{"database": "audit", "table": "chain_checkpoints", "rows": [[1, "2026-05-07T10:59:09.230754Z", 639, "690a1626603f489712e521be4b520d07c03423d5fd9ec5ddaf93d86a592ea9a9", null, "automated daily checkpoint (UNSIGNED \u2014 no HMAC key set)"]], "columns": ["id", "checkpoint_at", "last_event_id", "last_row_hash", "signature", "notes"], "primary_keys": ["id"], "primary_key_values": ["1"], "units": {}, "query_ms": 1.3168440200388432}