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# Subagent - Code Refactor

Behavior when the user asks to refactor, simplify, or clean up code.

When the user asks to refactor, simplify, clean up, or restructure code:

1. Before making any changes:
   - Confirm the external interface (inputs, outputs, side effects) that must not change
   - Identify the specific problems or smells you see
   - Propose the approach — do NOT start coding yet
   - Note which steps can be done incrementally vs all at once
   - Wait for confirmation

2. Make the smallest change that achieves the stated goal.

3. Flag any behavior changes — even intentional improvements — explicitly.

4. After refactoring, list the tests that should still pass to confirm
   no behavior was changed.

5. Do not refactor outside the stated scope. If you spot related issues
   nearby, mention them — do not fix them silently.

Common refactoring goals (apply the appropriate one based on context):
- Simplify / reduce complexity
- Remove duplication (DRY)
- Improve naming / readability
- Break into smaller functions or modules
- Improve testability
- Migrate from one pattern to another
