test(app): cover routing and secure socks migrations

Cover legacy Auto and ASS preference migration, authenticated SOCKS session generation and the stock-runtime Xray SOCKS schema so future runtime changes cannot silently restore the old fixed-port/no-auth behavior.

test/xray_socks_schema_test.dart

@@ -0,0 +1,18 @@
+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  test('stock runtime patch validates the current SOCKS5 users schema', () {
+    final source = File(
+      'tool/patch_flutter_vless_secure_socks_v2.dart',
+    ).readAsStringSync();
+
+    expect(source, contains('settings.optJSONArray("users")'));
+    expect(source, contains('settings.optString("auth") != "password"'));
+    expect(source, contains('inbound.optString("listen") != "127.0.0.1"'));
+    expect(source, contains('account.optString("user").isEmpty()'));
+    expect(source, contains('account.optString("pass").isEmpty()'));
+    expect(source, isNot(contains('settings.optJSONArray("accounts")')));
+  });
+}