{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 611s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-12T02:34:27.787676+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-12T02:24:17.058016+00:00", "silent_for_seconds": 610.7, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-12T02:34:27.787676+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "55.8GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-12T02:24:16.772359+00:00", "detail": {"slope_gb_per_day": 1.078, "free_gb": 55.82, "free_bytes": 59933368320, "pct_free": 24.45, "samples": 2011, "floor_gb": 5.0, "runway_days": null, "total_gb": 228.27, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.704828+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 15.4h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-12T02:24:16.772894+00:00", "detail": {"age_hours": 15.4, "row_count": 62, "last_send_at": "2026-10-11T11:00:08.254527+00:00", "window_hours": 30.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.705291+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:gcal-sync", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "gcal-sync-heartbeat.json", "read_at": "2026-10-12T02:24:16.773066+00:00", "detail": {"age_hours": 0.07, "last_success": "2026-10-12T02:20:01.792760+00:00", "window_hours": 1.0, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.705572+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 18.4h old (32 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-12T02:24:16.909560+00:00", "detail": {"age_hours": 18.4, "newest": "baserow_backup_20261011_030000.tar.gz", "backup_count": 32, "newest_at": "2026-10-11T08:00:00+00:00", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.835442+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:comms-freshness", "observation": "healthy", "method": "reported", "summary": "last success 0.2h ago", "source": "comms-freshness-run.json", "read_at": "2026-10-12T02:24:16.909894+00:00", "detail": {"age_hours": 0.19, "last_success": "2026-10-12T02:12:40.028085+00:00", "alarm": true, "invoked_by": "scheduler", "window_hours": 1.5, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.835903+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "service:staging-queue", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "staging-queue-heartbeat.json", "read_at": "2026-10-12T02:24:16.909962+00:00", "detail": {"age_hours": 0.07, "last_success": "2026-10-12T02:20:09+00:00", "http_code": 200, "window_hours": 0.5, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T16:36:38.191424+00:00", "held_seconds": 35258.7, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 12.4h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-12T02:24:16.910141+00:00", "detail": {"age_hours": 12.4, "last_success": "2026-10-11T14:00:16.044472+00:00", "invoked_by": "distributor", "outcome": "posted", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.836452+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.3h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-12T02:24:16.910333+00:00", "detail": {"age_hours": 0.26, "last_success": "2026-10-12T02:08:23.976462+00:00", "window_hours": 26.0, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.836792+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-12T02:24:16.910533+00:00", "detail": {"brand": "hackfw", "age_hours": 0.07, "last_success": "2026-10-12T02:20:01.527770+00:00", "changed": false, "bytes": 42714, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.837092+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-tmb", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "tmb-index.html.heartbeat.json", "read_at": "2026-10-12T02:24:16.910761+00:00", "detail": {"brand": "tmb", "age_hours": 0.07, "last_success": "2026-10-12T02:20:01.645440+00:00", "changed": false, "bytes": 37973, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.837315+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-fwdao", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "fwdao-index.html.heartbeat.json", "read_at": "2026-10-12T02:24:16.911805+00:00", "detail": {"brand": "fwdao", "age_hours": 0.07, "last_success": "2026-10-12T02:20:01.795338+00:00", "changed": false, "bytes": 56614, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.837992+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-12T02:24:16.912011+00:00", "detail": {"brand": "door", "age_hours": 0.07, "last_success": "2026-10-12T02:20:02.161137+00:00", "changed": false, "bytes": 12254, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-11T14:05:51.838274+00:00", "held_seconds": 44305.1, "reported_by": "kevin-mac"}], "blind_spots": [], "healthy_count": 13, "fault_count": 0, "blind_count": 0, "collectors_declared": 1, "fresh_count": 12, "stale_count": 0, "unreported_count": 0, "undeclared_surfaces": [], "self_check": {"surface": "self:sweep", "liveness": "live", "last_run_at": "2026-10-12T02:30:25.007710+00:00", "age_seconds": 244.8, "window_seconds": 2700, "interval_seconds": 900}}