ci: publish formal version from pyproject.toml on main push

Remove .postN CI versioning, fix runtime version_ge for legacy post releases, and use ASCII issue separators in health output.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/publish.yml

@@ -22,13 +22,6 @@ jobs:
     steps:
       - uses: https://git.jc2009.com/admin/actions-checkout@v4
 
-      - name: Resolve and patch package version
-        env:
-          GITHUB_REF: ${{ github.ref }}
-          GITHUB_RUN_NUMBER: ${{ github.run_number }}
-          GITHUB_RUN_ID: ${{ github.run_id }}
-        run: python3.12 tools/ci_set_package_version.py
-
       - name: Install build tools
         run: python3.12 -m pip install --upgrade build twine --break-system-packages