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Assists with code refactoring by detecting code smells, suggesting improvements, and providing refactoring patterns...

SKILL.md

Refactoring Assistant Skill

Detect code smells and assist refactoring during development. Proactively suggest improvements without waiting for explicit requests.

Activation Triggers

Threshold violations detected during code editing (automatic)
"refactor", "code smell" (manual)

Code Smell Thresholds

Code Smell	Threshold	Action
Long Method	> 50 lines	Extract functions
Duplicate Code	3+ occurrences	Extract to shared function/constant
Deep Nesting	> 3 levels	Early return, extract conditions
Long Parameter List	> 5 params	Structured params (TS: RORO, Go: struct)
Large Module	> 300 lines	Split into smaller modules
Complex Conditional	> 3 conditions	Extract to named function/variable

Workflow

Detect: Read code, match against thresholds. Prioritize by severity (security > readability > style)
Analyze: Consider context (one-off vs recurring, business justification for complexity)
Suggest: Show location (file:line), present before/after with trade-offs. Execute after user approval (partial approval OK)
Implement: Make small incremental changes. Run tests/linter to verify. Record new patterns via knowledge-manager

Guardrails

Do not refactor without test coverage (add tests first)
Do not change behavior (refactoring ≠ feature change)
Prefer incremental improvement over large-scale rewrites