feat(auth): use Wayne native role APIs

frontend/src/views/businessLine/Assignment.vue

@@ -19,9 +19,6 @@
             <el-option v-for="item in businessLineStore.items" :key="item.id" :label="item.name" :value="item.id" />
           </el-select>
         </el-form-item>
-        <el-form-item label="权限">
-          <el-segmented v-model="grantForm.permission" :options="permissionOptions" />
-        </el-form-item>
         <el-button type="primary" :loading="granting" @click="grantPermission">保存分配</el-button>
       </el-form>
 
@@ -72,18 +69,11 @@ const savingWayneNamespaces = ref(false)
 const grantForm = reactive<{
   target_user_id: number | null
   target_business_line_id: number | null
-  permission: 0 | 1
 }>({
   target_user_id: null,
   target_business_line_id: null,
-  permission: 1,
 })
 
-const permissionOptions = [
-  { label: '管理员', value: 0 },
-  { label: '普通用户', value: 1 },
-]
-
 watch(
   () => businessLineStore.current?.id,
   (id) => {
@@ -139,7 +129,6 @@ async function grantPermission() {
       business_line_id: businessLineID,
       target_user_id: grantForm.target_user_id,
       target_business_line_id: grantForm.target_business_line_id,
-      permission: grantForm.permission,
     })
     ElMessage.success('已保存业务线分配')
   } catch (error) {

frontend/src/views/subsystem/Authorization.vue

@@ -239,10 +239,11 @@ const operatorStateDetail = computed(() => {
 watch(
   () => businessLineStore.current?.id,
   async () => {
+    selectedUserId.value = null
     selectedNamespaceId.value = null
     selectedRoleIds.value = []
     userRoles.value = null
-    await loadBusinessLineData()
+    await Promise.all([loadUsers(), loadBusinessLineData()])
   },
 )
 
@@ -286,14 +287,25 @@ async function loadSystems() {
 }
 
 async function loadUsers() {
+  const businessLineId = currentBusinessLineId.value
+  if (!businessLineId) {
+    users.value = []
+    selectedUserId.value = null
+    return
+  }
   loadingUsers.value = true
   try {
-    users.value = await userApi.list()
+    users.value = await userApi.list({ businessLineId })
     if (!selectedUserId.value && users.value.length) {
       selectedUserId.value = users.value[0].uid
       await loadSelectedUserRoles()
+    } else if (selectedUserId.value && !users.value.some((user) => user.uid === selectedUserId.value)) {
+      selectedUserId.value = users.value[0]?.uid || null
+      await loadSelectedUserRoles()
     }
   } catch (error) {
+    users.value = []
+    selectedUserId.value = null
     ElMessage.error(error instanceof Error ? error.message : '查询用户失败')
   } finally {
     loadingUsers.value = false