widerrufsbelehrung hinzugefügt und in den checkout mit eingebunden. refund ins backend eingebaut.

app/Services/Paddle/PaddleTransactionService.php

@@ -33,6 +33,21 @@ class PaddleTransactionService
         ];
     }
 
+    /**
+     * Issue a refund for a Paddle transaction.
+     *
+     * @param  array{reason?: string|null}  $options
+     * @return array<string, mixed>
+     */
+    public function refund(string $transactionId, array $options = []): array
+    {
+        $payload = array_filter([
+            'reason' => $options['reason'] ?? null,
+        ], static fn ($value) => $value !== null && $value !== '');
+
+        return $this->client->post("/transactions/{$transactionId}/refunds", $payload);
+    }
+
     /**
      * @param  array<string, mixed>  $transaction
      * @return array<string, mixed>