按 examId 延迟加载成绩工作区，未选择考试时不执行排名计算

单条及批量成绩草稿、发布
特长分单条及批量维护
成绩复议多级审批、终审改分、归档锁定
排名、等级、单科达线和考试汇总
成绩台账 Excel 导出
管理范围、超级管理员写权限及事务审计
独立开关 ADMIN_NATIVE_RESULTS_ENABLED

src/Eis.Application/Administration/IAdminResultService.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Nodes;
+
+namespace Eis.Application.Administration;
+
+public interface IAdminResultService
+{
+    Task<AdminEndpointResult> GetAsync(string sessionToken, string examId, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> SaveAsync(string sessionToken, JsonObject body, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> SaveBulkAsync(string sessionToken, JsonObject body, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> SaveFeatureBulkAsync(string sessionToken, JsonObject body, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> SaveFeatureAsync(string sessionToken, string registrationId, JsonObject body, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> ReviewAppealAsync(string sessionToken, string resultId, JsonObject body, CancellationToken cancellationToken);
+    Task<AdminEndpointResult> RefreshCacheAsync(string sessionToken, CancellationToken cancellationToken);
+    Task<AdminDocumentResult> ExportAsync(string sessionToken, string examId, CancellationToken cancellationToken);
+}