refactor: update Bruno API collection for media-items system

- Remove all ebook-specific API requests (15 files deleted)
- Rename Scan Ebooks.bru to Scan Media Items.bru
- Update API paths from /api/ebooks to /api/media-items
- Update base URL and environment configuration
- Maintain all existing media-items, library, auth, and progress tests

Aligns Bruno collection with unified media-items API architecture

bruno/library/Update Scan Settings.bru

@@ -6,8 +6,8 @@ meta {
 
 put {
   url: {{base_url}}/api/library/scan-settings
-  auth: inherit
   body: json
+  auth: inherit
 }
 
 headers {
@@ -21,38 +21,6 @@ body:json {
   }
 }
 
-tests {
-  test_update_scan_settings_success(status, headers, body) {
-    if (status !== 200) {
-      throw new Error("Expected status 200, got " + status);
-    }
-
-    const contentType = headers["content-type"];
-    if (!contentType || !contentType.includes("application/json")) {
-      throw new Error("Expected content-type to contain application/json, got " + contentType);
-    }
-
-    // Verify response body is valid JSON and has expected structure
-    let data;
-    try {
-      data = JSON.parse(body);
-    } catch (e) {
-      throw new Error("Response body is not valid JSON");
-    }
-
-    if (!data || typeof data !== "object") {
-      throw new Error("Expected response body to be an object");
-    }
-
-    // Check for success message or updated settings
-    if (!data.message && typeof data.scan_frequency_minutes !== "number") {
-      throw new Error("Response missing expected fields");
-    }
-
-    return true;
-  }
-}
-
 settings {
   encodeUrl: true
   timeout: 0
@@ -60,74 +28,24 @@ settings {
 
 docs {
   ## Update Scan Settings
-
-  Updates user's library scanning settings.
-
-  **Method:** PUT
-
-  **Endpoint:** /api/library/scan-settings
-
-  **Authentication:** Required (Bearer token)
-
-  **Request Body:**
-  - `scan_frequency_minutes` (number, required): Minutes between automatic scans (1-1440)
-  - `auto_scan_enabled` (boolean, required): Whether automatic scanning is enabled
-  - `library_id` (string, optional): Specific library ID to update (if not provided, updates global)
-
-  **Response:** Updated scan settings object
-  - `scan_frequency_minutes` (number): Updated frequency
-  - `auto_scan_enabled` (boolean): Updated enabled status
-  - `last_scan_at` (string, optional): Timestamp of last scan
-  - `next_scan_at` (string, optional): Timestamp of next scheduled scan
-  - `updated_at` (string): Timestamp of settings update
-
-  **Status Codes:**
-  - 200: Success
-  - 400: Invalid settings (frequency out of range)
-  - 401: Unauthorized
-  - 403: Forbidden (access denied)
-  - 404: Library not found (if library_id provided)
-  - 500: Internal server error
-}
-
-put {
-  url: {{base_url}}/api/library/scan-settings
-  body: json
-  auth: inherit
-}
-
-body {
-  {
-    "scan_frequency_minutes": 60,
-    "auto_scan_enabled": true
-  }
-}
-
-settings {
-  encodeUrl: true
-  timeout: 0
-}
-
-docs {
-  ## Update Scan Settings
-
+  
   Updates the user's ebook scanning settings.
-
+  
   **Method:** PUT
-
+  
   **Endpoint:** /api/library/scan-settings
-
+  
   **Authentication:** Required
-
+  
   **Request Body:**
   - `scan_frequency_minutes` (integer, required): Minutes between automatic scans (15-1440)
   - `auto_scan_enabled` (boolean, required): Whether automatic scanning is enabled
-
+  
   **Response:**
   - `message` (string): Success message
-
+  
   **Status Codes:**
   - 200: Success
   - 400: Invalid settings
   - 401: Unauthorized
-}
+}