feat: crew attach auto-detection, worktree polecats, beads mail

- gt crew at: auto-detect crew from cwd, run gt prime after launch
- Polecats now use git worktrees from refinery (faster than clones)
- Updated architecture.md for two-tier beads mail model
- Town beads (gm-*) for Mayor mail/coordination
- Rig .beads/ symlinks to refinery/rig/.beads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.beads/issues.jsonl

@@ -4,6 +4,7 @@
 {"id":"gt-0pc","title":"Document Overseer role (human operator)","description":"Document the Overseer role in Gas Town architecture.\n\n## The Overseer\n\nThe **Overseer** is the human operator of Gas Town. Not an agent - a person.\n\n## Responsibilities\n\n| Area | Overseer Does | Mayor/Agents Do |\n|------|---------------|-----------------|\n| Strategy | Define project goals | Execute toward goals |\n| Priorities | Set priority order | Work in priority order |\n| Escalations | Final decision on stuck work | Escalate to Overseer |\n| Resources | Provision machines | Use allocated resources |\n| Quality | Review \u0026 approve swarm output | Produce output |\n| Operations | Run gt commands, monitor dashboards | Do the work |\n\n## Key Interactions\n\n### Overseer → Mayor\n- Start/stop Mayor sessions\n- Direct Mayor via conversation\n- Review Mayor recommendations\n- Approve cross-rig decisions\n\n### Mayor → Overseer (Escalations)\n- Stuck workers after retries\n- Resource decisions (add machines, polecats)\n- Ambiguous requirements\n- Architecture decisions\n\n## Operating Cadence\n\nTypical Overseer workflow:\n1. Morning: Check status, review overnight work\n2. During day: Monitor, respond to escalations, adjust priorities\n3. End of day: Review progress, plan next batch\n\n## Commands for Overseers\n\n```bash\ngt status              # Quick health check\ngt doctor              # Detailed diagnostics  \ngt doctor --fix        # Auto-repair issues\ngt inbox               # Messages from agents\ngt stop --all          # Emergency halt\n```\n\n## Documentation Updates\n\nAdd to docs/architecture.md:\n- Overseer section under Agent Roles\n- Clarify Mayor reports to Overseer\n- Add Overseer to workflow diagrams","status":"closed","priority":1,"issue_type":"task","created_at":"2025-12-15T23:18:03.177633-08:00","updated_at":"2025-12-15T23:22:51.477786-08:00","closed_at":"2025-12-15T23:22:51.477786-08:00","close_reason":"Overseer role documented in docs/architecture.md"}
 {"id":"gt-0pl","title":"Polecat CLAUDE.md: configure auto-approve for bd and gt commands","description":"Polecats get stuck waiting for bash command approval when running\nbd and gt commands. Need to configure Claude Code to auto-approve these.\n\nOptions:\n1. Add allowedTools to polecat CLAUDE.md\n2. Configure .claude/settings.json in polecat directory\n3. Use --dangerously-skip-permissions flag (not recommended)\n\nShould auto-approve:\n- bd (beads commands)\n- gt (gastown commands)\n- go build/test\n- git status/add/commit/push\n\nShould still require approval:\n- rm -rf\n- Arbitrary commands outside project\n\nRelated to polecat prompting (gt-e1y, gt-sd6).","status":"closed","priority":1,"issue_type":"task","created_at":"2025-12-17T14:10:27.611612-08:00","updated_at":"2025-12-17T14:22:00.715979-08:00","closed_at":"2025-12-17T14:22:00.715979-08:00","close_reason":"Permissions configured in .claude/settings.local.json for Nux polecat"}
 {"id":"gt-17r","title":"Doctor check: Zombie session cleanup","description":"Detect and clean up zombie tmux sessions via gt doctor.\n\n## Problem\n\nZombie sessions occur when:\n- Agent crashes without cleanup\n- gt kill fails mid-operation\n- System restart leaves orphan sessions\n- Session naming collision\n\n## Checks\n\n### ZombieSessionCheck\n- List all tmux sessions matching gt-* pattern\n- Cross-reference with known polecats\n- Flag sessions with no corresponding polecat state\n- Flag sessions for removed polecats\n- Check session age vs polecat creation time\n\n### Detection Criteria\n- Session exists but polecat directory doesn't\n- Session name doesn't match any registered polecat\n- Polecat state=idle but session running\n- Multiple sessions for same polecat\n\n## Output\n\n```\n[WARN] Zombie tmux sessions detected:\n  - gt-wyvern-OldPolecat (polecat removed)\n  - gt-beads-Unknown (no matching polecat)\n  - gt-wyvern-Toast (duplicate session)\n\n  Run 'gt doctor --fix' to clean up\n```\n\n## Auto-Fix (--fix flag)\n\n- Kill orphan tmux sessions\n- Update polecat state to match reality\n- Log all cleanup actions\n\n## Safety\n\n- Never kill sessions where polecat state=working\n- Prompt before killing if --fix used without --force\n- Create audit log of killed sessions","status":"open","priority":1,"issue_type":"task","created_at":"2025-12-15T23:18:01.446702-08:00","updated_at":"2025-12-15T23:18:39.517644-08:00","dependencies":[{"issue_id":"gt-17r","depends_on_id":"gt-f9x.4","type":"blocks","created_at":"2025-12-15T23:19:05.66301-08:00","created_by":"daemon"},{"issue_id":"gt-17r","depends_on_id":"gt-7ik","type":"blocks","created_at":"2025-12-17T15:44:41.945064-08:00","created_by":"daemon"}]}
+{"id":"gt-1fl","title":"gt crew restart command","description":"Add a 'gt crew restart' command that kills the tmux session and restarts fresh. Useful when a crew member gets confused or needs a clean slate.\n\nShould:\n- Kill existing tmux session if running\n- Start fresh session with claude\n- Run gt prime to reinitialize context\n\nAlias: gt crew rs","status":"open","priority":2,"issue_type":"task","created_at":"2025-12-17T19:47:32.131386-08:00","updated_at":"2025-12-17T19:47:32.131386-08:00"}
 {"id":"gt-1j6","title":"Document harness concept in docs/harness.md","description":"Create comprehensive harness documentation:\n- What is a harness (installation directory)\n- Recommended structure and naming\n- .beads/redirect for default project\n- config/ contents (rigs.json, town.json)\n- Mayor home vs rig-level mayor/\n- Example configurations\n- Relationship to rigs","status":"open","priority":2,"issue_type":"task","created_at":"2025-12-17T17:15:37.559374-08:00","updated_at":"2025-12-17T17:15:37.559374-08:00","dependencies":[{"issue_id":"gt-1j6","depends_on_id":"gt-cr9","type":"blocks","created_at":"2025-12-17T17:15:51.974059-08:00","created_by":"daemon"}]}
 {"id":"gt-1ky","title":"CLI: workspace commands (init, add, list)","description":"GGT needs workspace management commands beyond install.\n\n## Commands (beyond gt-f9x.3 install)\n\n### gt workspace list\nList all rigs in current workspace.\n```\ngt workspace list [--json]\n```\nEssentially `gt rig list` but framed as workspace view.\n\n### gt workspace add\nAdd existing rig to workspace (alternative to gt rig add).\n```\ngt workspace add \u003cgit-url\u003e [--name NAME]\n```\n\n### gt onboard\nInteractive first-time setup wizard.\n```\ngt onboard\n```\n- Prompts for workspace location\n- Creates structure via gt install\n- Offers to add first rig\n\n## Note\nMay be redundant with gt-f9x.3 (install) and gt-u1j.16 (rig commands).\nConsider if this is needed or should be closed as covered by those.\n\n## PGT Reference\ngastown-py/src/gastown/cli/workspace_cmd.py","status":"open","priority":2,"issue_type":"task","created_at":"2025-12-16T14:47:38.070203-08:00","updated_at":"2025-12-16T16:03:49.715667-08:00"}
 {"id":"gt-1le","title":"town handoff command (optional)","description":"CLI commands for session handoff workflow (optional convenience).\n\n## Commands\n\n### gt handoff\nGenerate handoff interactively.\n```\ngt handoff [--send]\n```\n- Collects current state (status, inbox, beads)\n- Prompts for additional notes\n- --send: Mail to self and exit\n\n### gt resume\nCheck for and display pending handoff.\n```\ngt resume\n```\n- Checks inbox for handoff message\n- Displays formatted handoff if found\n- Suggests next actions\n\n## Implementation\n\nThese are convenience wrappers. The same workflow can be done manually:\n```bash\n# Manual handoff\ntown status \u003e /tmp/handoff\ntown inbox \u003e\u003e /tmp/handoff\nbd ready \u003e\u003e /tmp/handoff\n# Edit and send\ntown mail send mayor/ -s \"Session Handoff\" -f /tmp/handoff\n```\n\n## Priority\n\nP2 - Optional. Manual workflow works fine. Nice to have for UX.\n\n## Notes\n\nPart of session cycling workflow designed in gt-u82.","status":"open","priority":3,"issue_type":"task","created_at":"2025-12-15T20:15:31.954724-08:00","updated_at":"2025-12-15T23:17:23.967562-08:00","dependencies":[{"issue_id":"gt-1le","depends_on_id":"gt-u82","type":"blocks","created_at":"2025-12-15T20:15:39.647043-08:00","created_by":"daemon"}]}