Initial commit — DRB server stack

Includes c2-core (FastAPI/MQTT/Firestore), discord-bot (slash commands),
frontend (Next.js admin UI), and mosquitto config.

drb-frontend/components/StatusBadge.tsx

@@ -0,0 +1,16 @@
+import type { NodeStatus } from "@/lib/types";
+
+const styles: Record<NodeStatus, string> = {
+  online:       "bg-green-950 text-green-400 border border-green-800",
+  recording:    "bg-orange-950 text-orange-400 border border-orange-800 animate-pulse",
+  offline:      "bg-gray-900 text-gray-500 border border-gray-700",
+  unconfigured: "bg-indigo-950 text-indigo-400 border border-indigo-800",
+};
+
+export function StatusBadge({ status }: { status: NodeStatus }) {
+  return (
+    <span className={`inline-block px-2 py-0.5 rounded-full text-xs font-semibold uppercase tracking-wide ${styles[status] ?? styles.offline}`}>
+      {status}
+    </span>
+  );
+}