zl-q
f07e307e82
Replace abandoned iOS App Store route with CREEM Merchant of Record payment integration for web-based credits purchase. Backend changes: - Add CreemClient for CREEM API communication - Add CreemService for checkout creation and webhook handling - Add creem_transactions table for payment tracking - Fix webhook payload parsing (id, order.id, customer.id structure) - Integrate with existing points ledger system Frontend changes: - Display dynamic prices from CREEM API - Support decimal price formatting (e.g., $1.00) - Add checkout flow with redirect to CREEM hosted page