info: name: Add Books to Collection type: http seq: 6 http: method: POST url: '{{base_url}}/api/collections/{{collection_id}}/books' auth: inherit body: type: json jsonBody: "{\n \"book_ids\": [\n \"{{book_id_1}}" docs: |- ## Add Books to Collection Adds multiple books to an existing collection. **Method:** POST **Endpoint:** /api/collections/{collection_id}/books **Authentication:** Required (Bearer token) **Path Parameters:** - `collection_id` (string): Collection ID **Request Body:** - `book_ids` (array of strings, required): List of book IDs to add **Response:** - `message` (string): Success message - `added_count` (integer): Number of books added **Status Codes:** - 200: Success - 400: Invalid request - 401: Unauthorized - 404: Collection not found