Expands the placeholder into a real plan, grounded in what the estate already
has rather than first principles:
- tenancy-posture_v0.1 is the structural model to follow (canon standard +
per-repo declaration + "accuracy, not altitude"), and its §14 adoption stance
is "structure, not tooling" — a precedent about sequencing.
- Reefs are substrate placement zones with real risk statements. A security
zone is not a reef; repo-manager's own "topology is not readiness" applies
here as "placement is not posture".
- flex-auth is latency-critical and already consumes a compiled registry
snapshot, so zone membership should reach the PDP by compilation rather than
a synchronous lookup in the decision path.
- warden plan already returns verdicts with reasons; zone-aware enforcement
extends that machinery instead of growing a parallel one.
T01 settles ownership before any modelling, because it decides which repo the
rest lives in: canon standard, a zone-engine runtime authority, or flex-auth
policy data. The recommendation is canon-first with zone-engine named as an
explicit promotion — but the time-boxed refactor exception is the case that
could justify an engine immediately, since an expiring grant is state and state
wants an owner.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
tegwick
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