What problem does it solve? Before submitting a pull request, contributors must manually verify license headers, formatting, lint rules, build success, protected files, and commit conventions. This Skill automates that entire deterministic checklist so nothing is forgotten before a PR is opened. ## Core Features & Use Cases - Sequential Validation Pipeline: Runs working tree status, license header checks, Prettier formatting, ESLint, build verification, protected file detection, and commit verification in a fixed order. - Protected File Guarding: Pipes every changed file through the guard-protected-files.sh hook to flag modifications to protected paths requiring code owner approval. - Commit Convention Enforcement: Verifies signoff lines, ticket references, and conventional commit message formats across all branch commits. - Use Case: A contributor finishes a feature branch in the LFX One Angular monorepo and asks for a readiness check; the Skill runs all checks, fixes formatting, and reports a pass/fail summary before the PR is created. ## Quick Start Ask the assistant to run the preflight checks on your current branch before creating a pull request.