Adds a new command `gt rig info <name>` that displays comprehensive
information about a rig including:
- Rig path and git URL
- Active polecats with their state and assigned issues
- Crew workers
- Refinery status (state, PID, current MR, stats)
- Witness and Mayor status with last activity times
- Beads summary (open/in_progress/closed/blocked counts)
Closes: gt-zko
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Implement AddRig with container-based approach (rig root is NOT a clone)
- Create internal/cmd/rig.go with add/list/remove subcommands
- Clone repo into refinery/rig/, mayor/rig/, crew/main/
- Initialize rig-level .beads/ with derived prefix
- Update docs/architecture.md to match implementation
- File gt-jpt epic for town-level beads redesign
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
