tam 2

server/internal/models/models.go

@@ -179,6 +179,20 @@ type StudentSession struct {
 
 func (StudentSession) TableName() string { return "student_sessions" }
 
+// StudentViolation — ghi nhận SV tắt app / vi phạm môi trường khi đang giám sát
+type StudentViolation struct {
+	ID          uint      `gorm:"primaryKey" json:"id"`
+	CreatedAt   time.Time `json:"createdAt"`
+	StudentRkID int64     `gorm:"column:student_rk_id;not null;index" json:"studentRkId"`
+	ClassRkID   int64     `gorm:"column:class_rk_id;index" json:"classRkId"`
+	Kind        string    `gorm:"column:kind;size:64;not null;index" json:"kind"` // app_closed | unclean_shutdown | multi_monitor | user_switch | session_change | virtual_desktop | wifi | guard
+	Reason      string    `gorm:"column:reason;type:text" json:"reason"`
+	MonitorMode string    `gorm:"column:monitor_mode;size:32" json:"monitorMode"`
+	ClientAt    time.Time `gorm:"column:client_at" json:"clientAt"`
+}
+
+func (StudentViolation) TableName() string { return "student_violations" }
+
 // SystemSetting lưu các cấu hình hệ thống động
 type SystemSetting struct {
 	SettingKey   string    `gorm:"primaryKey;column:setting_key;size:128" json:"settingKey"`