docs: add normative silent-mode audit contract paragraph - #299
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Adds a dedicated paragraph explicitly stating the silent-mode behavioral contract: PolicyEvaluator suppresses application-level log lines but still returns would_have_denied=True, and the proxy writes advisory_deny entries into the hash-chained audit log. Auditable evidence is preserved in silent mode; only operational logs are quiet. The contract is already enforced and tested in tests/unit/test_silent_mode_contract.py (landed in #294). Closes #284
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Summary
### Silent-mode audit contractparagraph todocs/configuration.mdmaking the behavioral contract explicit in prose form.PolicyEvaluatorsuppresses application-level log lines for denied calls but still returnswould_have_denied=True. The proxy writesadvisory_denyinto the hash-chained audit log. The tamper-evident record is complete in silent mode; only operational logs are quiet.enforcingis already the default inAttestationConfig(confirmed insrc/cmcp_runtime/config.pyline 44).tests/unit/test_silent_mode_contract.py(landed in fix: restore the feature stack lost in the stacked-PR merge #294 viafix: restore the feature stack lost in the stacked-PR merge).Closes #284.
Test plan
test_silent_mode_contract.py).docs/configuration.mdhas the new### Silent-mode audit contractsection.AttestationConfig.enforcement_modedefaults toEnforcementMode.ENFORCING.🤖 Generated with Claude Code