writeSnapshot/readSnapshot/rebuildSnapshot give an O(active) bounded read for the
session-start hot path (D1A). compact() rewrites the log to active, archives
superseded decisions for history, and EXPUNGES redacted ones (dropped, never
archived) so an accidentally-captured secret leaves the store for good.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
decide/supersede/redact events on lib/jsonl-store; active set is computed (no
mutable status), dangling refs tolerated. Free-text is injection-checked and
redact-scanned on write (HIGH secret -> reject). Scope filter (repo/branch/issue)
for relevant resurfacing. File-only + reliable; gbrain not required.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Garry Tan