[Bug] MCP configuration and slash commands corrupted/overwritten intermittently

Bug Description
The mcp configuration and slash commands gets overwritten by Claude Code output about once every 3 days. The munged JSON files take about half a day to restore across 12 Claude Code repeated 'doctor' sessions.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.0.76
• Feedback ID: 18b91a6d-0d40-462e-bbd9-394f8c646560

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/babaganoush/.local/share/claude/versions/2.0.76 (expected in multi-process scenarios)\n    at JKA (/$bunfs/root/claude:2430:2165)\n    at uwL (/$bunfs/root/claude:2430:1885)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-23T14:13:53.417Z"}]