Fix: Make backend data parsing more robust

backend/server.js

@@ -37,7 +37,11 @@ app.get('/api/domains', async (req, res) => {
         const data = await s3.getObject(params).promise();
         const fileContent = data.Body.toString('utf-8');
         const domains = fileContent.split('\n').filter(line => line).map(line => {
-            const [domain, type] = line.split(' ');
+            // Trim the line to remove any leading/trailing whitespace, including \r
+            // And split by any whitespace to be more robust
+            const parts = line.trim().split(/\s+/);
+            const domain = parts[0] || '';
+            const type = parts[1] || '';
             return { domain, type };
         });
         res.json(domains);