feat(evals): seams S4+S5 — generalized-lift instrument + ports/handoff evidence
S4: evals/generalized_lift_instrument.py — corridor vs symbolic baseline on
identical compiled problems, independent truth-table gold, honest-NULL
protocol, no-silent-caps (GSM8K non-ingestibility RECORDED as the
composition frontier). Live results: propositional PARITY (corridor 10/10 =
ROBDD 10/10, wrong=0 guard HELD), constrained-recognition LIFT +9 (relax+
readback 9/9 vs constraint-blind argmax 0/9; round-trip agreement 1.0),
multimodal-completion PARITY (vision token already resonates with the
audio partial — measured, disclosed).
S5: evals/lift_evidence_handoff.py — two REAL certified turns through
IdentityPort+PrecisionPort (Ring-2) and coordinate_handoff (Ring-3),
off-serving, flags untouched: identity-action turn PROCEEDs, frame-rotating
turn ABSTAINs with typed port-attributed reason (d_stab>epsilon_turn); both
replay chains verify. Evidence doc: docs/handoff/ADR-0246-Acceptance-
Evidence.md (for Shay's §8 rulings — no self-Accept). Plan doc phases 0-5
marked DONE.
[Verification]: Smoke suite passed locally (129s, 176 passed); 147 passed
across all touched+adjacent suites.
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