[Bug] Claude Sonnet 4.6 deterministically corrupts project identifier "EGEN" → "EIGEN"/"IGEN" during generation and when reading it back

Status Closed — not planned
Reported on v2.1.220
Maintainer reply None cached
Activity 1 comment · opened Jul 31, 2026 · closed Sep 7, 2026

Bug Description
Sonnet 4.6 deterministically corrupts project identifier "EGEN" → "EIGEN"/"IGEN" during generation and when reading it back

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 2.1.220
  • Feedback ID: 3de684a3-ec3c-4552-9381-8f8375efc1b1

Errors

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