📚 feat: Add Source Citations for File Search in Agents (#8652)

* feat: Source Citations for file_search in Agents

* Fix: Added citation limits and relevance score to app service. Removed duplicate tests

* ✨ feat: implement Role-level toggle to optionally disable file Source Citation in Agents

* 🐛 fix: update mock for librechat-data-provider to include PermissionTypes and SystemRoles

---------

Co-authored-by: “Praneeth <praneeth.goparaju@slalom.com>

client/src/components/Web/__tests__/SourcesErrorBoundary.test.tsx

@@ -0,0 +1,67 @@
+import React from 'react';
+import { render, screen, fireEvent } from '@testing-library/react';
+import '@testing-library/jest-dom';
+import SourcesErrorBoundary from '../SourcesErrorBoundary';
+
+// Component that throws an error for testing
+const ThrowError = ({ shouldThrow }: { shouldThrow: boolean }) => {
+  if (shouldThrow) {
+    throw new Error('Test error');
+  }
+  return <div data-testid="normal-component">{'Normal component'}</div>;
+};
+
+// Mock window.location.reload
+const mockReload = jest.fn();
+Object.defineProperty(window, 'location', {
+  value: {
+    reload: mockReload,
+  },
+  writable: true,
+});
+
+describe('SourcesErrorBoundary - NEW COMPONENT test', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+    // Suppress error console logs during tests
+    jest.spyOn(console, 'error').mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  it('should render children when there is no error', () => {
+    render(
+      <SourcesErrorBoundary>
+        <ThrowError shouldThrow={false} />
+      </SourcesErrorBoundary>,
+    );
+
+    expect(screen.getByTestId('normal-component')).toBeInTheDocument();
+  });
+
+  it('should render default error UI when error occurs', () => {
+    render(
+      <SourcesErrorBoundary>
+        <ThrowError shouldThrow={true} />
+      </SourcesErrorBoundary>,
+    );
+
+    expect(screen.getByText('Sources temporarily unavailable')).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'Reload the page' })).toBeInTheDocument();
+  });
+
+  it('should reload page when refresh button is clicked', () => {
+    render(
+      <SourcesErrorBoundary>
+        <ThrowError shouldThrow={true} />
+      </SourcesErrorBoundary>,
+    );
+
+    const refreshButton = screen.getByRole('button', { name: 'Reload the page' });
+    fireEvent.click(refreshButton);
+
+    expect(mockReload).toHaveBeenCalled();
+  });
+});