feat: add DISC profiles and a sales copilot as an org module

Help reps capture a customer's likely behavior style and get negotiation guidance, with the feature gated from super admin.

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

apps/api/src/contacts/dto.ts

@@ -80,6 +80,12 @@ export class ListQueryDto {
   @IsOptional()
   @IsIn(['1', 'true', '0', 'false'])
   hasMobile?: string;
+
+  /** فیلتر تیپ DISC غالب یا ترکیبی، مثل D یا D/C */
+  @IsOptional()
+  @IsString()
+  @MaxLength(12)
+  disc?: string;
 }
 
 class CompanyExtraFieldsDto {