Adds the Engineer component that polls for ready merge-requests and
processes them according to the merge queue design.
Features:
- Main loop that queries `bd ready` for merge-request type issues
- Configurable poll_interval and max_concurrent from rig config.json
- Graceful shutdown via context cancellation or Stop() method
- Claims MRs via `bd update --status=in_progress` before processing
- Handles success/failure with appropriate status updates
Configuration (in rig config.json merge_queue section):
- poll_interval: duration string (default "30s")
- max_concurrent: number (default 1)
- enabled, target_branch, run_tests, test_command, etc.
Also adds ReadyWithType() to beads package for type-filtered queries.
Note: ProcessMR() and handleFailure() are placeholders - full
implementation in gt-3x1.2 and gt-3x1.4.
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- Update MRStatus to use beads-style statuses (open, in_progress, closed)
- Add CloseReason enum for tracking why MRs were closed
- Implement ValidateTransition() to enforce valid state transitions:
- open → in_progress (Engineer claims MR)
- in_progress → closed (merge success or rejection)
- in_progress → open (failure, reassign to worker)
- open → closed (manual rejection)
- closed → anything is blocked (immutable once closed)
- Add convenience methods: Claim(), Close(), Reopen(), SetStatus()
- Add status check methods: IsClosed(), IsOpen(), IsInProgress()
- Update ProcessMR and completeMR to use new state transition methods
- Update display code to handle new status values
- Add comprehensive tests for state transitions
Reference: docs/merge-queue-design.md#state-machine
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Mail commands (send/inbox/read/delete) now wrap bd mail CLI
- Address translation: mayor/ → mayor, rig/polecat → rig-polecat
- Beads stores messages as type=message issues
- Legacy JSONL mode retained for crew workers (local mail)
- Refinery notifications use new mail interface
- Swarm landing notifications use new mail interface
Closes gt-u1j.6, gt-u1j.12
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- notifyWorkerConflict: Mail worker with rebase instructions on conflict
- notifyWorkerMerged: Mail worker on successful merge
- findTownRoot: Walk up to find workspace for mail routing
- High priority notification for conflicts
- Integrates with mail system for agent communication
This completes the semantic merge handling for MVP - conflicts
are intelligently handled by notifying workers rather than
silently failing.
Closes gt-kmn.4
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- internal/refinery: Types for Refinery, MergeRequest, queue items
- internal/refinery: Manager with start/stop/status/queue operations
- gt refinery start: Start refinery for a rig (--foreground option)
- gt refinery stop: Stop running refinery
- gt refinery status: Show refinery state and statistics
- gt refinery queue: Show pending merge requests
- Auto-discover polecat work branches as queue items
- JSON output support for status and queue commands
Closes gt-rm3
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