iblai-vibe-monetization-checkout

Build the buyer-facing PaywallModal, access-check gate, Stripe checkout flow, and public/guest buy surface for ibl.ai's item-level monetization. Use when the user mentions paywall, checkout, gate content, access check, 402, hard paywall, locked content, PaywallModal, redirect to Stripe, success_url / cancel_url, guest checkout, anonymous buy, public pricing, or selling a single item to logged-out visitors. See…