style: clean up code formatting and remove trailing whitespace

refactor: reorganize imports and fix type imports

lib/payment-helper.ts

@@ -7,7 +7,7 @@ export function confirmPayment(pixId: string) {
   try {
     // Obter array de pixIds confirmados
     const confirmedStorage = localStorage.getItem("confirmedPixIds");
-    let confirmed: string[] = confirmedStorage
+    const confirmed: string[] = confirmedStorage
       ? JSON.parse(confirmedStorage)
       : [];