feat: 新增装机绑定功能与权限、BOM工序配置

1.  新增装机绑定实体与相关CRUD逻辑，支持工件工序物料绑定/解绑
2.  为BOM物料新增装配工序字段，支持按工序校验绑定
3.  扩展权限表，新增父权限码字段支持菜单按钮关联
4.  统一各页面帮助弹窗参数，新增角色管理帮助文档
5.  新增公共格式化工具函数，优化侧边栏菜单展开逻辑
6.  新增工位终端绑定代理接口与MES内部绑定API
7.  修复主入口数据库连接与schema初始化逻辑，新增一键迁移工具

bj_power_mes/ent/bomitem.go

@@ -30,6 +30,8 @@ type BomItem struct {
 	Unit string `json:"unit,omitempty"`
 	// ManageMode holds the value of the "manageMode" field.
 	ManageMode string `json:"manageMode,omitempty"`
+	// 装配工序 1~12，0=不参与工位绑定
+	ProcessCode int `json:"processCode,omitempty"`
 	// 单台用量
 	UnitQty float64 `json:"unitQty,omitempty"`
 	// 损耗率%
@@ -52,7 +54,7 @@ func (*BomItem) scanValues(columns []string) ([]any, error) {
 			values[i] = new([]byte)
 		case bomitem.FieldUnitQty, bomitem.FieldLossRate, bomitem.FieldRequiredQty:
 			values[i] = new(sql.NullFloat64)
-		case bomitem.FieldID:
+		case bomitem.FieldID, bomitem.FieldProcessCode:
 			values[i] = new(sql.NullInt64)
 		case bomitem.FieldProductCode, bomitem.FieldMaterialCode, bomitem.FieldMaterialName, bomitem.FieldSpec, bomitem.FieldUnit, bomitem.FieldManageMode:
 			values[i] = new(sql.NullString)
@@ -115,6 +117,12 @@ func (_m *BomItem) assignValues(columns []string, values []any) error {
 			} else if value.Valid {
 				_m.ManageMode = value.String
 			}
+		case bomitem.FieldProcessCode:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for field processCode", values[i])
+			} else if value.Valid {
+				_m.ProcessCode = int(value.Int64)
+			}
 		case bomitem.FieldUnitQty:
 			if value, ok := values[i].(*sql.NullFloat64); !ok {
 				return fmt.Errorf("unexpected type %T for field unitQty", values[i])
@@ -201,6 +209,9 @@ func (_m *BomItem) String() string {
 	builder.WriteString("manageMode=")
 	builder.WriteString(_m.ManageMode)
 	builder.WriteString(", ")
+	builder.WriteString("processCode=")
+	builder.WriteString(fmt.Sprintf("%v", _m.ProcessCode))
+	builder.WriteString(", ")
 	builder.WriteString("unitQty=")
 	builder.WriteString(fmt.Sprintf("%v", _m.UnitQty))
 	builder.WriteString(", ")