feat(metadata-protocol): cache the `getMetaItems` overlay read, keyed on the engine write epoch - #12727

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os-zhuang merged 8 commits into

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claude/issue-11967-getmetaitems-overlay-cache

Aug 27, 2026

Commits on Aug 27, 2026

wip(metadata-protocol): leg D overlay cache — implementation before any gate
claude
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42dae35
wip(metadata-protocol): leg D pins, ablation results not yet measured
claude
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3c14883
test(metadata-protocol): record both ablation predictions BEFORE mutating
claude
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19f22d2
feat(metadata-protocol): leg D overlay cache + env var + changeset
claude
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d2b760a
test(metadata-protocol): drop the unexercised findOne double instead of growing the pinned ledger
claude
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0cf0c21
test(metadata-protocol): bound cache storage; re-predict both ablations BEFORE re-measuring
claude
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5dabef3
test(metadata-protocol): record both re-measured ablation outcomes
claude
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c4be8da
docs(concepts): bound the cross-replica overlay re-read claim the leg-D cache moves
claude
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4482c84