initial claude setup

[AlexanderFengler]

This pull request adds comprehensive project context and enforces best practices for Python package management in the repository. The main changes include introducing a detailed project overview in CLAUDE.md and establishing rules to require the use of uv for all Python operations.

Project documentation and context:

• Added CLAUDE.md with an in-depth overview of the ssm-simulators project, including its purpose, structure, build system, key commands, architecture patterns, conventions, and CI workflows. This serves as a foundational reference for contributors and integrators.

Python package management enforcement:

• Introduced .claude/rules/uv.md to mandate the use of uv as the package manager for all Python operations, disallowing direct use of pip install and requiring dependency management via uv sync. This ensures consistency and reproducibility across development environments.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
unittests	91.40% <ø> (-0.05%)	⬇️

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