Initial commit: COPILOT D6 Flutter keyboard controller

Flutter web app replacing legacy WPF CCTV surveillance keyboard controller.
Includes wall overview, section view with monitor grid, camera input,
PTZ control, alarm/lock/sequence BLoCs, and legacy-matching UI styling.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test-gcore.http

@@ -0,0 +1,200 @@
+### G-Core Bridge Test Suite
+### Use with VS Code REST Client extension or similar
+
+@baseUrl = http://localhost:7721
+
+### Health Check
+GET {{baseUrl}}/health
+
+### Root (service info)
+GET {{baseUrl}}/
+
+### Status (before connect)
+GET {{baseUrl}}/status
+
+### Connect to G-Core Server
+POST {{baseUrl}}/connect
+Content-Type: application/json
+
+{
+  "Address": "192.168.1.20",
+  "Username": "operator",
+  "Password": "password"
+}
+
+### Status (after connect)
+GET {{baseUrl}}/status
+
+### Get Media Channels
+GET {{baseUrl}}/channels
+
+### Get Monitor States (tracked from events)
+GET {{baseUrl}}/monitors
+
+### Get Specific Monitor State
+GET {{baseUrl}}/monitors/17
+
+### Get Active Alarms (tracked from events)
+GET {{baseUrl}}/alarms/active
+
+### Get All Alarms (including stopped)
+GET {{baseUrl}}/alarms
+
+### ViewerConnectLive - Switch Camera 101 to Monitor 17
+POST {{baseUrl}}/viewer/connect-live
+Content-Type: application/json
+
+{
+  "Viewer": 17,
+  "Channel": 101
+}
+
+### CrossSwitch (compatibility endpoint)
+POST {{baseUrl}}/crossswitch
+Content-Type: application/json
+
+{
+  "VideoInput": 102,
+  "VideoOutput": 18,
+  "SwitchMode": 0
+}
+
+### ViewerClear - Clear Monitor 17
+POST {{baseUrl}}/viewer/clear
+Content-Type: application/json
+
+{
+  "Viewer": 17
+}
+
+### PTZ Pan Right
+POST {{baseUrl}}/camera/pan
+Content-Type: application/json
+
+{
+  "Camera": 101,
+  "Direction": "right",
+  "Speed": 50
+}
+
+### PTZ Pan Stop
+POST {{baseUrl}}/camera/pan-stop
+Content-Type: application/json
+
+{
+  "Camera": 101
+}
+
+### PTZ Tilt Down
+POST {{baseUrl}}/camera/tilt
+Content-Type: application/json
+
+{
+  "Camera": 101,
+  "Direction": "down",
+  "Speed": 30
+}
+
+### PTZ Zoom Out
+POST {{baseUrl}}/camera/zoom
+Content-Type: application/json
+
+{
+  "Camera": 101,
+  "Direction": "out",
+  "Speed": 50
+}
+
+### PTZ Stop All
+POST {{baseUrl}}/camera/stop
+Content-Type: application/json
+
+{
+  "Camera": 101
+}
+
+### PTZ Go to Preset
+POST {{baseUrl}}/camera/preset
+Content-Type: application/json
+
+{
+  "Camera": 101,
+  "Preset": 2
+}
+
+### Playback - Set Play Mode (Step Forward)
+POST {{baseUrl}}/viewer/set-play-mode
+Content-Type: application/json
+
+{
+  "Viewer": 17,
+  "PlayMode": "step forward",
+  "PlaySpeed": 1.0
+}
+
+### Playback - Jump to Time
+POST {{baseUrl}}/viewer/play-from-time
+Content-Type: application/json
+
+{
+  "Viewer": 17,
+  "Channel": 101,
+  "PlayMode": "play forward",
+  "Time": "2026/02/03 09:00:00,000 GMT+01:00"
+}
+
+### Playback - Jump Forward 30 Seconds
+POST {{baseUrl}}/viewer/jump-by-time
+Content-Type: application/json
+
+{
+  "Viewer": 17,
+  "Channel": 101,
+  "PlayMode": "play forward",
+  "TimeInSec": 30
+}
+
+### Digital Output - Close Contact
+POST {{baseUrl}}/digital-io/close
+Content-Type: application/json
+
+{
+  "ContactId": 100
+}
+
+### Digital Output - Open Contact
+POST {{baseUrl}}/digital-io/open
+Content-Type: application/json
+
+{
+  "ContactId": 100
+}
+
+### Get Message Log
+GET {{baseUrl}}/messages
+
+### Clear Message Log
+POST {{baseUrl}}/messages/clear
+
+### Send Generic Action
+POST {{baseUrl}}/action
+Content-Type: application/json
+
+{
+  "Action": "ViewerConnectLive(17, 101)"
+}
+
+### Send Custom Action
+POST {{baseUrl}}/custom-action
+Content-Type: application/json
+
+{
+  "TypeId": 1,
+  "Text": "Test custom action"
+}
+
+### Disconnect
+POST {{baseUrl}}/disconnect
+
+### Swagger UI
+# Open in browser: http://localhost:7721/swagger