docs: "## Sync KOReader Bookmarks\n\nSynchronizes bookmarks separately from progress for KOReader.\n\n**Method:** POST\n\n**Endpoint:** /api/sync/koreader/bookmarks\n\n**Authentication:** Bearer token\n\n**Request Body:**\n- `library_id` (string, optional): Library UUID\n- `books` (array): Books with bookmarks\n  - `uuid` (string): Book UUID\n  - `bookmarks` (array): Bookmark items\n    - `chapter` (integer): Chapter number\n    - `datetime` (string): ISO 8601 timestamp\n    - `notes` (string): Bookmark description\n    - `pos0` (string): EPUB CFI start position\n    - `pos1` (string): EPUB CFI end position\n    - `page` (integer): Page number\n    - `text` (string): Displayed text\n    - `type` (string): `bookmark`, `highlight`, or `note`\n\n**Response:**\n- `synced` (integer): Number of bookmarks synced\n- `duplicates_skipped` (integer): Duplicate bookmarks skipped\n- `results` (array): Per-bookmark results\n- `timestamp` (string): Sync timestamp\n\n**Status Codes:**\n- 200: Success\n\
  - 401: Unauthorized\n- 400: Invalid data\n\n**Dedicated Bookmark Endpoint:**\n- **Purpose**: Sync bookmarks independently\n- **Use case**: More frequent bookmark updates\n- **Advantage**: Separate from progress sync\n- **Efficiency**: Smaller payloads\n\n**KOReader Bookmark Features:**\n- Chapter-based organization\n- Quick navigation markers\n- Hierarchical bookmarks (via plugins)\n- Custom bookmark titles\n- Date/time tracking\n- EPUB CFI precision\n\n**Bookmark Types in KOReader:**\n- **Location bookmarks**: Quick navigation points\n- **Chapter marks**: Auto-generated chapter markers\n- **Progress bookmarks**: Last read positions\n- **Custom bookmarks**: User-created markers\n- **Search bookmarks**: Saved search results\n\n**Sync Behavior:**\n- Duplicate detection by position + text\n- Most recent wins on conflicts\n- Chapter order preserved\n- Auto-generated vs manual bookmarks differentiated\n- Merge with existing bookmarks\n\n**KOReader Device Integration:**\n- Created via \"Add\
  \ bookmark\" menu\n- Shown in \"Bookmarks\" panel\n- Quick access via \"Go to bookmark\"\n- Exportable to JSON\n- Can be edited/deleted\n\n**Use Cases:**\n- Quick navigation aids\n- Chapter markers\n- Important passages\n- Reading progress points\n- Study session markers"
http:
  body:
    type: json
    data: "{\n  \"book_uuid\": \"{{media_item_id}}\",\n  \"bookmarks\": [\n    {\n      \"chapter\": 3,\n      \"datetime\": \"2026-01-30T19:55:00Z\",\n      \"page\": 45,\n      \"pos0\": \"epubcfi(/6/4/2:15)\",\n      \"pos1\": \"epubcfi(/6/4/2:20)\",\n      \"text\": \"Important passage\",\n      \"type\": \"bookmark\"\n    }\n  ]\n}"
  headers:
  - key: Content-Type
    value: application/json
  method: POST
  url: '{{base_url}}/api/sync/koreader/bookmarks'
  auth:
    type: bearer
    token: '{{koreader_device_token}}'
info:
  name: Sync Bookmarks
  seq: 5
  type: http