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W3.2 coercion realization (Rung 3): preservation_rule_refinement_widening + CoercionQuality::Widened — make coercion REALIZE (rust i32→python int Accepted), not just fail-closed - #4363
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…ython int Accepted Wire CoercionQuality::Widened and homomorphism_rule_refinement_widening through coercion_fold_refinement_widening; complete find_witness dispatch for the widening predicate. Add Leg B TestClaim receipt (mvp_int_cross_target) and Widened match arms on existing coercion quality helpers. Co-authored-by: Cursor <cursoragent@cursor.com>
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June 3, 2026 02:23
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