Module sessions/history

Conversation history management, streaming persistence, and retention service.

Remarks

Composes append-only writing, torn-tail recovery, monolithic JSON snapshots, safe UTF-8 page streaming, and capacity bounds into a unified service.

References

adjustCapacityMeta → adjustCapacityMeta
CachedHistorySnapshot → CachedHistorySnapshot
calculateDirectoryBytes → calculateDirectoryBytes
clearHistoryCache → clearHistoryCache
cloneEvent → cloneEvent
cloneHistory → cloneHistory
computeSafeCommitPoint → computeSafeCommitPoint
createHistoryWriter → createHistoryWriter
deleteHistory → deleteHistory
evictOldestSessions → evictOldestSessions
fileFor → fileFor
getHistory → getHistory
getHistoryDir → getHistoryDir
getTurnMapping → getTurnMapping
History → History
invalidateHistoryCache → invalidateHistoryCache
load → load
logFileFor → logFileFor
PAGE_LIMIT → PAGE_LIMIT
paginateHistory → paginateHistory
pruneHistoryDirectory → pruneHistoryDirectory
pruneHistoryDirectoryInternal → pruneHistoryDirectoryInternal
readCapacityMeta → readCapacityMeta
releaseCapacity → releaseCapacity
reserveCapacity → reserveCapacity
sanitize → sanitize
SESSION_LIMIT → SESSION_LIMIT
sessionHistory → sessionHistory
sessionMayBeActive → sessionMayBeActive
setHistoryEvictionCallback → setHistoryEvictionCallback
setSessionActivityChecker → setSessionActivityChecker
sizeIfExists → sizeIfExists
statIfExists → statIfExists
TOTAL_LIMIT → TOTAL_LIMIT
validateEvent → validateEvent
writeCapacityMeta → writeCapacityMeta