{"surfaces": [{"surface": "host:disk/", "observation": "healthy", "method": "local_artifact", "summary": "755.7GB free, 17489883 days of runway", "source": "statvfs:/", "read_at": "2026-09-26T22:27:48.487330+00:00", "detail": {"free_bytes": 811478810624, "free_gb": 755.75, "total_gb": 755.75, "pct_free": 100.0, "floor_gb": 5.0, "samples": 41, "slope_gb_per_day": -0.0, "runway_days": 17489883.3}, "held_since": "2026-09-26T22:27:48.487330+00:00", "held_seconds": 0.0}, {"surface": "collector:kevin-mac", "observation": "healthy", "method": "local_artifact", "summary": "collector kevin-mac last reported 421s ago, inside its declared 1800s deadline", "source": "verify:collector_liveness", "read_at": "2026-09-26T22:27:47.240829+00:00", "detail": {"liveness": "live", "cadence_seconds": 900.0, "silent_after_seconds": 1800.0, "last_report_at": "2026-09-26T22:20:46.620339+00:00", "silent_for_seconds": 420.6, "withheld": ["collector_id", "declared_surfaces"]}, "held_since": "2026-09-26T22:27:47.240829+00:00", "held_seconds": 0.0}, {"surface": "host:mac/disk", "observation": "healthy", "method": "reported", "summary": "38.8GB free, 36 days of runway", "source": "statvfs:/", "read_at": "2026-09-26T22:20:46.366185+00:00", "detail": {"free_gb": 38.77, "free_bytes": 41631993856, "floor_gb": 5.0, "slope_gb_per_day": -0.941, "total_gb": 228.27, "samples": 2011, "pct_free": 16.99, "runway_days": 35.9, "withheld": ["collector_id", "received_at", "reported_method", "wire_row_id"]}, "held_since": "2026-09-26T20:20:16.441723+00:00", "held_seconds": 7229.9, "reported_by": "kevin-mac"}, {"surface": "cron:morning-brief", "observation": "healthy", "method": "reported", "summary": "brief sent 11.3h ago", "source": "brief-send-log.jsonl", "read_at": "2026-09-26T22:20:46.366740+00:00", "detail": {"age_hours": 11.32, "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": "2026-09-26T10:02:28.597142+00:00", "held_seconds": 44297.8, "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": "2026-09-26T22:20:46.367138+00:00", "detail": {"age_hours": 0.01, "window_hours": 1.0, "last_success": "2026-09-26T22:20:01.217965+00:00", "withheld": ["collector_id", "counts", "received_at", "reported_method", "skipped", "wire_row_id"]}, "held_since": "2026-09-26T10:02:28.597535+00:00", "held_seconds": 44297.8, "reported_by": "kevin-mac"}, {"surface": "backup:baserow", "observation": "healthy", "method": "reported", "summary": "backup 14.3h old (31 retained)", "source": "infra-baserow-1:/baserow/backups", "read_at": "2026-09-26T22:20:46.442076+00:00", "detail": {"newest": "baserow_backup_20260926_030000.tar.gz", "age_hours": 14.35, "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": "2026-09-26T10:02:28.689646+00:00", "held_seconds": 44297.8, "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": "2026-09-26T22:20:46.442887+00:00", "detail": {"age_hours": 0.37, "alarm": true, "window_hours": 1.5, "last_success": "2026-09-26T21:58:17.763909+00:00", "invoked_by": "interactive", "withheld": ["collector_id", "received_at", "reported_method", "stale", "wire_row_id"]}, "held_since": "2026-09-26T10:02:28.690262+00:00", "held_seconds": 44297.8, "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": "2026-09-26T22:20:46.443099+00:00", "detail": {"age_hours": 0.03, 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