clean up agent example

Author: matthewlouisbrockman

docs/sandbox/auto-resume.mdx

@@ -109,7 +109,7 @@ print(f"Preview URL: https://{preview_host}")
 
 ### Agent/tool execution
 
-For queued tasks or tool calls, create once, store the sandbox ID, and reconnect per task. If the sandbox is paused, `connect` resumes it.
+For queued tasks or tool calls, create once and keep using the same sandbox handle. If it is paused, it will auto-resume when you run the next command.
 
 <CodeGroup>
 ```js JavaScript & TypeScript
@@ -123,14 +123,10 @@ const sandbox = await Sandbox.create({
     resumeOn: 'any',
   },
 })
-const sandboxId = sandbox.sandboxId
 
 // Later: called for each agent/tool task
 async function runToolTask(command) {
-  const worker = await Sandbox.connect(sandboxId, {
-    timeoutMs: 5 * 60 * 1000,
-  })
-  const result = await worker.commands.run(command)
+  const result = await sandbox.commands.run(command)
   return result.stdout
 }
 
@@ -147,15 +143,10 @@ sandbox = Sandbox.create(
         "resume_on": "any",
     },
 )
-sandbox_id = sandbox.sandbox_id
 
 # Later: called for each agent/tool task
 def run_tool_task(command: str) -> str:
-    worker = Sandbox.connect(
-        sandbox_id,
-        timeout=5 * 60,
-    )
-    result = worker.commands.run(command)
+    result = sandbox.commands.run(command)
     return result.stdout
 
 print(run_tool_task('python -c "print(2 + 2)"'))