Implement comprehensive session digest generation module that aggregates:
- Beads completed with duration tracking
- Files modified with tool and worker attribution
- Errors encountered with categorization
- Time spent per worker
- Token usage and estimated costs
Features:
- SessionDigestGenerator class for digest creation
- Markdown formatting with tables and summaries
- CLI integration via 'fabric digest' command
- Support for time range and worker filtering
- Comprehensive test coverage (14 tests, all passing)
CLI Usage:
fabric digest -f <logfile> [options]
Options: --output, --worker, --since, --until, --max-files, --max-errors
All tests passing: 616/616
Co-Authored-By: Claude <noreply@anthropic.com>