refactor: 文件路径按pending/approved区分，去掉版本号

- submit: configs/{siteId}/pending/{hash}.json
- approve: 文件移到 configs/{siteId}/approved/{hash}.json

par-api/src/main/java/com/par/api/controller/AdminController.java

@@ -13,6 +13,7 @@ import com.par.core.mapper.SiteMapper;
 import com.par.core.entity.Psk;
 import com.par.core.service.AccountService;
 import com.par.core.service.PskService;
+import com.par.core.storage.CachedStorageService;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -38,6 +39,7 @@ public class AdminController {
     private final SiteMapper siteMapper;
     private final AccountService accountService;
     private final PskService pskService;
+    private final CachedStorageService storageService;
 
     /**
      * 获取所有用户列表
@@ -84,6 +86,14 @@ public class AdminController {
         }
         config.setVersion(String.valueOf(nextVersion));
 
+        // 文件从 pending 移到 approved 路径
+        String approvedPath = config.getStoragePath().replace("/pending/", "/approved/");
+        String content = storageService.read(config.getStoragePath());
+        if (content != null) {
+            storageService.store(approvedPath, content);
+            config.setStoragePath(approvedPath);
+        }
+
         config.setStatus(ConfigStatus.APPROVED);
         config.setReviewerId(reviewerId);
         config.setReviewedAt(LocalDateTime.now());

par-core/src/main/java/com/par/core/service/impl/ConfigServiceImpl.java

@@ -57,7 +57,7 @@ public class ConfigServiceImpl implements ConfigService {
     public SiteConfig submitConfig(String siteId, String version, String configJson,
                                    String schemaVersion, Long submitterId) {
         String configHash = HmacUtil.sha256(configJson);
-        String storagePath = String.format("configs/%s/%s/%s.json", siteId, version, configHash.substring(0, 8));
+        String storagePath = String.format("configs/%s/pending/%s.json", siteId, configHash.substring(0, 8));
 
         // 相同 hash 的提交 → 真正重复，跳过
         SiteConfig sameHash = siteConfigMapper.selectOne(