Support multi reference predigest mode#88

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maxammann wants to merge 3 commits intonjaremko:masterfrom

maxammann:zoo-cleanup

Commits on Apr 1, 2026

minor cleanup for the new reduce feature
maxammann
committed

Commits on Apr 2, 2026

add test case for multi reference predigest mode
maxammann
committed

Commits on Apr 8, 2026

add test, showing that ValidateAndMark adds a response around assertions (should not happen)
maxammann
committed