- Refactor Dockerfile to improve build efficiency and clarity.
- Enhance coding standards in coderule.mdc for better maintainability.
- Add new rules to python.mdc to improve code quality.
- Modify Dockerfile to support multi-platform builds using TARGETARCH.
- Update coderule.mdc to enforce source code organization under the `src/` directory.
- Remove outdated rule from python.mdc regarding `src/` layout.