{"id":"command-undo-via-history-list","text":"Commands support unlimited undo/redo by storing executed commands in a history list; traversing backward calls Unexecute and traversing forward calls Execute.","truth_value":"OUT","source":"entries/2026/06/17/gof-oo-chunk-16.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"last_premise_reviewed":"2026-06-17T13:16:24","premise_review_result":"pass","_retracted":true},"created_at":"2026-06-17T17:04:08+00:00","updated_at":"2026-06-17T18:33:58+00:00","reviewed_at":"","verified_at":"","retracted_at":"2026-06-17T18:33:58+00:00","explanation":{"steps":[{"node":"command-undo-via-history-list","truth_value":"OUT","reason":"retracted premise"}]}}