Issue

When running psmux while there are detached session, the following error is displayed:

psmux: auth failed

Running psmux a -t 0 works without issue.
Running psmux when there are no detached sessions works normally.

Expected Behavior

Re-attach last session.

Steps to Reproduce:

1. Run psmux
2. Detach session
3. Run psmux again

Environment

• Win 11 25H2
• Windows Terminal Version: 1.23.20211.0
• PowerShell 7.5.4
• OhMyPosh 29.9.0
• psmux 3.2.0 (installed via winget)

This issue started happening after upgrading to psmux version 3.2.0. Previously was running 0.4.10 and did not have this issue.