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Kumar ShivenduandClaude Opus 5
83fe47c90a
Follow-up to #10287, which added `max`. Expressing a minimum still required spelling out `(a + b - |a - b|) / 2`, the sign flip of the max identity — drop the `neg` and you silently get a maximum instead. It also only works for two operands and mentions each one twice, so the scorer walks every sub-tree twice per candidate point. The pair is what makes clamping expressible: {"max": [0.0, {"min": [1.0, "$score"]}]} `min` mirrors `max` throughout, and both guard helpers introduced in #10287 already took an `operator: &str`, so they are reused unchanged: an empty operand list is rejected at parse time rather than folding to +infinity, and the Edge FFI rejects it at construction time. The result needs no `is_finite` check, since `min` cannot produce a non-finite value from finite inputs. The unindexed-field walker shares one arm for `Max | Min` as the bodies are identical, with a test pinning `min` separately so a later split cannot silently drop it. Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>