fix: force H5 shell to use canonical web host

test/widget_test.dart

@@ -47,4 +47,22 @@ void main() {
     expect(Uri.splitQueryString(uri.fragment).containsKey('shell_app_logo'),
         isFalse);
   });
+
+  test('rewrites legacy H5 host main-frame URLs to the canonical host', () {
+    final uri = Uri.parse(
+      AppConfig.canonicalizeMainFrameUrl(
+        'https://h5-test.imharry.work/login?from=runtime'
+        '&shell_app_name=Old#shell_app_logo=old',
+      ),
+    );
+
+    expect(uri.scheme, 'https');
+    expect(uri.host, 'h5-im.imharry.work');
+    expect(uri.path, '/login');
+    expect(uri.queryParameters['from'], 'runtime');
+    expect(uri.queryParameters.containsKey('_h5_t'), isTrue);
+    expect(uri.queryParameters.containsKey('shell_app_name'), isFalse);
+    expect(Uri.splitQueryString(uri.fragment).containsKey('shell_app_logo'),
+        isFalse);
+  });
 }