Initial implementation by kimi k2 0905

PLANNING/steps.md

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+Steps taken:
+- [x] Read and understand the task.
+- [x] Create a design and select suitable design pattern. 
+- [x] use uv init package
+- [x] add dev deps for ruff pyright pytest
+- [x] never use pathlib or os.path directly always use importlib.resources and define resources in pyproject.toml