Initial template

template/CLAUDE.md

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+## Code Principles
+- **Simplicity**: Write simple, straightforward code
+- **Readability**: Make code easy to understand
+- **Performance**: Consider performance without sacrificing readability
+- **Maintainability**: Write code that's easy to update
+- **Reusability**: Create reusable components and functions
+- **Less Code = Less Debt**: Minimize code footprint
+- **NEVER write comments** - code should be self-documenting
+- **Docstrings ONLY if explicitly asked**
+
+## Checking commands
+After writing code, always run:
+```shell
+make fmt
+make check
+```