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.Web/Program.cs

@@ -56,7 +56,8 @@ var adminMigrationOptions = AdminMigrationOptions.FromEnvironment(
     builder.Configuration.GetValue<bool>("AdminMigration:NativeRegistrationPaymentWritesEnabled"),
     builder.Configuration.GetValue<bool>("AdminMigration:NativeWorkflowOperationsEnabled"),
     builder.Configuration.GetValue<bool>("AdminMigration:NativeExamManagementEnabled"),
-    builder.Configuration.GetValue<bool>("AdminMigration:NativeArrangementsEnabled"));
+    builder.Configuration.GetValue<bool>("AdminMigration:NativeArrangementsEnabled"),
+    builder.Configuration.GetValue<bool>("AdminMigration:NativeResultsEnabled"));
 builder.Services.AddEisInfrastructure(
     DatabaseOptions.FromEnvironment(applicationRoot, builder.Environment.IsProduction()),
     DocumentVerificationOptions.FromEnvironment(builder.Environment.IsProduction()),
@@ -122,6 +123,7 @@ app.MapGet("/health/migration", async (LegacyApiProxy proxy, CancellationToken c
             nativeWorkflowOperationsEnabled = adminMigrationOptions.NativeWorkflowOperationsEnabled,
             nativeExamManagementEnabled = adminMigrationOptions.NativeExamManagementEnabled,
             nativeArrangementsEnabled = adminMigrationOptions.NativeArrangementsEnabled,
+            nativeResultsEnabled = adminMigrationOptions.NativeResultsEnabled,
             nativeRoutes = (adminMigrationOptions.NativeReadsEnabled
                     ? new[] { "GET context", "GET dashboard", "GET schools", "GET school-organization", "GET admins", "GET exams" }
                     : [])
@@ -166,6 +168,13 @@ app.MapGet("/health/migration", async (LegacyApiProxy proxy, CancellationToken c
                         "GET admission exports"
                     }
                     : [])
+                .Concat(adminMigrationOptions.NativeResultsEnabled
+                    ? new[]
+                    {
+                        "GET/POST results", "POST result bulk", "POST/PATCH feature scores",
+                        "PATCH score appeals", "GET result Excel export"
+                    }
+                    : [])
                 .ToArray()
         },
         features = MigrationFeatureCatalog.Current(authenticationOptions.NativeEnabled, candidateMigrationOptions.NativeEnabled)