{"id":"btree-delete-leaks-pages","text":"`BTree._delete` removes keys from leaves but never calls `free_page` on empty leaves, causing unbounded page file growth despite `PageManager` having a free list mechanism.","truth_value":"IN","source":"entries/2026/05/28/b-tree-storage-engine-fix-plan.md","source_url":"","source_hash":"","justifications":[],"dependents":["btree-delete-causes-monotonic-degradation"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"btree-delete-leaks-pages","truth_value":"IN","reason":"premise"}]}}