ci: switch to python-semantic-release for automated versioning (#3)

Conventional commit PR titles (feat:, fix:, etc.) auto-bump version,
tag, publish to PyPI, and create GitHub Releases on merge to main.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: abrichr

.github/workflows/publish.yml

@@ -1,18 +1,60 @@
-name: Publish to PyPI
+name: Release and PyPI Publish
 
 on:
   push:
-    tags:
-      - "v*"
+    branches:
+      - main
 
 jobs:
-  publish:
+  release:
     runs-on: ubuntu-latest
     environment: release
+    concurrency: release
     permissions:
       id-token: write
+      contents: write
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: astral-sh/setup-uv@v4
-      - run: uv build
-      - uses: pypa/gh-action-pypi-publish@release/v1
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.ADMIN_TOKEN }}
+
+      - name: Check if should skip
+        id: check_skip
+        run: |
+          if [ "$(git log -1 --pretty=format:'%an')" = "semantic-release" ]; then
+            echo "skip=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Set up Python
+        if: steps.check_skip.outputs.skip != 'true'
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install uv
+        if: steps.check_skip.outputs.skip != 'true'
+        uses: astral-sh/setup-uv@v4
+
+      - name: Python Semantic Release
+        if: steps.check_skip.outputs.skip != 'true'
+        id: release
+        uses: python-semantic-release/python-semantic-release@v9.15.2
+        with:
+          github_token: ${{ secrets.ADMIN_TOKEN }}
+
+      - name: Build package
+        if: steps.check_skip.outputs.skip != 'true' && steps.release.outputs.released == 'true'
+        run: uv build
+
+      - name: Publish to PyPI
+        if: steps.check_skip.outputs.skip != 'true' && steps.release.outputs.released == 'true'
+        uses: pypa/gh-action-pypi-publish@release/v1
+
+      - name: Publish to GitHub Releases
+        if: steps.check_skip.outputs.skip != 'true' && steps.release.outputs.released == 'true'
+        uses: python-semantic-release/publish-action@v9.15.2
+        with:
+          github_token: ${{ secrets.ADMIN_TOKEN }}

pyproject.toml

@@ -45,3 +45,16 @@ packages = ["openadapt_types"]
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
+
+[tool.semantic_release]
+version_toml = ["pyproject.toml:project.version"]
+commit_message = "chore: release {version}"
+major_on_zero = false
+
+[tool.semantic_release.branches.main]
+match = "main"
+
+[tool.semantic_release.commit_parser_options]
+allowed_tags = ["build", "chore", "ci", "docs", "feat", "fix", "perf", "refactor", "style", "test"]
+minor_tags = ["feat"]
+patch_tags = ["fix", "perf"]