my metadata in ctx.job is empty why? import { AccessToken, AccessTokenOptions, VideoGrant } from "livekit-server-sdk"; import { NextResponse } from "next/server"; // NOTE: you are expected to define the following environment variables in `.env.local`: const API_KEY = process.env.LIVEKIT_API_KEY; const API_SECRET = process.env.LIVEKIT_API_SECRET; const LIVEKIT_URL = process.env.LIVEKIT_URL; // don't cache the results export const revalidate = 0; export type ConnectionDetails = { serverUrl: string; roomName: string; participantName: string; participantToken: string; }; export async function GET() { try { if (LIVEKIT_URL === undefined) { throw new Error("LIVEKIT_URL is not defined"); } if (API_KEY === undefined) { throw new Error("LIVEKIT_API_KEY is not defined"); } if (API_SECRET === undefined) { throw new Error("LIVEKIT_API_SECRET is not defined"); } // Generate participant token const participantIdentity = `voice_assistant_user_${Math.floor(Math.random() * 10_000)}`; const roomName = `voice_assistant_room_${Math.floor(Math.random() * 10_000)}`; const participantToken = await createParticipantToken( { identity: participantIdentity }, roomName ); // Return connection details const data: ConnectionDetails = { serverUrl: LIVEKIT_URL, roomName, participantToken: participantToken, participantName: participantIdentity, }; const headers = new Headers({ "Cache-Control": "no-store", }); return NextResponse.json(data, { headers }); } catch (error) { if (error instanceof Error) { console.error(error); return new NextResponse(error.message, { status: 500 }); } } } function createParticipantToken(userInfo: AccessTokenOptions, roomName: string) { const at = new AccessToken(API_KEY, API_SECRET, { ...userInfo, ttl: "15m", }); const grant: VideoGrant = { room: roomName, roomJoin: true, canPublish: true, canPublishData: true, canSubscribe: true, }; at.metadata = JSON.stringify({ client_id: "web-client", source: "web", campaign: "spring2025", }); at.attributes = { client_id: "web-client", source: "web", campaign: "spring2025", }; at.addGrant(grant); return at.toJwt(); }

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