[Bug] Claude Desktop: Blank workspace after .worktrees file deletion, session fails to initialize

Bug Description
Issue: Claude Desktop shows blank screen with "failed to load session" error after accidentally deleting a .worktrees file from Documents folder yesterday. CLI version works perfectly.
Steps taken:

• Complete reinstall of Claude Desktop
• Clear Cache and Restart + Reset App Data
• Authentication reset (logout, removed auth.json, re-authenticated)
• Git worktrees cleanup and local data removal

Current state: Desktop app loads but shows completely blank workspace area in CLI tab. Authentication appears successful but session won't initialize.
System: macOS 26.2 (25C56)
Claude Desktop version: Claude 1.0.2768 (21341c) 2026-01-05T18:21:10.000Z
The deleted .worktrees file seems to have corrupted workspace configuration that survives reinstalls.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.0.76
• Feedback ID: 1413ca56-231c-443d-a94b-a5044d9ed4b5

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/linuswetzig/.local/share/claude/versions/2.0.76 (expected in multi-process scenarios)\n    at XZR (/$bunfs/root/claude:2430:2165)\n    at fUA (/$bunfs/root/claude:2430:1885)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-07T11:45:05.626Z"}]