{"ok":true,"version":"0.1.0","time":"2026-09-15T23:21:33.489Z","environment":"production","overall":{"status":"healthy"},"checks":[{"id":"database","label":"Database (PostgreSQL)","status":"healthy","latencyMs":943,"details":{"id":"database","poolLimit":null,"activeConnections":2,"idleConnections":2,"totalConnections":4,"serverMaxConnections":112,"serverReservedConnections":6}},{"id":"openai-api","label":"OpenAI (API)","status":"healthy","latencyMs":934},{"id":"openai-spend","label":"OpenAI (Spend)","status":"not_configured","latencyMs":null,"message":"OPENAI_ADMIN_KEY is unset; spend widget disabled"},{"id":"google-books","label":"Google Books","status":"healthy","latencyMs":416},{"id":"open-library","label":"Open Library","status":"healthy","latencyMs":691},{"id":"upstash","label":"Upstash (Redis)","status":"not_configured","latencyMs":null,"message":"M20 daily LLM cap not yet wired"}]}