fixt(import): update cancel functions to accept session UUID and modify related tests

frontend/src/api/__tests__/npmImport.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { cancelNPMImport } from '../npmImport';
+import client from '../client';
+
+vi.mock('../client', () => ({
+  default: {
+    post: vi.fn(),
+  },
+}));
+
+describe('npmImport API', () => {
+  const mockedPost = vi.mocked(client.post);
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('cancelNPMImport posts cancel endpoint with required session_uuid body', async () => {
+    const sessionUUID = 'npm-session-123';
+    mockedPost.mockResolvedValue({});
+
+    await cancelNPMImport(sessionUUID);
+
+    expect(client.post).toHaveBeenCalledWith('/import/npm/cancel', {
+      session_uuid: sessionUUID,
+    });
+  });
+
+  it('forwards cancelNPMImport errors', async () => {
+    const error = new Error('cancel failed');
+    mockedPost.mockRejectedValue(error);
+
+    await expect(cancelNPMImport('npm-session-123')).rejects.toBe(error);
+  });
+});