{"status":"ok","checks":{"database":{"status":"ok","latency_ms":5,"detail":"schema read ok; write transaction ok at /data/acorncompute.db"},"normalized_audio":{"status":"ok","latency_ms":0,"detail":"r2 self-test cache ok; last success 136s ago (fresh within 600s)"},"webhook_queue":{"status":"ok","latency_ms":5,"detail":"no pending webhook deliveries"},"alerting_thread":{"status":"ok","latency_ms":0,"detail":"last alerting tick was 22s ago"},"reaper_loop":{"status":"ok","latency_ms":0,"detail":"last reaper success was 41s ago"}}}