docs(ship): P2 complete — checkpoint + roadmap status

---ci---
project: atelier
phase: 2
milestone: v0.3
status: complete
phase_tag: v0.2.2
release_id: 470
---/ci---

.ciagent/CHECKPOINT.json

@@ -1,11 +1,11 @@
 {
-  "phase": 1,
+  "phase": 2,
   "stage": "complete",
   "milestone": "v0.3",
   "phase_role": "execution",
   "project": "atelier",
   "attempts": 0,
-  "updated_at": "2026-08-05T03:25:00Z",
-  "phase_tag": "v0.2.1",
-  "release_id": 469
+  "updated_at": "2026-08-05T03:35:00Z",
+  "phase_tag": "v0.2.2",
+  "release_id": 470
 }

.ciagent/atelier/ROADMAP.md

@@ -86,7 +86,7 @@ NFR milestone: no separate minor tag. The final patch (v0.1.5) IS the v0.2 deliv
 |-------|------|------|--------|------------------|
 | 0 | Pre-Execution | docs | complete | Spec, clarify, research, ideate, plan, PERSONAS.md (extends platform-engineer, adds ml-engineer) — shipped v0.2.0 |
 | 1 | GitOps + Operators Domain | docs | complete | domains/gitops-operators/{first-principles, argocd, flux, operators, progressive-delivery}.md — shipped v0.2.1 |
-| 2 | AI/ML Domain | docs | pending | domains/ai-ml/{first-principles, data-versioning, model-evaluation, serving, monitoring-drift}.md |
+| 2 | AI/ML Domain | docs | complete | domains/ai-ml/{first-principles, data-versioning, model-evaluation, serving, monitoring-drift}.md — shipped v0.2.2 |
 | 3 | i18n + Compliance Domains | docs | pending | domains/i18n/{first-principles, locale-resources, formatting, rtl-bidi, testing-i18n}.md, domains/compliance/{first-principles, audit-logs, data-retention, policy-as-code, evidence}.md |
 | 4 | Matrix + Review Integration | docs | pending | matrix/principles-matrix.md (+40 mappings), matrix/domain-coverage.md (incl. C-rule coverage table update), review/{agent-checklist, peer-review-checklist, anti-patterns}.md, MANIFEST.md (+ examples/ listing per ATELIER-91) |
 | 5 | Examples + Cross-Links | docs | pending | examples/good + examples/bad for 4 domains, cross-links to devops/security/observability/data/k8s/iac |