feat: add PostgreSQL web installation wizard

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

@@ -10,7 +10,6 @@ import com.kaidi.oa.repository.HrRecruitCandidateRepository;
 import com.kaidi.oa.repository.HrRecruitJobRepository;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.core.annotation.Order;
-import org.springframework.stereotype.Component;
 
 import java.time.Instant;
 import java.time.LocalDate;
@@ -25,7 +24,7 @@ import java.time.LocalDate;
  *   - HrInterviewQuestion 5 条面试题（AI 生成标记）
  *   - HrAiDocDraft       4 条 AI 生成文档（入职资料/岗位说明/员工手册/转正考核，多状态）
  */
-@Component
+@DemoSeed
 @Order(203)
 public class HrRecruitSeeder implements CommandLineRunner {