{"surfaces": [{"surface": "host:disk/", "observation": "healthy", "method": "local_artifact", "summary": "755.7GB free, 308904733 days of runway", "source": "statvfs:/", "read_at": "2026-09-26T16:24:33.428203+00:00", "detail": {"free_bytes": 811478810624, "free_gb": 755.75, "total_gb": 755.75, "pct_free": 100.0, "floor_gb": 5.0, "samples": 1468, "slope_gb_per_day": -0.0, "runway_days": 308904732.8}, "held_since": "2026-09-26T16:24:33.428203+00:00", "held_seconds": 0.0}, {"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 329s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-09-26T16:24:32.037738+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-09-26T16:19:03.212886+00:00", "silent_for_seconds": 328.8, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-09-26T16:24:32.037738+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "fault", "method": "reported", "summary": "14.1GB free but losing 0.93GB/day: hits the floor in 9.8 days", "source": "statvfs:/", "read_at": "2026-09-26T16:19:03.003084+00:00", "detail": {"pct_free": 6.18, "floor_gb": 5.0, "runway_days": 9.8, "free_gb": 14.11, "free_bytes": 15145852928, "slope_gb_per_day": -0.929, "total_gb": 228.27, "samples": 2011, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.106127+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 5.3h ago", "source": "brief-send-log.jsonl", "read_at": "2026-09-26T16:19:03.003529+00:00", "detail": {"last_send_at": "2026-09-26T11:01:26.709275+00:00", "row_count": 47, "age_hours": 5.29, "window_hours": 30.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.106439+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:gcal-sync", "observation": "healthy", "method": "reported", "summary": "last success 0.2h ago", "source": "gcal-sync-heartbeat.json", "read_at": "2026-09-26T16:19:03.003931+00:00", "detail": {"last_success": "2026-09-26T16:10:01.183822+00:00", "age_hours": 0.15, "window_hours": 1.0, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.106893+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 8.3h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-09-26T16:19:03.082241+00:00", "detail": {"newest_at": "2026-09-26T08:00:00+00:00", "age_hours": 8.32, "newest": "baserow_backup_20260926_030000.tar.gz", "backup_count": 31, "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.189970+00:00", "held_seconds": 44279.9, "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": "2026-09-26T16:19:03.082887+00:00", "detail": {"invoked_by": "interactive", "alarm": true, "last_success": "2026-09-26T15:58:14.590228+00:00", "age_hours": 0.35, "window_hours": 1.5, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.190589+00:00", "held_seconds": 44279.9, "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": "2026-09-26T16:19:03.083076+00:00", "detail": {"http_code": 200, "last_success": "2026-09-26T16:18:35+00:00", "age_hours": 0.01, "window_hours": 0.5, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.190802+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 2.3h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-09-26T16:19:03.083391+00:00", "detail": {"invoked_by": "distributor", "last_success": "2026-09-26T14:02:49.625175+00:00", "age_hours": 2.27, "outcome": "posted", "window_hours": 26.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.191162+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 11.8h ago", "source": "devpost-heartbeat.json", "read_at": "2026-09-26T16:19:03.083748+00:00", "detail": {"last_success": "2026-09-26T04:33:20.605551+00:00", "age_hours": 11.76, "window_hours": 26.0, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.191351+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.2h ago", "source": "index.html.heartbeat.json", "read_at": "2026-09-26T16:19:03.084193+00:00", "detail": {"brand": "hackfw", "changed": false, "last_success": "2026-09-26T16:10:00.971864+00:00", "bytes": 42714, "age_hours": 0.15, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.191768+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}, {"surface": "cron:digest-tmb", "observation": "healthy", "method": "reported", "summary": "last success 0.2h 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"cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.2h ago", "source": "index.html.heartbeat.json", "read_at": "2026-09-26T16:19:03.085906+00:00", "detail": {"brand": "door", "changed": false, "last_success": "2026-09-26T16:10:01.562365+00:00", "bytes": 12254, "age_hours": 0.15, "window_hours": 1.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T04:01:03.192709+00:00", "held_seconds": 44279.9, "reported_by": "kevin-mac"}], "blind_spots": [], "healthy_count": 13, "fault_count": 1, "blind_count": 0, "collectors_declared": 1, "fresh_count": 12, "stale_count": 0, "unreported_count": 0, "undeclared_surfaces": ["self:sweep", "smoke:deploy-check"]}