本轮完成“考点与考场变更审批”原生迁移：

GET/POST/PATCH /api/admin/centers
PATCH /api/admin/center-change-requests/{id}
校级数据范围、班级管理员禁用
省市区县及结构化考场校验
正式档案和待审申请代码去重
多级工作流分配、通过与拒绝
终审时原子更新流程、审计、考点及考场
新增开关 ADMIN_NATIVE_CENTERS_ENABLED=false

tests/Eis.Infrastructure.Tests/Administration/AdminMigrationOptionsTests.cs

@@ -151,6 +151,21 @@ public sealed class AdminMigrationOptionsTests
         }, legacyNoticeWritesEnabled: "true");
     }
 
+    [Fact]
+    public void EnablesCentersWithReadsAndSharedSessions()
+    {
+        WithEnvironment("true", null, null, () =>
+        {
+            var options = AdminMigrationOptions.FromEnvironment(
+                configuredNativeReadsEnabled: false,
+                authenticationNativeEnabled: true,
+                sharesLegacySessions: true);
+
+            Assert.True(options.NativeReadsEnabled);
+            Assert.True(options.NativeCentersEnabled);
+        }, centersEnabled: "true");
+    }
+
     private static void WithEnvironment(
         string? nativeReadsEnabled,
         string? nativeOrganizationWritesEnabled,
@@ -159,7 +174,8 @@ public sealed class AdminMigrationOptionsTests
         string? accountBatchesEnabled = null,
         string? configurationEnabled = null,
         string? noticeManagementEnabled = null,
-        string? legacyNoticeWritesEnabled = null)
+        string? legacyNoticeWritesEnabled = null,
+        string? centersEnabled = null)
     {
         var previousNativeReadsEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_READS_ENABLED");
         var previousNativeOrganizationWritesEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_ORGANIZATION_WRITES_ENABLED");
@@ -167,6 +183,7 @@ public sealed class AdminMigrationOptionsTests
         var previousConfigurationEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_CONFIGURATION_ENABLED");
         var previousNoticeManagementEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_NOTICE_MANAGEMENT_ENABLED");
         var previousLegacyNoticeWritesEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_NOTICE_WRITES_ENABLED");
+        var previousCentersEnabled = Environment.GetEnvironmentVariable("ADMIN_NATIVE_CENTERS_ENABLED");
         var previousAllowMemory = Environment.GetEnvironmentVariable("ADMIN_NATIVE_ALLOW_MEMORY");
         try
         {
@@ -176,6 +193,7 @@ public sealed class AdminMigrationOptionsTests
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_CONFIGURATION_ENABLED", configurationEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_NOTICE_MANAGEMENT_ENABLED", noticeManagementEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_NOTICE_WRITES_ENABLED", legacyNoticeWritesEnabled);
+            Environment.SetEnvironmentVariable("ADMIN_NATIVE_CENTERS_ENABLED", centersEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_ALLOW_MEMORY", allowMemory);
             test();
         }
@@ -187,6 +205,7 @@ public sealed class AdminMigrationOptionsTests
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_CONFIGURATION_ENABLED", previousConfigurationEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_NOTICE_MANAGEMENT_ENABLED", previousNoticeManagementEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_NOTICE_WRITES_ENABLED", previousLegacyNoticeWritesEnabled);
+            Environment.SetEnvironmentVariable("ADMIN_NATIVE_CENTERS_ENABLED", previousCentersEnabled);
             Environment.SetEnvironmentVariable("ADMIN_NATIVE_ALLOW_MEMORY", previousAllowMemory);
         }
     }