docs(01.1-01): complete event bus foundation plan

Tasks completed: 3/3
- Install and configure Vitest test framework
- Create EventBus port interface and EventEmitter adapter
- Define domain events with typed payloads and tests

SUMMARY: .planning/phases/01.1-hexagonal-architecture/01.1-01-SUMMARY.md

.planning/STATE.md

@@ -10,27 +10,28 @@ See: .planning/PROJECT.md (updated 2026-01-30)
 ## Current Position
 
 Phase: 1.1 of 8 (Hexagonal Architecture - INSERTED)
-Plan: 0 of 6 in current phase
-Status: Planned (6 plans in 3 waves)
-Last activity: 2026-01-30 — Planned Phase 1.1
+Plan: 1 of 6 in current phase
+Status: In progress
+Last activity: 2026-01-30 — Completed 01.1-01-PLAN.md
 
-Progress: ██████████ 71%
+Progress: ██████████░ 73%
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 5
+- Total plans completed: 6
 - Average duration: 3 min
-- Total execution time: 15 min
+- Total execution time: 18 min
 
 **By Phase:**
 
 | Phase | Plans | Total | Avg/Plan |
 |-------|-------|-------|----------|
 | 1 | 5/5 | 15 min | 3 min |
+| 1.1 | 1/6 | 3 min | 3 min |
 
 **Recent Trend:**
-- Last 5 plans: 01-01 (2 min), 01-02 (1 min), 01-03 (0 min), 01-04 (5 min), 01-05 (7 min)
+- Last 5 plans: 01-02 (1 min), 01-03 (0 min), 01-04 (5 min), 01-05 (7 min), 01.1-01 (3 min)
 - Trend: Steady
 
 ## Accumulated Context
@@ -44,6 +45,7 @@ Recent decisions affecting current work:
 - 01-02: Task 2 required no code changes - existing bin config was correct
 - 01-04: Log directory structure ~/.cw/logs/{processId}/ with timestamp prefixes
 - 01-05: Used node:http instead of Express for minimal server footprint
+- 01.1-01: EventBus is PORT, EventEmitterBus is ADAPTER for swappability
 
 ### Pending Todos
 
@@ -62,5 +64,5 @@ None yet.
 ## Session Continuity
 
 Last session: 2026-01-30
-Stopped at: Completed 01-05-PLAN.md (Phase 1 complete)
+Stopped at: Completed 01.1-01-PLAN.md (Event Bus Foundation)
 Resume file: None