- Replace deprecated class Config pattern with model_config = ConfigDict(...) - Add ConfigDict import from pydantic - Fixes PydanticDeprecatedSince20 warning in test output - Maintains all existing functionality All 73 tests pass without warnings.
- Replace deprecated class Config pattern with model_config = ConfigDict(...) - Add ConfigDict import from pydantic - Fixes PydanticDeprecatedSince20 warning in test output - Maintains all existing functionality All 73 tests pass without warnings.