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Translated universe instances - #70

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Translated universe instances#70
theostos wants to merge 1 commit into
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theostos:pr/universe-instances

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The importer previously formed Rocq universe instances from an implicit prefix of Lean parameters and a separately stored suffix for synthesized max/succ levels. It now stores the complete instance recipe and declares only directly used source levels plus synthesized algebraic levels; this fixes the universe-constraint failure at cslib's Int64.toInt_minValue.

Represent each translated universe instance as a complete expression over the Lean universe parameters. This keeps reference instances aligned with declaration contexts when successor and maximum levels require synthesized Rocq universes.
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