Add `gt polecat identity show <rig> <polecat>` command that displays:
- Identity bead ID and creation date
- Session count
- Completion statistics (completed, failed, abandoned)
- Language breakdown from file extensions in git history
- Work type breakdown (feat, fix, refactor, etc.)
- Recent work list with relative timestamps
- First-pass success rate
Supports --json flag for programmatic output.
Closes: hq-d17es.4
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2d8949a3d3