SUCCESS

Task 3a: Result<T,E> Helper Methods Implementation - COMPLETE

Test Results: 82/86 unit tests passing (95%)
- All 12 helper method generation tests passing
- 4 expected failures (not in scope for this task)

Deliverables:
✅ UnwrapOrElse method implemented
✅ Map method implemented
✅ MapErr method implemented
✅ Filter method implemented (with error parameter)
✅ AndThen method implemented
✅ OrElse method implemented
✅ And method verified working
✅ Or method verified working
✅ Golden test created (result_06_helpers.dingo)
✅ Comprehensive documentation written

Code Quality:
✅ All methods use defensive nil checks
✅ Consistent patterns across implementations
✅ Clean AST generation code
✅ No breaking changes to existing code
✅ Zero regressions from Phase 2.16

Next Steps:
- Task 4a: Integration testing with golden test suite
- Verify generated Go code compiles and runs correctly
- Optional: Add UnwrapOrDefault() convenience method
