-            get: { error.wrappedValue != nil },
-            set: { if !$0 { error.wrappedValue = nil } }
-        )) {
-            Button("OK") { error.wrappedValue = nil }
-        } message: {
-            Text(error.wrappedValue ?? "")
-        }
-    }
-}
-
-// MARK: - Navigation destination modifier
-
-private struct AppNavigationDestinationModifier: ViewModifier {
-    @Namespace private var zoomNamespace
-
-    func body(content: Content) -> some View {
-        if #available(iOS 18.0, *) {
-            content
-                .navigationDestination(for: NavDestination.self) { dest in
-                    switch dest {
-                    case .book(let slug):
-                        BookDetailView(slug: slug)
-                            .navigationTransition(.zoom(sourceID: slug, in: zoomNamespace))
-                    case .chapter(let slug, let n):
-                        ChapterReaderView(slug: slug, chapterNumber: n)
-                    }
-                }
-                // Expose namespace to child views via environment
-                .environment(\.bookZoomNamespace, zoomNamespace)
-        } else {
-            content
-                .navigationDestination(for: NavDestination.self) { dest in
-                    switch dest {
-                    case .book(let slug): BookDetailView(slug: slug)
-                    case .chapter(let slug, let n): ChapterReaderView(slug: slug, chapterNumber: n)
-                    }
-                }
-        }
-    }
-}
-
-// MARK: - Environment key for zoom namespace
-
-struct BookZoomNamespaceKey: EnvironmentKey {
-    static var defaultValue: Namespace.ID? { nil }
-}
-
-extension EnvironmentValues {
-    var bookZoomNamespace: Namespace.ID? {
-        get { self[BookZoomNamespaceKey.self] }
-        set { self[BookZoomNamespaceKey.self] = newValue }
-    }
-}
-
-// MARK: - Cover card zoom source modifier
-
-/// Apply this to any cover image that should be a zoom source for book navigation.
-/// Falls back to a no-op on iOS 17 or when no namespace is available.
-struct BookCoverZoomSource: ViewModifier {
-    let slug: String
-    @Environment(\.bookZoomNamespace) private var namespace
-
-    func body(content: Content) -> some View {
-        if #available(iOS 18.0, *), let ns = namespace {
-            content.matchedTransitionSource(id: slug, in: ns)
-        } else {
-            content
-        }
-    }
-}
-
-extension View {
-    /// Marks a cover image as the zoom source for a book's navigation transition.
-    func bookCoverZoomSource(slug: String) -> some View {
-        modifier(BookCoverZoomSource(slug: slug))
-    }
-}
-

ios/LibNovel/LibNovel/Extensions/String+App.swift

@@ -1,49 +0,0 @@
-import Foundation
-
-// MARK: - String helpers for display purposes
-
-extension String {
-    /// Strips trailing relative-date suffixes (e.g. "2 years ago", "3 days ago",
-    /// or "(One)4 years ago" where the number is attached without a preceding space).
-    func strippingTrailingDate() -> String {
-        let units = ["second", "minute", "hour", "day", "week", "month", "year"]
-        let lower = self.lowercased()
-        for unit in units {
-            for suffix in [unit + "s ago", unit + " ago"] {
-                guard let suffixRange = lower.range(of: suffix, options: .backwards) else { continue }
-                // Everything before the suffix
-                let before = String(self[self.startIndex ..< suffixRange.lowerBound])
-                let trimmed = before.trimmingCharacters(in: .whitespaces)
-                // Strip trailing digits (the numeric count, which may be attached without a space)
-                var result = trimmed
-                while let last = result.last, last.isNumber {
-                    result.removeLast()
-                }
-                result = result.trimmingCharacters(in: .whitespaces)
-                if result != trimmed {
-                    // We actually stripped some digits — return cleaned result
-                    return result
-                }
-                // Fallback: number preceded by space
-                if let spaceIdx = trimmed.lastIndex(of: " ") {
-                    let potentialNum = String(trimmed[trimmed.index(after: spaceIdx)...])
-                    if Int(potentialNum) != nil {
-                        return String(trimmed[trimmed.startIndex ..< spaceIdx])
-                            .trimmingCharacters(in: .whitespaces)
-                    }
-                } else if Int(trimmed) != nil {
-                    return ""
-                }
-            }
-        }
-        return self
-    }
-}
-
-// MARK: - App-wide layout constants
-
-enum AppLayout {
-    /// Height of the persistent mini-player bar:
-    /// 12pt vertical padding (top) + 56pt cover height + 12pt vertical padding (bottom) + 12pt horizontal margin.
-    static let miniPlayerBarHeight: CGFloat = 92
-}

ios/LibNovel/LibNovel/Models/Models.swift

@@ -1,309 +0,0 @@
-import Foundation
-import SwiftUI
-
-// MARK: - Book
-
-struct Book: Identifiable, Codable, Hashable {
-    let id: String
-    let slug: String
-    let title: String
-    let author: String
-    let cover: String
-    let status: String
-    let genres: [String]
-    let summary: String
-    let totalChapters: Int
-    let sourceURL: String
-    let ranking: Int
-    let metaUpdated: String
-
-    enum CodingKeys: String, CodingKey {
-        case id, slug, title, author, cover, status, genres, summary
-        case totalChapters = "total_chapters"
-        case sourceURL = "source_url"
-        case ranking
-        case metaUpdated = "meta_updated"
-    }
-
-    // PocketBase returns genres as either a JSON string array or a real array
-    init(from decoder: Decoder) throws {
-        let container = try decoder.container(keyedBy: CodingKeys.self)
-        id = try container.decode(String.self, forKey: .id)
-        slug = try container.decode(String.self, forKey: .slug)
-        title = try container.decode(String.self, forKey: .title)
-        author = try container.decode(String.self, forKey: .author)
-        cover = try container.decodeIfPresent(String.self, forKey: .cover) ?? ""
-        status = try container.decodeIfPresent(String.self, forKey: .status) ?? ""
-        totalChapters = try container.decodeIfPresent(Int.self, forKey: .totalChapters) ?? 0
-        sourceURL = try container.decodeIfPresent(String.self, forKey: .sourceURL) ?? ""
-        ranking = try container.decodeIfPresent(Int.self, forKey: .ranking) ?? 0
-        metaUpdated = try container.decodeIfPresent(String.self, forKey: .metaUpdated) ?? ""
-        summary = try container.decodeIfPresent(String.self, forKey: .summary) ?? ""
-
-        // genres is sometimes a JSON-encoded string, sometimes a real array
-        if let arr = try? container.decode([String].self, forKey: .genres) {
-            genres = arr
-        } else if let str = try? container.decode(String.self, forKey: .genres),
-                  let data = str.data(using: .utf8),
-                  let arr = try? JSONDecoder().decode([String].self, from: data) {
-            genres = arr
-        } else {
-            genres = []
-        }
-    }
-}
-
-// MARK: - ChapterIndex
-
-struct ChapterIndex: Identifiable, Codable, Hashable {
-    let id: String
-    let slug: String
-    let number: Int
-    let title: String
-    let dateLabel: String
-
-    enum CodingKeys: String, CodingKey {
-        case id, slug, number, title
-        case dateLabel = "date_label"
-    }
-}
-
-struct ChapterIndexBrief: Codable, Hashable {
-    let number: Int
-    let title: String
-}
-
-// MARK: - User Settings
-
-struct UserSettings: Codable {
-    var id: String?
-    var autoNext: Bool
-    var voice: String
-    var speed: Double
-
-    // Server sends/expects camelCase: { autoNext, voice, speed }
-    // (No CodingKeys needed — Swift synthesises the same names by default)
-
-    static let `default` = UserSettings(id: nil, autoNext: false, voice: "af_bella", speed: 1.0)
-}
-
-// MARK: - Reading Display Settings (local only — stored in UserDefaults)
-
-enum ReaderTheme: String, CaseIterable, Codable {
-    case white, sepia, night
-
-    var backgroundColor: Color {
-        switch self {
-        case .white: return Color(.sRGB, white: 1.0, opacity: 1)
-        case .sepia:  return Color(red: 0.97, green: 0.93, blue: 0.82)
-        case .night:  return Color(red: 0.10, green: 0.10, blue: 0.12)
-        }
-    }
-
-    var textColor: Color {
-        switch self {
-        case .white: return Color(.sRGB, white: 0.1, opacity: 1)
-        case .sepia:  return Color(red: 0.25, green: 0.18, blue: 0.08)
-        case .night:  return Color(red: 0.85, green: 0.85, blue: 0.87)
-        }
-    }
-
-    var colorScheme: ColorScheme? {
-        switch self {
-        case .white: return nil          // follows system
-        case .sepia:  return .light
-        case .night:  return .dark
-        }
-    }
-}
-
-enum ReaderFont: String, CaseIterable, Codable {
-    case system    = "System"
-    case georgia   = "Georgia"
-    case newYork   = "New York"
-
-    var fontName: String? {
-        switch self {
-        case .system:  return nil
-        case .georgia: return "Georgia"
-        case .newYork: return "NewYorkMedium-Regular"
-        }
-    }
-}
-
-struct ReaderSettings: Codable, Equatable {
-    var fontSize: CGFloat
-    var lineSpacing: CGFloat
-    var font: ReaderFont
-    var theme: ReaderTheme
-    var scrollMode: Bool
-
-    static let `default` = ReaderSettings(
-        fontSize: 17,
-        lineSpacing: 1.7,
-        font: .system,
-        theme: .white,
-        scrollMode: false
-    )
-
-    static let userDefaultsKey = "readerSettings"
-
-    static func load() -> ReaderSettings {
-        guard let data = UserDefaults.standard.data(forKey: userDefaultsKey),
-              let decoded = try? JSONDecoder().decode(ReaderSettings.self, from: data)
-        else { return .default }
-        return decoded
-    }
-
-    func save() {
-        if let data = try? JSONEncoder().encode(self) {
-            UserDefaults.standard.set(data, forKey: ReaderSettings.userDefaultsKey)
-        }
-    }
-}
-
-// MARK: - User
-
-struct AppUser: Codable, Identifiable {
-    let id: String
-    let username: String
-    let role: String
-    let created: String
-    let avatarURL: String?
-
-    var isAdmin: Bool { role == "admin" }
-
-    enum CodingKeys: String, CodingKey {
-        case id, username, role, created
-        case avatarURL = "avatar_url"
-    }
-
-    init(id: String, username: String, role: String, created: String, avatarURL: String?) {
-        self.id = id
-        self.username = username
-        self.role = role
-        self.created = created
-        self.avatarURL = avatarURL
-    }
-
-    init(from decoder: Decoder) throws {
-        let c = try decoder.container(keyedBy: CodingKeys.self)
-        id        = try c.decode(String.self, forKey: .id)
-        username  = try c.decode(String.self, forKey: .username)
-        role      = try c.decodeIfPresent(String.self, forKey: .role) ?? "user"
-        created   = try c.decodeIfPresent(String.self, forKey: .created) ?? ""
-        avatarURL = try c.decodeIfPresent(String.self, forKey: .avatarURL)
-    }
-}
-
-// MARK: - Ranking
-
-struct RankingItem: Codable, Identifiable {
-    var id: String { slug }
-    let rank: Int
-    let slug: String
-    let title: String
-    let author: String
-    let cover: String
-    let status: String
-    let genres: [String]
-    let sourceURL: String
-
-    enum CodingKeys: String, CodingKey {
-        case rank, slug, title, author, cover, status, genres
-        case sourceURL = "source_url"
-    }
-}
-
-// MARK: - Home
-
-struct ContinueReadingItem: Identifiable {
-    var id: String { book.id }
-    let book: Book
-    let chapter: Int
-}
-
-struct HomeStats: Codable {
-    let totalBooks: Int
-    let totalChapters: Int
-    let booksInProgress: Int
-}
-
-// MARK: - Session
-
-struct UserSession: Codable, Identifiable {
-    let id: String
-    let userAgent: String
-    let ip: String
-    let createdAt: String
-    let lastSeen: String
-    var isCurrent: Bool
-
-    enum CodingKeys: String, CodingKey {
-        case id
-        case userAgent = "user_agent"
-        case ip
-        case createdAt = "created_at"
-        case lastSeen = "last_seen"
-        case isCurrent = "is_current"
-    }
-}
-
-struct PreviewChapter: Codable, Identifiable {
-    var id: Int { number }
-    let number: Int
-    let title: String
-    let url: String
-}
-
-struct BookBrief: Codable {
-    let slug: String
-    let title: String
-    let cover: String
-}
-
-// MARK: - Comments
-
-struct BookComment: Identifiable, Codable, Hashable {
-    let id: String
-    let slug: String
-    let userId: String
-    let username: String
-    let body: String
-    var upvotes: Int
-    var downvotes: Int
-    let created: String
-
-    enum CodingKeys: String, CodingKey {
-        case id, slug, username, body, upvotes, downvotes, created
-        case userId = "user_id"
-    }
-
-    init(from decoder: Decoder) throws {
-        let c = try decoder.container(keyedBy: CodingKeys.self)
-        id        = try c.decode(String.self, forKey: .id)
-        slug      = try c.decodeIfPresent(String.self, forKey: .slug) ?? ""
-        userId    = try c.decodeIfPresent(String.self, forKey: .userId) ?? ""
-        username  = try c.decodeIfPresent(String.self, forKey: .username) ?? ""
-        body      = try c.decodeIfPresent(String.self, forKey: .body) ?? ""
-        upvotes   = try c.decodeIfPresent(Int.self, forKey: .upvotes) ?? 0
-        downvotes = try c.decodeIfPresent(Int.self, forKey: .downvotes) ?? 0
-        created   = try c.decodeIfPresent(String.self, forKey: .created) ?? ""
-    }
-}
-
-struct CommentsResponse: Decodable {
-    let comments: [BookComment]
-    let myVotes: [String: String]
-
-    enum CodingKeys: String, CodingKey {
-        case comments
-        case myVotes = "myVotes"
-    }
-}
-
-// MARK: - Audio
-
-enum NextPrefetchStatus {
-    case none, prefetching, prefetched, failed
-}

ios/LibNovel/LibNovel/Networking/APIClient.swift

@@ -1,521 +0,0 @@
-import Foundation
-
-// MARK: - API Client
-// Communicates with the SvelteKit UI server (not directly with the Go scraper).
-// The SvelteKit layer handles auth, PocketBase queries, and MinIO presigning.
-// For the iOS app we talk to the same /api/* endpoints the web UI uses,
-// so we reuse the exact same HMAC-cookie auth flow.
-
-actor APIClient {
-    static let shared = APIClient()
-
-    var baseURL: URL
-    private var authCookie: String?     // raw "libnovel_auth=<token>" header value
-
-    // URLSession with persistent cookie storage
-    private let session: URLSession = {
-        let config = URLSessionConfiguration.default
-        config.httpCookieAcceptPolicy = .always
-        config.httpShouldSetCookies = true
-        config.httpCookieStorage = HTTPCookieStorage.shared
-        return URLSession(configuration: config)
-    }()
-
-    private init() {
-        // Default: point at the UI server. Override via Settings bundle or compile flag.
-        let urlString = Bundle.main.object(forInfoDictionaryKey: "LIBNOVEL_BASE_URL") as? String
-                        ?? "https://v2.libnovel.kalekber.cc"
-        baseURL = URL(string: urlString)!
-    }
-
-    // MARK: - Auth cookie management
-
-    func setAuthCookie(_ value: String?) {
-        authCookie = value
-        if let value {
-            // Also inject into shared cookie storage so redirects carry the cookie
-            let cookieProps: [HTTPCookiePropertyKey: Any] = [
-                .name: "libnovel_auth",
-                .value: value,
-                .domain: baseURL.host ?? "localhost",
-                .path: "/"
-            ]
-            if let cookie = HTTPCookie(properties: cookieProps) {
-                HTTPCookieStorage.shared.setCookie(cookie)
-            }
-        } else {
-            // Clear
-            let cookieStorage = HTTPCookieStorage.shared
-            cookieStorage.cookies(for: baseURL)?.forEach { cookieStorage.deleteCookie($0) }
-        }
-    }
-
-    // MARK: - Low-level request builder
-
-    private func makeRequest(_ path: String, method: String = "GET", body: Encodable? = nil) throws -> URLRequest {
-        // Build URL by appending the path string directly to the base URL string.
-        // appendingPathComponent() percent-encodes slashes, which breaks multi-segment
-        // paths like /api/chapter/slug/1. URL(string:) preserves slashes correctly.
-        let urlString = baseURL.absoluteString.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
-            + "/" + path.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
-        guard let url = URL(string: urlString) else {
-            throw APIError.invalidResponse
-        }
-        var req = URLRequest(url: url)
-        req.httpMethod = method
-        req.setValue("application/json", forHTTPHeaderField: "Accept")
-        if let body {
-            req.setValue("application/json", forHTTPHeaderField: "Content-Type")
-            req.httpBody = try JSONEncoder().encode(body)
-        }
-        return req
-    }
-
-    // MARK: - Generic fetch
-
-    func fetch<T: Decodable>(_ path: String, method: String = "GET", body: Encodable? = nil) async throws -> T {
-        let req = try makeRequest(path, method: method, body: body)
-        let (data, response) = try await session.data(for: req)
-        guard let http = response as? HTTPURLResponse else {
-            throw APIError.invalidResponse
-        }
-        let rawBody = String(data: data, encoding: .utf8) ?? "<non-utf8 data, \(data.count) bytes>"
-        guard (200..<300).contains(http.statusCode) else {
-            throw APIError.httpError(http.statusCode, rawBody)
-        }
-        do {
-            return try JSONDecoder.iso8601.decode(T.self, from: data)
-        } catch {
-            throw APIError.decodingError(error)
-        }
-    }
-
-    // MARK: - Auth
-
-    struct LoginRequest: Encodable {
-        let username: String
-        let password: String
-    }
-
-    struct LoginResponse: Decodable {
-        let token: String
-        let user: AppUser
-    }
-
-    func login(username: String, password: String) async throws -> LoginResponse {
-        try await fetch("/api/auth/login", method: "POST",
-                        body: LoginRequest(username: username, password: password))
-    }
-
-    func register(username: String, password: String) async throws -> LoginResponse {
-        try await fetch("/api/auth/register", method: "POST",
-                        body: LoginRequest(username: username, password: password))
-    }
-
-    func logout() async throws {
-        let _: EmptyResponse = try await fetch("/api/auth/logout", method: "POST")
-        await setAuthCookie(nil)
-    }
-
-    // MARK: - Home
-
-    func homeData() async throws -> HomeDataResponse {
-        try await fetch("/api/home")
-    }
-
-    // MARK: - Library
-
-    func library() async throws -> [LibraryItem] {
-        try await fetch("/api/library")
-    }
-
-    func saveBook(slug: String) async throws {
-        let _: EmptyResponse = try await fetch("/api/library/\(slug)", method: "POST")
-    }
-
-    func unsaveBook(slug: String) async throws {
-        let _: EmptyResponse = try await fetch("/api/library/\(slug)", method: "DELETE")
-    }
-
-    // MARK: - Book Detail
-
-    func bookDetail(slug: String) async throws -> BookDetailResponse {
-        try await fetch("/api/book/\(slug)")
-    }
-
-    // MARK: - Chapter
-
-    func chapterContent(slug: String, chapter: Int) async throws -> ChapterResponse {
-        try await fetch("/api/chapter/\(slug)/\(chapter)")
-    }
-
-    // MARK: - Browse
-
-    func browse(page: Int, genre: String = "all", sort: String = "popular", status: String = "all") async throws -> BrowseResponse {
-        let query = "?page=\(page)&genre=\(genre)&sort=\(sort)&status=\(status)"
-        return try await fetch("/api/browse-page\(query)")
-    }
-
-    func search(query: String) async throws -> SearchResponse {
-        let encoded = query.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) ?? query
-        return try await fetch("/api/search?q=\(encoded)")
-    }
-
-    func ranking() async throws -> [RankingItem] {
-        try await fetch("/api/ranking")
-    }
-
-    // MARK: - Progress
-
-    func progress() async throws -> [ProgressEntry] {
-        try await fetch("/api/progress")
-    }
-
-    func setProgress(slug: String, chapter: Int) async throws {
-        struct Body: Encodable { let chapter: Int }
-        let _: EmptyResponse = try await fetch("/api/progress/\(slug)", method: "POST", body: Body(chapter: chapter))
-    }
-
-    func audioTime(slug: String, chapter: Int) async throws -> Double? {
-        struct Response: Decodable { let audioTime: Double?; enum CodingKeys: String, CodingKey { case audioTime = "audio_time" } }
-        let r: Response = try await fetch("/api/progress/audio-time?slug=\(slug)&chapter=\(chapter)")
-        return r.audioTime
-    }
-
-    func setAudioTime(slug: String, chapter: Int, time: Double) async throws {
-        struct Body: Encodable { let slug: String; let chapter: Int; let audioTime: Double; enum CodingKeys: String, CodingKey { case slug, chapter; case audioTime = "audio_time" } }
-        let _: EmptyResponse = try await fetch("/api/progress/audio-time", method: "PATCH", body: Body(slug: slug, chapter: chapter, audioTime: time))
-    }
-
-    // MARK: - Audio
-
-    func triggerAudio(slug: String, chapter: Int, voice: String, speed: Double) async throws -> AudioTriggerResponse {
-        struct Body: Encodable { let voice: String; let speed: Double }
-        return try await fetch("/api/audio/\(slug)/\(chapter)", method: "POST", body: Body(voice: voice, speed: speed))
-    }
-
-    /// Poll GET /api/audio/status/{slug}/{n}?voice=... until the job is done or failed.
-    /// Returns the presigned/proxy URL on success, throws on failure or cancellation.
-    func pollAudioStatus(slug: String, chapter: Int, voice: String) async throws -> String {
-        let path = "/api/audio/status/\(slug)/\(chapter)?voice=\(voice)"
-        struct StatusResponse: Decodable {
-            let status: String
-            let url: String?
-            let error: String?
-        }
-        while true {
-            try Task.checkCancellation()
-            let r: StatusResponse = try await fetch(path)
-            switch r.status {
-            case "done":
-                guard let url = r.url, !url.isEmpty else {
-                    throw URLError(.badServerResponse)
-                }
-                return url
-            case "failed":
-                throw NSError(
-                    domain: "AudioGeneration",
-                    code: 0,
-                    userInfo: [NSLocalizedDescriptionKey: r.error ?? "Audio generation failed"]
-                )
-            default:
-                // pending / generating / idle — keep polling
-                try await Task.sleep(nanoseconds: 2_000_000_000) // 2 s
-            }
-        }
-    }
-
-    func presignAudio(slug: String, chapter: Int, voice: String) async throws -> String {
-        struct Response: Decodable { let url: String }
-        let r: Response = try await fetch("/api/presign/audio?slug=\(slug)&chapter=\(chapter)&voice=\(voice)")
-        return r.url
-    }
-
-    func presignVoiceSample(voice: String) async throws -> String {
-        struct Response: Decodable { let url: String }
-        let r: Response = try await fetch("/api/presign/voice-sample?voice=\(voice)")
-        return r.url
-    }
-
-    func voices() async throws -> [String] {
-        struct Response: Decodable { let voices: [String] }
-        let r: Response = try await fetch("/api/voices")
-        return r.voices
-    }
-
-    // MARK: - Settings
-
-    func settings() async throws -> UserSettings {
-        try await fetch("/api/settings")
-    }
-
-    func updateSettings(_ settings: UserSettings) async throws {
-        let _: EmptyResponse = try await fetch("/api/settings", method: "PUT", body: settings)
-    }
-
-    // MARK: - Sessions
-
-    func sessions() async throws -> [UserSession] {
-        struct Response: Decodable { let sessions: [UserSession] }
-        let r: Response = try await fetch("/api/sessions")
-        return r.sessions
-    }
-
-    func revokeSession(id: String) async throws {
-        let _: EmptyResponse = try await fetch("/api/sessions/\(id)", method: "DELETE")
-    }
-
-    // MARK: - Avatar
-
-    struct AvatarPresignResponse: Decodable {
-        let uploadURL: String
-        let key: String
-        enum CodingKeys: String, CodingKey { case uploadURL = "upload_url"; case key }
-    }
-
-    struct AvatarResponse: Decodable {
-        let avatarURL: String?
-        enum CodingKeys: String, CodingKey { case avatarURL = "avatar_url" }
-    }
-
-    /// Upload a profile avatar using a two-step presigned PUT flow:
-    /// 1. POST /api/profile/avatar → get a presigned PUT URL + object key
-    /// 2. PUT image bytes directly to MinIO via the presigned URL
-    /// 3. PATCH /api/profile/avatar with the key to record it in PocketBase
-    /// Returns the presigned GET URL for the uploaded avatar.
-    func uploadAvatar(_ imageData: Data, mimeType: String = "image/jpeg") async throws -> String? {
-        // Step 1: request a presigned PUT URL from the SvelteKit server
-        let presign: AvatarPresignResponse = try await fetch(
-            "/api/profile/avatar",
-            method: "POST",
-            body: ["mime_type": mimeType]
-        )
-
-        // Step 2: PUT the image bytes directly to MinIO
-        guard let putURL = URL(string: presign.uploadURL) else { throw APIError.invalidResponse }
-        var putReq = URLRequest(url: putURL)
-        putReq.httpMethod = "PUT"
-        putReq.setValue(mimeType, forHTTPHeaderField: "Content-Type")
-        putReq.httpBody = imageData
-
-        let (_, putResp) = try await session.data(for: putReq)
-        guard let putHttp = putResp as? HTTPURLResponse,
-              (200..<300).contains(putHttp.statusCode) else {
-            let code = (putResp as? HTTPURLResponse)?.statusCode ?? 0
-            throw APIError.httpError(code, "MinIO PUT failed")
-        }
-
-        // Step 3: record the key in PocketBase and get back a presigned GET URL
-        let result: AvatarResponse = try await fetch(
-            "/api/profile/avatar",
-            method: "PATCH",
-            body: ["key": presign.key]
-        )
-        return result.avatarURL
-    }
-
-    /// Fetches a fresh presigned GET URL for the current user's avatar.
-    /// Returns nil if the user has no avatar set.
-    /// Used on cold launch / session restore to convert the stored raw key into a viewable URL.
-    func fetchAvatarPresignedURL() async throws -> String? {
-        let result: AvatarResponse = try await fetch("/api/profile/avatar")
-        return result.avatarURL
-    }
-
-    // MARK: - Comments
-
-    func fetchComments(slug: String) async throws -> CommentsResponse {
-        try await fetch("/api/comments/\(slug)")
-    }
-
-    struct PostCommentBody: Encodable { let body: String }
-
-    func postComment(slug: String, body: String) async throws -> BookComment {
-        try await fetch("/api/comments/\(slug)", method: "POST", body: PostCommentBody(body: body))
-    }
-
-    struct VoteBody: Encodable { let vote: String }
-
-    /// Cast, change, or toggle-off a vote on a comment.
-    /// Returns the updated BookComment (with refreshed upvotes/downvotes counts).
-    func voteComment(commentId: String, vote: String) async throws -> BookComment {
-        try await fetch("/api/comments/\(commentId)/vote", method: "POST", body: VoteBody(vote: vote))
-    }
-}
-
-// MARK: - Response types
-
-struct HomeDataResponse: Decodable {
-    struct ContinueItem: Decodable {
-        let book: Book
-        let chapter: Int
-    }
-    let continueReading: [ContinueItem]
-    let recentlyUpdated: [Book]
-    let stats: HomeStats
-
-    enum CodingKeys: String, CodingKey {
-        case continueReading = "continue_reading"
-        case recentlyUpdated = "recently_updated"
-        case stats
-    }
-}
-
-struct LibraryItem: Decodable, Identifiable {
-    var id: String { book.id }
-    let book: Book
-    let savedAt: String
-    let lastChapter: Int?
-
-    enum CodingKeys: String, CodingKey {
-        case book
-        case savedAt = "saved_at"
-        case lastChapter = "last_chapter"
-    }
-}
-
-struct BookDetailResponse: Decodable {
-    let book: Book
-    let chapters: [ChapterIndex]
-    let previewChapters: [PreviewChapter]?
-    let inLib: Bool
-    let saved: Bool
-    let lastChapter: Int?
-
-    enum CodingKeys: String, CodingKey {
-        case book, chapters
-        case previewChapters = "preview_chapters"
-        case inLib = "in_lib"
-        case saved
-        case lastChapter = "last_chapter"
-    }
-}
-
-struct ChapterResponse: Decodable {
-    let book: BookBrief
-    let chapter: ChapterIndex
-    let html: String
-    let voices: [String]
-    let prev: Int?
-    let next: Int?
-    let chapters: [ChapterIndexBrief]
-    let isPreview: Bool
-
-    enum CodingKeys: String, CodingKey {
-        case book, chapter, html, voices, prev, next, chapters
-        case isPreview = "is_preview"
-    }
-}
-
-struct BrowseResponse: Decodable {
-    let novels: [BrowseNovel]
-    let page: Int
-    let hasNext: Bool
-}
-
-struct BrowseNovel: Decodable, Identifiable, Hashable {
-    var id: String { slug.isEmpty ? url : slug }
-    let slug: String
-    let title: String
-    let cover: String
-    let rank: String
-    let rating: String
-    let chapters: String
-    let url: String
-    let author: String
-    let status: String
-    let genres: [String]
-
-    enum CodingKeys: String, CodingKey {
-        case slug, title, cover, rank, rating, chapters, url, author, status, genres
-    }
-
-    init(from decoder: Decoder) throws {
-        let c = try decoder.container(keyedBy: CodingKeys.self)
-        slug    = try c.decodeIfPresent(String.self, forKey: .slug) ?? ""
-        title   = try c.decode(String.self, forKey: .title)
-        cover   = try c.decodeIfPresent(String.self, forKey: .cover) ?? ""
-        rank    = try c.decodeIfPresent(String.self, forKey: .rank) ?? ""
-        rating  = try c.decodeIfPresent(String.self, forKey: .rating) ?? ""
-        chapters = try c.decodeIfPresent(String.self, forKey: .chapters) ?? ""
-        url     = try c.decodeIfPresent(String.self, forKey: .url) ?? ""
-        author  = try c.decodeIfPresent(String.self, forKey: .author) ?? ""
-        status  = try c.decodeIfPresent(String.self, forKey: .status) ?? ""
-        genres  = try c.decodeIfPresent([String].self, forKey: .genres) ?? []
-    }
-}
-
-struct SearchResponse: Decodable {
-    let results: [BrowseNovel]
-    let localCount: Int
-    let remoteCount: Int
-
-    enum CodingKeys: String, CodingKey {
-        case results
-        case localCount = "local_count"
-        case remoteCount = "remote_count"
-    }
-}
-
-/// Returned by POST /api/audio/{slug}/{n}.
-/// - 202 Accepted: job enqueued → poll via pollAudioStatus()
-/// - 200 OK: audio already cached → url is ready to play
-struct AudioTriggerResponse: Decodable {
-    let jobId: String?   // present on 202
-    let status: String?  // present on 202: "pending" | "generating"
-    let url: String?     // present on 200: proxy URL ready to play
-    let filename: String? // present on 200
-
-    enum CodingKeys: String, CodingKey {
-        case jobId = "job_id"
-        case status, url, filename
-    }
-
-    /// True when the server accepted the request and created an async job.
-    var isAsync: Bool { jobId != nil }
-}
-
-struct ProgressEntry: Decodable, Identifiable {
-    var id: String { slug }
-    let slug: String
-    let chapter: Int
-    let audioTime: Double?
-    let updated: String
-
-    enum CodingKeys: String, CodingKey {
-        case slug, chapter, updated
-        case audioTime = "audio_time"
-    }
-}
-
-struct EmptyResponse: Decodable {}
-
-// MARK: - API Error
-
-enum APIError: LocalizedError {
-    case invalidResponse
-    case httpError(Int, String)
-    case decodingError(Error)
-    case unauthorized
-    case networkError(Error)
-
-    var errorDescription: String? {
-        switch self {
-        case .invalidResponse: return "Invalid server response"
-        case .httpError(let code, let msg): return "HTTP \(code): \(msg)"
-        case .decodingError(let e): return "Decode error: \(e.localizedDescription)"
-        case .unauthorized: return "Not authenticated"
-        case .networkError(let e): return e.localizedDescription
-        }
-    }
-}
-
-// MARK: - JSONDecoder helper
-
-extension JSONDecoder {
-    static let iso8601: JSONDecoder = {
-        let d = JSONDecoder()
-        d.dateDecodingStrategy = .iso8601
-        return d
-    }()
-}

ios/LibNovel/LibNovel/Resources/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -1,12 +0,0 @@
-{
-  "colors": [
-    {
-      "color": {
-        "color-space": "srgb",
-        "components": { "alpha": "1.000", "blue": "0.040", "green": "0.620", "red": "0.960" }
-      },
-      "idiom": "universal"
-    }
-  ],
-  "info": { "author": "xcode", "version": 1 }
-}

ios/LibNovel/LibNovel/Resources/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,14 +0,0 @@
-{
-  "images" : [
-    {
-      "filename" : "icon-1024.png",
-      "idiom" : "universal",
-      "platform" : "ios",
-      "size" : "1024x1024"
-    }
-  ],
-  "info" : {
-    "author" : "xcode",
-    "version" : 1
-  }
-}

ios/LibNovel/LibNovel/Resources/Assets.xcassets/Contents.json

@@ -1,3 +0,0 @@
-{
-  "info": { "author": "xcode", "version": 1 }
-}

ios/LibNovel/LibNovel/Resources/Info.plist

@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>CFBundleDisplayName</key>
-	<string>LibNovel</string>
-	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleName</key>
-	<string>LibNovel</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$(MARKETING_VERSION)</string>
-	<key>CFBundleVersion</key>
-	<string>1000</string>
-	<key>LIBNOVEL_BASE_URL</key>
-	<string>$(LIBNOVEL_BASE_URL)</string>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UIBackgroundModes</key>
-	<array>
-		<string>audio</string>
-	</array>
-	<key>UILaunchScreen</key>
-	<dict/>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-</dict>
-</plist>

ios/LibNovel/LibNovel/Services/AudioPlayerService.swift

@@ -1,616 +0,0 @@
-import Foundation
-import AVFoundation
-import MediaPlayer
-import Combine
-import Kingfisher
-
-// MARK: - PlaybackProgress
-// Isolated ObservableObject for high-frequency playback state (currentTime,
-// duration, isPlaying). Keeping these separate from AudioPlayerService means
-// the 0.5-second time-observer ticks only invalidate views that explicitly
-// observe PlaybackProgress — menus and other stable UI are unaffected.
-
-@MainActor
-final class PlaybackProgress: ObservableObject {
-    @Published var currentTime: Double = 0
-    @Published var duration: Double = 0
-    @Published var isPlaying: Bool = false
-}
-
-// MARK: - AudioPlayerService
-// Central singleton that owns AVPlayer, drives audio state, handles lock-screen
-// controls (NowPlayingInfoCenter + MPRemoteCommandCenter), and pre-fetches the
-// next chapter audio.
-
-@MainActor
-final class AudioPlayerService: ObservableObject {
-
-    // MARK: - Published state
-
-    @Published var slug: String = ""
-    @Published var chapter: Int = 0
-    @Published var chapterTitle: String = ""
-    @Published var bookTitle: String = ""
-    @Published var coverURL: String = ""
-    @Published var voice: String = "af_bella"
-    @Published var speed: Double = 1.0
-    @Published var chapters: [ChapterIndexBrief] = []
-
-    @Published var status: AudioPlayerStatus = .idle
-    @Published var audioURL: String = ""
-    @Published var errorMessage: String = ""
-    @Published var generationProgress: Double = 0
-
-    /// High-frequency playback state (currentTime / duration / isPlaying).
-    /// Views that only need the seek bar or play-pause button should observe
-    /// this directly so they don't trigger re-renders of menu-bearing parents.
-    let progress = PlaybackProgress()
-
-    // Convenience forwarders so non-view call sites keep compiling unchanged.
-    var currentTime: Double {
-        get { progress.currentTime }
-        set { progress.currentTime = newValue }
-    }
-    var duration: Double {
-        get { progress.duration }
-        set { progress.duration = newValue }
-    }
-    var isPlaying: Bool {
-        get { progress.isPlaying }
-        set { progress.isPlaying = newValue }
-    }
-
-    @Published var autoNext: Bool = false
-    @Published var nextChapter: Int? = nil
-    @Published var prevChapter: Int? = nil
-    
-    @Published var sleepTimer: SleepTimerOption? = nil
-    /// Human-readable countdown string shown in the full player near the moon button.
-    /// e.g. "38:12" for minute-based, "2 ch left" for chapter-based, "" when off.
-    @Published var sleepTimerRemainingText: String = ""
-
-    @Published var nextPrefetchStatus: NextPrefetchStatus = .none
-    @Published var nextAudioURL: String = ""
-    @Published var nextPrefetchedChapter: Int? = nil
-
-    var isActive: Bool {
-        switch status {
-        case .idle: return false
-        default: return true
-        }
-    }
-
-    // MARK: - Private
-
-    private var player: AVPlayer?
-    private var playerItem: AVPlayerItem?
-    private var timeObserver: Any?
-    private var statusObserver: AnyCancellable?
-    private var durationObserver: AnyCancellable?
-    private var finishObserver: AnyCancellable?
-    private var generationTask: Task<Void, Never>?
-    private var prefetchTask: Task<Void, Never>?
-
-    // Cached cover image — downloaded once per chapter load, reused on every
-    // updateNowPlaying() call so we don't re-download on every play/pause/seek.
-    private var cachedCoverArtwork: MPMediaItemArtwork?
-    private var cachedCoverURL: String = ""
-    
-    // Sleep timer tracking
-    private var sleepTimerTask: Task<Void, Never>?
-    private var sleepTimerStartChapter: Int = 0
-    /// Absolute deadline for minute-based timers (nil when not active or chapter-based).
-    private var sleepTimerDeadline: Date? = nil
-    /// 1-second tick task that keeps sleepTimerRemainingText up-to-date.
-    private var sleepTimerCountdownTask: Task<Void, Never>? = nil
-
-    // MARK: - Init
-
-    init() {
-        configureAudioSession()
-        setupRemoteCommandCenter()
-    }
-
-    // MARK: - Public API
-
-    /// Load audio for a specific chapter. Triggers TTS generation if not cached.
-    func load(slug: String, chapter: Int, chapterTitle: String,
-              bookTitle: String, coverURL: String, voice: String, speed: Double,
-              chapters: [ChapterIndexBrief], nextChapter: Int?, prevChapter: Int?) {
-        generationTask?.cancel()
-        prefetchTask?.cancel()
-        stop()
-
-        self.slug = slug
-        self.chapter = chapter
-        self.chapterTitle = chapterTitle
-        self.bookTitle = bookTitle
-        self.coverURL = coverURL
-        self.voice = voice
-        self.speed = speed
-        self.chapters = chapters
-        self.nextChapter = nextChapter
-        self.prevChapter = prevChapter
-        self.nextPrefetchStatus = .none
-        self.nextAudioURL = ""
-        self.nextPrefetchedChapter = nil
-        
-        // Reset sleep timer start chapter if it's a chapter-based timer
-        if case .chapters = sleepTimer {
-            sleepTimerStartChapter = chapter
-        }
-
-        status = .generating
-        generationProgress = 0
-
-        // Invalidate cover cache if the book changed.
-        if coverURL != cachedCoverURL {
-            cachedCoverArtwork = nil
-            cachedCoverURL = coverURL
-            prefetchCoverArtwork(from: coverURL)
-        }
-
-        generationTask = Task { await generateAudio() }
-    }
-
-    func play() {
-        player?.play()
-        player?.rate = Float(speed)
-        isPlaying = true
-        updateNowPlaying()
-    }
-
-    func pause() {
-        player?.pause()
-        isPlaying = false
-        updateNowPlaying()
-    }
-
-    func togglePlayPause() {
-        isPlaying ? pause() : play()
-    }
-
-    func seek(to seconds: Double) {
-        let time = CMTime(seconds: seconds, preferredTimescale: 600)
-        currentTime = seconds   // optimistic UI update
-        player?.seek(to: time, toleranceBefore: .zero, toleranceAfter: .zero) { [weak self] _ in
-            guard let self else { return }
-            Task { @MainActor in self.updateNowPlaying() }
-        }
-    }
-
-    func skip(by seconds: Double) {
-        seek(to: max(0, min(currentTime + seconds, duration)))
-    }
-
-    func setSpeed(_ newSpeed: Double) {
-        speed = newSpeed
-        if isPlaying { player?.rate = Float(newSpeed) }
-        updateNowPlaying()
-    }
-    
-    func setSleepTimer(_ option: SleepTimerOption?) {
-        // Cancel existing timer + countdown
-        sleepTimerTask?.cancel()
-        sleepTimerTask = nil
-        sleepTimerCountdownTask?.cancel()
-        sleepTimerCountdownTask = nil
-        sleepTimerDeadline = nil
-        
-        sleepTimer = option
-        
-        guard let option else {
-            sleepTimerRemainingText = ""
-            return
-        }
-        
-        // Start timer based on option
-        switch option {
-        case .chapters(let count):
-            sleepTimerStartChapter = chapter
-            // Update display immediately; chapter changes are tracked in handlePlaybackFinished.
-            updateChapterTimerLabel(chaptersRemaining: count)
-            
-        case .minutes(let minutes):
-            let deadline = Date().addingTimeInterval(Double(minutes) * 60)
-            sleepTimerDeadline = deadline
-            // Stop playback when the deadline is reached.
-            sleepTimerTask = Task { [weak self] in
-                try? await Task.sleep(nanoseconds: UInt64(minutes) * 60 * 1_000_000_000)
-                guard let self, !Task.isCancelled else { return }
-                await MainActor.run {
-                    self.stop()
-                    self.sleepTimer = nil
-                    self.sleepTimerRemainingText = ""
-                }
-            }
-            // 1-second tick to keep the countdown label fresh.
-            sleepTimerCountdownTask = Task { [weak self] in
-                while !Task.isCancelled {
-                    try? await Task.sleep(nanoseconds: 1_000_000_000)
-                    guard let self, !Task.isCancelled else { return }
-                    await MainActor.run {
-                        guard let deadline = self.sleepTimerDeadline else { return }
-                        let remaining = max(0, deadline.timeIntervalSinceNow)
-                        self.sleepTimerRemainingText = Self.formatCountdown(remaining)
-                    }
-                }
-            }
-            // Set initial label without waiting for the first tick.
-            sleepTimerRemainingText = Self.formatCountdown(Double(minutes) * 60)
-        }
-    }
-    
-    private func updateChapterTimerLabel(chaptersRemaining: Int) {
-        sleepTimerRemainingText = chaptersRemaining == 1 ? "1 ch left" : "\(chaptersRemaining) ch left"
-    }
-
-    private static func formatCountdown(_ seconds: Double) -> String {
-        let s = Int(max(0, seconds))
-        let m = s / 60
-        let sec = s % 60
-        return "\(m):\(String(format: "%02d", sec))"
-    }
-
-    func stop() {
-        player?.pause()
-        teardownPlayer()
-        isPlaying = false
-        currentTime = 0
-        duration = 0
-        audioURL = ""
-        status = .idle
-        
-        // Cancel sleep timer + countdown
-        sleepTimerTask?.cancel()
-        sleepTimerTask = nil
-        sleepTimerCountdownTask?.cancel()
-        sleepTimerCountdownTask = nil
-        sleepTimerDeadline = nil
-        sleepTimer = nil
-        sleepTimerRemainingText = ""
-    }
-
-    // MARK: - Audio generation
-
-    private func generateAudio() async {
-        guard !slug.isEmpty, chapter > 0 else { return }
-        do {
-            // Fast path: audio already in MinIO — get a presigned URL and play immediately.
-            if let presignedURL = try? await APIClient.shared.presignAudio(slug: slug, chapter: chapter, voice: voice) {
-                audioURL = presignedURL
-                status = .ready
-                generationProgress = 100
-                await playURL(presignedURL)
-                await prefetchNext()
-                return
-            }
-
-            // Slow path: trigger TTS generation (async — returns 202 immediately).
-            status = .generating
-            generationProgress = 10
-            let trigger = try await APIClient.shared.triggerAudio(slug: slug, chapter: chapter, voice: voice, speed: speed)
-
-            let playableURL: String
-            if trigger.isAsync {
-                // 202 Accepted: poll until done.
-                generationProgress = 30
-                playableURL = try await APIClient.shared.pollAudioStatus(slug: slug, chapter: chapter, voice: voice)
-            } else {
-                // 200: already cached URL returned inline.
-                guard let url = trigger.url, !url.isEmpty else {
-                    throw URLError(.badServerResponse)
-                }
-                playableURL = url
-            }
-
-            audioURL = playableURL
-            status = .ready
-            generationProgress = 100
-            await playURL(playableURL)
-            await prefetchNext()
-        } catch is CancellationError {
-            // Cancelled — no-op
-        } catch {
-            status = .error(error.localizedDescription)
-            errorMessage = error.localizedDescription
-        }
-    }
-
-    // MARK: - Prefetch next chapter
-    // Always prefetch regardless of autoNext — faster playback when the user
-    // manually navigates forward. autoNext only controls whether we auto-navigate.
-
-    private func prefetchNext() async {
-        guard let next = nextChapter, !Task.isCancelled else { return }
-        nextPrefetchStatus = .prefetching
-        nextPrefetchedChapter = next
-        do {
-            // Fast path: already in MinIO.
-            if let presignedURL = try? await APIClient.shared.presignAudio(slug: slug, chapter: next, voice: voice) {
-                nextAudioURL = presignedURL
-                nextPrefetchStatus = .prefetched
-                return
-            }
-            // Slow path: trigger generation; poll until done (background — won't block playback).
-            let trigger = try await APIClient.shared.triggerAudio(slug: slug, chapter: next, voice: voice, speed: speed)
-            let url: String
-            if trigger.isAsync {
-                url = try await APIClient.shared.pollAudioStatus(slug: slug, chapter: next, voice: voice)
-            } else {
-                guard let u = trigger.url, !u.isEmpty else { throw URLError(.badServerResponse) }
-                url = u
-            }
-            nextAudioURL = url
-            nextPrefetchStatus = .prefetched
-        } catch {
-            nextPrefetchStatus = .failed
-        }
-    }
-
-    // MARK: - AVPlayer management
-
-    private func playURL(_ urlString: String) async {
-        // Resolve relative paths (e.g. "/api/audio/...") to absolute URLs.
-        let resolved: URL?
-        if urlString.hasPrefix("http://") || urlString.hasPrefix("https://") {
-            resolved = URL(string: urlString)
-        } else {
-            resolved = URL(string: urlString, relativeTo: await APIClient.shared.baseURL)?.absoluteURL
-        }
-        guard let url = resolved else { return }
-        teardownPlayer()
-        let item = AVPlayerItem(url: url)
-        playerItem = item
-        player = AVPlayer(playerItem: item)
-
-        // KVO: update duration as soon as asset metadata is loaded.
-        durationObserver = item.publisher(for: \.duration)
-            .receive(on: RunLoop.main)
-            .sink { [weak self] dur in
-                guard let self else { return }
-                let secs = dur.seconds
-                if secs.isFinite && secs > 0 {
-                    self.duration = secs
-                    self.updateNowPlaying()
-                }
-            }
-
-        // KVO: set playback rate once the item is ready.
-        // Do NOT call player?.play() unconditionally — let readyToPlay trigger it
-        // so we don't race between AVPlayer's internal buffering and our call.
-        statusObserver = item.publisher(for: \.status)
-            .receive(on: RunLoop.main)
-            .sink { [weak self] itemStatus in
-                guard let self else { return }
-                if itemStatus == .readyToPlay {
-                    self.player?.rate = Float(self.speed)
-                    self.isPlaying = true
-                    self.updateNowPlaying()
-                } else if itemStatus == .failed {
-                    self.status = .error(item.error?.localizedDescription ?? "Playback failed")
-                    self.errorMessage = item.error?.localizedDescription ?? "Playback failed"
-                }
-            }
-
-        // Periodic time observer for seek bar position.
-        timeObserver = player?.addPeriodicTimeObserver(
-            forInterval: CMTime(seconds: 0.5, preferredTimescale: 600),
-            queue: .main
-        ) { [weak self] time in
-            guard let self else { return }
-            Task { @MainActor in
-                let secs = time.seconds
-                if secs.isFinite && secs >= 0 {
-                    self.currentTime = secs
-                }
-            }
-        }
-
-        // Observe when playback ends.
-        finishObserver = NotificationCenter.default
-            .publisher(for: AVPlayerItem.didPlayToEndTimeNotification, object: item)
-            .sink { [weak self] _ in
-                Task { @MainActor in
-                    self?.handlePlaybackFinished()
-                }
-            }
-
-        // Kick off buffering — actual playback starts via statusObserver above.
-        player?.play()
-    }
-
-    private func teardownPlayer() {
-        if let observer = timeObserver { player?.removeTimeObserver(observer) }
-        timeObserver = nil
-        statusObserver = nil
-        durationObserver = nil
-        finishObserver = nil
-        player = nil
-        playerItem = nil
-    }
-
-    private func handlePlaybackFinished() {
-        isPlaying = false
-
-        guard let next = nextChapter else { return }
-        
-        // Check chapter-based sleep timer
-        if case .chapters(let count) = sleepTimer {
-            let chaptersPlayed = chapter - sleepTimerStartChapter + 1
-            if chaptersPlayed >= count {
-                stop()
-                return
-            }
-            // Update the remaining chapters label.
-            let remaining = count - chaptersPlayed
-            updateChapterTimerLabel(chaptersRemaining: remaining)
-        }
-
-        // Always notify the view that the chapter finished (it may update UI).
-        NotificationCenter.default.post(
-            name: .audioDidFinishChapter,
-            object: nil,
-            userInfo: ["next": next, "autoNext": autoNext]
-        )
-
-        // If autoNext is on, load the next chapter internally right away.
-        // We already have the metadata in `chapters`, so we can reconstruct
-        // everything without waiting for the view to navigate.
-        guard autoNext else { return }
-
-        let nextTitle = chapters.first(where: { $0.number == next })?.title ?? ""
-        let nextNextChapter = chapters.first(where: { $0.number > next })?.number
-        let nextPrevChapter: Int? = chapter  // Current chapter becomes previous for the next one
-
-        // If we already prefetched a URL for the next chapter, skip straight to
-        // playback and kick off generation in the background for the one after.
-        if nextPrefetchStatus == .prefetched, !nextAudioURL.isEmpty {
-            let url = nextAudioURL
-
-            // Advance state before tearing down the current player.
-            chapter = next
-            chapterTitle = nextTitle
-            nextChapter = nextNextChapter
-            prevChapter = nextPrevChapter
-            nextPrefetchStatus = .none
-            nextAudioURL = ""
-            nextPrefetchedChapter = nil
-            audioURL = url
-            status = .ready
-            generationProgress = 100
-            
-            // Update sleep timer start chapter if using chapter-based timer
-            if case .chapters = sleepTimer {
-                sleepTimerStartChapter = next
-            }
-
-            generationTask = Task {
-                await playURL(url)
-                await prefetchNext()
-            }
-        } else {
-            // No prefetch available — do a full load.
-            load(
-                slug: slug,
-                chapter: next,
-                chapterTitle: nextTitle,
-                bookTitle: bookTitle,
-                coverURL: coverURL,
-                voice: voice,
-                speed: speed,
-                chapters: chapters,
-                nextChapter: nextNextChapter,
-                prevChapter: nextPrevChapter
-            )
-        }
-    }
-
-    // MARK: - Cover art prefetch
-
-    private func prefetchCoverArtwork(from urlString: String) {
-        guard !urlString.isEmpty, let url = URL(string: urlString) else { return }
-        KingfisherManager.shared.retrieveImage(with: url) { [weak self] result in
-            guard let self else { return }
-            if case .success(let value) = result {
-                let image = value.image
-                let artwork = MPMediaItemArtwork(boundsSize: image.size) { _ in image }
-                Task { @MainActor in
-                    self.cachedCoverArtwork = artwork
-                    self.updateNowPlaying()
-                }
-            }
-        }
-    }
-
-    // MARK: - Audio Session
-
-    private func configureAudioSession() {
-        do {
-            try AVAudioSession.sharedInstance().setCategory(.playback, mode: .spokenAudio)
-            try AVAudioSession.sharedInstance().setActive(true)
-        } catch {
-            // Non-fatal
-        }
-    }
-
-    // MARK: - Lock Screen / Control Center
-
-    private func setupRemoteCommandCenter() {
-        let center = MPRemoteCommandCenter.shared()
-        center.playCommand.addTarget { [weak self] _ in
-            self?.play()
-            return .success
-        }
-        center.pauseCommand.addTarget { [weak self] _ in
-            self?.pause()
-            return .success
-        }
-        center.togglePlayPauseCommand.addTarget { [weak self] _ in
-            self?.togglePlayPause()
-            return .success
-        }
-        center.skipForwardCommand.preferredIntervals = [15]
-        center.skipForwardCommand.addTarget { [weak self] _ in
-            self?.skip(by: 15)
-            return .success
-        }
-        center.skipBackwardCommand.preferredIntervals = [15]
-        center.skipBackwardCommand.addTarget { [weak self] _ in
-            self?.skip(by: -15)
-            return .success
-        }
-        center.changePlaybackPositionCommand.addTarget { [weak self] event in
-            if let e = event as? MPChangePlaybackPositionCommandEvent {
-                self?.seek(to: e.positionTime)
-            }
-            return .success
-        }
-    }
-
-    private func updateNowPlaying() {
-        var info: [String: Any] = [
-            MPMediaItemPropertyTitle: chapterTitle.isEmpty ? "Chapter \(chapter)" : chapterTitle,
-            MPMediaItemPropertyArtist: bookTitle,
-            MPNowPlayingInfoPropertyElapsedPlaybackTime: currentTime,
-            MPMediaItemPropertyPlaybackDuration: duration,
-            MPNowPlayingInfoPropertyPlaybackRate: isPlaying ? speed : 0.0
-        ]
-        // Use cached artwork — downloaded once in prefetchCoverArtwork().
-        if let artwork = cachedCoverArtwork {
-            info[MPMediaItemPropertyArtwork] = artwork
-        }
-        MPNowPlayingInfoCenter.default().nowPlayingInfo = info
-    }
-}
-
-// MARK: - Supporting types
-
-enum AudioPlayerStatus: Equatable {
-    case idle
-    case generating   // covers both "loading" and "generating TTS" phases
-    case ready
-    case error(String)
-
-    static func == (lhs: AudioPlayerStatus, rhs: AudioPlayerStatus) -> Bool {
-        switch (lhs, rhs) {
-        case (.idle, .idle), (.generating, .generating), (.ready, .ready):
-            return true
-        case (.error(let a), .error(let b)):
-            return a == b
-        default:
-            return false
-        }
-    }
-}
-
-enum SleepTimerOption: Equatable {
-    case chapters(Int)  // Stop after N chapters
-    case minutes(Int)   // Stop after N minutes
-}
-
-extension Notification.Name {
-    static let audioDidFinishChapter = Notification.Name("audioDidFinishChapter")
-    static let skipToNextChapter = Notification.Name("skipToNextChapter")
-    static let skipToPrevChapter = Notification.Name("skipToPrevChapter")
-}

ios/LibNovel/LibNovel/Services/AuthStore.swift

@@ -1,159 +0,0 @@
-import Foundation
-import Combine
-
-// MARK: - AuthStore
-// Owns the authenticated user, the HMAC auth token, and user settings.
-// Persists the token to Keychain so the user stays logged in across launches.
-
-@MainActor
-final class AuthStore: ObservableObject {
-    @Published var user: AppUser?
-    @Published var settings: UserSettings = .default
-    @Published var isLoading: Bool = false
-    @Published var error: String?
-
-    var isAuthenticated: Bool { user != nil }
-
-    private let keychainKey = "libnovel_auth_token"
-
-    init() {
-        // Restore token from Keychain and validate it on launch
-        if let token = loadToken() {
-            Task { await validateToken(token) }
-        }
-    }
-
-    // MARK: - Login / Register
-
-    func login(username: String, password: String) async {
-        isLoading = true
-        error = nil
-        do {
-            let response = try await APIClient.shared.login(username: username, password: password)
-            await APIClient.shared.setAuthCookie(response.token)
-            saveToken(response.token)
-            user = response.user
-            await loadSettings()
-        } catch {
-            self.error = error.localizedDescription
-        }
-        isLoading = false
-    }
-
-    func register(username: String, password: String) async {
-        isLoading = true
-        error = nil
-        do {
-            let response = try await APIClient.shared.register(username: username, password: password)
-            await APIClient.shared.setAuthCookie(response.token)
-            saveToken(response.token)
-            user = response.user
-            await loadSettings()
-        } catch {
-            self.error = error.localizedDescription
-        }
-        isLoading = false
-    }
-
-    func logout() async {
-        do {
-            try await APIClient.shared.logout()
-        } catch {
-            // Best-effort; clear local state regardless
-        }
-        clearToken()
-        user = nil
-        settings = .default
-    }
-
-    // MARK: - Settings
-
-    func loadSettings() async {
-        do {
-            settings = try await APIClient.shared.settings()
-        } catch {
-            // Use defaults if settings endpoint fails
-        }
-    }
-
-    func saveSettings(_ updated: UserSettings) async {
-        do {
-            try await APIClient.shared.updateSettings(updated)
-            settings = updated
-        } catch {
-            self.error = error.localizedDescription
-        }
-    }
-
-    // MARK: - Token validation
-
-    /// Re-validates the current session and refreshes `user` + `settings`.
-    /// Call this after any operation that may change the user record (e.g. avatar upload).
-    func validateToken() async {
-        guard let token = loadToken() else { return }
-        await validateToken(token)
-    }
-
-    private func validateToken(_ token: String) async {
-        await APIClient.shared.setAuthCookie(token)
-        // Use /api/auth/me to restore the user record and confirm the token is still valid
-        do {
-            async let me: AppUser = APIClient.shared.fetch("/api/auth/me")
-            async let s: UserSettings = APIClient.shared.settings()
-            var (restoredUser, restoredSettings) = try await (me, s)
-            // /api/auth/me returns the raw MinIO object key for avatar_url, not a presigned URL.
-            // Exchange the key for a fresh presigned GET URL so KFImage can display it.
-            if let key = restoredUser.avatarURL, !key.hasPrefix("http") {
-                if let presignedURL = try? await APIClient.shared.fetchAvatarPresignedURL() {
-                    restoredUser = AppUser(
-                        id: restoredUser.id,
-                        username: restoredUser.username,
-                        role: restoredUser.role,
-                        created: restoredUser.created,
-                        avatarURL: presignedURL
-                    )
-                }
-            }
-            user = restoredUser
-            settings = restoredSettings
-        } catch let e as APIError {
-            if case .httpError(let code, _) = e, code == 401 {
-                clearToken()
-            }
-        } catch {}
-    }
-
-    // MARK: - Keychain helpers
-
-    private func saveToken(_ token: String) {
-        let data = Data(token.utf8)
-        let query: [String: Any] = [
-            kSecClass as String: kSecClassGenericPassword,
-            kSecAttrAccount as String: keychainKey,
-            kSecValueData as String: data
-        ]
-        SecItemDelete(query as CFDictionary)
-        SecItemAdd(query as CFDictionary, nil)
-    }
-
-    private func loadToken() -> String? {
-        let query: [String: Any] = [
-            kSecClass as String: kSecClassGenericPassword,
-            kSecAttrAccount as String: keychainKey,
-            kSecReturnData as String: true,
-            kSecMatchLimit as String: kSecMatchLimitOne
-        ]
-        var item: CFTypeRef?
-        guard SecItemCopyMatching(query as CFDictionary, &item) == errSecSuccess,
-              let data = item as? Data else { return nil }
-        return String(data: data, encoding: .utf8)
-    }
-
-    private func clearToken() {
-        let query: [String: Any] = [
-            kSecClass as String: kSecClassGenericPassword,
-            kSecAttrAccount as String: keychainKey
-        ]
-        SecItemDelete(query as CFDictionary)
-    }
-}

ios/LibNovel/LibNovel/ViewModels/BookDetailViewModel.swift

@@ -1,47 +0,0 @@
-import Foundation
-
-@MainActor
-final class BookDetailViewModel: ObservableObject {
-    let slug: String
-
-    @Published var book: Book?
-    @Published var chapters: [ChapterIndex] = []
-    @Published var saved: Bool = false
-    @Published var lastChapter: Int?
-    @Published var isLoading = false
-    @Published var error: String?
-
-    init(slug: String) {
-        self.slug = slug
-    }
-
-    func load() async {
-        isLoading = true
-        error = nil
-        do {
-            let detail = try await APIClient.shared.bookDetail(slug: slug)
-            book = detail.book
-            chapters = detail.chapters
-            saved = detail.saved
-            lastChapter = detail.lastChapter
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-
-    func toggleSaved() async {
-        do {
-            if saved {
-                try await APIClient.shared.unsaveBook(slug: slug)
-            } else {
-                try await APIClient.shared.saveBook(slug: slug)
-            }
-            saved.toggle()
-        } catch {
-            self.error = error.localizedDescription
-        }
-    }
-}

ios/LibNovel/LibNovel/ViewModels/BrowseViewModel.swift

@@ -1,73 +0,0 @@
-import Foundation
-
-@MainActor
-final class BrowseViewModel: ObservableObject {
-    @Published var novels: [BrowseNovel] = []
-    @Published var sort: String = "popular"
-    @Published var genre: String = "all"
-    @Published var status: String = "all"
-    @Published var searchQuery: String = ""
-    @Published var isLoading = false
-    @Published var hasNext = false
-    @Published var error: String?
-
-    private var currentPage = 1
-    private var isSearchMode = false
-
-    func loadFirstPage() async {
-        currentPage = 1
-        novels = []
-        isSearchMode = false
-        await loadPage(1)
-    }
-
-    func loadNextPage() async {
-        guard hasNext, !isLoading else { return }
-        await loadPage(currentPage + 1)
-    }
-
-    func search() async {
-        guard !searchQuery.isEmpty else { await loadFirstPage(); return }
-        isLoading = true
-        isSearchMode = true
-        novels = []
-        error = nil
-        do {
-            let result = try await APIClient.shared.search(query: searchQuery)
-            novels = result.results
-            hasNext = false
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-
-    func clearSearch() {
-        searchQuery = ""
-        Task { await loadFirstPage() }
-    }
-
-    private func loadPage(_ page: Int) async {
-        isLoading = true
-        error = nil
-        do {
-            let result = try await APIClient.shared.browse(
-                page: page, genre: genre, sort: sort, status: status
-            )
-            if page == 1 {
-                novels = result.novels
-            } else {
-                novels.append(contentsOf: result.novels)
-            }
-            hasNext = result.hasNext
-            currentPage = page
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-}

ios/LibNovel/LibNovel/ViewModels/ChapterReaderViewModel.swift

@@ -1,69 +0,0 @@
-import Foundation
-
-@MainActor
-final class ChapterReaderViewModel: ObservableObject {
-    let slug: String
-    private(set) var chapter: Int
-
-    @Published var content: ChapterResponse?
-    @Published var isLoading = false
-    @Published var error: String?
-
-    init(slug: String, chapter: Int) {
-        self.slug = slug
-        self.chapter = chapter
-    }
-
-    /// Switch to a different chapter in-place: resets state and updates `chapter`
-    /// so that `.task(id: currentChapter)` in the View re-fires `load()`.
-    func switchChapter(to newChapter: Int) {
-        guard newChapter != chapter else { return }
-        chapter = newChapter
-        content = nil
-        error = nil
-    }
-
-    func load() async {
-        isLoading = true
-        error = nil
-        do {
-            content = try await APIClient.shared.chapterContent(slug: slug, chapter: chapter)
-            // Record reading progress
-            try? await APIClient.shared.setProgress(slug: slug, chapter: chapter)
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-
-    func toggleAudio(audioPlayer: AudioPlayerService, settings: UserSettings) {
-        guard let content else { return }
-
-        // Only treat as "current" if the player is active (not idle/stopped).
-        // If the user stopped playback, isActive is false — we must re-load.
-        let isCurrent = audioPlayer.isActive &&
-                        audioPlayer.slug == slug &&
-                        audioPlayer.chapter == chapter
-
-        if isCurrent {
-            audioPlayer.togglePlayPause()
-        } else {
-            let nextChapter: Int? = content.next
-            let prevChapter: Int? = content.prev
-            audioPlayer.load(
-                slug: slug,
-                chapter: chapter,
-                chapterTitle: content.chapter.title,
-                bookTitle: content.book.title,
-                coverURL: content.book.cover,
-                voice: settings.voice,
-                speed: settings.speed,
-                chapters: content.chapters,
-                nextChapter: nextChapter,
-                prevChapter: prevChapter
-            )
-        }
-    }
-}

ios/LibNovel/LibNovel/ViewModels/HomeViewModel.swift

@@ -1,28 +0,0 @@
-import Foundation
-
-@MainActor
-final class HomeViewModel: ObservableObject {
-    @Published var continueReading: [ContinueReadingItem] = []
-    @Published var recentlyUpdated: [Book] = []
-    @Published var stats: HomeStats?
-    @Published var isLoading = false
-    @Published var error: String?
-
-    func load() async {
-        isLoading = true
-        error = nil
-        do {
-            let data = try await APIClient.shared.homeData()
-            continueReading = data.continueReading.map {
-                ContinueReadingItem(book: $0.book, chapter: $0.chapter)
-            }
-            recentlyUpdated = data.recentlyUpdated
-            stats = data.stats
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-}

ios/LibNovel/LibNovel/ViewModels/LibraryViewModel.swift

@@ -1,21 +0,0 @@
-import Foundation
-
-@MainActor
-final class LibraryViewModel: ObservableObject {
-    @Published var items: [LibraryItem] = []
-    @Published var isLoading = false
-    @Published var error: String?
-
-    func load() async {
-        isLoading = true
-        error = nil
-        do {
-            items = try await APIClient.shared.library()
-        } catch {
-            if !(error is CancellationError) {
-                self.error = error.localizedDescription
-            }
-        }
-        isLoading = false
-    }
-}

ios/LibNovel/LibNovel/ViewModels/ProfileViewModel.swift

@@ -1,40 +0,0 @@
-import Foundation
-
-@MainActor
-final class ProfileViewModel: ObservableObject {
-    @Published var sessions: [UserSession] = []
-    @Published var voices: [String] = []
-    @Published var sessionsLoading = false
-    @Published var error: String?
-
-    func loadSessions() async {
-        sessionsLoading = true
-        do {
-            sessions = try await APIClient.shared.sessions()
-        } catch {
-            self.error = error.localizedDescription
-        }
-        sessionsLoading = false
-    }
-
-    func loadVoices() async {
-        guard voices.isEmpty else { return }
-        do {
-            voices = try await APIClient.shared.voices()
-        } catch {
-            // Use hardcoded fallback — same as Go server helpers.go
-            voices = ["af_bella", "af_sky", "af_sarah", "af_nicole",
-                      "am_adam", "am_michael", "bf_emma", "bf_isabella",
-                      "bm_george", "bm_lewis"]
-        }
-    }
-
-    func revokeSession(id: String) async {
-        do {
-            try await APIClient.shared.revokeSession(id: id)
-            sessions.removeAll { $0.id == id }
-        } catch {
-            self.error = error.localizedDescription
-        }
-    }
-}

ios/LibNovel/LibNovel/Views/Auth/AuthView.swift

@@ -1,123 +0,0 @@
-import SwiftUI
-
-struct AuthView: View {
-    @EnvironmentObject var authStore: AuthStore
-    @State private var mode: Mode = .login
-    @State private var username: String = ""
-    @State private var password: String = ""
-    @State private var confirmPassword: String = ""
-    @FocusState private var focusedField: Field?
-
-    enum Mode { case login, register }
-    enum Field { case username, password, confirmPassword }
-
-    var body: some View {
-        NavigationStack {
-            VStack(spacing: 0) {
-                // Logo / header
-                VStack(spacing: 8) {
-                    Image(systemName: "books.vertical.fill")
-                        .font(.system(size: 56))
-                        .foregroundStyle(.amber)
-                    Text("LibNovel")
-                        .font(.largeTitle.bold())
-                }
-                .padding(.top, 60)
-                .padding(.bottom, 40)
-
-                // Tab switcher
-                Picker("Mode", selection: $mode) {
-                    Text("Sign In").tag(Mode.login)
-                    Text("Create Account").tag(Mode.register)
-                }
-                .pickerStyle(.segmented)
-                .padding(.horizontal, 24)
-                .padding(.bottom, 32)
-
-                // Form
-                VStack(spacing: 16) {
-                    TextField("Username", text: $username)
-                        .textFieldStyle(.roundedBorder)
-                        .textInputAutocapitalization(.never)
-                        .autocorrectionDisabled()
-                        .focused($focusedField, equals: .username)
-                        .submitLabel(.next)
-                        .onSubmit { focusedField = .password }
-
-                    SecureField("Password", text: $password)
-                        .textFieldStyle(.roundedBorder)
-                        .focused($focusedField, equals: .password)
-                        .submitLabel(mode == .register ? .next : .go)
-                        .onSubmit {
-                            if mode == .register { focusedField = .confirmPassword }
-                            else { submit() }
-                        }
-
-                    if mode == .register {
-                        SecureField("Confirm Password", text: $confirmPassword)
-                            .textFieldStyle(.roundedBorder)
-                            .focused($focusedField, equals: .confirmPassword)
-                            .submitLabel(.go)
-                            .onSubmit { submit() }
-                            .transition(.opacity.combined(with: .move(edge: .top)))
-                    }
-                }
-                .padding(.horizontal, 24)
-                .animation(.easeInOut(duration: 0.2), value: mode)
-
-                if let error = authStore.error {
-                    Text(error)
-                        .font(.footnote)
-                        .foregroundStyle(.red)
-                        .multilineTextAlignment(.center)
-                        .padding(.horizontal, 24)
-                        .padding(.top, 8)
-                }
-
-                Button(action: submit) {
-                    Group {
-                        if authStore.isLoading {
-                            ProgressView()
-                                .progressViewStyle(.circular)
-                                .tint(.white)
-                        } else {
-                            Text(mode == .login ? "Sign In" : "Create Account")
-                                .fontWeight(.semibold)
-                        }
-                    }
-                    .frame(maxWidth: .infinity)
-                    .frame(height: 50)
-                }
-                .buttonStyle(.borderedProminent)
-                .tint(.amber)
-                .padding(.horizontal, 24)
-                .padding(.top, 24)
-                .disabled(authStore.isLoading || !formIsValid)
-
-                Spacer()
-            }
-            .toolbar(.hidden, for: .navigationBar)
-        }
-        .onChange(of: mode) { _, _ in
-            authStore.error = nil
-            confirmPassword = ""
-        }
-    }
-
-    private var formIsValid: Bool {
-        let base = !username.isEmpty && password.count >= 4
-        if mode == .register { return base && password == confirmPassword }
-        return base
-    }
-
-    private func submit() {
-        focusedField = nil
-        Task {
-            if mode == .login {
-                await authStore.login(username: username, password: password)
-            } else {
-                await authStore.register(username: username, password: password)
-            }
-        }
-    }
-}

ios/LibNovel/LibNovel/Views/BookDetail/BookDetailView.swift

@@ -1,390 +0,0 @@
-import SwiftUI
-import Kingfisher
-
-struct BookDetailView: View {
-    let slug: String
-    @StateObject private var vm: BookDetailViewModel
-    @EnvironmentObject var authStore: AuthStore
-    @EnvironmentObject var audioPlayer: AudioPlayerService
-    @State private var summaryExpanded = false
-    @State private var chapterPage = 0
-    private let pageSize = 50
-
-    init(slug: String) {
-        self.slug = slug
-        _vm = StateObject(wrappedValue: BookDetailViewModel(slug: slug))
-    }
-
-    var body: some View {
-        ZStack(alignment: .top) {
-            // Scroll content
-            ScrollView {
-                VStack(alignment: .leading, spacing: 0) {
-                    if vm.isLoading {
-                        ProgressView().frame(maxWidth: .infinity).padding(.top, 120)
-                    } else if let book = vm.book {
-                        heroSection(book: book)
-                        metaSection(book: book)
-                        Divider().padding(.horizontal)
-                        chapterSection(book: book)
-                        Divider().padding(.horizontal)
-                        CommentsView(slug: slug)
-                    }
-                }
-            }
-            .ignoresSafeArea(edges: .top)
-        }
-        .navigationBarTitleDisplayMode(.inline)
-        .toolbar { bookmarkButton }
-        .task { await vm.load() }
-        .errorAlert($vm.error)
-    }
-
-    // MARK: - Hero
-
-    @ViewBuilder
-    private func heroSection(book: Book) -> some View {
-        ZStack(alignment: .bottom) {
-            // Full-bleed blurred background
-            KFImage(URL(string: book.cover))
-                .resizable()
-                .scaledToFill()
-                .frame(maxWidth: .infinity)
-                .frame(height: 320)
-                .blur(radius: 24)
-                .clipped()
-                .overlay(
-                    LinearGradient(
-                        colors: [.black.opacity(0.15), .black.opacity(0.68)],
-                        startPoint: .top,
-                        endPoint: .bottom
-                    )
-                )
-
-            // Cover + info column centered
-            VStack(spacing: 16) {
-                // Isolated cover with 3D-style shadow
-                KFImage(URL(string: book.cover))
-                    .resizable()
-                    .placeholder {
-                        RoundedRectangle(cornerRadius: 12)
-                            .fill(Color(.systemGray5))
-                    }
-                    .scaledToFill()
-                    .frame(width: 130, height: 188)
-                    .clipShape(RoundedRectangle(cornerRadius: 12))
-                    .shadow(color: .black.opacity(0.55), radius: 18, x: 0, y: 10)
-                    .shadow(color: .black.opacity(0.3), radius: 6, x: 0, y: 3)
-
-                // Title + author
-                VStack(spacing: 6) {
-                    Text(book.title)
-                        .font(.title3.bold())
-                        .foregroundStyle(.white)
-                        .multilineTextAlignment(.center)
-                        .lineLimit(3)
-                        .padding(.horizontal, 32)
-
-                    Text(book.author)
-                        .font(.subheadline)
-                        .foregroundStyle(.white.opacity(0.75))
-                }
-
-                // Genre tags
-                if !book.genres.isEmpty {
-                    HStack(spacing: 8) {
-                        ForEach(book.genres.prefix(3), id: \.self) { genre in
-                            TagChip(label: genre).colorScheme(.dark)
-                        }
-                    }
-                }
-
-                // Status badge
-                if !book.status.isEmpty {
-                    StatusBadge(status: book.status)
-                }
-            }
-            .padding(.horizontal)
-            .padding(.bottom, 28)
-        }
-        .frame(minHeight: 320)
-    }
-
-    // MARK: - Meta section (summary + CTAs)
-
-    @ViewBuilder
-    private func metaSection(book: Book) -> some View {
-        VStack(alignment: .leading, spacing: 0) {
-            // Quick stats row
-            HStack(spacing: 0) {
-                MetaStat(value: "\(book.totalChapters)", label: "Chapters",
-                         icon: "doc.text")
-                Divider().frame(height: 36)
-                MetaStat(value: book.status.capitalized.isEmpty ? "—" : book.status.capitalized,
-                         label: "Status", icon: "flag")
-                if book.ranking > 0 {
-                    Divider().frame(height: 36)
-                    MetaStat(value: "#\(book.ranking)", label: "Rank",
-                             icon: "chart.bar.fill")
-                }
-            }
-            .padding(.vertical, 16)
-            .frame(maxWidth: .infinity)
-
-            Divider().padding(.horizontal)
-
-            // Summary
-            VStack(alignment: .leading, spacing: 8) {
-                Text("About")
-                    .font(.headline)
-
-                Text(book.summary)
-                    .font(.subheadline)
-                    .foregroundStyle(.secondary)
-                    .lineLimit(summaryExpanded ? nil : 4)
-                    .animation(.easeInOut(duration: 0.2), value: summaryExpanded)
-
-                if book.summary.count > 200 {
-                    Button(summaryExpanded ? "Less" : "More") {
-                        withAnimation { summaryExpanded.toggle() }
-                    }
-                    .font(.caption.bold())
-                    .foregroundStyle(.amber)
-                }
-            }
-            .padding(.horizontal)
-            .padding(.vertical, 16)
-
-            Divider().padding(.horizontal)
-
-            // CTA buttons
-            HStack(spacing: 10) {
-                if let last = vm.lastChapter, last > 0 {
-                    NavigationLink(value: NavDestination.chapter(slug, last)) {
-                        Label("Continue Ch.\(last)", systemImage: "play.fill")
-                            .frame(maxWidth: .infinity)
-                            .fontWeight(.semibold)
-                    }
-                    .buttonStyle(.borderedProminent)
-                    .tint(.amber)
-
-                    NavigationLink(value: NavDestination.chapter(slug, 1)) {
-                        Label("Ch.1", systemImage: "arrow.counterclockwise")
-                            .frame(maxWidth: .infinity)
-                    }
-                    .buttonStyle(.bordered)
-                    .tint(.secondary)
-                } else {
-                    NavigationLink(value: NavDestination.chapter(slug, 1)) {
-                        Label("Start Reading", systemImage: "book.fill")
-                            .frame(maxWidth: .infinity)
-                            .fontWeight(.semibold)
-                    }
-                    .buttonStyle(.borderedProminent)
-                    .tint(.amber)
-                }
-            }
-            .padding(.horizontal)
-            .padding(.vertical, 16)
-        }
-    }
-
-    // MARK: - Chapter list
-
-    @ViewBuilder
-    private func chapterSection(book: Book) -> some View {
-        let chapters = vm.chapters
-        let total = chapters.count
-        let start = chapterPage * pageSize
-        let end = min(start + pageSize, total)
-        let pageChapters = Array(chapters[start..<end])
-
-        VStack(alignment: .leading, spacing: 0) {
-            // Section header
-            HStack {
-                Text("Chapters")
-                    .font(.headline)
-                Spacer()
-                if total > 0 {
-                    Text("\(start + 1)–\(end) of \(total)")
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-                }
-            }
-            .padding(.horizontal)
-            .padding(.vertical, 14)
-
-            if vm.isLoading {
-                ProgressView().frame(maxWidth: .infinity).padding()
-            } else {
-                ForEach(pageChapters) { ch in
-                    NavigationLink(value: NavDestination.chapter(slug, ch.number)) {
-                        ChapterRow(chapter: ch, isCurrent: ch.number == vm.lastChapter,
-                                   totalChapters: total)
-                    }
-                    .buttonStyle(.plain)
-                    Divider().padding(.leading)
-                }
-            }
-
-            // Pagination bar
-            if total > pageSize {
-                HStack {
-                    Button {
-                        withAnimation { chapterPage -= 1 }
-                    } label: {
-                        Image(systemName: "chevron.left")
-                        Text("Previous")
-                    }
-                    .disabled(chapterPage == 0)
-
-                    Spacer()
-
-                    Text("Page \(chapterPage + 1) of \((total + pageSize - 1) / pageSize)")
-                        .font(.caption)
-                        .foregroundStyle(.secondary)
-
-                    Spacer()
-
-                    Button {
-                        withAnimation { chapterPage += 1 }
-                    } label: {
-                        Text("Next")
-                        Image(systemName: "chevron.right")
-                    }
-                    .disabled(end >= total)
-                }
-                .font(.subheadline)
-                .foregroundStyle(.amber)
-                .padding()
-            }
-
-            Color.clear.frame(height: 32)
-        }
-    }
-
-    // MARK: - Bookmark toolbar
-
-    @ToolbarContentBuilder
-    private var bookmarkButton: some ToolbarContent {
-        ToolbarItem(placement: .topBarTrailing) {
-            Button {
-                Task { await vm.toggleSaved() }
-            } label: {
-                Image(systemName: vm.saved ? "bookmark.fill" : "bookmark")
-                    .foregroundStyle(vm.saved ? .amber : .primary)
-            }
-        }
-    }
-}
-
-// MARK: - Chapter row
-
-private struct ChapterRow: View {
-    let chapter: ChapterIndex
-    let isCurrent: Bool
-    let totalChapters: Int
-
-    private var progressFraction: Double {
-        guard totalChapters > 1 else { return 0 }
-        return Double(chapter.number) / Double(totalChapters)
-    }
-
-    var body: some View {
-        HStack(spacing: 10) {
-            // Number badge
-            ZStack {
-                Circle()
-                    .fill(isCurrent ? Color.amber : Color(.systemGray6))
-                Text("\(chapter.number)")
-                    .font(.caption2.bold().monospacedDigit())
-                    .foregroundStyle(isCurrent ? .black : .secondary)
-            }
-            .frame(width: 32, height: 32)
-
-            VStack(alignment: .leading, spacing: 2) {
-                let displayTitle: String = {
-                    let stripped = chapter.title.strippingTrailingDate()
-                    if stripped.isEmpty || stripped == "Chapter \(chapter.number)" {
-                        return "Chapter \(chapter.number)"
-                    }
-                    return stripped
-                }()
-
-                Text(displayTitle)
-                    .font(.subheadline)
-                    .fontWeight(isCurrent ? .semibold : .regular)
-                    .foregroundStyle(isCurrent ? .amber : .primary)
-                    .lineLimit(1)
-            }
-
-            Spacer(minLength: 8)
-
-            VStack(alignment: .trailing, spacing: 2) {
-                if !chapter.dateLabel.isEmpty {
-                    Text(chapter.dateLabel)
-                        .font(.caption2)
-                        .foregroundStyle(.tertiary)
-                }
-            }
-
-            Image(systemName: "chevron.right")
-                .font(.caption2)
-                .foregroundStyle(.tertiary)
-        }
-        .padding(.horizontal, 16)
-        .padding(.vertical, 10)
-        .contentShape(Rectangle())
-    }
-}
-
-// MARK: - Supporting components
-
-private struct MetaStat: View {
-    let value: String
-    let label: String
-    let icon: String
-
-    var body: some View {
-        VStack(spacing: 4) {
-            Image(systemName: icon)
-                .font(.caption)
-                .foregroundStyle(.amber)
-            Text(value)
-                .font(.subheadline.bold())
-                .lineLimit(1)
-                .minimumScaleFactor(0.7)
-            Text(label)
-                .font(.caption2)
-                .foregroundStyle(.secondary)
-        }
-        .frame(maxWidth: .infinity)
-    }
-}
-
-private struct StatusBadge: View {
-    let status: String
-
-    private var color: Color {
-        switch status.lowercased() {
-        case "ongoing", "active": return .green
-        case "completed": return .blue
-        case "hiatus": return .orange
-        default: return .secondary
-        }
-    }
-
-    var body: some View {
-        HStack(spacing: 4) {
-            Circle()
-                .fill(color)
-                .frame(width: 6, height: 6)
-            Text(status.capitalized)
-                .font(.caption.weight(.medium))
-                .foregroundStyle(color)
-        }
-        .padding(.horizontal, 10)
-        .padding(.vertical, 4)
-        .background(color.opacity(0.12), in: Capsule())
-    }
-}