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feat(core): compact v2 session context (#30986)

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Kit Langton 2026-06-05 13:17:23 -04:00 • committed by GitHub
commit beae7290f3
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26 changed files with 569 additions and 296 deletions
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31
packages/core/src/session/projector.ts
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@ -168,23 +168,6 @@ function run(db: DatabaseService, event: SessionEvent.Event) {
return message.type === "assistant" ? message : undefined
})
},
getCurrentCompaction() {
return Effect.gen(function* () {
const row = yield* db
.select()
.from(SessionMessageTable)
.where(
and(eq(SessionMessageTable.session_id, event.data.sessionID), eq(SessionMessageTable.type, "compaction")),
)
.orderBy(desc(SessionMessageTable.seq))
.limit(1)
.get()
.pipe(Effect.orDie)
if (!row) return
const message = decodeRow(row)
return message.type === "compaction" ? message : undefined
})
},
getCurrentShell(callID) {
return Effect.gen(function* () {
const rows = yield* db
@ -200,7 +183,6 @@ function run(db: DatabaseService, event: SessionEvent.Event) {
})
},
updateAssistant: updateMessage,
updateCompaction: updateMessage,
updateShell: updateMessage,
appendMessage,
}
@ -452,13 +434,14 @@ export const layer = Layer.effectDiscard(
yield* events.project(SessionEvent.Reasoning.Started, (event) => run(db, event))
yield* events.project(SessionEvent.Reasoning.Ended, (event) => run(db, event))
// yield* events.project(SessionEvent.Retried, (event) => run(db, event))
yield* events.project(SessionEvent.Compaction.Started, (event) => run(db, event))
yield* events.project(SessionEvent.Compaction.Delta, (event) => run(db, event))
yield* events.project(SessionEvent.Compaction.Ended, (event) => {
if (event.seq === undefined) return Effect.die("Synchronized Session event is missing aggregate sequence")
return run(db, event).pipe(
Effect.andThen(SessionContextEpoch.requestReplacement(db, event.data.sessionID, event.seq)),
)
if (event.version === 1) return Effect.void
const seq = event.seq
if (seq === undefined) return Effect.die("Synchronized Session event is missing aggregate sequence")
return Effect.gen(function* () {
yield* run(db, event)
yield* SessionContextEpoch.requestReplacement(db, event.data.sessionID, seq)
})
})
}),
)