docs: add Carousel dashboard implementation plan

bruno-yaml/system/get-scan-settings.yml

@@ -0,0 +1,19 @@
+info:
+  name: Get System Scan Settings
+  type: http
+  seq: 1
+http:
+  method: GET
+  url: '{{base_url}}/api/libraries/scan-settings'
+  auth: inherit
+  headers:
+  - key: Content-Type
+    value: application/json
+
+docs: |-
+  ## Get System Scan Settings
+  
+    Retrieves current system-wide scan settings for all libraries.
+  
+    **Authentication**: Admin token required
+    **Response**: Current scan frequency and auto-scan status

bruno-yaml/system/update-scan-settings.yml

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+info:
+  name: Update System Scan Settings
+  type: http
+  seq: 2
+http:
+  method: PUT
+  url: '{{base_url}}/api/libraries/scan-settings'
+  auth: inherit
+  body:
+    type: json
+    json:
+      scan_frequency_minutes: 30
+      auto_scan_enabled: true
+  headers:
+  - key: Content-Type
+    value: application/json
+
+docs: |-
+  ## Update System Scan Settings
+  
+    Updates system-wide scan settings that apply to all libraries.
+  
+    **Authentication**: Admin token required
+    **Request**: Scan frequency (15-1440 minutes) and enabled status
+    **Response**: Success message