Tables secured_data_classification, _policy, _reveal_grant, _break_glass
and _access_log; SecuredDataClassifications; the tier resolver with
break-glass, table features, policy rows, channel caps and code defaults;
the asynchronous access log; enumeration guardrails (rate limit, miss and
distinct-value alerts, minimum entropy). Builds on QQQ RC.5 with marked
stand-ins for the unreleased fieldaccess API and a reflective bridge.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>