Injects a high-stakes ambiguity gate at preamble tier >= 2 so all
workflow skills get it. Fires when Claude encounters architectural
decisions, data model changes, destructive operations, or contradictory
requirements. Does NOT fire on routine coding.
Addresses Karpathy failure mode #1 (wrong assumptions) with an
inline STOP gate instead of relying on workflow skill invocation.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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