docs: update project-status with integration status (2026-10-14)

docs/project-status.md

@@ -108,6 +108,14 @@ not waived. UI/CSRF, scanner, missing-file replacement/removal, immutable confir
 manifests and publication recovery remain separate. This is not issue, M2 or M3
 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.
+
 ## Important implementation findings
 
 - `LegacyGuessedImportGroupingAdapter` now isolates the importer's first-directory