{"id":"btree-metadata-bypasses-wal","text":"`BTree._write_meta` writes root pointer and free list head directly to the data file without logging through the WAL, making metadata updates not crash-safe.","truth_value":"IN","source":"entries/2026/05/28/b-tree-storage-engine-fix-plan.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"btree-metadata-bypasses-wal","truth_value":"IN","reason":"premise"}]}}