- Introduced CLAUDE.md with universal development guidelines, project structure, and best practices for JavaScript/TypeScript and Python.
- Created README.md files for common Claude Code templates, Go, JavaScript/TypeScript, and Python projects.
- Added specific command templates for JavaScript/TypeScript, including API endpoint, debug, lint, npm scripts, React component, refactor, test, and TypeScript migration commands.
- Implemented hooks for formatting and linting on save in JavaScript/TypeScript projects.
- Established settings.json for JavaScript/TypeScript projects with permissions and environment variables.
- Developed project structure guidelines for JavaScript/TypeScript and Python projects.
- Created example projects for React and Node.js APIs with corresponding CLAUDE.md files.
- Laid groundwork for future Rust and Go templates with placeholder README.md files.
- Set up package.json for test setup with React dependencies.