fix(leads): keep Persian digits when saving contact-form phones

Mixed Persian and Latin digits were stripped down to the Latin part, so some website leads stored a truncated mobile.

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

apps/api/src/contacts/normalize.ts

@@ -1,19 +1,29 @@
-export function emptyToNull(value?: string | null): string | null {␍
+export function emptyToNull(value?: string | null): string | null {
-  if (value == null) return null;␍
+  if (value == null) return null;
-  const trimmed = value.trim();␍
+  const trimmed = value.trim();
-  return trimmed.length ? trimmed : null;␍
+  return trimmed.length ? trimmed : null;
-}␍
+}
-␍
+
-export function normalizeEmail(value?: string | null): string | null {␍
+export function normalizeEmail(value?: string | null): string | null {
-  const v = emptyToNull(value);␍
+  const v = emptyToNull(value);
-  return v ? v.toLowerCase() : null;␍
+  return v ? v.toLowerCase() : null;
-}␍
+}
-␍
+
-/** Keep digits and leading + for Iranian/international numbers. */␍
+const FA_DIGITS = '۰۱۲۳۴۵۶۷۸۹';
-export function normalizePhone(value?: string | null): string | null {␍
+const AR_DIGITS = '٠١٢٣٤٥٦٧٨٩';
-  const v = emptyToNull(value);␍
+
-  if (!v) return null;␍
+/** ارقام فارسی و عربی را به لاتین برمی‌گرداند تا از شماره حذف نشوند. */
-  const cleaned = v.replace(/[^\d+]/g, '');␍
+function latinDigits(value: string): string {
-  return cleaned.length ? cleaned : null;␍
+  return value.replace(/[۰-۹٠-٩]/g, (ch) => {
-}␍
+    const fa = FA_DIGITS.indexOf(ch);
-␍
+    return String(fa >= 0 ? fa : AR_DIGITS.indexOf(ch));
+  });
+}
+
+/** Keep digits and leading + for Iranian/international numbers. */
+export function normalizePhone(value?: string | null): string | null {
+  const v = emptyToNull(value);
+  if (!v) return null;
+  const cleaned = latinDigits(v).replace(/[^\d+]/g, '');
+  return cleaned.length ? cleaned : null;
+}