[Bug] High CPU usage on terminal window resize events

Bug Description
Claude Code uses a large amount of CPU anytime the terminal emulator window is resized. This is quite obnoxious when using i3wm. It is possible that the issue is related to the instantaneous change in window size.

Environment Info

• Platform: linux
• Terminal: kitty
• Version: 2.1.7
• Feedback ID: f6b08b8b-8fdd-4708-9ed8-1ba732b1d117

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /home/sd/.local/share/claude/versions/2.1.7 (expected in multi-process scenarios)\n    at eP$ (/$bunfs/root/claude:3165:2157)\n    at rTA (/$bunfs/root/claude:3165:1268)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-27T04:20:23.814Z"},{"error":"Error: LSP server plugin:rust-analyzer-lsp:rust-analyzer crashed with exit code 127\n    at <anonymous> (/$bunfs/root/claude:2382:21461)\n    at emit (node:events:98:22)\n    at #handleOnExit (node:child_process:520:14)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-27T04:20:23.910Z"}]