{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 27s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-13T02:31:06.425001+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-13T02:30:39.663311+00:00", "silent_for_seconds": 26.8, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-13T02:31:06.425001+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "57.6GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-13T02:30:39.433294+00:00", "detail": {"slope_gb_per_day": 1.001, "free_gb": 57.57, "free_bytes": 61813428224, "pct_free": 25.22, "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": "2026-10-12T14:12:17.301357+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 15.5h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-13T02:30:39.433541+00:00", "detail": {"age_hours": 15.45, "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": "2026-10-12T14:12:17.301724+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:gcal-sync", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "gcal-sync-heartbeat.json", "read_at": "2026-10-13T02:30:39.433591+00:00", "detail": {"age_hours": 0.01, "last_success": "2026-10-13T02:30:01.873893+00:00", "window_hours": 1.0, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.301770+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 18.5h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-13T02:30:39.504240+00:00", "detail": {"age_hours": 18.51, "newest": "baserow_backup_20261012_030000.tar.gz", "backup_count": 31, "newest_at": "2026-10-12T08:00:00+00:00", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.447532+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:comms-freshness", "observation": "healthy", "method": "reported", "summary": "last success 0.3h ago", "source": "comms-freshness-run.json", "read_at": "2026-10-13T02:30:39.504537+00:00", "detail": {"age_hours": 0.3, "last_success": "2026-10-13T02:12:49.274263+00:00", "alarm": true, "invoked_by": "scheduler", "window_hours": 1.5, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.447971+00:00", "held_seconds": 44302.1, "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": "2026-10-13T02:30:39.504595+00:00", "detail": {"age_hours": 0.0, "last_success": "2026-10-13T02:30:34+00:00", "http_code": 200, "window_hours": 0.5, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448030+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 12.5h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-13T02:30:39.504787+00:00", "detail": {"age_hours": 12.46, "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": "2026-10-12T14:12:17.448080+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.4h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-13T02:30:39.504960+00:00", "detail": {"age_hours": 0.37, "last_success": "2026-10-13T02:08:29.490631+00:00", "window_hours": 26.0, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448423+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-13T02:30:39.505016+00:00", "detail": {"brand": "hackfw", "age_hours": 0.01, "last_success": "2026-10-13T02:30:01.660218+00:00", "changed": false, "bytes": 42714, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448567+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-tmb", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "tmb-index.html.heartbeat.json", "read_at": "2026-10-13T02:30:39.505058+00:00", "detail": {"brand": "tmb", "age_hours": 0.01, "last_success": "2026-10-13T02:30:01.817445+00:00", "changed": false, "bytes": 37973, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448662+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:digest-fwdao", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "fwdao-index.html.heartbeat.json", "read_at": "2026-10-13T02:30:39.505098+00:00", "detail": {"brand": "fwdao", "age_hours": 0.01, "last_success": "2026-10-13T02:30:01.998752+00:00", "changed": false, "bytes": 56626, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448720+00:00", "held_seconds": 44302.1, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-13T02:30:39.505138+00:00", "detail": {"brand": "door", "age_hours": 0.01, "last_success": "2026-10-13T02:30:02.395811+00:00", "changed": false, "bytes": 12254, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-12T14:12:17.448778+00:00", "held_seconds": 44302.1, "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": "2026-10-13T02:30:14.621023+00:00", "age_seconds": 53.2, "window_seconds": 2700, "interval_seconds": 900}}