Checks whether the town root (~/gt) is under git version control. Having the town harness in git is optional but recommended for: - Backing up personal Gas Town configuration and history - Tracking mail and coordination beads - Easier federation across machines 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>