- Apply Black formatting to all Python files in core and stiftung modules
- Fix import statement ordering with isort
- Ensure all code meets automated quality standards
- Resolve CI/CD pipeline formatting failures
- Maintain consistent code style across the entire codebase
- Fix undefined variable 'e' in PDF generator error handling
- Replace undefined 'Verpachtung' model references with 'LandVerpachtung'
- Fix all import and object access references to use correct model name
- Resolve all flake8 F821 undefined name errors
This addresses all code quality failures that were blocking CI pipeline.
- Add dotenv loading to Django settings
- Update CI workflow to use correct environment variables
- Set POSTGRES_* variables instead of DATABASE_URL
- Add environment variables to all Django management commands
- Fixes CI test failures due to database connection issues
