[Bug] Enter key creates new line instead of sending message in CLI input

Bug Description
strange this happened in a claude code session- suddenly enter just bumps to a new line, so there's no way to send a message

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.128
• Feedback ID: 9e2b53f3-0f87-4df0-a53c-485dee43c1e3

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/freedbird/.local/share/claude/versions/2.1.128 (expected in multi-process scenarios)\n    at Nq6 (/$bunfs/root/src/entrypoints/cli.js:2764:2177)\n    at uGH (/$bunfs/root/src/entrypoints/cli.js:2764:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T21:23:17.067Z"}]