## Rules & Constraints
- Do not reformat existing code unless explicitly requested.
- Maintain existing import styles (newlines, sorting).
- Keep patches minimal (clean deltas).

## Failure Record
- "Do not reformat/minimal patch" violations: >100 (Recorded at User Request)
- Corrective Action: ALWAYS revert file first. NEVER use auto-format tools. USE string replacement scripts. Verify diff lines < 10.