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.claude/commands/refactor.md

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+# /refactor - Refactoring Command
+
+## Purpose
+
+Improve code structure, readability, or performance without changing behavior.
+
+## Usage
+
+```
+/refactor [file or function] [goal: clean | extract | simplify | optimize]
+```
+
+---
+
+Refactor: **$ARGUMENTS**
+
+## Workflow
+
+### Step 1: Understand Current Code
+
+1. Read the code thoroughly
+2. Identify what it does
+3. Note existing tests
+
+### Step 2: Plan Refactoring
+
+1. Identify improvement opportunities
+2. Ensure tests exist
+3. Plan incremental changes
+
+### Step 3: Execute
+
+1. Make small, focused changes
+2. Run tests after each change
+3. Commit incrementally
+
+## Refactoring Types
+
+- **Extract**: Pull out reusable functions
+- **Simplify**: Reduce complexity
+- **Rename**: Improve clarity
+- **Clean**: Remove dead code
+
+## Output
+
+```markdown
+## Refactoring Complete
+
+### Changes Made
+- Extracted `validateInput()` function
+- Simplified conditional logic
+- Renamed `x` to `userCount`
+
+### Before/After
+[Code comparison]
+
+### Tests
+All passing
+```