fix(terminal): use real TTY exec and resize

apps/agent-worker/src/runtime/docker.ts

@@ -1,6 +1,7 @@
 import { mkdir } from 'node:fs/promises';
 import path from 'node:path';
 import type { Readable } from 'node:stream';
+import Docker from 'dockerode';
 import { execa } from 'execa';
 
 import { env } from '../env';
@@ -10,6 +11,13 @@ type CommandResult = {
   output: string;
 };
 
+let dockerClient: Docker | undefined;
+
+export const getDockerClient = () => {
+  dockerClient ??= new Docker();
+  return dockerClient;
+};
+
 const environmentArgs = (environment: Record<string, string>) =>
   Object.entries(environment).flatMap(([name, value]) => [
     '-e',