[Bug] /clear command doesn't clear UI history in Warp terminal

Bug Description
When I use /clear the ui keeps the history on Warp.

Environment Info

• Platform: darwin
• Terminal: WarpTerminal
• Version: 2.1.116
• Feedback ID: fa1c2194-3fb1-499c-951d-cd2e6908a94d

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/gubiera/.local/share/claude/versions/2.1.116 (expected in multi-process scenarios)\n    at jl_ (/$bunfs/root/src/entrypoints/cli.js:2752:2177)\n    at B88 (/$bunfs/root/src/entrypoints/cli.js:2752:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-21T15:37:31.173Z"},{"error":"Error\n    at call (/$bunfs/root/src/entrypoints/cli.js:4741:7630)\n    at processTicksAndRejections (unknown:7:39)","timestamp":"2026-04-21T17:03:52.297Z"}]