docs: "## KOReader Sync Progress - SHA-256\n\n  Synchronizes reading progress from a KOReader device using SHA-256 book hash for identification.\n\n  **Method:** POST\n\n  **Endpoint:** /api/v1/koreader/sync/progress\n\n  **Authentication:** Bearer token (KOReader device token)\n\n  **Request Body:**\n  - `sync_mode` (string): Sync mode (immediate, deferred)\n  - `books` (array): Array of book progress objects\n    - `uuid` (string): Book UUID\n    - `sha256` (string): SHA-256 hash of book file for identification\n    - `file_path` (string): Path to book file on device\n    - `percentage` (number): Progress percentage (0-1)\n    - `chapter` (number): Current chapter\n    - `page` (number): Current page\n    - `total_pages` (number): Total pages\n    - `epubcfi` (string): EPUB location\n    - `last_read` (string): ISO 8601 timestamp\n    - `title` (string): Book title\n    - `authors` (array): List of authors\n\n  **Response:**\n  - `sync_status` (string): Sync status\n  - `books_synced`\
  \ (number): Number of books synced\n\n  **Status Codes:**\n  - 200: Success\n  - 202: Accepted - processing\n  - 401: Unauthorized\n  - 500: Internal server error"
http:
  body:
    type: json
    data: "{\n  \"sync_mode\": \"immediate\",\n  \"books\": [\n    {\n      \"sha256\": \"{{book_sha256}}\",\n      \"percentage\": 0.5\n    }\n  ]\n}"
  headers: []
  method: POST
  url: '{{base_url}}/api/sync/koreader/progress'
  auth:
    type: bearer
    token: '{{koreader_device_token}}'
info:
  name: KOReader Sync Progress - SHA-256
  seq: 1
  type: http