{"id":"tree-serialization-helpers-duplicated","text":"`list_to_tree` and `tree_to_list` BFS serialization helpers are duplicated per tree problem rather than shared from a common module.","truth_value":"IN","source":"entries/2026/06/06/invert-binary-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":["duplication-over-shared-infrastructure"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"tree-serialization-helpers-duplicated","truth_value":"IN","reason":"premise"}]}}