[Bug] `/clear` command does not clean up TUI display

Bug Description
/clear command does not clean up TUI.

Environment Info

• Platform: linux
• Terminal: vscode
• Version: 2.1.104
• Feedback ID: a1a7491e-89ac-44ea-9380-22542e9636cc

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /home/kosarev/.local/share/claude/versions/2.1.104 (expected in multi-process scenarios)\n    at KQ$ (/$bunfs/root/src/entrypoints/cli.js:2838:2153)\n    at ye8 (/$bunfs/root/src/entrypoints/cli.js:2838:1233)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-13T07:47:31.328Z"}]