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create-memento

Generates Memento pattern for PHP 8.4. Creates state capture and restoration mechanism for undo/redo functionality, with originator, memento, and caretaker components. Includes unit tests.

skills/create-memento/SKILL.md

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# Memento Pattern Generator

Creates Memento pattern infrastructure for capturing and restoring object state without violating encapsulation.

## When to Use

| Scenario | Example |
|----------|---------|
| Undo/Redo functionality | Document editor, form drafts, game state |
| State snapshots | Transaction rollback, checkpoint systems |
| State history tracking | Audit trail, version history |
| Transactional operations | Multi-step processes with rollback |

## Component Characteristics