[Bug] Duplicate conversation output lines displayed in terminal UI

Bug Description
The conversation deduplicates in the terminal e.g., ✶ Beboppin'… (54s) ───────────────────────────────────── ❯ ───────────────────────────────────── ⏵⏵ don't ask on (shift+tab to )

this shows-up multiple times as if I started and ended the convo. this seems to be UI bug

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.116
• Feedback ID: ccb1e635-3d21-4fa7-9c0f-3f523832c2b4

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/yanismellata/.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":"2026-04-21T13:06:35.022Z"}]