ci: switch to python-semantic-release for automated versioning

Replaces manual tag-triggered publish with python-semantic-release:
- Automatic version bumping based on conventional commits
- feat: -> minor, fix:/perf: -> patch
- Creates GitHub releases automatically
- Publishes to PyPI on release

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: abrichr

.github/workflows/publish.yml

@@ -0,0 +1,48 @@
+name: Release and PyPI Publish
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    concurrency: release
+    permissions:
+      id-token: write
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Python Semantic Release
+        id: release
+        uses: python-semantic-release/python-semantic-release@v9.15.2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build package
+        if: steps.release.outputs.released == 'true'
+        run: uv build
+
+      - name: Publish to PyPI
+        if: steps.release.outputs.released == 'true'
+        uses: pypa/gh-action-pypi-publish@release/v1
+
+      - name: Publish to GitHub Releases
+        if: steps.release.outputs.released == 'true'
+        uses: python-semantic-release/publish-action@v9.15.2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -83,3 +83,14 @@ packages = ["src/openadapt_grounding"]
 
 [tool.ruff]
 line-length = 100
+
+[tool.semantic_release]
+version_toml = ["pyproject.toml:project.version"]
+branch = "main"
+commit_message = "chore: release {version}"
+build_command = "uv build"
+
+[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"]