e088bc056e
- Add ImportTask/ImportResult types to domain.go - Add TypeImportBook to asynqqueue for task routing - Add CreateImportTask to producer and storage layers - Add ClaimNextImportTask/FinishImportTask to Consumer interfaces - Add import task handling to runner (polling + Asynq handler) - Add BookImporter interface to bookstore for PDF/EPUB parsing - Add backend API endpoints: POST/GET /api/admin/import - Add SvelteKit UI at /admin/import with task list - Add nav link in admin layout Note: PDF/EPUB parsing is a placeholder - needs external library integration.