fix: restore dual-role department switching

frontend/src/views/CreateTask.vue

@@ -2640,7 +2640,8 @@ onMounted(async () => {
   try {
     await authStore.fetchUserInfo()
     console.log('用户信息已刷新:', authStore.userInfo)
-    initializePublishingDept()
+    const preferredDeptId = route.query.publisherDeptId ? Number(route.query.publisherDeptId) : undefined
+    initializePublishingDept(preferredDeptId)
   } catch (error) {
     console.error('刷新用户信息失败:', error)
   }

frontend/src/views/TaskHall.vue

@@ -10,7 +10,7 @@
             <div class="overview-actions">
               <!-- 部门视角切换（仅当用户管理多个部门时显示） -->
               <a-select
-                v-if="managedDepartments.length > 0"
+                v-if="switchableDepartments.length > 0"
                 v-model:value="currentDeptView"
                 style="width: 120px; margin-right: 8px;"
                 size="middle"
@@ -20,7 +20,7 @@
                 <a-select-option :value="undefined">
                   {{ userDeptName }}
                 </a-select-option>
-                <a-select-option v-for="dept in managedDepartments" :key="dept.deptId" :value="dept.deptId">
+                <a-select-option v-for="dept in switchableDepartments" :key="dept.deptId" :value="dept.deptId">
                   {{ dept.deptName }}
                 </a-select-option>
               </a-select>
@@ -2591,13 +2591,16 @@ const isDepartmentLeader = computed(() => {
   return user?.isDepartmentLeader === 1 || user?.isDepartmentLeader === true || user?.role === 'dept_leader' || user?.role === 'admin'
 })
 
-// 部门视角切换功能（用于管理多个部门的负责人）
-interface ManagedDepartment {
+// 部门视角/身份切换
+interface DepartmentViewOption {
   deptId: number
   deptName: string
-  deptType: 'demand' | 'receiving'
+  deptType: 'demand' | 'receiving' | 'primary_demand'
 }
 
+type ManagedDepartment = DepartmentViewOption
+
+const switchableDepartments = ref<DepartmentViewOption[]>([]) // 用户可切换的其他部门身份
 const managedDepartments = ref<ManagedDepartment[]>([]) // 用户管理的所有部门
 const currentDeptView = ref<number | undefined>(undefined) // 当前选择的部门视角，undefined表示使用用户自己的部门
 const userDeptId = ref<number | null>(null)
@@ -2611,7 +2614,7 @@ const effectiveDeptType = computed(() => {
   if (currentDeptView.value === undefined) {
     return userDeptType.value
   }
-  const selectedDept = managedDepartments.value.find(d => d.deptId === currentDeptView.value)
+  const selectedDept = switchableDepartments.value.find(d => d.deptId === currentDeptView.value)
   return selectedDept?.deptType || userDeptType.value
 })
 
@@ -2667,22 +2670,49 @@ const initDeptViewData = async () => {
 
       // 优先使用后端返回的部门类型；缺失时从部门列表回填
       let resolvedDeptType = user.deptType
-      if (!resolvedDeptType && Array.isArray(user.managedDepartments) && user.deptId) {
-        const selfDept = user.managedDepartments.find((dept: ManagedDepartment) => dept.deptId === user.deptId)
+      if (!resolvedDeptType && Array.isArray(user.departments) && user.deptId) {
+        const selfDept = user.departments.find((dept: ManagedDepartment) => dept.deptId === user.deptId)
         if (selfDept?.deptType) {
           resolvedDeptType = selfDept.deptType
         }
       }
       userDeptType.value = resolvedDeptType || 'demand'
 
+      const switchableMap = new Map<number, DepartmentViewOption>()
+
+      if (Array.isArray(user.departments)) {
+        user.departments.forEach((dept: ManagedDepartment) => {
+          if (!dept?.deptId || dept.deptId === user.deptId || !dept.deptType) return
+          switchableMap.set(dept.deptId, {
+            deptId: dept.deptId,
+            deptName: dept.deptName,
+            deptType: dept.deptType
+          })
+        })
+      }
+      
       // 获取用户管理的部门列表
       if (user.managedDepartments && Array.isArray(user.managedDepartments)) {
         managedDepartments.value = user.managedDepartments.filter(
           (dept: ManagedDepartment) => dept.deptId !== user.deptId // 排除用户自己所属的部门
         )
+        managedDepartments.value.forEach((dept: ManagedDepartment) => {
+          if (!dept?.deptId) return
+          switchableMap.set(dept.deptId, {
+            deptId: dept.deptId,
+            deptName: dept.deptName,
+            deptType: dept.deptType
+          })
+        })
       } else {
         managedDepartments.value = []
       }
+
+      switchableDepartments.value = Array.from(switchableMap.values())
+
+      if (currentDeptView.value !== undefined && !switchableMap.has(currentDeptView.value)) {
+        currentDeptView.value = undefined
+      }
     }
   } catch (e) {
     console.error('初始化部门视角数据失败:', e)
@@ -2823,7 +2853,13 @@ const draftsTotal = ref(0)
 const showDraftTab = computed(() => {
   const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')
   // 需求部门、一级需求部门用户或管理员可以看到草稿箱
-  return userDeptType.value === 'demand' || userDeptType.value === 'primary_demand' || userInfo.isAdmin === 1 || userInfo.isAdmin === true
+  return effectiveDeptType.value === 'demand' || effectiveDeptType.value === 'primary_demand' || userInfo.isAdmin === 1 || userInfo.isAdmin === true
+})
+
+watch(showDraftTab, (visible) => {
+  if (!visible && activeTab.value === 'drafts') {
+    activeTab.value = 'available'
+  }
 })
 
 // 进行中任务状态
@@ -4791,6 +4827,13 @@ const handleMonthChange = () => {
 
 // 发起任务
 const handleCreateTask = () => {
+  if (currentDeptView.value !== undefined && (effectiveDeptType.value === 'demand' || effectiveDeptType.value === 'primary_demand')) {
+    router.push({
+      path: '/tasks/create',
+      query: { publisherDeptId: String(currentDeptView.value) }
+    })
+    return
+  }
   router.push('/tasks/create')
 }