* feat: add CLI e2e testing improvement plan
## Summary
- Add phased approach to stabilize CLI spawn testing
- Expand cross-shell/OS matrix coverage when stable
- Optional packaging validation for CI environments
* feat: add markdown parser CRLF fix proposal and update e2e plan
- Add comprehensive proposal for fixing CRLF parsing issues on Windows
- Update CLI path references from dist/cli.js to dist/cli/index.js
- Streamline e2e testing tasks based on refined approach
* fix: correct spec delta to add parsing requirement instead of modifying remediation
- Change from MODIFIED to ADDED Requirements for cross-platform line ending parsing
- Create focused requirement for parser behavior rather than validation messages
- Maintain logical coherence between requirement and scenario