Comprehensive cost tracking system implementation including:
- Cost report generator with multiple formats (summary, detailed, audit)
- Full CLI integration with cost management commands
- Claude session cost tracking and estimation
- Professional markdown reports with frontmatter/contentmatter
- Automatic cost note generation for issue implementations
- Complete test coverage (33 test cases)
- Database integration with finance schema initialization
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
