docs(P1): checkpoint — execute complete (REQ-229)

---ci---
project: acdl
phase: 1
milestone: v1.19
status: execute
---/ci---

.ciagent/CHECKPOINT.json

@@ -1,13 +1,12 @@
 {
-  "phase": 7,
-  "stage": "complete",
-  "milestone": "v1.18",
-  "phase_role": "final",
+  "phase": 1,
+  "stage": "execute",
+  "milestone": "v1.19",
+  "phase_role": "execution",
   "attempts": 0,
-  "updated_at": "2026-08-06T01:00:00Z",
-  "milestone_complete": true,
-  "tag": "v1.17.7",
-  "release_id": 529,
-  "requirements": ["REQ-214", "REQ-215", "REQ-216", "REQ-217", "REQ-218", "REQ-219", "REQ-220", "REQ-221", "REQ-222", "REQ-223", "REQ-224", "REQ-225", "REQ-226", "REQ-227", "REQ-228"],
-  "notes": "v1.18 milestone complete. 5 user-directed inputs: (1) S&P Global theme restored, (2) PDLC-upstream scope made explicit, (3) RACI matrix (3 roles, co-owned release), (4) submission-readiness schema + validator (superset gate), (5) Atelier integration (9 skills + MCP server plugin-registry + vendored v0.3.6 + agentic validation beyond Wiz/Checkmarx/Mend). 15 requirements satisfied. 32 tests pass. PPTX committed + release-attached on every deck change (REQ-228). 10 decisions locked (D-133..D-142). Hard constraint honored: DO NOT make anything up."
+  "updated_at": "2026-08-06T19:30:00Z",
+  "milestone_complete": false,
+  "tag": null,
+  "requirements": ["REQ-229"],
+  "notes": "v1.19 P1 complete: scripts/sync_to_nova.sh replaces sync_to_gl.sh. Manual-only 2nd-release pipeline into ~/nova (separate GitLab repo, consumer/platform-team audience). Consumer subset rsync, 13 fixed-order domain commits via positional -m, conventional-commit validation. 8 new tests pass (TestSyncToNovaScript). Pre-existing test_attestation_event_emission failure (env-dependent: NOVA_ATTESTATION_SIGNING_KEY_ID unset, D-089) reproduced on clean main — unrelated. Next: P2 final-review-ship -> tag v1.18.0."
 }