fix: remove duplicate senderPhone declaration

src/bot/commands/task.ts

@@ -87,9 +87,6 @@ export async function handleTaskCommand(body: string, sender: string, groupId: s
                   `\nCreada: ${task.createdAt}`
           };
           
-          // Ensure sender is properly formatted
-          const senderPhone = normalizeUserIdentifier(sender);
-          
           // Send confirmation privately to creator
           sendMessage(senderPhone, message.text);