feat: 重构BOM架构，新增基础设置与虚拟工位管理功能

本次重构删除原有BOM物料清单表，改用工单工艺组合×工艺物料清单作为唯一用料来源；新增系统基础设置表支持WMS地址、日志保留天数等配置，新增虚拟工位作业管理后台接口与前端页签控制功能，同时优化工位号校验逻辑、事件日志自动清理与工单用料查询能力。

bj_power_mes/internal/handler/processcard_model.go

@@ -13,7 +13,6 @@ import (
 
 	"bj_power_mes/common/httpx"
 	"bj_power_mes/ent"
-	"bj_power_mes/ent/bomitem"
 	"bj_power_mes/ent/processflow"
 	"bj_power_mes/ent/processstep"
 	"bj_power_mes/ent/station"
@@ -267,56 +266,43 @@ func buildModelCard(ctx context.Context, svcCtx *svc.ServiceContext, productType
 		card.Stations = append(card.Stations, ms)
 	}
 
-	// 5) 物料清单（按 BOM 名称分组；工艺清单经 flow_material + process_flow 映射）
+	// 5) 物料清单（按工艺分组的工艺物料清单——唯一用料来源）
 	if productCode != "" {
-		// 物料编码 → 使用该物料的工艺名列表（工艺物料清单是装配绑定的唯一依据）
-		flowNames := map[string][]string{}
-		if fms, e := client.FlowMaterial.Query().All(ctx); e == nil {
-			flowAll, _ := client.ProcessFlow.Query().All(ctx)
-			nameById := map[int]string{}
-			for _, f := range flowAll {
-				nameById[f.ID] = f.Name
-			}
-			for _, fm := range fms {
-				if n := nameById[fm.FlowId]; n != "" {
-					flowNames[fm.MaterialCode] = append(flowNames[fm.MaterialCode], n)
-				}
-			}
+		// 物料分组：按工艺分组的工艺物料清单（BOM 已删除，工艺物料清单是唯一用料来源）
+		flowAll, _ := client.ProcessFlow.Query().All(ctx)
+		nameById := map[int]string{}
+		for _, f := range flowAll {
+			nameById[f.ID] = f.Name
 		}
-		items, _ := client.BomItem.Query().
-			Where(bomitem.ProductCode(productCode)).
-			Order(ent.Asc(bomitem.FieldBomName), ent.Asc(bomitem.FieldMaterialCode)).All(ctx)
-		groupIdx := map[string]int{}
-		for _, it := range items {
-			name := it.BomName
-			if name == "" {
-				name = "默认"
+		if fms, e := client.FlowMaterial.Query().All(ctx); e == nil {
+			groupIdx := map[int]int{}
+			for _, fm := range fms {
+				name := nameById[fm.FlowId]
+				if name == "" {
+					name = "未命名工艺"
+				}
+				gi, ok := groupIdx[fm.FlowId]
+				if !ok {
+					card.BomGroups = append(card.BomGroups, modelBomGroup{BomName: name})
+					gi = len(card.BomGroups) - 1
+					groupIdx[fm.FlowId] = gi
+				}
+				card.BomGroups[gi].Items = append(card.BomGroups[gi].Items, modelBomItem{
+					MaterialCode: fm.MaterialCode,
+					MaterialName: fm.MaterialName,
+					Spec:         fm.Spec,
+					Unit:         fm.Unit,
+					ManageMode:   manageModeCN(fm.ManageMode),
+					FlowNames:    name,
+					UnitQty:      f2s(fm.UnitQty),
+					LossRate:     f2s(fm.LossRate),
+					RequiredQty:  "-",
+				})
 			}
-			gi, ok := groupIdx[name]
-			if !ok {
-				card.BomGroups = append(card.BomGroups, modelBomGroup{BomName: name})
-				gi = len(card.BomGroups) - 1
-				groupIdx[name] = gi
-			}
-			fnames := "-"
-			if ns := flowNames[it.MaterialCode]; len(ns) > 0 {
-				fnames = strings.Join(ns, "、")
-			}
-			card.BomGroups[gi].Items = append(card.BomGroups[gi].Items, modelBomItem{
-				MaterialCode: it.MaterialCode,
-				MaterialName: it.MaterialName,
-				Spec:         it.Spec,
-				Unit:         it.Unit,
-				ManageMode:   manageModeCN(it.ManageMode),
-				FlowNames:    fnames,
-				UnitQty:      f2s(it.UnitQty),
-				LossRate:     f2s(it.LossRate),
-				RequiredQty:  f2s(it.RequiredQty),
-			})
 		}
 	}
 
-	card.Summary = fmt.Sprintf("共 %d 个工位、%d 项检验卡项、%d 份物料清单",
+	card.Summary = fmt.Sprintf("共 %d 个工位、%d 项检验卡项、%d 个工艺物料分组",
 		card.StationCount, len(card.CheckItems), len(card.BomGroups))
 	return card, nil
 }