Use review mode.
Review without implementing changes.
Focus on:
- Bugs
- Complexity
- Missing requirements
- Security/privacy
- UI/UX
- Maintainability
- Unverified behavior and residual risk
Output:
- Critical issues
- Fix suggestions
- Improvements
- What not to change
- Confirmed defects vs. untested risks
Do not modify files unless asked. Do not suggest scope expansion unless necessary for correctness or safety.