diff --git a/apps/agent-worker/src/terminal.ts b/apps/agent-worker/src/terminal.ts
index 397012f..1778e87 100644
--- a/apps/agent-worker/src/terminal.ts
+++ b/apps/agent-worker/src/terminal.ts
@@ -82,7 +82,13 @@ const bridge = async (ws: WebSocket, jobId: string) => {
   try {
     const container = await ensureTerminalContainer(jobId, workspace.workdir);
     exec = await container.exec({
-      Cmd: ['/bin/bash', '-l'],
+      // Reattach a persistent tmux session across reconnects when tmux is
+      // available; otherwise fall back to a plain login shell.
+      Cmd: [
+        '/bin/bash',
+        '-lc',
+        'exec tmux new-session -A -s spoon 2>/dev/null || exec bash -l',
+      ],
       AttachStdin: true,
       AttachStdout: true,
       AttachStderr: true,