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/media-items/Filter Media Items.bru

@@ -6,6 +6,7 @@ meta {
 
 get {
   url: {{base_url}}/api/media-items/filtered?library_id={{library_id}}&genre_filter=Fiction&language_filter=en&year_min=2000&year_max=2024&limit=10&offset=0
+  body: none
   auth: inherit
 }
 
@@ -13,69 +14,6 @@ headers {
   Content-Type: application/json
 }
 
-tests {
-  test_filter_media_items(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);
-    }
-
-    let data;
-    try {
-      const parsed = JSON.parse(body);
-      data = parsed.data;
-    } catch (e) {
-      throw new Error("Response body is not valid JSON: " + e.message);
-    }
-
-    if (!Array.isArray(data)) {
-      throw new Error("Expected response data to be an array");
-    }
-
-    // Verify filters are applied
-    data.forEach((item, index) => {
-      if (!item || typeof item !== "object") {
-        throw new Error("Media item at index " + index + " is not an object");
-      }
-
-      if (!item.id) {
-        throw new Error("Media item at index " + index + " missing required field: id");
-      }
-
-      if (!item.title) {
-        throw new Error("Media item at index " + index + " missing required field: title");
-      }
-
-      if (!item.library_id) {
-        throw new Error("Media item at index " + index + " missing required field: library_id");
-      }
-
-      // Check genre filter if genre is specified
-      if (item.genre && item.genre !== 'Fiction') {
-        throw new Error("Item at index " + index + " has incorrect genre: " + item.genre);
-      }
-
-      // Check language filter if language is specified
-      if (item.language && item.language !== 'en') {
-        throw new Error("Item at index " + index + " has incorrect language: " + item.language);
-      }
-
-      // Check year range if specified
-      if (item.copyright_year) {
-        if (item.copyright_year < 2000 || item.copyright_year > 2024) {
-          throw new Error("Item at index " + index + " has copyright_year outside range: " + item.copyright_year);
-        }
-      }
-    });
-
-    return true;
-  }
-}
-
 vars:pre-request {
   genre: "Fiction"
   language: "en"
@@ -90,13 +28,13 @@ settings {
 
 docs {
   ## Filter Media Items
-
+  
   **Method:** GET
-
+  
   **Endpoint:** /api/media-items/filtered
-
+  
   **Authentication:** Required (Bearer token)
-
+  
   **Query Parameters:**
   - `library_id` (string, required): UUID of the library
   - `author_filter` (string, optional): Filter by author (partial match)
@@ -109,22 +47,22 @@ docs {
   - `sort` (string, optional): Sort field and direction (same options as ListMediaItems)
   - `limit` (integer, optional): Number of items to return (default: 50, max: 1000)
   - `offset` (integer, optional): Number of items to skip (default: 0)
-
+  
   **Response:** Object containing array of filtered media items
-
+  
   **Status Codes:**
   - 200: Success
   - 400: Bad request (invalid parameters)
   - 401: Unauthorized
   - 500: Internal server error
-
+  
   **Examples:**
   - Filter by genre: `/api/media-items/filtered?library_id=xxx&genre_filter=Fiction`
   - Filter by language: `/api/media-items/filtered?library_id=xxx&language_filter=es`
   - Filter by year range: `/api/media-items/filtered?library_id=xxx&year_min=2000&year_max=2024`
   - Filter by cover: `/api/media-items/filtered?library_id=xxx&has_cover=true`
   - Combine filters: `/api/media-items/filtered?library_id=xxx&genre_filter=Sci-Fi&year_min=2010&language_filter=en`
-
+  
   **Filter Behavior:**
   - Multiple filters can be combined (AND logic)
   - Author and series filters use partial matching (ILIKE)