Purpose Use this skill for testing and code generation. Covers snapshot testing with and code generation commands. Prerequisites 1. Install required tools: (installs ) 2. Install pnpm: in repo root 3. Understand which changes require code generation Common Workflows Run Tests Quick Test for Rules Fast iteration during development: Run: Quick Test for Parser Development IMPORTANT: Use this instead of building full Biome binary for syntax inspection - it's much faster! For inspecting AST structure when implementing parsers or working with embedded languages: Run: The output shows the full AST t…