refactor(bruno): reorganize file structure from bruno-yaml to flat bruno directory

- Move all files from bruno-yaml/* to bruno/*
- Maintains existing directory structure within categories
- Updates bruno/user/auth files with OAuth2 refresh token flow
- Updates bruno/user/profile files for user profile management
- Adds bruno/dashboard/ directory with dashboard API tests
- Preserves all existing test scenarios and OpenCollection YAML format
- No functional changes - file reorganization only

bruno/devices/kobo/Get Kobo Library.yml

@@ -0,0 +1,81 @@
+info:
+  name: Get Kobo Library
+  type: http
+  seq: 6
+
+http:
+  method: GET
+  url: '{{base_url}}/api/sync/kobo/library'
+  auth: inherit
+
+docs: |-
+  ## Get Kobo Library
+
+  Retrieves the user's Kobo library metadata for device sync.
+
+  **Method:** GET
+
+  **Endpoint:** /api/sync/kobo/library
+
+  **Authentication:** Bearer token
+
+  **Query Parameters:**
+  None (returns entire library)
+
+  **Response:**
+  - `books` (array): Library items
+    - `ContentId` (string): Unique book identifier
+    - `Title` (string): Book title
+    - `Author` (string): Author name
+    - `Publisher` (string): Publisher name
+    - `Description` (string): Book description
+    - `ISBN` (string, optional): ISBN-13
+    - `PublicationDate` (string): Release date
+    - `EntitlementId` (string): Kobo entitlement ID
+    - `CrossRevisionId` (string): Revision identifier
+    - `MimeType` (string): Content type (application/epub+zip)
+    - `FileSize` (integer): File size in bytes
+    - `CoverImageId` (string): Cover image identifier
+    - `DownloadUrls` (object): Download URLs
+      - `download_url` (string): Direct download link
+      - `download_acquisition_url` (string): OPDS acquisition URL
+  - `sync_metadata` (object):
+    - `last_sync` (string): Last library sync timestamp
+    - `total_books` (integer): Total book count
+    - `has_updates` (boolean): Whether updates are available
+
+  **Status Codes:**
+  - 200: Success
+  - 401: Unauthorized
+  - 403: Device not approved
+
+  **Library Sync Purpose:**
+  - Kobo device needs to know available books
+  - Enables download via device browser
+  - Provides metadata for device display
+  - Supports Kobo's "My Books" feature
+  - Enables on-device purchasing integration
+
+  **Kobo Device Usage:**
+  - Device fetches library on registration
+  - Refreshed daily or on manual sync
+  - User can browse library on device
+  - Books downloaded wirelessly to device
+  - Supports "Buy on Kobo, read on device" workflow
+
+  **Authentication Methods:**
+  This endpoint uses **Bearer token authentication** (token in Authorization header).
+  Alternative: Use `/sync/kobo/{token}/library` with token in URL path.
+
+  **Performance:**
+  - Typical response: 50-200KB for 100 books
+  - Processing time: 200-800ms
+  - Cache duration: 5 minutes
+  - Pagination available for large libraries (>500 books)
+
+  **Use Cases:**
+  - Initial device registration
+  - Library refresh on device
+  - Book discovery on device
+  - Download link generation
+  - Metadata sync for OPDS