{"id":"wal-batch-commit-sentinel","text":"Every `append_batch` call writes exactly one COMMIT record (op code 3) as the final record in the batch, with empty key and value fields, consuming one additional sequence number.","truth_value":"IN","source":"entries/2026/05/28/write-ahead-log-wal-append_batch.md","source_url":"","source_hash":"","justifications":[],"dependents":["wal-batch-replay-provides-atomicity"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"wal-batch-commit-sentinel","truth_value":"IN","reason":"premise"}]}}