{"service":"Aingels AI Agent Gateway","status":"ok","docs":"https://aingels.in","endpoints":{"openai":"POST /v1/chat/completions   (SDK base_url: <this host>/v1)","anthropic":"POST /v1/messages          (SDK base_url: <this host>)","models":"GET  /v1/models","usage":"GET  /v1/usage","health":"GET  /healthz","status":"GET  /status"},"auth":"Authorization: Bearer sk-ain-...   (or x-api-key)","playground":"/playground"}