test(bruno): update API tests for /api/media-items/ endpoints

- Update bulk-delete test: endpoint URL, request field (book_ids → media_item_ids), response field (success → deleted), documentation
- Update bulk-update test: endpoint URL, request structure (updates → media_item_updates), response field (success → updated), documentation
- Update download test: endpoint URL (/api/books/ → /api/media-items/), documentation

bruno/books/Bulk Update Books.bru

@@ -1,11 +1,11 @@
 meta {
-  name: Bulk Update Books
+  name: Bulk Update Media Items
   type: http
   seq: 2
 }
 
 post {
-  url: {{base_url}}/api/books/bulk-update
+  url: {{base_url}}/api/media-items/bulk-update
   body: json
   auth: inherit
 }
@@ -16,9 +16,9 @@ headers {
 
 body:json {
   {
-    "updates": [
+    "media_item_updates": [
       {
-        "book_id": "{{bookId1}}",
+        "media_item_id": "{{bookId1}}",
         "updates": {
           "title": "Updated Title",
           "genre": "Science Fiction",
@@ -26,7 +26,7 @@ body:json {
         }
       },
       {
-        "book_id": "{{bookId2}}",
+        "media_item_id": "{{bookId2}}",
         "updates": {
           "author": "Updated Author",
           "contributors": ["O'Reilly Media", "Penguin Random House"]
@@ -43,7 +43,7 @@ script:post-response {
       const body = res.getBody();
       tests['Has results array'] = Array.isArray(body.results);
       tests['Has total count'] = body.total !== undefined;
-      tests['Has success count'] = body.success !== undefined;
+      tests['Has updated count'] = body.updated !== undefined;
     } else {
       tests['Bulk update failed'] = false;
     }
@@ -57,25 +57,25 @@ settings {
 }
 
 docs {
-  ## Bulk Update Books
+  ## Bulk Update Media Items
 
-  Updates multiple books in a single request with different fields for each book.
+  Updates multiple media items in a single request with different fields for each item.
 
   **Method:** POST
 
-  **Endpoint:** /api/books/bulk-update
+  **Endpoint:** /api/media-items/bulk-update
 
   **Authentication:** Required (Bearer token)
 
   **Request Body:**
-  - `updates` (array): Array of update objects
-    - `book_id` (string): Book UUID to update
+  - `media_item_updates` (array): Array of update objects
+    - `media_item_id` (string): Media item UUID to update
     - `updates` (object): Fields to update (can include title, author, genre, tags, contributors, etc.)
 
   **Response:**
   - `results` (array): Results for each update attempt
-  - `total` (number): Total number of books processed
-  - `success` (number): Number of successfully updated books
+  - `total` (number): Total number of media items processed
+  - `updated` (number): Number of successfully updated media items
   - `failed` (number): Number of failed updates
 
   **Status Codes:**
@@ -88,9 +88,9 @@ docs {
   **Example:**
   ```json
   {
-    "updates": [
+    "media_item_updates": [
       {
-        "book_id": "uuid-1",
+        "media_item_id": "uuid-1",
         "updates": {
           "title": "New Title",
           "genre": "Fiction",
@@ -98,7 +98,7 @@ docs {
         }
       },
       {
-        "book_id": "uuid-2",
+        "media_item_id": "uuid-2",
         "updates": {
           "author": "Jane Doe",
           "contributors": ["Publisher Inc."]
@@ -108,5 +108,5 @@ docs {
   }
   ```
 
-  **Note:** Each book can have different fields updated. Only the specified fields are modified for each book.
+  **Note:** Each media item can have different fields updated. Only the specified fields are modified for each item.
 }