fix: dynamic var spec serialization, JSON indexes, and StepMutator sequencing#3285

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npow wants to merge 3 commits into

romain/dynamic-vars-2.19.30from

npow/fix-dynamic-var-spec-serialization

Commits on Jun 26, 2026

Preserve dynamic var spec metadata
Nissan Pow
committed
Handle JSON stringified dynamic var indexes
Nissan Pow
committed
Fix StepMutator pre-mutate sequencing for dynamic vars
Nissan Pow
committed