feat: improve backup management, settings UI, and Twilio webhooks

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/Frontend/src/components/database-management/backup-destination-manager.tsx

@@ -105,7 +105,10 @@ export function BackupDestinationManager() {
   const backupNowMutation = useMutation({
     mutationFn: async () => {
       const res = await apiRequest("POST", "/api/database-management/backup-path");
-      if (!res.ok) throw new Error((await res.json()).error || "Backup failed");
+      if (!res.ok) {
+        const body = await res.json();
+        throw new Error(body.details || body.error || "Backup failed");
+      }
       return res.json();
     },
     onSuccess: (data) => {