feat: sync cache invalidation oracle (backport #21459)#21730

Merged

nchamo merged 3 commits intobackport-to-v4-next-stagingfrom

claudebox/backport-21459-v4-next

Mar 18, 2026

Commits on Mar 18, 2026

cherry-pick: feat: sync cache invalidation oracle (#21459)

nchamo
authored and
AztecBot
committed
fix: resolve cherry-pick conflicts and update oracle hash for v4-next
AztecBot
committed
fix: fix pre-existing checkpoint_builder.test.ts type errors on staging
AztecBot
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