[Bug] UI flickering on new version

Bug Description
it keesp flickering all the time when ou start up the new version it is not usable on some termianls you ahe to kill it and start over

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.1.12
• Feedback ID: 90421f9a-4346-4055-802a-c70bf4a1ad19

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/greg/.local/share/claude/versions/2.1.12 (expected in multi-process scenarios)\n    at HZR (/$bunfs/root/claude:3279:2091)\n    at aYA (/$bunfs/root/claude:3279:1202)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-19T15:04:11.532Z"}]