feat: create Bruno requests for library system API

- Add library management requests (CRUD operations)
- Create media items API requests for library content
- Implement library visibility controls
- Add user library access management
- Update deprecated ebook folder endpoints with migration guide
- Include comprehensive documentation and test cases
- Replace collection.bru with proper dashboard request

Complete Bruno collection supporting new multi-library architecture

bruno/admin/Add Ebook Folder.bru

@@ -22,35 +22,29 @@ settings {
 }
 
 docs {
-  ## Add Ebook Folder
+  ## Add Ebook Folder - DEPRECATED
   
-  Adds a new ebook folder for the authenticated user.
+  ⚠️ **This endpoint is deprecated and will return HTTP 410 Gone.**
   
-  **Method:** POST
+  **Use new library system instead:**
+  1. Create a library: `POST /api/libraries` with type "ebooks"
+  2. Add folder to library: `POST /api/libraries/{id}/folders`
+  3. Manage library visibility: `POST /api/libraries/visibility`
   
-  **Endpoint:** /api/auth/ebook-folders
+  **Migration Example:**
+  Old: POST `/api/auth/ebook-folders` with `{ "folder_path": "/path/to/books" }`
+  New: POST `/api/libraries` with `{ "name": "My Books", "type": "ebooks" }`
+        Then POST `/api/libraries/{library-id}/folders` with `{ "folder_path": "/path/to/books" }`
   
-  **Authentication:** Required (Admin only)
-  
-  **Request Body:** JSON object with:
-  - `folder_path` (string, required): Path to the ebook folder
-  
-  **Response:** Folder object with:
-  - `id` (string): Folder ID (UUID)
-  - `user_id` (string): User ID (UUID)
-  - `folder_path` (string): Normalized folder path
-  - `created_at` (string): Creation timestamp (ISO 8601)
+  **Response:** HTTP 410 Gone with deprecation message
   
   **Status Codes:**
-  - 201: Folder created successfully
-  - 400: Bad request (invalid folder path)
+  - 410: Gone (endpoint deprecated)
   - 401: Unauthorized
   - 403: Forbidden (admin access required)
-  - 500: Internal server error
   
-  **Features:**
-  - Admin-only endpoint for adding ebook folders
-  - Path normalization for consistent storage
-  - Supports both absolute paths and home directory (~) paths
-  - Prevents duplicate folders for the same user
+  **Replacement Endpoints:**
+  - `POST /api/libraries` - Create new library
+  - `POST /api/libraries/{id}/folders` - Add folder to library
+  - `GET /api/libraries` - List all libraries (admin)
 }