feat：完善项目

app/common/model/work_instance.go

@@ -12,6 +12,7 @@ type WorkInstance struct {
 	Breakdown   string               `gorm:"column:breakdown;type:varchar(150);default:null;comment:故障" json:"breakdown"`
 	Priority    WorkInstancePriority `gorm:"column:priority;type:tinyint(1);default:1;comment:工单优先级" json:"priority"`
 	Schedule    uint64               `gorm:"column:schedule;type:int(11);default:1;comment:工单进度" json:"schedule"`
+	IsAssist    WorkInstanceAssist   `orm:"column:is_assist;type:tinyint(1);default:0;comment:协助状态" json:"is_assist"` // 当前阶段协助状态，确认是否需要下一阶段协助
 	Status      WorkInstanceStatus   `gorm:"column:status;type:tinyint(1);default:0;comment:工单状态" json:"status"`
 	Remark      string               `gorm:"column:remark;type:varchar(255);default:null;comment:备注信息" json:"remark"`
 	ModelDeleted
@@ -50,6 +51,16 @@ const (
 	WorkInstanceStatusForComplete
 )
 
+// WorkInstanceAssist 协助状态
+type WorkInstanceAssist int
+
+const (
+	// WorkInstanceAssistForNot 否
+	WorkInstanceAssistForNot WorkInstanceAssist = iota
+	// WorkInstanceAssistForYes 是
+	WorkInstanceAssistForYes
+)
+
 func (m *WorkInstance) TableName() string {
 	return "work_instance"
 }