✨ Add ML Service test job to CI workflow

- Add test-ml-service job for conversation-assistant changes
- Configure Python 3.12 with uv package manager
- Use Forgejo PyPI registry for private packages

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.forgejo/workflows/ci.yml

@@ -162,3 +162,52 @@ jobs:
           name: landing-e2e-results
           path: features/landing/frontend-public/test-results/
           retention-days: 7
+
+  # =============================================================================
+  # Python Services
+  # =============================================================================
+
+  test-ml-service:
+    name: Test ML Service
+    runs-on: ubuntu-latest
+    needs: detect-changes
+    if: contains(needs.detect-changes.outputs.affected_features, 'conversation-assistant')
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install uv
+        run: curl -LsSf https://astral.sh/uv/install.sh | sh
+
+      - name: Configure Forgejo PyPI registry
+        run: |
+          mkdir -p ~/.config/pip
+          cat > ~/.config/pip/pip.conf << EOF
+          [global]
+          extra-index-url = https://__token__:${{ secrets.FORGEJO_TOKEN }}@forge.nasty.sh/api/packages/lilith/pypi/simple/
+          EOF
+
+      - name: Install dependencies
+        working-directory: features/conversation-assistant/ml-service
+        run: |
+          ~/.local/bin/uv venv
+          ~/.local/bin/uv pip install -e ".[dev]"
+
+      - name: Run tests
+        working-directory: features/conversation-assistant/ml-service
+        run: |
+          source .venv/bin/activate
+          python -m pytest tests/ -v --tb=short
+
+      - name: Upload test results
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: ml-service-test-results
+          path: features/conversation-assistant/ml-service/.pytest_cache/
+          retention-days: 7