Add multi-database support allowing selection between SQL Server and
PostgreSQL via database.active config. Changes include dialect-aware
SQL generation, cross-database timestamp functions, PostgreSQL connection
URL builder, and psycopg dependency.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Ensure config/settings.yaml can be found when running from any working
directory by resolving the path relative to the settings.py file location
rather than the current working directory.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Created config directory with settings.py, __init__.py, and settings.yaml
- Implemented SqlServerConfig and DatabaseConfig classes for SQL Server connections
- Added Settings class with database_url property for SQLAlchemy URL construction
- Uses parse_yaml_raw_as for UTF-8 safe YAML loading on Windows
- Configuration validated successfully via import test
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
