test(ui): qualify flat mail rows and recorded application context

docs/ui-modernisation/visual-correction/ROUTE_COVERAGE.json

@@ -137,10 +137,10 @@
       "owners": [
         "CorrespondenceInboxPage"
       ],
-      "visualStatus": "REVIEWED_MATERIAL_FLAT_SUCCESSOR_PENDING",
-      "afterStatus": "PASSED:36 configurations /216 combined states on b31ce617; later37-test flat-mail working tree not built or qualified",
+      "visualStatus": "FLAT_RECORDED_CONTEXT_SCOPED_REVIEW_FULL_ACCEPTANCE_OPEN",
+      "afterStatus": "PASSED:36 configurations /144 mail-only states,39 native cases; grammar and complete states/journeys remain open",
       "functionalCriteria": "Original preservation register retained; no capability acceptance promotion",
-      "evidence": "evidence/documents-inbox/BROWSER.json; CAREER_DOCUMENT_ACTIVITY.md"
+      "evidence": "evidence/mail-flat/BROWSER.json; MAIL_FLAT.md"
     },
     {
       "route": "/correspondence/review",
@@ -372,7 +372,7 @@
       "Automation per-user persisted-contract gap remains open"
     ],
     "/correspondence": [
-      "Unbuilt flat-mail successor",
+      "Count-chip singular/plural correction",
       "Embedded review suggestions and error/empty/conflict states"
     ],
     "/admin/audit": [