feat(usage): preserve usage history past the management read window with a daily rollup sidecar - #1008

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lidge-jun wants to merge 7 commits into

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codex/260804-usage-rollup

Commits on Aug 6, 2026

docs(devlog): usage-rollup preservation unit — research, roadmap, decade docs (4-round audited)
lidge-jun
committed
3243382
feat(usage): rollup core module — commit-row authority fold with rebuildable derived cache (010)
lidge-jun
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e5e7ee3
feat(usage): merge rollup history into management summaries past the read window (020)
lidge-jun
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13d628e
docs(site): document usage rollup preservation and the usageRollupEnabled flag
lidge-jun
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c25798d
fix(usage): bound fold segments, validate boundary at read time, honor usageRollupEnabled in key summaries
lidge-jun
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8e657f2
fix(usage): validate every folded segment at read time; id-less rows cannot stall the cutline
lidge-jun
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49cb22c
perf(usage): memoize read-time boundary validation per raw-log revision; document the digest-window contract
lidge-jun
committed
8d1eec8