修复产量页面下拉框：el-select选项改为value/label属性以匹配API返回格式

frontend/src/views/production/MachineProduction.vue

@@ -13,18 +13,19 @@
         />
       </el-form-item>
       <el-form-item label="车间">
-        <el-select v-model="filters.workshopId" placeholder="请选择车间" clearable style="min-width:200px">
+        <el-select v-model="filters.workshopId" value-key="value" placeholder="请选择车间" clearable style="min-width:200px">
           <el-option
             v-for="w in options.workshops"
-            :key="w.id"
-            :label="w.name"
-            :value="w.id"
+            :key="w.value"
+            :label="w.label"
+            :value="w.value"
           />
         </el-select>
       </el-form-item>
       <el-form-item label="机床">
         <el-select
           v-model="filters.machineId"
+          value-key="value"
           placeholder="请选择机床"
           clearable
           filterable
@@ -32,9 +33,9 @@
         >
           <el-option
             v-for="m in options.machines"
-            :key="m.id"
-            :label="m.name"
-            :value="m.id"
+            :key="m.value"
+            :label="m.label"
+            :value="m.value"
           />
         </el-select>
       </el-form-item>
@@ -174,8 +175,8 @@ interface MachineProductionItem {
 
 /** 下拉选项 */
 interface DropdownOption {
-  id: number
-  name: string
+  value: string
+  label: string
 }
 
 // ---------- 状态 ----------

frontend/src/views/production/WorkerProduction.vue

@@ -15,6 +15,7 @@
       <el-form-item label="员工">
         <el-select
           v-model="filters.workerId"
+          value-key="value"
           placeholder="请选择员工"
           clearable
           filterable
@@ -22,9 +23,9 @@
         >
           <el-option
             v-for="w in workerOptions"
-            :key="w.id"
-            :label="w.name"
-            :value="w.id"
+            :key="w.value"
+            :label="w.label"
+            :value="w.value"
           />
         </el-select>
       </el-form-item>
@@ -163,8 +164,8 @@ interface WorkerProductionItem {
 
 /** 员工下拉选项 */
 interface WorkerOption {
-  id: number | string
-  name: string
+  value: string
+  label: string
 }
 
 // ==================== 响应式状态 ====================