添加了故障名称筛选区域：

在对话框上方添加了一个筛选区域，包含标签和下拉选择框
使用 Element Plus 的 el-select 组件，支持清除和选择功能
添加了相关的响应式变量：

selectedBreakdownName ：存储当前选择的故障名称
uniqueBreakdownNames ：存储所有唯一的故障名称列表
filteredRepairRecords ：存储筛选后的维修记录

src/views/eq/RepairSummary.vue

@@ -49,10 +49,27 @@
       :title="`${selectedEquipmentCode} 维修记录`"
       width="80%"
       :before-close="handleRepairRecordsClose">
+      <!-- 故障名称筛选 -->
+      <div class="breakdown-filter-container">
+        <span class="filter-label">故障名称：</span>
+        <el-select 
+          v-model="selectedBreakdownName" 
+          placeholder="全部故障"
+          clearable
+          @change="filterRecordsByBreakdownName"
+        >
+          <el-option
+            v-for="name in uniqueBreakdownNames"
+            :key="name"
+            :label="name"
+            :value="name"
+          />
+        </el-select>
+      </div>
       <div v-loading="repairRecordsLoading" class="repair-records-container">
         <div v-if="selectedRepairRecords.length > 0">
           <el-table
-            :data="selectedRepairRecords"
+            :data="filteredRepairRecords"
             stripe
             border
             style="width: 100%"
@@ -121,7 +138,10 @@ const repairSummaryList = ref([])
 const repairRecordsDialogVisible = ref(false)
 const repairRecordsLoading = ref(false)
 const selectedRepairRecords = ref([])
+const filteredRepairRecords = ref([])
 const selectedEquipmentCode = ref('')
+const selectedBreakdownName = ref('')
+const uniqueBreakdownNames = ref([])
 
 // 监听设备类型变化
 watch(() => props.selectedEquipmentType, (newVal, oldVal) => {
@@ -203,19 +223,41 @@ const fetchRepairRecords = (equipmentCode) => {
     .then(data => {
       if (data.code === 200 && data.data) {
         selectedRepairRecords.value = data.data
+        filteredRepairRecords.value = data.data
+        
+        // 提取所有唯一的故障名称
+        const breakdownNames = [...new Set(data.data.map(record => record.breakdown_name).filter(Boolean))]
+        uniqueBreakdownNames.value = breakdownNames
       } else {
         selectedRepairRecords.value = []
+        filteredRepairRecords.value = []
+        uniqueBreakdownNames.value = []
       }
     })
     .catch(error => {
       console.error('维修记录API调用失败:', error)
       selectedRepairRecords.value = []
+      filteredRepairRecords.value = []
+      uniqueBreakdownNames.value = []
     })
     .finally(() => {
       repairRecordsLoading.value = false
     })
 }
 
+// 根据故障名称筛选维修记录
+const filterRecordsByBreakdownName = () => {
+  if (!selectedBreakdownName.value) {
+    // 如果没有选择故障名称，显示所有记录
+    filteredRepairRecords.value = [...selectedRepairRecords.value]
+  } else {
+    // 根据选择的故障名称筛选
+    filteredRepairRecords.value = selectedRepairRecords.value.filter(
+      record => record.breakdown_name === selectedBreakdownName.value
+    )
+  }
+}
+
 // 关闭维修记录对话框
 const handleRepairRecordsClose = () => {
   repairRecordsDialogVisible.value = false
@@ -286,6 +328,19 @@ const calculateRepairDuration = (applyTime, repairTime) => {
   color: #66b1ff;
 }
 
+/* 故障名称筛选区域样式 */
+.breakdown-filter-container {
+  display: flex;
+  align-items: center;
+  margin-bottom: 15px;
+  padding: 0 10px;
+}
+
+.filter-label {
+  margin-right: 10px;
+  white-space: nowrap;
+}
+
 /* 维修记录对话框样式 */
 .repair-records-container {
   padding: 10px 0;