Chapter nav: hide Prev/Next when at boundary, remove date from header

scraper/internal/server/ui.go

@@ -1407,8 +1407,6 @@ const chapterTmpl = `
        onmouseover="this.style.color='#f4f4f5'" onmouseout="this.style.color='#a1a1aa'">
       ← Prev
     </a>
-    {{else}}
-    <span style="flex-shrink:0;padding:0.375rem 0.625rem;border-radius:0.5rem;color:#3f3f46;font-size:0.8125rem;cursor:default;" aria-hidden="true">&#8592; Prev</span>
     {{end}}
 
     <!-- Chapter title button — opens chapter list drawer -->
@@ -1417,10 +1415,7 @@ const chapterTmpl = `
             title="Jump to chapter"
             aria-label="Jump to chapter"
             style="flex:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:0.375rem;overflow:hidden;background:transparent;border:none;cursor:pointer;padding:0.25rem 0.25rem;">
-      <span style="min-width:0;display:flex;flex-direction:column;align-items:center;overflow:hidden;">
-        <span style="overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:0.8125rem;color:#a1a1aa;max-width:100%;">{{.Title}}</span>
-        {{if .ChapterDate}}<span style="font-size:0.6875rem;color:#52525b;white-space:nowrap;">{{.ChapterDate}}</span>{{end}}
-      </span>
+      <span style="overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:0.8125rem;color:#a1a1aa;max-width:100%;">{{.Title}}</span>
       <span style="flex-shrink:0;font-size:0.625rem;color:#52525b;" aria-hidden="true">&#9660;</span>
     </button>
 
@@ -1437,8 +1432,6 @@ const chapterTmpl = `
        onmouseover="this.style.color='#f4f4f5'" onmouseout="this.style.color='#a1a1aa'">
       Next &#8594;
     </a>
-    {{else}}
-    <span style="flex-shrink:0;padding:0.375rem 0.625rem;border-radius:0.5rem;color:#3f3f46;font-size:0.8125rem;cursor:default;" aria-hidden="true">Next &#8594;</span>
     {{end}}
 
     <!-- TTS play/pause button -->