docs(03-02): complete SSE push plan

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -3,15 +3,15 @@ gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
 status: in-progress
-stopped_at: Completed 03-01-PLAN.md
-last_updated: "2026-03-11T17:41:24Z"
-last_activity: 2026-03-11 -- Completed 03-01 (Agent registry domain + REST endpoints)
+stopped_at: Completed 03-02-PLAN.md
+last_updated: "2026-03-11T18:16:10Z"
+last_activity: 2026-03-11 -- Completed 03-02 (SSE push + command delivery)
 progress:
   total_phases: 4
   completed_phases: 2
   total_plans: 9
-  completed_plans: 8
-  percent: 89
+  completed_plans: 9
+  percent: 95
 ---
 
 # Project State
@@ -26,11 +26,11 @@ See: .planning/PROJECT.md (updated 2026-03-11)
 ## Current Position
 
 Phase: 3 of 4 (Agent Registry + SSE Push)
-Plan: 1 of 2 in current phase (agent registry domain + REST endpoints)
-Status: Plan 03-01 complete, Plan 03-02 remaining
-Last activity: 2026-03-11 -- Completed 03-01 (Agent registry domain + REST endpoints)
+Plan: 2 of 2 in current phase (SSE push + command delivery)
+Status: Phase 03 complete, Phase 04 remaining
+Last activity: 2026-03-11 -- Completed 03-02 (SSE push + command delivery)
 
-Progress: [████████░░] 89%
+Progress: [█████████░] 95%
 
 ## Performance Metrics
 
@@ -58,6 +58,7 @@ Progress: [████████░░] 89%
 | Phase 02 P03 | 12min | 2 tasks | 9 files |
 | Phase 02 P04 | 22min | 1 tasks | 5 files |
 | Phase 03 P01 | 15min | 2 tasks | 15 files |
+| Phase 03 P02 | 32min | 2 tasks | 7 files |
 
 ## Accumulated Context
 
@@ -96,6 +97,9 @@ Recent decisions affecting current work:
 - [Phase 03]: AgentInfo as Java record with wither-style methods for immutable ConcurrentHashMap swapping
 - [Phase 03]: Dead threshold measured from staleTransitionTime, not lastHeartbeat
 - [Phase 03]: spring.mvc.async.request-timeout=-1 set proactively for SSE support in Plan 02
+- [Phase 03]: SSE events path excluded from ProtocolVersionInterceptor for EventSource client compatibility
+- [Phase 03]: SseConnectionManager uses reference-equality in emitter callbacks to avoid removing newer emitters
+- [Phase 03]: java.net.http.HttpClient async API for SSE integration tests (no webflux dependency)
 
 ### Pending Todos
 
@@ -110,6 +114,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-03-11T17:41:24Z
-Stopped at: Completed 03-01-PLAN.md
-Resume file: .planning/phases/03-agent-registry-sse-push/03-02-PLAN.md
+Last session: 2026-03-11T18:16:10Z
+Stopped at: Completed 03-02-PLAN.md
+Resume file: .planning/phases/04-security-auth/04-01-PLAN.md