feat(thank-you-page): convert to client component with confetti and UI enhancements

- Changed from server to client component to enable interactive features like confetti animation
- Removed server-side translations and hardcoded Portuguese text for simplicity
- Added confetti effect on page load and improved success icon with animations
- Updated buttons and share functionality for better user experience
- This enhances the donation thank you page with celebratory elements and client-side interactivity

app/api/webhooks/abacatepay/route.ts

@@ -1,5 +1,6 @@
 import { NextRequest, NextResponse } from "next/server";
 import { abacatePay } from "@/lib/abacatepay";
+import { markAsPaid } from "@/lib/payment-cache";
 
 export async function POST(request: NextRequest) {
   try {
@@ -74,9 +75,8 @@ export async function POST(request: NextRequest) {
 
       console.log("📝 Registro de pagamento:", donationRecord);
 
-      // Registar pixId confirmado (para frontend detectar via localStorage)
-      // O frontend salva pixIds confirmados em localStorage via evento do servidor
-      // Isso permite detecção em tempo real sem polling na API
+      // Salvar no cache para frontend detectar via polling
+      markAsPaid(pixQrCode.id, donationRecord);
 
       // TODO: Quando implementar banco de dados, salvar aqui:
       // await db.donations.create(donationRecord);