refactor(update): 移除版本重复检查并修改发布状态逻辑

- 移除了应用包名和版本号的重复上传检查逻辑
- 修改了发布立即生效时的状态变更机制，改为将其他已发布版本标记为废弃状态
- 新增了按应用键、平台和发布状态查询的方法
- 简化了版本上传时的验证流程，移除了APK文件MD5比较相关代码

update-service/src/main/java/com/xuqm/update/controller/AppVersionController.java

@@ -148,28 +148,6 @@ public class AppVersionController {
         if (platform == AppVersionEntity.Platform.ANDROID && !hasText(apkUrl) && (apkFile == null || apkFile.isEmpty())) {
             throw new IllegalArgumentException("apkUrl or apkFile is required for ANDROID releases");
         }
-        // Duplicate version check
-        if (hasText(resolvedPackageName)) {
-            java.util.Optional<AppVersionEntity> existing = versionRepository
-                    .findByAppKeyAndPlatformAndPackageNameAndVersionCode(
-                            appKey, platform, resolvedPackageName, resolvedVersionCode);
-            if (existing.isPresent()) {
-                throw new IllegalArgumentException(
-                        "版本已存在，不能重复上传：" + resolvedVersionName + " · " + resolvedVersionCode);
-            }
-            // Check if same versionCode exists with any store already live
-            java.util.List<AppVersionEntity> sameCodeVersions = versionRepository
-                    .findByAppKeyAndPlatformAndPackageNameAndVersionCodeAndPublishStatus(
-                            appKey, platform, resolvedPackageName, resolvedVersionCode,
-                            AppVersionEntity.PublishStatus.PUBLISHED);
-            if (!sameCodeVersions.isEmpty() && inspected != null) {
-                // If a published version with same code exists, compare APK md5
-                // This is a conservative check; we can't easily compare md5 here without downloading,
-                // so we just block if same versionCode was ever published
-                throw new IllegalArgumentException(
-                        "应用商店已上线相同版本号，不允许重复上传：" + resolvedVersionName + " · " + resolvedVersionCode);
-            }
-        }
         AppVersionEntity entity = new AppVersionEntity();
         entity.setId(UUID.randomUUID().toString());
         entity.setAppKey(appKey);
@@ -254,6 +232,13 @@ public class AppVersionController {
         AppVersionEntity.PublishStatus previousStatus = entity.getPublishStatus();
         entity.setForceUpdate(forceUpdate);
         if (publishImmediately && (scheduledPublishAt == null || scheduledPublishAt.isBlank())) {
+            for (AppVersionEntity live : versionRepository.findByAppKeyAndPlatformAndPublishStatus(
+                    entity.getAppKey(), entity.getPlatform(), AppVersionEntity.PublishStatus.PUBLISHED)) {
+                if (!live.getId().equals(entity.getId())) {
+                    live.setPublishStatus(AppVersionEntity.PublishStatus.DEPRECATED);
+                    versionRepository.save(live);
+                }
+            }
             entity.setPublishStatus(AppVersionEntity.PublishStatus.PUBLISHED);
             entity.setScheduledPublishAt(null);
         } else {

update-service/src/main/java/com/xuqm/update/repository/AppVersionRepository.java

@@ -43,7 +43,10 @@ public interface AppVersionRepository extends JpaRepository<AppVersionEntity, St
     List<AppVersionEntity> findByAppKeyAndPlatformAndVersionCodeAndIdNot(
             String appKey, AppVersionEntity.Platform platform, int versionCode, String id);
 
-    Optional<AppVersionEntity> findByAppKeyAndPlatformAndPackageNameAndVersionCode(
+    List<AppVersionEntity> findByAppKeyAndPlatformAndPublishStatus(
+            String appKey, AppVersionEntity.Platform platform, AppVersionEntity.PublishStatus status);
+
+    List<AppVersionEntity> findByAppKeyAndPlatformAndPackageNameAndVersionCode(
             String appKey, AppVersionEntity.Platform platform, String packageName, int versionCode);
 
     List<AppVersionEntity> findByAppKeyAndPlatformAndPackageNameAndVersionCodeAndPublishStatus(