Fix Jellyfin Login (#76)

src/main/runtime/setup-window-factory.test.ts

@@ -56,6 +56,23 @@ test('createCreateJellyfinSetupWindowHandler builds jellyfin setup window', () =
   });
 });
 
+test('createCreateJellyfinSetupWindowHandler wires optional preload bridge', () => {
+  const captured: { options?: Electron.BrowserWindowConstructorOptions } = {};
+  const createSetupWindow = createCreateJellyfinSetupWindowHandler({
+    createBrowserWindow: (nextOptions) => {
+      captured.options = nextOptions;
+      return { id: 'jellyfin' } as never;
+    },
+    preloadPath: 'C:\\SubMiner\\dist\\preload-jellyfin-setup.js',
+  });
+
+  assert.deepEqual(createSetupWindow(), { id: 'jellyfin' });
+  const options = captured.options;
+  assert.ok(options);
+  assert.equal(options.webPreferences?.preload, 'C:\\SubMiner\\dist\\preload-jellyfin-setup.js');
+  assert.equal(options.webPreferences?.sandbox, true);
+});
+
 test('createCreateAnilistSetupWindowHandler builds anilist setup window', () => {
   let options: Electron.BrowserWindowConstructorOptions | null = null;
   const createSetupWindow = createCreateAnilistSetupWindowHandler({