Refactor code structure for improved readability and maintainability

.github/workflows/python-tests.yml

@@ -7,25 +7,44 @@ on:
     branches: [ main, master ]
 
 jobs:
-  test-and-typecheck:
+  test:
     runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
-        python-version: ["3.12"]
+        python-version: ["3.10", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python
+
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install pytest pytest-asyncio mypy
+          pip install pytest pytest-asyncio
+
       - name: Run pytest
+        run: python -m pytest -q
+
+  typecheck:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install dependencies
         run: |
-          python -m pytest -q
-      - name: Run mypy (strict)
-        run: |
-          python -m mypy --config-file mypy.ini
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install mypy
+
+      - name: Run mypy
+        run: python -m mypy --config-file mypy.ini