feat: add LiveKit join flow with waiting room and host admission

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

package.json

@@ -11,12 +11,16 @@
   "dependencies": {
     "@base-ui/react": "^1.9.0",
     "@hookform/resolvers": "^6.0.2",
+    "@livekit/components-react": "^2.9.24",
+    "@livekit/components-styles": "^1.2.0",
     "@prisma/adapter-mariadb": "^7.10.1",
     "@prisma/client": "^7.10.1",
     "bcryptjs": "^3.0.3",
     "class-variance-authority": "^0.7.1",
     "cn": "^0.5.0",
     "jose": "^6.2.14",
+    "livekit-client": "^2.23.0",
+    "livekit-server-sdk": "^2.19.2",
     "lucide-react": "^1.64.0",
     "next": "16.4.3",
     "next-auth": "^5.0.0-beta.32",