docs: update project-status with merge and issue closure (2026-10-14)

docs/project-status.md

@@ -110,11 +110,12 @@ completion, and does not authorize integration.
 
 ## Integration status — 2026-10-14
 
-Branch `catalog-shared-contracts` pushed to origin (commit `a829d6e`). PR available at
-https://git.keithsolomon.net/keith/MeshVault/pulls/new/catalog-shared-contracts.
-Local integration into `main` not yet performed; awaiting user direction on merge
-strategy and issue closure. Previously closed: #6, #7, #8, #9, #11, #23. No new
-closures implied by this commit; #28 partial progress only.
+Branch `catalog-shared-contracts` fast-forward merged to `main` (commit `46d347b`).
+Pushed to origin/main. Previously closed: #6, #7, #8, #9, #11, #23.
+
+**Newly closed:** #28 (catalog core contracts — all three bullets have evidence:
+transactional multipart aggregate, shared service contracts consumed by import/metadata/status,
+explicit reassignment/rollback/FK evidence). Remaining open: #14, #15, #18, #20, #29, #30, #46, #47.
 
 ## Important implementation findings