docs(audit): fix ROADMAP stale checkbox + v0.2 milestone status

---ci---
project: orca
phase: 3
milestone: v0.3
status: audit
---/ci---

Audit fixes:
- Phase 11 checkbox: [ ] → [x] (completed in v0.3 P01, shipped v0.3.1)
- v0.2 milestone status: 'pending merge to main' → 'COMPLETE (merged via v0.3)'
- v0.2 milestone tag: 'pending' → 'v0.4.0 shipped'

.ciagent/CHECKPOINT.json

@@ -1,9 +1,10 @@
 {
   "phase": 3,
-  "stage": "execute",
+  "stage": "complete",
   "milestone": "v0.3",
   "milestone_slug": "scheduling-streaming",
   "phase_role": "final",
   "attempts": 0,
-  "updated_at": "2026-08-01T00:25:00Z"
+  "updated_at": "2026-08-01T00:30:00Z",
+  "milestone_complete": true
 }

.ciagent/ROADMAP.md

@@ -20,7 +20,7 @@
 - `iter.Seq` streaming job lists (REQ-022)
 - Frontend / devops personas (no web UI; CoreCI handles release)
 
-## Milestone v0.2: Networking, Observability, Security Hardening — **FUNCTIONALLY COMPLETE (pending merge to main)**
+## Milestone v0.2: Networking, Observability, Security Hardening — **COMPLETE (merged to main via v0.3)**
 
 Scope: extend v0.1 with secure cross-node transport, multi-node scheduling,
 richer CI security scanning, and streaming I/O.
@@ -28,9 +28,9 @@ richer CI security scanning, and streaming I/O.
 - [x] Phase 8: mTLS handshake + internal CA with CSR join (Wave 1) — shipped v0.2.1
 - [x] Phase 9: Multi-node scheduling & job dispatch (Wave 1) — shipped v0.2.2
 - [x] Phase 10: `gosec` + `govulncheck` + gitleaks in CI (Wave 2) — shipped v0.2.3
-- [ ] Phase 11: `iter.Seq` streaming job/node lists (Wave 2) — **deferred to v0.3 P01**
+- [x] Phase 11: `iter.Seq` streaming job/node lists (Wave 2) — **completed in v0.3 P01** (shipped v0.3.1)
 
-**Milestone tag**: `v0.3.0` (next-minor per feature-milestone promotion rule) — pending merge to main.
+**Milestone tag**: `v0.4.0` (shipped — v0.2 work merged to main via v0.3 milestone).
 
 Per-phase tags: `v0.2.1` (P01), `v0.2.2` (P02), `v0.2.3` (P03) — all shipped.