Comprehensive phased plan for full ADR-0244 realization (D4) plus the
ADR-0245 companion: locked design decisions (Q_top dropped from egress,
grade-1 axis lift, signed overlap, Euclidean leakage norm, frozen
identity manifold, bounded/abstaining C_id), code-verified ground truth
(Fact A dim-3 axes, Fact B two field surfaces, boundary_ids dormant),
folded-in external-review considerations, and a per-phase progress
dashboard for seamless cross-session resume after rate-limit breaks.
[Verification]: docs-only (docs/handoff/), no executable surface; smoke
deferred to Phase 0 (first phase touching governance/ADR tests).
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