feat(app): 按错误码展示中英印尼文案

test/core/error_text_test.dart

@@ -0,0 +1,29 @@
+// Author: fruit.com.cn
+
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/formatting/error_text.dart';
+import 'package:fruitshorts/l10n/app_localizations.dart';
+
+void main() {
+  test('should_keep_login_failure_message_when_code_is_business', () async {
+    final l10n = await AppLocalizations.delegate.load(const Locale('zh'));
+
+    expect(
+      userFacingApiMessage(l10n, 100000, '账号或密码错误'),
+      '账号或密码错误',
+    );
+    expect(userFacingApiMessage(l10n, 500, '系统异常'), l10n.authServerError);
+
+    final english = await AppLocalizations.delegate.load(const Locale('en'));
+    expect(
+      userFacingApiMessage(english, 100000, '账号或密码错误'),
+      'Incorrect account or password',
+    );
+    final indonesian = await AppLocalizations.delegate.load(const Locale('id'));
+    expect(
+      userFacingApiMessage(indonesian, 100000, '账号或密码错误'),
+      'Akun atau kata sandi salah',
+    );
+  });
+}