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/ent/station.go

@@ -4,6 +4,7 @@ package ent
 
 import (
 	"bj_power_mes/ent/station"
+	"encoding/json"
 	"fmt"
 	"strings"
 	"time"
@@ -33,6 +34,8 @@ type Station struct {
 	HasDock bool `json:"hasDock,omitempty"`
 	// 接驳台编码 DOCK01..21
 	DockCode string `json:"dockCode,omitempty"`
+	// VisibleTabs holds the value of the "visibleTabs" field.
+	VisibleTabs []string `json:"visibleTabs,omitempty"`
 	// CreatedAt holds the value of the "createdAt" field.
 	CreatedAt    time.Time `json:"createdAt,omitempty"`
 	selectValues sql.SelectValues
@@ -43,6 +46,8 @@ func (*Station) scanValues(columns []string) ([]any, error) {
 	values := make([]any, len(columns))
 	for i := range columns {
 		switch columns[i] {
+		case station.FieldVisibleTabs:
+			values[i] = new([]byte)
 		case station.FieldIsBuiltin, station.FieldHasDock:
 			values[i] = new(sql.NullBool)
 		case station.FieldID, station.FieldStationNo, station.FieldFlowId:
@@ -120,6 +125,14 @@ func (_m *Station) assignValues(columns []string, values []any) error {
 			} else if value.Valid {
 				_m.DockCode = value.String
 			}
+		case station.FieldVisibleTabs:
+			if value, ok := values[i].(*[]byte); !ok {
+				return fmt.Errorf("unexpected type %T for field visibleTabs", values[i])
+			} else if value != nil && len(*value) > 0 {
+				if err := json.Unmarshal(*value, &_m.VisibleTabs); err != nil {
+					return fmt.Errorf("unmarshal field visibleTabs: %w", err)
+				}
+			}
 		case station.FieldCreatedAt:
 			if value, ok := values[i].(*sql.NullTime); !ok {
 				return fmt.Errorf("unexpected type %T for field createdAt", values[i])
@@ -186,6 +199,9 @@ func (_m *Station) String() string {
 	builder.WriteString("dockCode=")
 	builder.WriteString(_m.DockCode)
 	builder.WriteString(", ")
+	builder.WriteString("visibleTabs=")
+	builder.WriteString(fmt.Sprintf("%v", _m.VisibleTabs))
+	builder.WriteString(", ")
 	builder.WriteString("createdAt=")
 	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
 	builder.WriteByte(')')