{"surfaces": [{"surface": "host:disk/", "observation": "healthy", "method": "local_artifact", "summary": "755.7GB free, 5672888 days of runway", "source": "statvfs:/", "read_at": "2026-09-26T20:23:50.733344+00:00", "detail": {"free_bytes": 811478810624, "free_gb": 755.75, "total_gb": 755.75, "pct_free": 100.0, "floor_gb": 5.0, "samples": 23, "slope_gb_per_day": -0.0, "runway_days": 5672887.6}, "held_since": "2026-09-26T20:23:50.733344+00:00", "held_seconds": 0.0}, {"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 213s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-09-26T20:23:49.542041+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-09-26T20:20:16.632954+00:00", "silent_for_seconds": 212.9, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-09-26T20:23:49.542041+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "37.4GB free, 34 days of runway", "source": "statvfs:/", "read_at": "2026-09-26T20:20:16.441723+00:00", "detail": {"free_gb": 37.4, "free_bytes": 40162713600, "floor_gb": 5.0, "slope_gb_per_day": -0.954, "total_gb": 228.27, "samples": 2011, "pct_free": 16.39, "runway_days": 34.0, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T20:20:16.441723+00:00", "held_seconds": 0.0, "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": "2026-09-26T20:20:16.442566+00:00", "detail": {"age_hours": 9.31, "window_hours": 30.0, "last_send_at": "2026-09-26T11:01:26.709275+00:00", "row_count": 47, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.519665+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.442618+00:00", "detail": {"age_hours": 0.0, "window_hours": 1.0, "last_success": "2026-09-26T20:20:01.078088+00:00", "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.520059+00:00", "held_seconds": 44296.9, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 12.3h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-09-26T20:20:16.528127+00:00", "detail": {"newest": "baserow_backup_20260926_030000.tar.gz", "age_hours": 12.34, "newest_at": "2026-09-26T08:00:00+00:00", "window_hours": 26.0, "backup_count": 31, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.598376+00:00", "held_seconds": 44296.9, "reported_by": "kevin-mac"}, {"surface": "cron:comms-freshness", "observation": "healthy", "method": "reported", "summary": "last success 0.4h ago", "source": "comms-freshness-run.json", "read_at": "2026-09-26T20:20:16.528612+00:00", "detail": {"age_hours": 0.37, "alarm": true, "window_hours": 1.5, "last_success": "2026-09-26T19:58:16.790630+00:00", "invoked_by": "interactive", "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.599714+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.528774+00:00", "detail": {"age_hours": 0.03, "window_hours": 0.5, "last_success": "2026-09-26T20:18:42+00:00", "http_code": 200, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.599869+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.529050+00:00", "detail": {"age_hours": 3.84, "window_hours": 26.0, "last_success": "2026-09-26T16:30:07.402834+00:00", "outcome": "posted", "invoked_by": "cadence", "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.600190+00:00", "held_seconds": 44296.9, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.3h ago", "source": "devpost-heartbeat.json", "read_at": "2026-09-26T20:20:16.529349+00:00", "detail": {"age_hours": 0.28, "window_hours": 26.0, "last_success": "2026-09-26T20:03:25.548178+00:00", "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.600462+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.529405+00:00", "detail": {"bytes": 42714, "age_hours": 0.0, "window_hours": 1.0, "brand": "hackfw", "last_success": "2026-09-26T20:20:00.870261+00:00", "changed": false, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.600711+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.529446+00:00", "detail": {"bytes": 37973, "age_hours": 0.0, "window_hours": 1.0, "brand": "tmb", "last_success": "2026-09-26T20:20:00.976734+00:00", "changed": false, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.600816+00:00", "held_seconds": 44296.9, "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": "2026-09-26T20:20:16.529485+00:00", "detail": {"bytes": 50781, "age_hours": 0.0, "window_hours": 1.0, "brand": "fwdao", "last_success": "2026-09-26T20:20:01.113968+00:00", "changed": false, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.600989+00:00", "held_seconds": 44296.9, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.0h ago", "source": "index.html.heartbeat.json", "read_at": "2026-09-26T20:20:16.529523+00:00", "detail": {"bytes": 12254, "age_hours": 0.0, "window_hours": 1.0, "brand": "door", "last_success": "2026-09-26T20:20:01.508363+00:00", "changed": false, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T08:01:59.601220+00:00", "held_seconds": 44296.9, "reported_by": "kevin-mac"}], "blind_spots": [], "healthy_count": 14, "fault_count": 0, "blind_count": 0, "collectors_declared": 1, "fresh_count": 12, "stale_count": 0, "unreported_count": 0, "undeclared_surfaces": ["self:sweep", "smoke:deploy-check"]}