- Fix crew sessions missing theme application (ConfigureGasTownSession)
- Add theme persistence to .gastown/config.json
- gt theme <name> now saves to config
- gt theme apply reads from config, falls back to hash-based default
- Improve rig detection using GT_RIG env var and path parsing
- gt theme shows whether theme is configured or default
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>