{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 883s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-13T08:31:41.397870+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-13T08:16:58.806820+00:00", "silent_for_seconds": 882.6, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-13T08:31:41.397870+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "57.5GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-13T08:16:58.502829+00:00", "detail": {"slope_gb_per_day": 0.97, "free_gb": 57.51, "free_bytes": 61752000512, "pct_free": 25.19, "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": "2026-10-12T19:58:55.106423+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 21.2h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-13T08:16:58.504137+00:00", "detail": {"age_hours": 21.23, "row_count": 63, "last_send_at": "2026-10-12T11:03:23.591696+00:00", "window_hours": 30.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.106680+00:00", "held_seconds": 44283.4, "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": "2026-10-13T08:16:58.504197+00:00", "detail": {"age_hours": 0.12, "last_success": "2026-10-13T08:10:01.669094+00:00", "window_hours": 1.0, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.106841+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 0.3h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-13T08:16:58.651778+00:00", "detail": {"age_hours": 0.28, "newest": "baserow_backup_20261013_030001.tar.gz", "backup_count": 31, "newest_at": "2026-10-13T08:00:01+00:00", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.244536+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:comms-freshness", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "comms-freshness-run.json", "read_at": "2026-10-13T08:16:58.652271+00:00", "detail": {"age_hours": 0.07, "last_success": "2026-10-13T08:12:51.191583+00:00", "alarm": true, "invoked_by": "scheduler", "window_hours": 1.5, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.244807+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "service:staging-queue", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "staging-queue-heartbeat.json", "read_at": "2026-10-13T08:16:58.652379+00:00", "detail": {"age_hours": 0.02, "last_success": "2026-10-13T08:15:40+00:00", "http_code": 200, "window_hours": 0.5, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.244875+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 18.2h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-13T08:16:58.652661+00:00", "detail": {"age_hours": 18.23, "last_success": "2026-10-12T14:03:04.087541+00:00", "invoked_by": "distributor", "outcome": "posted", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.245072+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 3.6h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-13T08:16:58.652923+00:00", "detail": {"age_hours": 3.64, "last_success": "2026-10-13T04:38:30.066333+00:00", "window_hours": 26.0, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.245247+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", 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"observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "fwdao-index.html.heartbeat.json", "read_at": "2026-10-13T08:16:58.653161+00:00", "detail": {"brand": "fwdao", "age_hours": 0.12, "last_success": "2026-10-13T08:10:01.749331+00:00", "changed": false, "bytes": 56626, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.246522+00:00", "held_seconds": 44283.4, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-13T08:16:58.653228+00:00", "detail": {"brand": "door", "age_hours": 0.12, "last_success": "2026-10-13T08:10:02.145688+00:00", "changed": false, "bytes": 12254, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T19:58:55.246585+00:00", 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