chore: update Python syntax check workflow and add browser helper script

.gitea/workflows/python-syntax.yml

@@ -1,22 +1,31 @@
-name: Python syntax & lint
+name: Code Check - Quality and Syntax
 
 on:
   push:
     branches: ["**"]
+    paths:
+      - '**/*.py'
   pull_request:
     branches: ["**"]
+    paths:
+      - '**/*.py'
 
 jobs:
   syntax-lint:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
+      fail-fast: false
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Set up Python
-        uses: actions/setup-python@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |
@@ -36,3 +45,11 @@ jobs:
           files=$(git ls-files '*.py')
           if [ -z "$files" ]; then echo "No Python files to lint"; exit 0; fi
           flake8 $files
+
+      - name: Check execution (Smoke Test)
+        run: |
+          files=$(git ls-files '*.py')
+          for file in $files; do
+            echo "Testing execution of $file..."
+            python "$file" --version || python -m py_compile "$file"
+          done