feat: Add comprehensive review command with quality analysis (#24)

* feat: Add comprehensive review command with quality analysis

- Add new /review command with --files, --commit, --pr flags
- Implement evidence-based quality assessment patterns
- Create comprehensive review patterns YAML resource
- Update command index to reflect 19 total commands
- Integrate with existing analysis workflow

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Kevin Pauer <kevinpauer@users.noreply.github.com>

* fix: remove new custom .yml and reuse existing ones; adjust compression-performance-patterns

* feat: add command documentation

---------

Signed-off-by: Kevin Pauer <kevinpauer@users.noreply.github.com>
Co-authored-by: Kevin Pauer <kevinpauer@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>

COMMANDS.md

@@ -15,6 +15,7 @@
 
 **Example Commands**:
 ```bash
+/review --files src/ --quality --evidence    # Comprehensive code review with evidence
 /analyze --code --persona-architect          # Code analysis with architect mindset
 /build --react --magic --tdd                # Build React app with AI components
 /troubleshoot --prod --five-whys --seq      # Production debugging with reasoning
@@ -154,7 +155,27 @@ Create, run, and maintain testing strategies across the stack.
 /test --mutation --strict                  # Test quality validation
 ```
 
-### 🔍 Analysis & Improvement Commands (4)
+### 🔍 Analysis & Improvement Commands (5)
+
+#### `/review` - AI-Powered Code Review
+Comprehensive code review and quality analysis with evidence-based recommendations.
+
+**Command-Specific Flags:**
+- `--files` - Review specific files or directories
+- `--commit` - Review changes in specified commit (HEAD, hash, range)
+- `--pr` - Review pull request changes (git diff main..branch)
+- `--quality` - Focus on code quality issues (DRY, SOLID, complexity)
+- `--evidence` - Include sources and documentation for all suggestions
+- `--fix` - Suggest specific fixes for identified issues
+- `--summary` - Generate executive summary of review findings
+
+**Examples:**
+```bash
+/review --files src/auth.ts --persona-security    # Security-focused file review
+/review --commit HEAD --quality --evidence        # Quality review with sources
+/review --pr 123 --all --interactive             # Comprehensive PR review
+/review --files src/ --persona-performance --think # Performance analysis
+```
 
 #### `/analyze` - Multi-Dimensional Analysis
 Comprehensive analysis of code, architecture, performance, and security.
@@ -442,6 +463,14 @@ Load and analyze project context.
 /test --performance --load
 ```
 
+**Quality Assurance**
+```bash
+/review --quality --evidence --persona-qa
+/improve --quality --refactor --strict
+/scan --validate --quality
+/test --coverage --mutation
+```
+
 ### 💡 Best Practices
 
 1. **Always validate risky operations**