{"source":"mock","message":"Google OAuth is not configured. Set GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET env vars (wrangler secret put) to enable real sign-in.","setup_steps":["1. Go to https://console.cloud.google.com/apis/credentials","2. Create an OAuth 2.0 Client ID (Web application)","3. Set Authorized redirect URI to: https://pro.startupkit.com/auth/google/callback","4. Run: wrangler secret put GOOGLE_CLIENT_ID","5. Run: wrangler secret put GOOGLE_CLIENT_SECRET"]}