Enhance link extraction logic in search function to handle cases with no result containers, improving robustness and accuracy of results.

.github/workflows/pypi.yml

@@ -38,23 +38,37 @@ jobs:
           password: ${{ secrets.TEST_PYPI_API_TOKEN }}
           repository_url: https://test.pypi.org/legacy/
   publish:
-    # Gate real PyPI publishing to stable SemVer tags only (e.g., v1.2.3 or 1.2.3)
-    if: startsWith(github.ref, 'refs/tags/') && (github.ref_name matches '^v?\\d+\\.\\d+\\.\\d+$')
+    # Gate real PyPI publishing to stable SemVer tags only
+    if: startsWith(github.ref, 'refs/tags/')
     name: Build and publish to PyPI
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Check if stable release
+        id: check_tag
+        run: |
+          TAG="${{ github.ref_name }}"
+          if echo "$TAG" | grep -qE '^v?[0-9]+\.[0-9]+\.[0-9]+$'; then
+            echo "is_stable=true" >> $GITHUB_OUTPUT
+            echo "Tag '$TAG' is a stable release. Will publish to PyPI."
+          else
+            echo "is_stable=false" >> $GITHUB_OUTPUT
+            echo "Tag '$TAG' is not a stable release (contains pre-release suffix). Skipping PyPI publish."
+          fi
       - name: Set up Python 3.9
+        if: steps.check_tag.outputs.is_stable == 'true'
         uses: actions/setup-python@v5
         with:
           python-version: 3.9
       - name: Install pypa/build
+        if: steps.check_tag.outputs.is_stable == 'true'
         run: >-
           python -m
           pip install
           build
           --user
       - name: Build binary wheel and source tarball
+        if: steps.check_tag.outputs.is_stable == 'true'
         run: >-
           python -m
           build
@@ -63,7 +77,7 @@ jobs:
           --outdir dist/
           .
       - name: Publish distribution to PyPI
-        if: startsWith(github.ref, 'refs/tags')
+        if: steps.check_tag.outputs.is_stable == 'true'
         uses: pypa/gh-action-pypi-publish@master
         with:
           password: ${{ secrets.PYPI_API_TOKEN }}