{"surfaces": [{"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 101s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-10-16T04:37:34.043643+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-10-16T04:35:53.399641+00:00", "silent_for_seconds": 100.6, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-10-16T04:37:34.043643+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "53.2GB free, not shrinking", "source": "statvfs:/", "read_at": "2026-10-16T04:35:53.178126+00:00", "detail": {"free_gb": 53.17, "pct_free": 23.29, "slope_gb_per_day": 0.217, "runway_days": null, "floor_gb": 5.0, "total_gb": 228.27, "samples": 2011, "free_bytes": 57095184384, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.553866+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 17.6h ago", "source": "brief-send-log.jsonl", "read_at": "2026-10-16T04:35:53.178453+00:00", "detail": {"window_hours": 30.0, "row_count": 66, "last_send_at": "2026-10-15T11:02:30.411105+00:00", "age_hours": 17.56, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.554356+00:00", "held_seconds": 44301.6, "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": "2026-10-16T04:35:53.178670+00:00", "detail": {"last_success": "2026-10-16T04:30:01.335011+00:00", "window_hours": 1.0, "age_hours": 0.1, "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.554541+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 20.6h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-10-16T04:35:53.294574+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": 20.6, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.683114+00:00", "held_seconds": 44301.6, "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": "2026-10-16T04:35:53.294861+00:00", "detail": {"age_hours": 0.38, "last_success": "2026-10-16T04:13:19.327521+00:00", "window_hours": 1.5, "invoked_by": "scheduler", "alarm": true, "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.683432+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "service:staging-queue", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "staging-queue-heartbeat.json", "read_at": "2026-10-16T04:35:53.295029+00:00", "detail": {"http_code": 200, "last_success": "2026-10-16T04:31:49+00:00", "window_hours": 0.5, "age_hours": 0.07, "withheld": ["collector_id", "probe", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.683489+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "cron:kai-cadence", "observation": "healthy", "method": "reported", "summary": "last success 12.1h ago", "source": "kai-cadence-heartbeat.json", "read_at": "2026-10-16T04:35:53.295223+00:00", "detail": {"outcome": "posted", "last_success": "2026-10-15T16:30:03.026099+00:00", "window_hours": 26.0, "invoked_by": "cadence", "age_hours": 12.1, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.683655+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "cron:devpost", "observation": "healthy", "method": "reported", "summary": "last success 0.5h ago", "source": "devpost-heartbeat.json", "read_at": "2026-10-16T04:35:53.295431+00:00", "detail": {"last_success": "2026-10-16T04:08:46.602417+00:00", "window_hours": 26.0, "age_hours": 0.45, "withheld": ["collector_id", "hb_source", "received_at", "reported_method", "row", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.683824+00:00", "held_seconds": 44301.6, "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": "2026-10-16T04:35:53.296067+00:00", "detail": {"brand": "fwdao", "last_success": "2026-10-16T04:30:01.387820+00:00", "bytes": 56809, "window_hours": 1.0, "changed": false, "age_hours": 0.1, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.684816+00:00", "held_seconds": 44301.6, "reported_by": "kevin-mac"}, {"surface": "cron:door", "observation": "healthy", "method": "reported", "summary": "last success 0.1h ago", "source": "index.html.heartbeat.json", "read_at": "2026-10-16T04:35:53.296311+00:00", "detail": {"brand": "door", "last_success": "2026-10-16T04:30:01.772525+00:00", "bytes": 12254, "window_hours": 1.0, "changed": false, "age_hours": 0.1, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-10-15T16:17:31.684929+00:00", "held_seconds": 44301.6, "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": "2026-10-16T04:30:05.762938+00:00", "age_seconds": 450.2, "window_seconds": 2700, "interval_seconds": 900}}