feat: 优化库位选择器，支持打开时自动回显至已选层级

inventory-web/src/components/WarehouseSelector.vue

@@ -64,24 +64,34 @@
               v-for="item in currentList"
               :key="item.id"
               class="location-item"
-              @click="handleSelect(item)"
+              :class="{ 'is-selected': item.full_path === modelValue }"
             >
-              <div class="item-left">
-                <el-icon><Location /></el-icon>
+              <!-- 左侧热区：点击进入下级或选中 -->
+              <div
+                class="item-main"
+                :class="{ 'has-children': item.children && item.children.length > 0 }"
+                @click="handleItemClick(item)"
+              >
+                <el-icon class="item-icon"><Location /></el-icon>
                 <span class="item-name">{{ item.name }}</span>
+                <el-icon v-if="item.children && item.children.length > 0" class="item-arrow">
+                  <ArrowRight />
+                </el-icon>
               </div>
-              <div class="item-right">
+              <!-- 右侧操作区 -->
+              <div class="item-actions">
+                <el-tag v-if="!item.children || item.children.length === 0" type="info" size="small">
+                  末级
+                </el-tag>
                 <el-button
-                  v-if="item.children && item.children.length > 0"
+                  v-else
                   type="primary"
-                  link
                   size="small"
                   @click.stop="handleDrillDown(item)"
                 >
                   进入下级
                   <el-icon><ArrowRight /></el-icon>
                 </el-button>
-                <el-tag v-else type="info" size="small">末级</el-tag>
               </div>
             </li>
           </ul>
@@ -136,6 +146,55 @@ const currentList = computed(() => {
   return lastNode?.children || []
 })
 
+// 监听弹窗显示状态，恢复选中层级
+watch(popoverVisible, (visible) => {
+  if (visible) {
+    restoreSelection()
+  }
+})
+
+// 根据 modelValue 恢复选择状态
+const restoreSelection = () => {
+  if (!props.modelValue) {
+    // 无选中值，重置到顶层
+    currentPath.value = []
+    return
+  }
+
+  // 根据 full_path 查找父级路径
+  const path = findPathByFullPath(props.options, props.modelValue)
+  if (path) {
+    // 找到路径：还原 currentPath（不包含最后一个节点，因为它是当前选中的节点）
+    currentPath.value = path
+  } else {
+    // 未找到（可能树结构已变化），重置到顶层
+    currentPath.value = []
+  }
+}
+
+// 根据 full_path 在树中查找从根到目标节点的路径
+const findPathByFullPath = (
+  tree: WarehouseItem[],
+  targetFullPath: string,
+  currentPath: WarehouseItem[] = []
+): WarehouseItem[] | null => {
+  for (const node of tree) {
+    // 检查当前节点是否匹配
+    if (node.full_path === targetFullPath) {
+      return currentPath
+    }
+
+    // 递归检查子节点
+    if (node.children && node.children.length > 0) {
+      const result = findPathByFullPath(node.children, targetFullPath, [...currentPath, node])
+      if (result) {
+        return result
+      }
+    }
+  }
+  return null
+}
+
 // 处理弹窗显示/隐藏
 const handleVisibleChange = (visible: boolean) => {
   popoverVisible.value = visible
@@ -173,6 +232,17 @@ const handleDrillDown = (item: WarehouseItem) => {
   currentPath.value.push(item)
 }
 
+// 点击列表项 - 左侧热区逻辑
+const handleItemClick = (item: WarehouseItem) => {
+  if (item.children && item.children.length > 0) {
+    // 有子节点：进入下一级
+    handleDrillDown(item)
+  } else {
+    // 末级：直接选中
+    handleSelect(item)
+  }
+}
+
 // 选择当前项
 const handleSelect = (item: WarehouseItem) => {
   emit('update:modelValue', item.full_path)
@@ -234,7 +304,7 @@ const handleSelect = (item: WarehouseItem) => {
 }
 
 .selector-body {
-  max-height: 300px;
+  max-height: 320px;
   overflow-y: auto;
 }
 
@@ -254,33 +324,72 @@ const handleSelect = (item: WarehouseItem) => {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 12px 16px;
-  cursor: pointer;
+  border-bottom: 1px solid #f0f0f0;
   transition: background 0.2s;
 }
 
+.location-item:last-child {
+  border-bottom: none;
+}
+
 .location-item:hover {
   background: #f5f7fa;
 }
 
-.item-left {
+/* 选中高亮样式 */
+.location-item.is-selected {
+  background: rgba(64, 158, 255, 0.1);
+}
+
+.location-item.is-selected .item-name {
+  color: #409eff;
+  font-weight: 500;
+}
+
+/* 左侧主热区 - 占80%宽度 */
+.item-main {
+  flex: 1;
   display: flex;
   align-items: center;
   gap: 8px;
+  padding: 14px 12px;
+  cursor: pointer;
+  min-width: 0;
 }
 
-.item-left .el-icon {
+.item-main.has-children {
+  cursor: pointer;
+}
+
+.item-main:hover {
+  background: rgba(64, 158, 255, 0.08);
+}
+
+.item-icon {
   color: #409eff;
+  flex-shrink: 0;
 }
 
 .item-name {
   font-size: 14px;
   color: #303133;
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
-.item-right {
+.item-arrow {
+  color: #c0c4cc;
+  font-size: 12px;
+  flex-shrink: 0;
+}
+
+/* 右侧操作区 */
+.item-actions {
   display: flex;
   align-items: center;
-  gap: 8px;
+  padding-right: 12px;
+  flex-shrink: 0;
 }
 </style>

inventory-web/src/views/dashboard/index.vue

@@ -78,7 +78,7 @@
             node-key="id"
             :props="treeProps"
             :expand-on-click-node="false"
-            :default-expand-all="true"
+            :default-expand-all="false"
           >
             <template #default="{ node, data }">
               <div class="tree-node">