* 📝 docs: Add AGENTS.md for project structure and coding standards
- Introduced AGENTS.md to outline project workspaces, coding standards, and development commands.
- Defined workspace boundaries for backend and frontend development, emphasizing TypeScript usage.
- Established guidelines for code style, iteration performance, type safety, and import order.
- Updated CONTRIBUTING.md to reference AGENTS.md for coding standards and project conventions.
- Modified package.json to streamline build commands, consolidating frontend and backend build processes.
* chore: Update build commands and improve smart reinstall process
- Modified AGENTS.md to clarify the purpose of `npm run smart-reinstall` and other build commands, emphasizing Turborepo's role in dependency management and builds.
- Updated package.json to streamline build commands, replacing the legacy frontend build with a Turborepo-based approach for improved performance.
- Enhanced the smart reinstall script to fully delegate build processes to Turborepo, including cache management and dependency checks, ensuring a more efficient build workflow.
