Hotfix/2025 02 24 4067 point in time scroll#2459

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richard-jones wants to merge 6 commits intomasterfrom hotfix/2025-02-24_4067_point-in-time-scroll

Commits on Feb 24, 2025

WIP fixes for the anon_export task:
Steven-Eardley
committed

Commits on Mar 6, 2025

partial fix for anon export
richard-jones
committed

Commits on Mar 10, 2025

implement pit search and make some performance enhancements to anon export
richard-jones
committed
add new unstable iterator, which allows us to produce anon_export without pit search
richard-jones
committed

Commits on Mar 12, 2025

minor tweaks to dao implementation
richard-jones
committed

Commits on Mar 18, 2025

fix bug in unstable iterator
richard-jones
committed