docs(ship): P0 complete — v0.3.0 tagged, release 475

---ci---
project: atelier
phase: 0
milestone: v0.4
status: complete
phase_role: pre_execution
phase_tag: v0.3.0
release_id: 475
---/ci---

.ciagent/CHECKPOINT.json

@@ -1,13 +1,15 @@
 {
   "phase": 0,
-  "stage": "plan",
+  "stage": "complete",
   "milestone": "v0.4",
   "phase_role": "pre_execution",
   "project": "atelier",
   "attempts": 0,
-  "updated_at": "2026-08-05T05:20:00Z",
+  "updated_at": "2026-08-05T05:25:00Z",
   "milestone_complete": false,
   "milestone_branch": "milestone/v0.4-edge-quantum-langs",
   "phase_branch": "phase/00-pre-execution",
-  "tag_base": "v0.3"
+  "tag_base": "v0.3",
+  "phase_tag": "v0.3.0",
+  "release_id": 475
 }

.ciagent/atelier/ROADMAP.md

@@ -130,7 +130,7 @@ NFR milestone: no separate minor tag. The final patch (v0.2.6) IS the v0.3 deliv
 
 | Phase | Name | Type | Status | Key Deliverables |
 |-------|------|------|--------|------------------|
-| 0 | Pre-Execution | docs | active | Spec, clarify, research, ideate, plan, PERSONAS.md (adds edge-engineer + languages-engineer phase-specific personas) |
+| 0 | Pre-Execution | docs | complete | Spec, clarify, research, ideate, plan, PERSONAS.md (adds edge-engineer + languages-engineer phase-specific personas) — shipped v0.3.0 |
 | 1 | Edge Domain | docs | pending | domains/edge/{first-principles, cdn, offline-first, iot, sync}.md |
 | 2 | Messaging Domain | docs | pending | domains/messaging/{first-principles, queues, pubsub, streams, delivery-semantics}.md |
 | 3 | Language-Derived Extension | docs | pending | languages/ × 4 → first-principles + 4 derived docs each (16 derived docs) |