[Bug] Control+C does not interrupt while in /vim mode

Bug Description
Control+C does not interrupt while in /vim mode, claude keeps doing things. It's not intuitive that vim mode is the reason for that.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.1.81
• Feedback ID: 486b8962-a64b-4f89-b380-a1cb512d95f8

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/david/.local/share/claude/versions/2.1.81 (expected in multi-process scenarios)\n    at TET (/$bunfs/root/src/entrypoints/cli.js:2724:2174)\n    at fgq (/$bunfs/root/src/entrypoints/cli.js:2724:1318)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-24T17:09:32.371Z"}]