{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 271s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-17T20:20:46.551733+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-17T20:16:15.554711+00:00", "silent_for_seconds": 271.0, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-17T20:20:46.551733+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "52.4GB free, 64 days of runway", "source": "statvfs:/", "read_at": "2026-10-17T20:16:15.286306+00:00", "detail": {"free_gb": 52.39, "pct_free": 22.95, "slope_gb_per_day": -0.744, "runway_days": 63.7, "floor_gb": 5.0, "total_gb": 228.27, "samples": 2008, "free_bytes": 56256237568, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:12.965563+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 9.3h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-17T20:16:15.286881+00:00", "detail": {"window_hours": 30.0, "row_count": 68, "last_send_at": "2026-10-17T11:00:11.278303+00:00", "age_hours": 9.27, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:12.966155+00:00", "held_seconds": 44282.3, "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": "2026-10-17T20:16:15.287054+00:00", "detail": {"last_success": "2026-10-17T20:10:01.760104+00:00", "window_hours": 1.0, "age_hours": 0.1, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-17T07:58:12.966560+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 12.3h old (32 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-17T20:16:15.437859+00:00", "detail": {"backup_count": 32, "window_hours": 26.0, "newest_at": "2026-10-17T08:00:00+00:00", "newest": "baserow_backup_20261017_030000.tar.gz", "age_hours": 12.27, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.111948+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:comms-freshness", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "comms-freshness-run.json", "read_at": "2026-10-17T20:16:15.438204+00:00", "detail": {"age_hours": 0.04, "last_success": "2026-10-17T20:13:36.901347+00:00", "window_hours": 1.5, "invoked_by": "scheduler", "alarm": true, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.112518+00:00", "held_seconds": 44282.3, "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": "2026-10-17T20:16:15.438412+00:00", "detail": {"http_code": 200, "last_success": "2026-10-17T20:12:30+00:00", "window_hours": 0.5, "age_hours": 0.06, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.112610+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 3.8h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-17T20:16:15.438600+00:00", "detail": {"outcome": "posted", "last_success": "2026-10-17T16:30:02.333492+00:00", "window_hours": 26.0, "invoked_by": "cadence", "age_hours": 3.77, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.112965+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-17T20:16:15.438791+00:00", "detail": {"last_success": "2026-10-17T20:08:55.964009+00:00", "window_hours": 26.0, "age_hours": 0.12, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.113276+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": 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"observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "fwdao-index.html.heartbeat.json", "read_at": "2026-10-17T20:16:15.439410+00:00", "detail": {"brand": "fwdao", "last_success": "2026-10-17T20:10:01.835489+00:00", "bytes": 57550, "window_hours": 1.0, "changed": false, "age_hours": 0.1, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.114279+00:00", "held_seconds": 44282.3, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-17T20:16:15.439755+00:00", "detail": {"brand": "door", "last_success": "2026-10-17T20:10:02.223290+00:00", "bytes": 12254, "window_hours": 1.0, "changed": false, "age_hours": 0.1, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-17T07:58:13.114515+00:00", 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