Introduce a new GitHub Actions workflow (build-pypi.yml) to build Python Wheel and Source Distribution and upload them as release assets. Integrate the PyPI job into the release-all workflow and update .github/CI_CD_README.md to document the PyPI artifacts and the new build-pypi.yml entry. The workflow uses Python 3.13, installs build tooling, runs build_release.py, and uploads dist/* via softprops/action-gh-release.
Updated the release-all GitHub Actions workflow to include 'contents: write' permission, enabling the workflow to perform actions that require write access to repository contents.
Refactored build workflows for Linux, macOS, and Windows to use workflow_dispatch and workflow_call with explicit version input, replacing tag-based triggers. Updated release steps to use the provided version input for tagging and naming. Added a new release-all workflow to trigger all platform builds with a single version input.
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