const mobileRegister = async (fullname, email, password) => {
  try {
    const response = await fetch('https://api.weir.ai/auth/m/register', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ fullname, email, password })
    });
    
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    
    const data = await response.json();
    return data.data;
  } catch (error) {
    console.error('Mobile registration error:', error);
    throw error;
  }
};

// Usage
const registrationData = await mobileRegister(
  'Jane Smith',
  '[email protected]',
  'SecurePassword123!'
);
console.log('OTP Session:', registrationData.otpSession);