feat: add quantity input for manual stock selection

Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>

inventory-web/src/views/outbound/Selection.vue

@@ -77,6 +77,17 @@
           <el-table-column prop="name" label="名称" />
           <el-table-column prop="standard" label="规格" />
           <el-table-column prop="available_quantity" label="可用库存" />
+          <el-table-column label="本次出库" width="150">
+            <template #default="{ row }">
+              <el-input-number 
+                v-model="row.export_quantity" 
+                :min="1" 
+                :max="row.available_quantity" 
+                size="small" 
+                style="width: 100%"
+              />
+            </template>
+          </el-table-column>
        </el-table>
        <template #footer>
           <el-button @click="manualDialogVisible = false">取消</el-button>
@@ -150,7 +161,8 @@ const openManualSelect = async () => {
         ...i, 
         name: i.name || i.material_name || i.product_name,
         standard: i.standard || i.spec_model,
-        uniqueKey: i.id + '_' + i.type
+        uniqueKey: i.id + '_' + i.type,
+        export_quantity: 1
      }))
      filteredStockData.value = allStockData.value
   }
@@ -169,7 +181,6 @@ const confirmManualAdd = () => {
    const newItems = tempSelection.value.filter(item => 
       !selectedItems.value.find(existing => existing.uniqueKey === item.uniqueKey)
    )
-   newItems.forEach(i => i.export_quantity = 1)
    selectedItems.value.push(...newItems)
    manualDialogVisible.value = false
    tempSelection.value = []