feat: 完成客户第12条需求+多系统改造

1. 新增预警表添加工单号字段，支持按工单号检索预警
2. 添加工单过滤在制品/绩效报表/预警中心查询
3. 补全WMS台账字段口径与权限配置
4. 修复备料单与数量不符处理流程
5. 新增配送进度/库位联动/自动出库功能
6. 修复AGV配送状态更新逻辑
7. 优化退料与库存管理细节

bj_power_wms/internal/handler/stock.go

@@ -1085,3 +1085,49 @@ func shortageHandler(ctx *svc.ServiceContext) http.HandlerFunc {
 		ok(w, map[string]any{"list": rows, "total": len(rows)})
 	}
 }
+
+// listStockBatchesInternalHandler GET /api/internal/stock/batches?materialCode=&zoneCode=
+// 供 MES「工单备料自动出库」分配批次用：返回该物料可出库的批次明细（结构件）与可用 SN 列表（电气件）。
+// 结构件按批次号升序（FIFO）；统一质量门禁：仅「合格」库存可出库，未检/不合格/待退不返回。
+func listStockBatchesInternalHandler(ctx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		materialCode := strings.TrimSpace(r.URL.Query().Get("materialCode"))
+		if materialCode == "" {
+			fail(w, http.StatusBadRequest, "materialCode 必填")
+			return
+		}
+		q := ctx.EntClient.Inventory.Query().
+			Where(
+				inventory.MaterialCodeEQ(materialCode),
+				inventory.QuantityGT(0),
+				inventory.QualityStatusEQ(QStatusPass),
+			)
+		if zc := strings.TrimSpace(r.URL.Query().Get("zoneCode")); zc != "" {
+			q = q.Where(inventory.ZoneCodeEQ(zc))
+		}
+		rows, err := q.Order(ent.Asc("batch_no"), ent.Asc("created_at")).All(ctx0())
+		if err != nil {
+			fail(w, http.StatusInternalServerError, err.Error())
+			return
+		}
+		batches := make([]map[string]any, 0, len(rows))
+		sns := make([]string, 0, len(rows))
+		for _, inv := range rows {
+			avail := inv.Quantity - inv.LockedQty
+			if avail <= 0 {
+				continue
+			}
+			if inv.ManageMode == 2 {
+				if inv.SnCode != "" {
+					sns = append(sns, inv.SnCode)
+				}
+				continue
+			}
+			batches = append(batches, map[string]any{
+				"batchNo": inv.BatchNo, "quantity": inv.Quantity, "lockedQty": inv.LockedQty,
+				"avail": avail, "zoneCode": inv.ZoneCode, "qualityStatus": inv.QualityStatus,
+			})
+		}
+		ok(w, map[string]any{"batches": batches, "snList": sns})
+	}
+}