파트너 온보딩 위자드로 신규 사용자 초기 설정 완료율 향상

// 온보딩 단계 관리
const STEPS = ['profile', 'fee', 'coupon', 'invite'];

async function checkAndShowOnboarding() {
    const res = await fetch('/api/onboarding/status');
    const { currentStep, completed } = await res.json();

    if (!completed) {
        showOnboardingModal(STEPS[currentStep]);
    }
}

async function completeStep(step) {
    await fetch('/api/onboarding/complete', {
        method: 'POST',
        body: JSON.stringify({ step })
    });
    const nextStep = STEPS.indexOf(step) + 1;
    if (nextStep < STEPS.length) showOnboardingModal(STEPS[nextStep]);
    else closeOnboarding();
}