This commit adds the complete test suite for content field instruction
capabilities, providing comprehensive coverage for all implemented features.
## Test Coverage:
- CLI option validation (--include-content-instructions, --instruction-type)
- Schema generation with content instruction fields
- Integration with outline mode and heading text capture
- Backward compatibility verification
- Error handling for invalid instruction types
- Stub generator integration
- Content instruction text generation for all types
## Test Structure:
- 13 comprehensive test methods covering all use cases
- TDD methodology validation (RED-GREEN-REFACTOR cycle)
- Integration tests for feature combinations
- Edge case and error condition testing
This completes the test coverage for Issue #54 implementation.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
