Fix CI: Install package in development mode

- Use 'pip install -e .' to install package in editable mode
- This ensures 'src' module is properly discoverable
- Use 'python -m pytest' for consistent module resolution
- Fixes ModuleNotFoundError in CI environment

Author: AnrokX

.github/workflows/test.yml

@@ -26,12 +26,12 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install wheel setuptools
-        pip install click pyyaml python-dotenv
+        pip install -e .
         pip install pytest pytest-cov pytest-mock freezegun
     
     - name: Run tests with coverage
       run: |
-        pytest tests/ --cov=src --cov-report=xml --cov-report=term-missing
+        python -m pytest tests/ --cov=src --cov-report=xml --cov-report=term-missing
     
     - name: Upload coverage to Codecov
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'