[Bug] CLI hangs after completing file edit, does not return control to user

Bug Description
keeps hanging on this very simple edit. seems to finish it but never returns turn to user.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.90
• Feedback ID: cc8b53cb-e378-48fc-bda1-df27ae8d8b26

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/kamran/.local/share/claude/versions/2.1.90 (expected in multi-process scenarios)\n    at Cu_ (/$bunfs/root/src/entrypoints/cli.js:1894:2138)\n    at uQ6 (/$bunfs/root/src/entrypoints/cli.js:1894:1218)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-02T15:48:29.536Z"}]