fix(contacts): keep one customer when Tahesab repeats a mobile

A Tahesab import now updates the person who already has that mobile instead of creating another, and the boot merge runs once more so existing pairs collapse.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/contacts/merge-same-mobile.ts

@@ -26,6 +26,9 @@ const personSelect = {
   companyId: true,
   customFields: true,
   importSource: true,
+  sourceRef: true,
+  previousImportSource: true,
+  previousSourceRef: true,
   loyaltyPoints: true,
   discLabel: true,
   discReliable: true,
@@ -62,6 +65,8 @@ function mergedFields(keeper: PersonRow, extras: PersonRow[], canon: string): Pr
   let showGenderInName = keeper.showGenderInName;
   let previousFirstName = keeper.previousFirstName;
   let previousLastName = keeper.previousLastName;
+  let previousImportSource = keeper.previousImportSource;
+  let previousSourceRef = keeper.previousSourceRef;
   let discLabel = keeper.discLabel;
   let discReliable = keeper.discReliable;
   let discAssessedAt = keeper.discAssessedAt;
@@ -93,6 +98,14 @@ function mergedFields(keeper: PersonRow, extras: PersonRow[], canon: string): Pr
     if (blank(previousLastName) && extra.previousLastName) {
       previousLastName = extra.previousLastName;
     }
+    if (
+      blank(previousImportSource) &&
+      extra.importSource &&
+      extra.importSource !== keeper.importSource
+    ) {
+      previousImportSource = extra.importSource;
+      previousSourceRef = extra.sourceRef;
+    }
     if (
       keeper.importSource === 'tahesab' &&
       blank(previousFirstName) &&
@@ -134,6 +147,8 @@ function mergedFields(keeper: PersonRow, extras: PersonRow[], canon: string): Pr
     showGenderInName,
     previousFirstName,
     previousLastName,
+    previousImportSource,
+    previousSourceRef,
     discLabel,
     discReliable,
     discAssessedAt,