Add whisper docker dependency controls to dashboard

docs/api/PROTOCOL.md

@@ -408,13 +408,50 @@ Return status for docker-compose managed dependencies (currently includes local
         "state": "running",
         "health": "healthy",
         "statusText": "Up 4 minutes (healthy)",
-        "containerName": "flynn-whisper-server-1"
+        "containerName": "flynn-whisper-server-1",
+        "availableActions": ["restart", "stop", "update"]
       }
     ]
   }
 }
 ```
 
+#### `system.dockerDependencyControl`
+
+Control a docker-compose dependency (`start`, `restart`, `stop`, `update`).
+
+- `update` for `whisper` pulls the latest image and runs `docker compose up -d` to reconcile.
+
+**Request:**
+```json
+{
+  "id": 14,
+  "method": "system.dockerDependencyControl",
+  "params": {
+    "dependency": "whisper",
+    "action": "restart"
+  }
+}
+```
+
+**Response:**
+```json
+{
+  "id": 14,
+  "result": {
+    "dependency": "whisper",
+    "action": "restart",
+    "status": {
+      "id": "whisper",
+      "state": "running",
+      "health": "healthy",
+      "statusText": "running (healthy)"
+    },
+    "message": "Restarted whisper-server container."
+  }
+}
+```
+
 #### `system.localBackendControl`
 
 Control a local backend daemon (`start`, `restart`, `stop`, `update`).

docs/plans/state.json

@@ -3,6 +3,24 @@
   "updated_at": "2026-02-23",
   "description": "Tracks the status of all Flynn plans and implementation phases",
   "plans": {
+    "dashboard-docker-dependency-controls": {
+      "status": "completed",
+      "date": "2026-02-23",
+      "updated": "2026-02-23",
+      "summary": "Added daemon-style Start/Restart/Stop/Update controls for Docker Dependencies in Live Ops Dashboard. Introduced `system.dockerDependencyControl` RPC, docker compose control handlers for Whisper service lifecycle + image update, and dashboard action wiring with status feedback.",
+      "files_modified": [
+        "src/gateway/handlers/dockerDependencies.ts",
+        "src/gateway/handlers/dockerDependencies.test.ts",
+        "src/gateway/handlers/system.ts",
+        "src/gateway/handlers/handlers.test.ts",
+        "src/gateway/server.ts",
+        "src/gateway/ui/pages/dashboard.js",
+        "src/gateway/ui/pages/dashboard.test.ts",
+        "docs/api/PROTOCOL.md",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm test:run src/gateway/handlers/dockerDependencies.test.ts src/gateway/handlers/handlers.test.ts src/gateway/ui/pages/dashboard.test.ts + pnpm typecheck passing"
+    },
     "dashboard-docker-dependencies-profile-aware-detection": {
       "status": "completed",
       "date": "2026-02-23",