# Development Guide > **Status: stub — Phase 1 (structure).** Content to be written in Phase 2. > > **Scope:** Setting up a dev environment, code style, and PR workflow. Root CONTRIBUTING.md remains the canonical entry point and will link here. ## Outline - Environment setup (clone, Hermit, bootstrap, hooks) - Repo layout tour - Code style (Rust, TS/biome) - Running checks locally (Justfile) - PR workflow and review expectations - License/CLA pointer ## Source material - `CONTRIBUTING.md` §Setting Up, §Code Style, §Making a Pull Request, §License and CLA - `Justfile`, `lefthook.yml`, `biome.json`