{"id":"command-undo-via-unexecute-and-history","text":"The Command pattern supports arbitrary-level undo/redo through an Unexecute operation that reverses Execute's effects and a command history list that tracks the present position","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-6.md","source_url":"","source_hash":"","justifications":[],"dependents":["command-dual-role-decoupling-and-state","command-memento-state-capture-family"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T17:04:08+00:00","updated_at":"2026-06-17T17:04:08+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"command-undo-via-unexecute-and-history","truth_value":"IN","reason":"premise"}]}}