feat: 桌面端工作计划/商机/要客列表新增搜索框

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/src/views/desktop/WorkPlans.vue

@@ -27,6 +27,9 @@ const planStatuses = ['计划中', '已完成', '已取消']
 // ── Filters ──
 const filterManager = ref('')
 const filterStatus = ref('')
+const searchText = ref('')
+
+function onSearch() { loadPlans() }
 
 const isLight = computed(() => themeStore.currentTheme === 'light')
 
@@ -107,7 +110,9 @@ async function handleQuickCreate() {
 async function loadPlans() {
   loading.value = true
   try {
-    const res = await api.get('/work-plans/')
+    const params: any = {}
+    if (searchText.value) params.search = searchText.value
+    const res = await api.get('/work-plans/', { params })
     workPlans.value = res.data
   } catch (e: any) { ElMessage.error('加载失败') }
   finally { loading.value = false }
@@ -200,6 +205,9 @@ async function quickStatusChange(row: any, newStatus: string) {
     <!-- Filter Bar -->
     <div class="filter-bar">
       <div class="filter-row">
+        <div class="filter-item">
+          <el-input v-model="searchText" placeholder="搜索..." clearable size="small" style="width:180px" @keyup.enter="onSearch" @clear="onSearch" />
+        </div>
         <div class="filter-item">
           <label class="filter-label">客户经理</label>
           <el-select v-model="filterManager" clearable placeholder="全部" size="small" style="width:150px">