{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 796s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-15T20:31:58.255229+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-15T20:18:42.354131+00:00", "silent_for_seconds": 795.9, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-15T20:31:58.255229+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "54.7GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-15T20:18:42.086052+00:00", "detail": {"free_gb": 54.73, "pct_free": 23.98, "slope_gb_per_day": 0.363, "runway_days": null, "floor_gb": 5.0, "total_gb": 228.27, "samples": 2011, "free_bytes": 58764541952, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.193290+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.086395+00:00", "detail": {"window_hours": 30.0, "row_count": 66, "last_send_at": "2026-10-15T11:02:30.411105+00:00", "age_hours": 9.27, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.193815+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.086540+00:00", "detail": {"last_success": "2026-10-15T20:10:01.010013+00:00", "window_hours": 1.0, "age_hours": 0.14, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.193867+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.201987+00:00", "detail": {"backup_count": 31, "window_hours": 26.0, "newest_at": "2026-10-15T08:00:00+00:00", "newest": "baserow_backup_20261015_030000.tar.gz", "age_hours": 12.31, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.275084+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.202251+00:00", "detail": {"age_hours": 0.09, "last_success": "2026-10-15T20:13:16.287275+00:00", "window_hours": 1.5, "invoked_by": "scheduler", "alarm": true, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.275424+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.202458+00:00", "detail": {"http_code": 200, "last_success": "2026-10-15T20:16:41+00:00", "window_hours": 0.5, "age_hours": 0.03, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.275636+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:18:42.202612+00:00", "detail": {"outcome": "posted", "last_success": "2026-10-15T16:30:03.026099+00:00", "window_hours": 26.0, "invoked_by": "cadence", "age_hours": 3.81, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.276119+00:00", "held_seconds": 44300.9, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.2h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-15T20:18:42.202751+00:00", "detail": {"last_success": "2026-10-15T20:08:44.719146+00:00", "window_hours": 26.0, "age_hours": 0.17, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.276417+00:00", "held_seconds": 44300.9, "reported_by": "kevin-mac"}, {"surface": "cron:digest-hackfw", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": 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"observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "fwdao-index.html.heartbeat.json", "read_at": "2026-10-15T20:18:42.203169+00:00", "detail": {"brand": "fwdao", "last_success": "2026-10-15T20:10:01.147877+00:00", "bytes": 56824, "window_hours": 1.0, "changed": false, "age_hours": 0.14, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.276574+00:00", "held_seconds": 44300.9, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-15T20:18:42.203418+00:00", "detail": {"brand": "door", "last_success": "2026-10-15T20:10:01.496727+00:00", "bytes": 12254, "window_hours": 1.0, "changed": false, "age_hours": 0.14, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T08:00:21.276623+00:00", "held_seconds": 44300.9, "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": "2026-10-15T20:30:09.005732+00:00", "age_seconds": 111.6, "window_seconds": 2700, "interval_seconds": 900}}