feat: add cc-connect start/stop controls

Add backend start/stop endpoints and wire cc-connect UI controls to toggle container state with post-action health refresh and clear error handling.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

dashboard/backend/routers/cc_connect.py

@@ -10,15 +10,96 @@ router = APIRouter()
 client = docker.DockerClient(base_url=DOCKER_HOST, timeout=5)
 
 
+def _get_cc_connect_container():
+    matches = client.containers.list(all=True, filters={"name": "cc-connect"})
+    return matches[0] if matches else None
+
+
+@router.post("/start")
+def start_cc_connect():
+    try:
+        container = _get_cc_connect_container()
+    except Exception as exc:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": None,
+            "error": f"docker check failed: {exc}",
+        }
+
+    if not container:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": "not_found",
+            "error": "cc-connect container not found",
+        }
+
+    try:
+        container.start()
+        container.reload()
+        container_status = container.status
+        return {
+            "ok": container_status == "running",
+            "status": "up" if container_status == "running" else "down",
+            "container_status": container_status,
+            "error": None if container_status == "running" else "cc-connect failed to start",
+        }
+    except Exception as exc:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": container.status,
+            "error": f"docker start failed: {exc}",
+        }
+
+
+@router.post("/stop")
+def stop_cc_connect():
+    try:
+        container = _get_cc_connect_container()
+    except Exception as exc:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": None,
+            "error": f"docker check failed: {exc}",
+        }
+
+    if not container:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": "not_found",
+            "error": "cc-connect container not found",
+        }
+
+    try:
+        container.stop()
+        container.reload()
+        container_status = container.status
+        return {
+            "ok": container_status != "running",
+            "status": "down",
+            "container_status": container_status,
+            "error": None if container_status != "running" else "cc-connect failed to stop",
+        }
+    except Exception as exc:
+        return {
+            "ok": False,
+            "status": "down",
+            "container_status": container.status,
+            "error": f"docker stop failed: {exc}",
+        }
+
+
 @router.get("/health")
 async def cc_connect_health():
     url = (CC_CONNECT_URL or "").strip()
 
     container = None
     try:
-        matches = client.containers.list(all=True, filters={"name": "cc-connect"})
-        if matches:
-            container = matches[0]
+        container = _get_cc_connect_container()
     except Exception as exc:
         return {
             "ok": False,