Environment Diagnostic

This page summarizes what environment variables must be set in Preview/Production. No secret values are shown.

• Supabase: NEXT_PUBLIC_SUPABASE_URL, NEXT_PUBLIC_SUPABASE_ANON_KEY
• Server-side (optional): SUPABASE_URL, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY
• AI (optional): OPENAI_API_KEY
• MCP (optional): MCP_SERVER_URL, MCP_BEARER_TOKEN

See docs/ENV.md for details.