refactor: consolidate claude code review workflows

- Remove redundant claude-code-review-v2.yml
- Update main workflow with comprehensive review features
- Add draft PR filtering and manual workflow dispatch
- Consolidate into single enhanced workflow file

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: maxprilutskiy