fix(lab): wire scoped-reread clause swap through the serving route

↗ view on GitHub · Eli Ziff · 2026-08-06 · 59d271ca

The 17-31-54 CoC re-pilot burned its full provider run and then failed the
A1 prompt-sha gate: c709ba6b applied withScopedRereadClause only to the arm
constant (module-private wrapper), while chat.ts composes the served prompt
from env flags and never swapped the clause. The swap is now an option of
withLabTreatmentPromptAdditions - the single helper both the route and the
expectation call - gated on MIKE_SCOPED_REREAD, with a scoped_reread receipt
field asserted true on the treatment arm and false across the frozen index
family. Served-path proof: .tmp-probe-served-prompt-sha.ts boots the real
app with the arm env, forces a free provider failure after benchmark_surface
emission, and matches the served sha to sha256(constant + inventory); the
frozen index_floor arm still hashes to its judged run's receipt.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011pfUVhNFTRvhYGXBwoKNj6
Repository eliziff/Beaver
Author Eli Ziff <eliasziff@gmail.com>
Authored
Parents 8f43790c
Stats 4 files changed , +33 , -17
Part of Evaluation harness: Beaver-CAN and LegalBench-RAG adapters

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