[Bug] Session initialization timeout: Web UI stuck in "Connecting" state

Bug Description
Ultrareview is reported as timed out, but seems like it never started. The web UI was constantly stuck in "Connecting" and now the session seems to not even exist: session_0148EUFTmVwWbtY9kCuqzcvh

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.121
• Feedback ID: 0095aeec-bed4-4eda-bfa9-36dd27fd7696

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/enbyted/.local/share/claude/versions/2.1.121 (expected in multi-process scenarios)\n    at p66 (/$bunfs/root/src/entrypoints/cli.js:2769:2177)\n    at YY8 (/$bunfs/root/src/entrypoints/cli.js:2769:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-28T14:27:47.184Z"}]