Make business profile address postal code optional.

Allow empty or missing postalCode on profile addresses so saves are not blocked by MinLength validation.

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

src/business-profile/business-profile.service.ts

@@ -494,7 +494,7 @@ export class BusinessProfileService {
         province: item.province.trim(),
         city: item.city.trim(),
         address: item.address.trim(),
-        postalCode: item.postalCode.trim(),
+        postalCode: item.postalCode?.trim() || null,
         landline: item.landline?.trim() || null,
       };
 

src/business-profile/dto/update-business-profile.dto.ts

@@ -71,9 +71,10 @@ class BusinessAddressDto {
   @MinLength(1)
   address!: string;
 
+  @IsOptional()
   @IsString()
-  @MinLength(1)
+  @MaxLength(20)
-  postalCode!: string;
+  postalCode?: string | null;
 
   @IsOptional()
   @IsString()