[Bug] Sonnet 4.6 model regression: internal details leakage before failure

Bug Description
Sonnet 4.6 gives details (internal) about what it is doing then failed. It doesn't work any more. Switching to another model (opus 4.6) fix the behavior

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.81
• Feedback ID: c73b9fc8-17f4-455d-83ce-7451b6a7f647

Errors

[{"error":"Error: Request was aborted.\n    at w0T (/$bunfs/root/src/entrypoints/cli.js:1907:8297)\n    at next (native:1:11)\n    at B29 (/$bunfs/root/src/entrypoints/cli.js:7276:7438)\n    at next (native:1:11)\n    at c29 (/$bunfs/root/src/entrypoints/cli.js:7281:10008)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-24T19:50:42.876Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readSync (unknown)\n    at readSync (/$bunfs/root/src/entrypoints/cli.js:12:1534)\n    at pTq (/$bunfs/root/src/entrypoints/cli.js:103:434)\n    at ka (/$bunfs/root/src/entrypoints/cli.js:104:181)\n    at LP (/$bunfs/root/src/entrypoints/cli.js:106:54)\n    at J7$ (/$bunfs/root/src/entrypoints/cli.js:7409:8312)\n    at f (/$bunfs/root/src/entrypoints/cli.js:7409:7529)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:7409:7859)\n    at Tr (/$bunfs/root/src/entrypoints/cli.js:675:63125)\n    at f3_ (/$bunfs/root/src/entrypoints/cli.js:675:76213)","timestamp":"2026-03-24T19:52:45.836Z"},{"error":"Error: File does not exist. Note: your current working directory is /Users/seb/Dev/Toize.\n    at call (/$bunfs/root/src/entrypoints/cli.js:4321:6398)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-24T19:52:47.039Z"},{"error":"Error: Request was aborted.\n    at w0T (/$bunfs/root/src/entrypoints/cli.js:1907:8297)\n    at next (native:1:11)\n    at B29 (/$bunfs/root/src/entrypoints/cli.js:7276:7438)\n    at next (native:1:11)\n    at c29 (/$bunfs/root/src/entrypoints/cli.js:7281:10008)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-24T19:53:13.864Z"}]

https://github.com/user-attachments/assets/95674d12-6bda-4d26-9ceb-73d1db27cfb4

❯ /doctor

Diagnostics
└ Currently running: native (2.1.81)
└ Path: /Users/seb/.local/share/claude/versions/2.1.81
└ Invoked: /Users/seb/.local/share/claude/versions/2.1.81
└ Config install method: native
└ Search: OK (bundled)
Updates
└ Auto-updates: enabled
└ Auto-update channel: latest
└ Stable version: 2.1.74
└ Latest version: 2.1.81
Version Locks
└ 2.1.81: PID 55514 (running)