Fix ~50 errcheck warnings across the codebase:
- Add explicit `_ =` for intentionally ignored error returns (cleanup,
best-effort operations, etc.)
- Use `defer func() { _ = ... }()` pattern for defer statements
- Handle tmux SetEnvironment, KillSession, SendKeysRaw returns
- Handle mail router.Send returns
- Handle os.RemoveAll, os.Rename in cleanup paths
- Handle rand.Read returns for ID generation
- Handle fmt.Fprint* returns when writing to io.Writer
- Fix for-select with single case to use for-range
- Handle cobra MarkFlagRequired returns
All tests pass. Code compiles without errors.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- 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
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- ExecuteLanding: Full landing protocol for swarms
- Phase 1: Stop all polecat sessions
- Phase 2: Git audit (uncommitted/unpushed detection)
- Phase 3: Branch cleanup
- Phase 4: Mail notification to Mayor
- Code at risk detection with escalation
- Beads-only changes considered safe
- Updated gt swarm land to use full protocol
Closes gt-kmn.6
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- gt swarm create: Create swarm from beads epic with workers
- gt swarm start: Activate a created swarm
- gt swarm status: Show detailed swarm info with task progress
- gt swarm list: List swarms with filtering by rig/status
- gt swarm land: Manually trigger landing to target branch
- gt swarm cancel: Cancel an active swarm
- SwarmStore: JSON-based persistence for swarm state
- Support for --json output on status and list commands
Closes gt-kmn.7
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
