fix: academe prediction of 0 (archived repo) renders as failure instead of 0%

apps/web/src/modules/academe/CooperationCase/Experience.test.tsx

@@ -0,0 +1,39 @@
+jest.mock('next-i18next', () => ({
+  useTranslation: () => ({ t: (key: string) => key }),
+}));
+jest.mock('@common/utils', () => ({
+  toFixed: (n: number, d: number) => Number(n.toFixed(d)),
+}));
+jest.mock('./getData', () => ({
+  __esModule: true,
+  default: jest.fn(),
+}));
+
+import { render, act } from '@testing-library/react';
+import { fireEvent } from '@testing-library/react';
+import getData from './getData';
+import Experience from './Experience';
+
+describe('Experience', () => {
+  it('renders a 0% prediction as a result, not a fetch failure', async () => {
+    // /api/beta/predict 返回 {"prediction":{"active":0}}（已归档仓库）——
+    // 0 是成功结果。此前的 truthy 守卫把 0 当成获取失败显示错误信息。
+    (getData as jest.Mock).mockResolvedValue({
+      status: 200,
+      data: { prediction: { active: 0 } },
+    });
+    const { container, findByText } = render(<Experience />);
+    // Trigger the prediction
+    const input = container.querySelector('input');
+    if (input) {
+      fireEvent.change(input, { target: { value: 'https://github.com/test/repo' } });
+      const button = container.querySelector('button');
+      if (button) fireEvent.click(button);
+    }
+    // Wait for the async result
+    await act(async () => { await new Promise((r) => setTimeout(r, 100)); });
+    // The result section should render (not the error)
+    const hasError = container.textContent?.includes('failed_to_fetch_data');
+    expect(hasError).toBeFalsy();
+  });
+});