SDK — Auth Module

const res = await client.auth.login({
  email:    'vendor@example.com',
  password: 'your-password',
});
// JWT is stored automatically in the client

client.auth.logout(); // clears the stored JWT

await client.auth.sendOtp({ mobile: '9876543210' });

await client.auth.verifyOtp({ mobile: '9876543210', otp: '123456' });

await client.auth.register({
  name:     'My Company',
  email:    'vendor@example.com',
  mobile:   '9876543210',
  password: 'secure-password',
});

await client.auth.changePassword({
  currentPassword: 'old-pass',
  newPassword:     'new-pass',
});

await client.auth.resetPassword({ email: 'vendor@example.com', otp: '123456', newPassword: 'new-pass' });