- Remove PayPal payment option from checkout
- Add qr_string and qr_expires_at columns to orders table
- Update create-payment to store QR string in database
- Update pakasir-webhook to clear QR string after payment
- Simplify Checkout to redirect to order detail page
- Clean up unused imports and components
Flow:
1. User checks out with QRIS (only option)
2. Order created with payment_method='qris'
3. QR string stored in database
4. User redirected to Order Detail page
5. QR code displayed in-app with polling
6. After payment, QR string cleared, access granted
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
eba37df4d7