fix: keep birthdays and show Shamsi dates

Imported customers keep their birthday, and assistant text plus remaining calendars use the Jalali date.

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

apps/api/src/integrations/montify/sync.service.ts

@@ -15,6 +15,7 @@ import type {
   MontifySyncResultDto,
   MontifyTransactionDto,
 } from '@mento/shared';
+import { parseBirthDate } from '../../common/excel';
 import { PrismaService } from '../../prisma/prisma.service';
 import { normalizeEmail, normalizePhone } from '../../contacts/normalize';
 import { carryPreviousSource } from '../../contacts/person-source';
@@ -487,6 +488,9 @@ export class MontifySyncService {
           ...(mobile && (ownedByStore || !person.mobile) ? { mobile } : {}),
           ...(email && (ownedByStore || !person.email) ? { email } : {}),
           ...(str(c.job) && !person.position ? { position: str(c.job) } : {}),
+          ...(!person.birthDate && parseBirthDate(profile.birthday)
+            ? { birthDate: parseBirthDate(profile.birthday) }
+            : {}),
           addresses: merged as Prisma.InputJsonValue,
           tags,
           ...(!existingLink && !ownedByStore && !person.previousImportSource
@@ -511,6 +515,7 @@ export class MontifySyncService {
           tags: [row.label],
           importSource: 'montify',
           sourceRef: externalId,
+          birthDate: parseBirthDate(profile.birthday),
         },
       });
       personId = created.id;