* test(wac): pin the failure record with one corpus both SDKs read
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* test(wac): add the behaviour matrix that verified the failure record
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* docs(wac): record how to exercise an unreleased SDK change
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* fix(wac): guard the whole extra pair, not just its value
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* fix(wac): never rehash an untrusted extra key
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* fix(wac): walk only a real __dict__ when collecting extra
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* docs(wac): name the divergence the corpus cannot pin
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* chore(wac): state the extra-encoding constraints in four lines
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
Ruben Fiszel