[Bug] MCP configuration not persisted between sessions

Bug Description
/mcp config does not get persisted between sessions.

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.101
• Feedback ID: f1376a1a-81f7-4e51-bc33-e200e6b440c7

Errors

[{"error":"Error: Failed to delete keychain entry: security: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n    at KTq (/$bunfs/root/src/entrypoints/cli.js:249:281283)\n    at async nbq (/$bunfs/root/src/entrypoints/cli.js:402:898)\n    at async ey6 (/$bunfs/root/src/entrypoints/cli.js:402:796)\n    at async h8_ (/$bunfs/root/src/entrypoints/cli.js:2812:2084)\n    at async CfH (/$bunfs/root/src/entrypoints/cli.js:2837:5698)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:2906:3288)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-10T22:16:38.092Z"}]