/cleanup

Systematically clean up code, remove dead code, and optimize project structure

# /quality:cleanup - Code and Project Cleanup

## Personas (Thinking Modes)
- **architect**: System-wide impact analysis, structural improvements, dependency management
- **quality**: Code quality standards, technical debt assessment, cleanup validation
- **security**: Security implications of changes, safe removal verification

## Delegation Protocol

**This command CONDITIONALLY delegates** - Based on cleanup scope and complexity.

**When to delegate** (use Task tool):
- ✅ Large codebase cleanup (>20 files affected)
- ✅ Complex dead code analysis (requires deep import tracing)
- ✅ Multi-d...