Daniel Wagner 15b595456a fix: modernize pydantic config to remove deprecation warning
- 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.
2026-07-26 12:54:54 +10:00
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