chore: merge v4 into backport-to-v4-staging#21618

Merged

alexghr merged 3 commits intobackport-to-v4-stagingfrom

claudebox/merge-v4-into-backport-staging

Mar 16, 2026

Commits on Mar 14, 2026

chore: Accumulated backports to v4 (#21477)
AztecBot
authored

Commits on Mar 16, 2026

fix(archiver): update finalized block lookback to account for checkpoints (#21597)

spalladino
and
claude
authored
Merge remote-tracking branch 'origin/backport-to-v4-staging' into HEAD
AztecBot
committed