SUCCESS

Task 0.1-0.2 completed successfully. All requirements met:

1. Configuration system extended with ResultTypeConfig and OptionTypeConfig
2. Three go_interop modes implemented: "opt-in", "auto", "disabled"
3. Validation logic added with clear error messages
4. Comprehensive test coverage (10 new test cases)
5. Example configuration file updated with documentation
6. All tests passing (100% pass rate)
7. Clean compilation with no warnings

Files modified:
- pkg/config/config.go (+50 lines, ~15 modifications)
- pkg/config/config_test.go (+170 lines)
- dingo.toml.example (+30 lines)

Next step: Ready for Task 1.1 (Result Type Declaration Generator)
