fix(contacts): treat Iranian mobile formats as one person

Tahesab import still replaces the name and keeps the previous name.

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

apps/api/src/integrations/tahesab/person-link.service.ts

@@ -9,6 +9,7 @@ import {
 import { Prisma } from '@prisma/client';
 import { PrismaService } from '../../prisma/prisma.service';
 import { carryPreviousSource } from '../../contacts/person-source';
+import { phoneIdentityKeys, storedPhoneNumber } from '../../contacts/normalize';
 import { applyPersonGenderTitle } from '@mento/shared';
 import { TahesabConnectionsService } from './connections.service';
 import {
@@ -577,7 +578,7 @@ export class TahesabPersonLinkService {
     const named = applyPersonGenderTitle({ firstName: name, lastName: '' });
     const firstName = named.firstName;
     const lastName = named.lastName;
-    const mobile = tel || null;
+    const mobile = storedPhoneNumber(tel);
     const sourceRef = String(dto.moshtariCode);
 
     let personId = dto.personId;
@@ -606,8 +607,8 @@ export class TahesabPersonLinkService {
           ...(!existing.birthDate && pickBirthDate(row) ? { birthDate: pickBirthDate(row) } : {}),
           ...(mobile
             ? {
-                mobile: existing.mobile || mobile,
-                phone: existing.phone || mobile,
+                mobile: storedPhoneNumber(existing.mobile) || mobile,
+                phone: storedPhoneNumber(existing.phone) || mobile,
               }
             : {}),
         },
@@ -616,15 +617,18 @@ export class TahesabPersonLinkService {
       // اگر موبایل تکراری است → همان شخص؛ نام قبلی حفظ و نام ته‌حساب جایگزین.
       // شخصی که روی همین اتصال به کد دیگری لینک است کنار گذاشته می‌شود؛
       // وگرنه upsert لینک، کد قبلی را جابه‌جا و آن مشتری را دوباره «واردنشده» می‌کند.
-      const byMobile = mobile
-        ? await this.prisma.person.findFirst({
+      const mobileKeys = phoneIdentityKeys(mobile);
+      const matches = mobileKeys.length
+        ? await this.prisma.person.findMany({
             where: {
               organizationId,
-              OR: [{ mobile }, { phone: mobile }],
+              OR: [{ mobile: { in: mobileKeys } }, { phone: { in: mobileKeys } }],
               accountingLinks: { none: { connectionId: dto.connectionId } },
             },
+            orderBy: { createdAt: 'asc' },
           })
-        : null;
+        : [];
+      const byMobile = matches.find((person) => person.importSource === 'tahesab') ?? matches[0] ?? null;
       if (byMobile) {
         const nameChanged =
           `${byMobile.firstName} ${byMobile.lastName}`.trim() !==