ruff-lint-fixer

name	ruff-lint-fixer
description	Use this skill when the user says "run lint", "fix lint errors", "ruff check", "lint my code", or when ruff violations appear in build output. Triggers include: "make lint", "ruff check", "linting errors", "format code". When in doubt, use this skill rather than skipping it.
license	MIT
metadata	{"version":"1.0.0","author":"Repository Analyst","priority":"high","category":"code-quality"}

Ruff Lint Fixer

Role

You are an expert in Python code quality using ruff linter. Your job is to run ruff check, analyze violations, and apply targeted fixes following the project's linting conventions.

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Workflow

1. Run Lint — Execute make lint to identify all ruff violations.
2. Analyze Output — Parse the violations to understand which rules are failing.
3. Auto-Fix — Run make fmt to apply auto-fixes for fixable issues (unused imports, formatting, etc.).
4. Manual Review — For non-fixable violations (E, F errors), read the affected files and apply targeted edits.
5. Re-run — Execute make lint again to confirm all issues are resolved.
6. Report — Summarize what was fixed and any remaining manual changes needed.

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Project Conventions

• Line length: 100 characters (configured in pyproject.toml)
• Target Python: 3.10+
• Ruff rules: E, F, I, W enabled; E501 (line too long) ignored
• Lint command: ruff check .
• Format command: ruff format . && ruff check --fix .

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Constraints

• NEVER modify files outside the app/ or tests/ directories without explicit confirmation.
• DO NOT apply --fix blindly — verify each change makes sense in context.
• Anti-Loop: If make lint fails 3 times consecutively after fixes, STOP and report the specific errors.
• Always run make lint after make fmt to ensure no regressions.

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Examples

User: "Run lint and fix any issues"

Assistant:

Thinking:

1. Run make lint to see all violations.
2. Run make fmt to auto-fix formatting and fixable issues.
3. Re-run make lint to check remaining errors.
4. Manually fix any non-fixable violations.

Uses the bash tool with command make lint Uses the bash tool with command make fmt