docs(P00): ship phase 0 — v0.8.0 tagged, released, merged to milestone/v0.9-rearchitecture

---ci---
project: orca
phase: 0
milestone: v0.9
status: complete
---/ci---

.ciagent/CHECKPOINT.json

@@ -1,11 +1,20 @@
 {
   "phase": 0,
-  "stage": "grill",
+  "stage": "complete",
   "milestone": "v0.9",
   "milestone_slug": "rearchitecture",
   "phase_role": "pre_execution",
   "attempts": 0,
-  "updated_at": "2026-08-05T02:20:00Z",
+  "updated_at": "2026-08-05T02:25:00Z",
   "milestone_complete": false,
-  "next_milestone": null
+  "next_milestone": null,
+  "ship": {
+    "tag": "v0.8.0",
+    "release_created": true,
+    "release_url": "https://git.cloudinit.dev/coreci/orca/releases/tag/v0.8.0",
+    "merged_to_milestone": true,
+    "phase_branch_deleted": true
+  },
+  "next_phase": "P00",
+  "next_phase_gate": "C-04 sizing estimate must run before P00 execution (40 phases exceeds 35-phase split threshold)"
 }