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/koreader/scenarios/Sync Progress.yml

@@ -0,0 +1,53 @@
+info:
+  name: KOReader Sync Progress
+  type: http
+  seq: 1
+http:
+  method: POST
+  url: '{{base_url}}/api/sync/koreader/progress'
+  auth: inherit
+  body:
+    type: json
+    jsonBody: "{\n    \"library_id\": null,\n    \"books\": [\n      {\n        \"\
+      uuid\": \"{{book_uuid"
+  headers:
+  - key: Authorization
+    value: Bearer {{device_token
+
+docs: |-
+  ## KOReader Sync Progress
+  
+    Synchronizes reading progress from a KOReader device to the Bookhoard server.
+  
+    **Method:** POST
+  
+    **Endpoint:** /api/sync/koreader/progress
+  
+    **Authentication:** Bearer token (device token)
+  
+    **Request Body:**
+    - `library_id` (string, optional): Library UUID
+    - `books` (array): Array of book progress objects
+      - `uuid` (string): Book UUID
+      - `title` (string): Book title
+      - `authors` (array): List of authors
+      - `progress` (number): Progress value
+      - `percentage` (number): Percentage complete (0-1)
+      - `last_read` (string): ISO 8601 timestamp
+      - `chapter` (number): Current chapter
+      - `epubcfi` (string): EPUB Canonical Fragment Identifier
+      - `page` (number): Current page
+      - `total_pages` (number): Total pages
+    - `sync_mode` (string): Sync mode (immediate, deferred)
+    - `device_info` (object): Device information
+      - `koreader_version` (string): KOReader version
+      - `device_model` (string): Device model identifier
+  
+    **Response:**
+    - `sync_status` (string): Sync status (accepted, processing)
+    - `books_synced` (number): Number of books synced
+  
+    **Status Codes:**
+    - 202: Accepted - sync queued
+    - 401: Unauthorized
+    - 500: Internal server error