feat(dds): squash-on-resubmit for non-tree DDSes#27318

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anthony-murphy wants to merge 22 commits into

microsoft:mainfrom

anthony-murphy:dds-squashing

Commits on May 15, 2026

feat(dds): squash-on-resubmit for non-tree DDSes

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refactor(dds): per-op subsumption model for squash

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Merge remote-tracking branch 'upstream/main' into dds-squashing
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fix(dds-map): squash storage ops on pending-deleted subdirectories

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perf(dds-map): O(1) keySet lifetime lookup via back-pointer

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docs(dds): document audit findings; add Cell pre-staging test

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fix(dds-map): squash createSubDirectory + deleteSubDirectory pairs

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fix(dds-map): identity-based reachability check in storage squash

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feat(merge-tree): property-level squash for ANNOTATE and INSERT

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feat(sequence): property-level squash for interval ADD and CHANGE

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docs: update changeset for merge-tree + interval property squash

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Commits on May 16, 2026

Commits on May 18, 2026

Commits on May 19, 2026