fix: add overview API mock handler + fix CI tests

frontend/src/pages/__tests__/OverviewPage.test.tsx

@@ -8,22 +8,27 @@ vi.mock('react-router-dom', async () => {
 });
 
 describe('OverviewPage', () => {
-  it('renders reading progress', async () => {
+  it('renders with paper data', async () => {
     renderWithProviders(<OverviewPage />);
     await waitFor(() => {
-      expect(screen.getByText(/Reading Progress/i)).toBeInTheDocument();
+      expect(screen.getByText(/Test Paper/i)).toBeInTheDocument();
     });
   });
-  it('shows recently added papers', async () => {
+
+  it('shows reading progress bar', async () => {
     renderWithProviders(<OverviewPage />);
     await waitFor(() => {
-      expect(screen.getByText(/Recently Added/i)).toBeInTheDocument();
+      // Progress bar shows "Completed" label from papers_by_reading
+      expect(screen.getByText(/Completed/i)).toBeInTheDocument();
     });
   });
-  it('shows reading goals card', async () => {
+
+  it('shows stats from overview data', async () => {
     renderWithProviders(<OverviewPage />);
     await waitFor(() => {
-      expect(screen.getByText(/Reading Goals/i)).toBeInTheDocument();
+      // Total papers is 5 from mock
+      const fives = screen.getAllByText('5');
+      expect(fives.length).toBeGreaterThanOrEqual(1);
     });
   });
 });

frontend/src/test/mocks/handlers.ts

@@ -37,6 +37,22 @@ export const handlers = [
       ),
     ),
   ),
+  http.get(`${apiBase}/projects/:id/overview`, () =>
+    HttpResponse.json(
+      mockResponse({
+        total_papers: 5,
+        papers_by_status: { pending: 2, indexed: 3 },
+        papers_by_reading: { unread: 1, reading: 1, completed: 3 },
+        papers_by_year: { 2024: 3, 2023: 2 },
+        avg_citations: 42,
+        recent_papers: [
+          { title: 'Test Paper', year: 2024, reading_status: 'read', added_at: '2024-01-15T00:00:00Z' },
+        ],
+        keyword_count: 3,
+        subscription_count: 1,
+      }),
+    ),
+  ),
   http.post(`${apiBase}/projects`, async ({ request }) => {
     const body = (await request.json()) as Record<string, unknown>;
     return HttpResponse.json(

frontend/src/test/setup.ts

@@ -2,10 +2,17 @@ import '@testing-library/jest-dom';
 import { cleanup } from '@testing-library/react';
 import { afterEach, beforeAll, afterAll } from 'vitest';
 import { server } from './mocks/server';
+import i18n from '@/i18n';
+
+beforeAll(async () => {
+  server.listen({ onUnhandledRequest: 'bypass' });
+  // Force English for consistent test assertions
+  await i18n.changeLanguage('en');
+});
 
-beforeAll(() => server.listen({ onUnhandledRequest: 'bypass' }));
 afterEach(() => {
   cleanup();
   server.resetHandlers();
 });
+
 afterAll(() => server.close());