fix: preserve selected publishing department across create flow

frontend/src/views/CreateTask.vue

@@ -645,6 +645,7 @@ import { useConfigStore } from '@/stores/config'
 const router = useRouter()
 const route = useRoute()
 const authStore = useAuthStore()
+const TASK_CREATE_PUBLISHER_DEPT_KEY = 'task_create_publisher_dept_id'
 
 // 编辑模式
 const editMode = ref(false)
@@ -869,6 +870,17 @@ const initializePublishingDept = (preferredDeptId?: number) => {
   selectedPublishingDeptId.value = primaryPublishingDept?.deptId || departments[0].deptId
 }
 
+const getPreferredPublishingDeptId = () => {
+  const routeDeptId = route.query.publisherDeptId ? Number(route.query.publisherDeptId) : undefined
+  if (routeDeptId) return routeDeptId
+
+  const storedDeptId = sessionStorage.getItem(TASK_CREATE_PUBLISHER_DEPT_KEY)
+  if (!storedDeptId) return undefined
+
+  const parsedDeptId = Number(storedDeptId)
+  return Number.isNaN(parsedDeptId) ? undefined : parsedDeptId
+}
+
 // 新条码输入框
 const newBarcodeInput = ref('')
 
@@ -2847,8 +2859,7 @@ onMounted(async () => {
   try {
     await authStore.fetchUserInfo()
     console.log('用户信息已刷新:', authStore.userInfo)
-    const preferredDeptId = route.query.publisherDeptId ? Number(route.query.publisherDeptId) : undefined
-    initializePublishingDept(preferredDeptId)
+    initializePublishingDept(getPreferredPublishingDeptId())
   } catch (error) {
     console.error('刷新用户信息失败:', error)
   }
@@ -2888,12 +2899,17 @@ watch(availablePublishingDepartments, (departments) => {
   }
 
   if (!selectedPublishingDeptId.value || !departments.some(dept => dept.deptId === selectedPublishingDeptId.value)) {
-    initializePublishingDept()
+    initializePublishingDept(getPreferredPublishingDeptId())
   }
 }, { immediate: true })
 
 watch(selectedPublishingDeptId, async (deptId, oldDeptId) => {
   if (deptId === oldDeptId) return
+  if (deptId) {
+    sessionStorage.setItem(TASK_CREATE_PUBLISHER_DEPT_KEY, String(deptId))
+  } else {
+    sessionStorage.removeItem(TASK_CREATE_PUBLISHER_DEPT_KEY)
+  }
   await loadTeamScore()
 })
 

frontend/src/views/TaskHall.vue

@@ -2608,6 +2608,7 @@ const userDeptName = ref<string>('')
 const userDeptType = ref<string>('')
 const exportLoading = ref(false) // 导出加载状态
 const withdrawingTaskId = ref<number | null>(null) // 正在撤回的任务ID
+const TASK_CREATE_PUBLISHER_DEPT_KEY = 'task_create_publisher_dept_id'
 
 // 获取当前有效的部门类型（根据选择的视角）
 const effectiveDeptType = computed(() => {
@@ -4827,13 +4828,28 @@ const handleMonthChange = () => {
 
 // 发起任务
 const handleCreateTask = () => {
+  const persistPublisherDeptId = (deptId?: number | null) => {
+    if (deptId) {
+      sessionStorage.setItem(TASK_CREATE_PUBLISHER_DEPT_KEY, String(deptId))
+    } else {
+      sessionStorage.removeItem(TASK_CREATE_PUBLISHER_DEPT_KEY)
+    }
+  }
+
   if (currentDeptView.value !== undefined && (effectiveDeptType.value === 'demand' || effectiveDeptType.value === 'primary_demand')) {
+    persistPublisherDeptId(currentDeptView.value)
     router.push({
       path: '/tasks/create',
       query: { publisherDeptId: String(currentDeptView.value) }
     })
     return
   }
+
+  if (currentDeptView.value === undefined && (userDeptType.value === 'demand' || userDeptType.value === 'primary_demand')) {
+    persistPublisherDeptId(userDeptId.value)
+  } else {
+    persistPublisherDeptId(undefined)
+  }
   router.push('/tasks/create')
 }