{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 503s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-14T08:32:01.556284+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-14T08:23:38.919057+00:00", "silent_for_seconds": 502.6, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-14T08:32:01.556284+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "57.4GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-14T08:23:38.650361+00:00", "detail": {"slope_gb_per_day": 0.787, "free_gb": 57.36, "free_bytes": 61589061632, "pct_free": 25.13, "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": "2026-10-13T20:05:18.520892+00:00", "held_seconds": 44300.1, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 21.3h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-14T08:23:38.650929+00:00", "detail": {"age_hours": 21.3, "row_count": 64, "last_send_at": "2026-10-13T11:05:46.442778+00:00", "window_hours": 30.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.521179+00:00", "held_seconds": 44300.1, "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": "2026-10-14T08:23:38.651120+00:00", "detail": {"age_hours": 0.06, "last_success": "2026-10-14T08:20:01.280962+00:00", "window_hours": 1.0, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.521348+00:00", "held_seconds": 44300.1, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 0.4h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-14T08:23:38.789236+00:00", "detail": {"age_hours": 0.39, "newest": "baserow_backup_20261014_030001.tar.gz", "backup_count": 31, "newest_at": "2026-10-14T08:00:01+00:00", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.605871+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:23:38.789593+00:00", "detail": {"age_hours": 0.18, "last_success": "2026-10-14T08:13:01.283451+00:00", "alarm": true, "invoked_by": "scheduler", "window_hours": 1.5, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.606207+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:23:38.789677+00:00", "detail": {"age_hours": 0.04, "last_success": "2026-10-14T08:21:04+00:00", "http_code": 200, "window_hours": 0.5, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.606276+00:00", "held_seconds": 44300.2, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 18.4h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-14T08:23:38.790061+00:00", "detail": {"age_hours": 18.36, "last_success": "2026-10-13T14:01:47.283233+00:00", "invoked_by": "distributor", "outcome": "posted", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.606493+00:00", "held_seconds": 44300.2, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 3.8h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-14T08:23:38.790256+00:00", "detail": {"age_hours": 3.75, "last_success": "2026-10-14T04:38:35.439507+00:00", "window_hours": 26.0, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.606686+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:23:38.790466+00:00", "detail": {"brand": "hackfw", "age_hours": 0.06, "last_success": "2026-10-14T08:20:00.965752+00:00", "changed": false, "bytes": 42729, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.606885+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:23:38.790629+00:00", "detail": {"brand": "tmb", "age_hours": 0.06, "last_success": "2026-10-14T08:20:01.091395+00:00", "changed": false, "bytes": 37973, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.607075+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:23:38.790783+00:00", "detail": {"brand": "fwdao", "age_hours": 0.06, "last_success": "2026-10-14T08:20:01.254762+00:00", "changed": false, "bytes": 56782, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.608068+00:00", "held_seconds": 44300.2, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-14T08:23:38.790982+00:00", "detail": {"brand": "door", "age_hours": 0.06, "last_success": "2026-10-14T08:20:01.673780+00:00", "changed": false, "bytes": 12254, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-13T20:05:18.608195+00:00", "held_seconds": 44300.2, "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": "2026-10-14T08:30:25.192705+00:00", "age_seconds": 98.5, "window_seconds": 2700, "interval_seconds": 900}}