优化

src/modules/overseas-warehouse/utils/discardDocuments.ts

@@ -7,7 +7,15 @@ export interface DiscardDocument extends DiscardCandidate {
 /** 下拉按来源单据和操作仓汇总；原始库存身份保留给选箱与提交。 */
 export function groupDiscardDocuments(candidates: DiscardCandidate[]): DiscardDocument[] {
   const groups = new Map<string, DiscardDocument>()
+  const identities = new Set<string>()
   for (const candidate of candidates) {
+    const available = Number(candidate.availablePackages)
+    if (candidate.availablePackages == null || !Number.isFinite(available) || available <= 0) continue
+    // 按真实来源身份去重；缺身份的旧接口行仍独立保留，不合并不同库存。
+    const identity = candidate.sourceType === 'RETURN_CARTON' ? candidate.returnCartonId : candidate.inventoryPositionId || candidate.orderId
+    const sourceKey = identity ? JSON.stringify([candidate.overseasWarehouseId, candidate.sourceType, identity]) : null
+    if (sourceKey && identities.has(sourceKey)) continue
+    if (sourceKey) identities.add(sourceKey)
     const documentNo = candidate.inboundOrderNo || candidate.inboundCode
     const key = JSON.stringify([candidate.overseasWarehouseId, candidate.sourceType, documentNo || candidate.orderId])
     let document = groups.get(key)
@@ -27,7 +35,9 @@ export function groupDiscardDocuments(candidates: DiscardCandidate[]): DiscardDo
       } else if (source.cartonSelectionSupported && source.cartons?.length) {
         for (const box of source.cartons) boxes.add(`${source.sourceType}:${box.cartonId}`)
       } else {
-        untrackedPackages += source.availablePackages
+        // Long 序列化可能返回字符串，必须先转数值再汇总，避免拼成 005010097。
+        const packages = Number(source.availablePackages)
+        untrackedPackages += Number.isFinite(packages) && packages > 0 ? packages : 0
       }
     }
     document.availablePackages = boxes.size + untrackedPackages