giles 55ce2a86c5 artdag: Phase 7 opt-reduce bridges maude normal form back to a runnable DAG + 8 tests ...

artdag/opt-reduce: encode a DAG cone -> opt-term, mau/creduce against the
optimisation module, decode the normal form back to build-entries and rebuild.
Result-preserving: a 5-node blur;blur;id;bright0 chain collapses to 2 nodes and an
over(I,I) dedup 3->2, both executing identically to the original; non-optimisable
DAGs round-trip their radius faithfully (unary 1+1+1 -> 3). Completes Phase 7's
bridge-back + equivalence boxes. maude-optimize 33/33, total 191/191.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-19 13:54:06 +00:00

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