fix:提交修复6个问题

server/dukang-api/src/modules/iam/auth.service.ts

@@ -217,8 +217,14 @@ export class AuthService {
       if (existing) throw new BadRequestException('该手机号已绑定门店');
       return;
     }
-    if (scene === SmsScene.PARTNER_LOGIN || scene === SmsScene.PARTNER_STAFF_ADD) {
+    if (scene === SmsScene.PARTNER_LOGIN) {
       await this.assertPartnerAccountByPhone(phone);
+      return;
+    }
+    if (scene === SmsScene.PARTNER_STAFF_ADD) {
+      const existing = await this.prisma.partnerAccount.findUnique({ where: { phone } });
+      if (existing) throw new BadRequestException('该手机号已被使用');
+      return;
     }
   }
 
@@ -602,6 +608,7 @@ export class AuthService {
       name: account.name,
       phone: account.phone,
       isPrimary: account.isPrimary === 1,
+      staffRole: account.staffRole ?? undefined,
       companyName: account.partner.companyName,
     });
   }
@@ -1152,6 +1159,7 @@ export class AuthService {
       name: account.name,
       phone: account.phone,
       isPrimary: account.isPrimary === 1,
+      staffRole: account.staffRole ?? undefined,
       companyName: account.partner.companyName,
     });
   }