Fix training plan generation flow

tests/e2e/app.spec.ts

@@ -23,6 +23,8 @@ test("training page shows plan generation flow", async ({ page }) => {
   await page.goto("/training");
   await expect(page.getByTestId("training-title")).toBeVisible();
   await expect(page.getByTestId("training-generate-button")).toBeVisible();
+  await page.getByTestId("training-generate-button").click();
+  await expect(page.getByText("TestPlayer 的训练计划")).toBeVisible();
 });
 
 test("videos page renders video library items", async ({ page }) => {