feat: add PostgreSQL web installation wizard

oa-backend/src/main/java/com/kaidi/oa/seed/AdminQualElecSeeder.java

@@ -4,7 +4,6 @@ import com.kaidi.oa.domain.QualElecLicense;
 import com.kaidi.oa.repository.QualElecLicenseRepository;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.core.annotation.Order;
-import org.springframework.stereotype.Component;
 
 import java.time.Instant;
 import java.time.LocalDate;
@@ -17,7 +16,7 @@ import java.time.LocalDate;
  *
  * @Order(225) 在所有主数据 Seeder（最高 220）之后运行；幂等（count > 0 跳过）。
  */
-@Component
+@DemoSeed
 @Order(225)
 public class AdminQualElecSeeder implements CommandLineRunner {