---
phase: 06-coordination
plan: 01
subsystem: coordination
tags: [events, hexagonal, port-adapter, merge-queue]

# Dependency graph
requires:
  - phase: 05-dispatch
    provides: DispatchManager pattern, task events
  - phase: 03-git
    provides: WorktreeManager, MergeResult type
provides:
  - CoordinationManager port interface
  - Four merge lifecycle events (queued, started, completed, conflicted)
  - MergeQueueItem, MergeStatus, MergeResult types
affects: [06-02, 06-03, future-coordination-adapter]

# Tech tracking
tech-stack:
  added: []
  patterns: [port-adapter for coordination, merge lifecycle events]

key-files:
  created: [src/coordination/types.ts, src/coordination/index.ts]
  modified: [src/events/types.ts, src/events/index.ts]

key-decisions:
  - "MergeResult mirrors git MergeResult but adds taskId for coordination context"
  - "Events use merge: prefix to distinguish from worktree: events"

patterns-established:
  - "CoordinationManager follows same port-adapter pattern as EventBus, AgentManager, DispatchManager"
  - "Merge events follow same structure as existing domain events"

# Metrics
duration: 2min
completed: 2026-01-30
---

# Phase 6 Plan 1: Coordination Domain Events & Port Interface Summary

**Four merge lifecycle events and CoordinationManager port interface following hexagonal architecture patterns.**

## Performance

- **Duration:** 2 min
- **Started:** 2026-01-30T20:02:23Z
- **Completed:** 2026-01-30T20:04:07Z
- **Tasks:** 2
- **Files modified:** 4

## Accomplishments
- Added four coordination events to DomainEventMap (MergeQueued, MergeStarted, MergeCompleted, MergeConflicted)
- Created CoordinationManager port interface with full queue management methods
- Established merge coordination types (MergeQueueItem, MergeStatus, MergeResult)
- Maintained hexagonal architecture pattern consistency

## Task Commits

Each task was committed atomically:

1. **Task 1: Add coordination domain events** - `94130a6` (feat)
2. **Task 2: Create CoordinationManager port interface** - `0570d21` (feat)

## Files Created/Modified
- `src/events/types.ts` - Added MergeQueuedEvent, MergeStartedEvent, MergeCompletedEvent, MergeConflictedEvent
- `src/events/index.ts` - Exported new merge events
- `src/coordination/types.ts` - Created CoordinationManager port interface and domain types
- `src/coordination/index.ts` - Module exports following existing patterns

## Decisions Made
- MergeResult type mirrors git MergeResult but includes taskId for coordination-level tracking
- Events use `merge:` prefix to clearly distinguish from `worktree:` events which are lower-level git operations

## Deviations from Plan

None - plan executed exactly as written.

## Issues Encountered

None

## User Setup Required

None - no external service configuration required.

## Next Phase Readiness
- CoordinationManager interface ready for adapter implementation
- Events ready for emission during merge operations
- Ready for 06-02-PLAN.md (InMemoryCoordinationManager adapter)

---
*Phase: 06-coordination*
*Completed: 2026-01-30*
