feat(spec-helper): align frontend interface with new sequence data and display item counts

inventory-web/src/components/SpecHelper/index.vue

@@ -28,7 +28,10 @@
           :key="item.group"
           class="data-item"
         >
-          <span class="group-tag">{{ item.group }}</span>
+          <div class="item-left">
+            <span class="group-tag">{{ item.group }}</span>
+            <el-tag size="small" type="info">{{ item.count }}项</el-tag>
+          </div>
           <span class="latest-spec">{{ item.latest }}</span>
         </div>
         <el-empty v-if="filteredData.length === 0" description="暂无数据" :image-size="60" />
@@ -46,6 +49,7 @@ import { ElMessage } from 'element-plus'
 interface SpecItem {
   group: string
   latest: string
+  count: number
 }
 
 const expanded = ref(false)
@@ -80,8 +84,8 @@ const filteredData = computed(() => {
   const keyword = filterText.value.toLowerCase()
   return specData.value.filter(
     item =>
-      item.group.toLowerCase().includes(keyword) ||
-      item.latest.toLowerCase().includes(keyword)
+      (item.group && item.group.toLowerCase().includes(keyword)) ||
+      (item.latest && item.latest.toLowerCase().includes(keyword))
   )
 })
 
@@ -171,6 +175,14 @@ onMounted(() => {
   cursor: default;
 }
 
+.item-left {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+  flex: 1;
+}
+
 .data-item:hover {
   background: #f5f7fa;
 }