feat: implement two-factor authentication (2FA) support with user login and settings integration

model/main.go

@@ -251,6 +251,8 @@ func migrateDB() error {
 		&QuotaData{},
 		&Task{},
 		&Setup{},
+		&TwoFA{},
+		&TwoFABackupCode{},
 	)
 	if err != nil {
 		return err
@@ -277,6 +279,8 @@ func migrateDBFast() error {
 		{&QuotaData{}, "QuotaData"},
 		{&Task{}, "Task"},
 		{&Setup{}, "Setup"},
+		{&TwoFA{}, "TwoFA"},
+		{&TwoFABackupCode{}, "TwoFABackupCode"},
 	}
 	// 动态计算migration数量，确保errChan缓冲区足够大
 	errChan := make(chan error, len(migrations))