media viewer consistency

src/app/api/browse/route.ts

@@ -33,18 +33,37 @@ export async function GET(request: NextRequest) {
     ? scanDirectoryRecursive(root, libraryId, subpath)
     : scanDirectory(root, libraryId, subpath)
 
-  // Annotate image entries with whether they have extracted text
+  // Annotate image files with hasExtractedText, and directories if any descendant has extracted text
   const db = getDb()
   const rows = db
     .prepare('SELECT item_key FROM media_items WHERE library_id = ? AND extracted_text IS NOT NULL')
     .all(libraryId) as { item_key: string }[]
   const withText = new Set(rows.map((r) => r.item_key))
 
+  // Build a set of all ancestor directory relative paths that contain at least one item with text
+  // e.g. item_key "lib:mixed_file:manga%2Fch1%2Fp1.jpg" → ancestors "manga", "manga/ch1"
+  const dirsWithText = new Set<string>()
+  const keyPrefix = `${libraryId}:mixed_file:`
+  for (const key of withText) {
+    const decoded = decodeURIComponent(key.slice(keyPrefix.length))
+    const parts = decoded.split('/')
+    for (let i = 1; i < parts.length; i++) {
+      dirsWithText.add(parts.slice(0, i).join('/'))
+    }
+  }
+
   listing.entries = listing.entries.map((e) => {
-    if (e.type !== 'file' || e.mediaType !== 'image') return e
-    const relPath = subpath ? path.join(subpath, e.name) : e.name
-    const itemKey = `${libraryId}:mixed_file:${encodeURIComponent(relPath)}`
-    return { ...e, hasExtractedText: withText.has(itemKey) }
+    if (e.type === 'file') {
+      if (e.mediaType !== 'image') return e
+      const relPath = subpath ? path.join(subpath, e.name) : e.name
+      const itemKey = `${libraryId}:mixed_file:${encodeURIComponent(relPath)}`
+      return { ...e, hasExtractedText: withText.has(itemKey) }
+    }
+    if (e.type === 'directory') {
+      const dirRel = subpath ? `${subpath}/${e.name}` : e.name
+      if (dirsWithText.has(dirRel)) return { ...e, hasExtractedText: true }
+    }
+    return e
   })
 
   return NextResponse.json(listing)