fix(export): use direct content endpoint for PDF statement downloads

ts/bunq.classes.export.ts

@@ -111,25 +111,15 @@ export class BunqExport {
       throw new Error('Export ID not set');
     }
 
-    // First get the export details to find the attachment
-    const exportDetails = await this.get();
-    
-    if (!exportDetails.attachment || exportDetails.attachment.length === 0) {
-      throw new Error('Export has no attachment');
-    }
+    // For PDF statements, use the /content endpoint directly
+    const downloadUrl = `${this.bunqAccount.apiContext.getBaseUrl()}/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/customer-statement/${this.id}/content`;
 
-    const attachmentUuid = exportDetails.attachment[0].attachment_public_uuid;
-    
-    // Download the attachment content
-    const response = await plugins.smartrequest.request(
-      `${this.bunqAccount.apiContext.getBaseUrl()}/v1/attachment-public/${attachmentUuid}/content`,
-      {
-        method: 'GET',
-        headers: {
-          'X-Bunq-Client-Authentication': this.bunqAccount.apiContext.getSession().getContext().sessionToken
-        }
+    const response = await plugins.smartrequest.request(downloadUrl, {
+      method: 'GET',
+      headers: {
+        'X-Bunq-Client-Authentication': this.bunqAccount.apiContext.getSession().getContext().sessionToken
       }
-    );
+    });
 
     return Buffer.from(response.body);
   }