CUB-196: wire CameraCard into App grid with SSE live updates

src/App.tsx

@@ -1,6 +1,19 @@
-import { Camera } from 'lucide-react'
+import { Camera, Radio } from 'lucide-react'
+import { useSSE } from './hooks/useSSE'
+import { useCameraStore } from './store/useCameraStore'
+import { CameraCard } from './components'
 
 function App() {
+  // Connect to SSE endpoint — auto-updates the camera store
+  useSSE()
+
+  // Subscribe to the camera store for reactivity.
+  // getCameras / getOnlineCount / getRecordingCount pull from live state.
+  const { getCameras, getOnlineCount, getRecordingCount } = useCameraStore()
+  const cameras = getCameras()
+  const onlineCount = getOnlineCount()
+  const recordingCount = getRecordingCount()
+
   return (
     <div className="min-h-screen bg-rig-dark-900">
       {/* Header */}
@@ -14,21 +27,58 @@ function App() {
             <span className="ml-2 rounded-full bg-rig-accent/10 px-2.5 py-0.5 text-xs font-medium text-rig-accent">
               Dashboard
             </span>
+
+            {/* Stats badges */}
+            <div className="ml-auto flex items-center gap-4">
+              {/* Online count */}
+              <span
+                className="inline-flex items-center gap-1.5 rounded-full bg-rig-dark-700/60 px-3 py-1 text-xs font-medium text-rig-dark-200"
+                title="Cameras online"
+              >
+                <span className="h-2 w-2 rounded-full bg-rig-success" />
+                {onlineCount} online
+              </span>
+
+              {/* Recording count */}
+              <span
+                className="inline-flex items-center gap-1.5 rounded-full bg-rig-dark-700/60 px-3 py-1 text-xs font-medium text-rig-dark-200"
+                title="Cameras recording"
+              >
+                <span className="relative flex h-2 w-2">
+                  <span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-rig-danger opacity-75" />
+                  <span className="relative inline-flex h-2 w-2 rounded-full bg-rig-danger" />
+                </span>
+                {recordingCount} recording
+              </span>
+            </div>
           </div>
         </div>
       </header>
 
       {/* Main Content */}
       <main className="mx-auto max-w-7xl px-4 py-8 sm:px-6 lg:px-8">
-        <div className="flex flex-col items-center justify-center rounded-xl border border-dashed border-rig-dark-600 bg-rig-dark-800/30 py-24 text-center">
-          <Camera className="mb-4 h-12 w-12 text-rig-dark-500" />
-          <h2 className="text-lg font-semibold text-rig-dark-200">
-            Dashboard Coming Soon
-          </h2>
-          <p className="mt-2 max-w-sm text-sm text-rig-dark-400">
-            Camera monitoring and remote control interface — under construction.
-          </p>
-        </div>
+        {cameras.length === 0 ? (
+          /* Empty state */
+          <div className="flex flex-col items-center justify-center rounded-xl border border-dashed border-rig-dark-600 bg-rig-dark-800/30 py-24 text-center">
+            <span className="relative mb-4 inline-flex">
+              <Radio className="h-12 w-12 animate-pulse text-rig-accent" />
+            </span>
+            <h2 className="text-lg font-semibold text-rig-dark-200">
+              Waiting for cameras&hellip;
+            </h2>
+            <p className="mt-2 max-w-sm text-sm text-rig-dark-400">
+              Connect cameras to your RemoteRig server and they will appear here
+              automatically.
+            </p>
+          </div>
+        ) : (
+          /* Camera grid */
+          <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4">
+            {cameras.map((camera) => (
+              <CameraCard key={camera.camera_id} camera={camera} />
+            ))}
+          </div>
+        )}
       </main>
 
       {/* Footer */}