{"service":"SigilAgent API","version":"1.0.0","endpoints":{"POST \/v1\/ask":"Unified AI endpoint","GET  \/v1\/task":"Task status poll","GET  \/v1\/me":"Tenant info + credits","WS   \/v1\/stream":"WebSocket streaming (via websocketd)","POST \/v1\/paypal":"PayPal webhook","POST \/v1\/admin":"Admin API","GET  \/health":"Health check","GET  \/playground":"Interactive Playground","GET  \/admin":"Admin Dashboard"},"auth":"Bearer <api_key>","demo_keys":{"sk-sa-dev-000000000000":"Admin (999999 credits)","sk-sa-demo-111111111111":"Demo (1000 credits)"}}