v2.0.9

Summary

• Bump package version to 2.0.9 and sync skill/runtime references for the published package.
• Include the latest CAD API, docs, skill packaging, and QL-related changes already merged on dev.
• Publish the 2.0.9 package to PyPI: https://pypi.org/project/simplecadapi/2.0.9/

Packaging

• PyPI package: simplecadapi==2.0.9
• Git tag: v2.0.9
• Source commit: ce2df43