fix: 修复库存盘点已盘数量卡在500的问题

inventory-backend/app/api/v1/inbound/stock.py

@@ -325,11 +325,21 @@ def get_drafts():
     total = len(items)
     start = (page - 1) * limit
     end = start + limit
+
+    # 计算真实的去重"已盘数量"
+    counted_items_set = set()
+    for draft_item in items:
+        if draft_item.get('qty_actual') is not None:
+            unique_key = f"{draft_item.get('source_table', '')}_{draft_item.get('stock_id', '')}"
+            counted_items_set.add(unique_key)
+    total_scanned_unique = len(counted_items_set)
+
     paginated_items = items[start:end]
 
     return jsonify({
         'items': paginated_items,
         'total': total,
+        'total_scanned': total_scanned_unique,
         'page': page,
         'limit': limit
     }), 200

inventory-web/src/views/stock/stocktake/index.vue

@@ -486,6 +486,7 @@ const listData = ref<any[]>([])
 const listStatusFilter = ref<'all' | 'counted' | 'uncounted'>('all')
 const allStockItems = ref<any[]>([])  // 全量应盘物资（盘点基数）
 const totalStockCount = ref(0)  // ★ 全量应盘物资总数（不受limit限制）
+const totalScannedCount = ref(0)  // ★ 后端去重的真实已盘数量
 const allScannedDrafts = ref<any[]>([])  // 全量草稿记录（脱离分页和过滤）
 const listTotalFiltered = ref(0)  // 过滤后的总数
 
@@ -515,18 +516,9 @@ const stats = computed(() => {
   const total = allStockItems.value.length
   if (total === 0) return { total: 0, scanned: 0, varianceItems: 0 }
 
-  // 使用完整的 allScannedDrafts 来计算"已盘"数量，绝对不依赖视图数据
-  const countedItems = new Set()
-  allScannedDrafts.value.forEach((d: any) => {
-    // 只要有实盘记录就算已盘
-    if (d.quantity !== undefined && d.quantity !== null) {
-      countedItems.add(`${d.source_table}-${d.stock_id}`)
-    }
-  })
-
   return {
     total,
-    scanned: countedItems.size,
+    scanned: totalScannedCount.value,
     varianceItems: 0
   }
 })
@@ -1005,6 +997,8 @@ const fetchInventoryList = async (silent = false) => {
 
     // 保存全量草稿记录用于全局统计
     allScannedDrafts.value = scannedDrafts
+    // 直接读取后端算好的去重已盘数
+    totalScannedCount.value = res?.total_scanned || 0
 
     // 2. 使用全量应盘物资列表
     // 对于每个应盘物资，检查是否有对应的盘点记录