Add user profile resolution

tests/commands.users.test.ts

@@ -209,4 +209,44 @@ describe('users commands', () => {
     expect(payload.nextCursor).toBeNull();
     expect(followingSpy).toHaveBeenCalledTimes(2);
   });
+
+  it('prints a single profile as JSON', async () => {
+    const program = new Command();
+    registerUserCommands(program, baseCtx);
+    const profileSpy = vi.spyOn(TwitterClient.prototype, 'getUserProfile').mockResolvedValue({
+      success: true,
+      profile: { id: '1', username: 'alpha', name: 'Alpha' },
+    });
+
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    await program.parseAsync(['node', 'bird', 'user', '@alpha', '--json']);
+
+    expect(profileSpy).toHaveBeenCalledWith('@alpha');
+    expect(JSON.parse(String(logSpy.mock.calls[0]?.[0]))).toMatchObject({
+      id: '1',
+      username: 'alpha',
+      name: 'Alpha',
+    });
+  });
+
+  it('prints batch profiles with per-target errors as JSON', async () => {
+    const program = new Command();
+    registerUserCommands(program, baseCtx);
+    const profilesSpy = vi.spyOn(TwitterClient.prototype, 'getUserProfiles').mockResolvedValue({
+      success: true,
+      results: [
+        { target: 'alpha', profile: { id: '1', username: 'alpha', name: 'Alpha' } },
+        { target: 'missing', error: 'not found' },
+      ],
+    });
+
+    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    await program.parseAsync(['node', 'bird', 'profiles', 'alpha', 'missing', '--json']);
+
+    expect(profilesSpy).toHaveBeenCalledWith(['alpha', 'missing']);
+    expect(JSON.parse(String(logSpy.mock.calls[0]?.[0]))).toEqual({
+      users: [{ id: '1', username: 'alpha', name: 'Alpha' }],
+      errors: [{ target: 'missing', error: 'not found' }],
+    });
+  });
 });