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refactor(core): make v2 session inputs event sourced (#30785)

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Kit Langton 2026-06-04 19:24:30 -04:00 • committed by GitHub
commit 76ecf2e58c
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43 changed files with 4671 additions and 757 deletions
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19
packages/core/src/session/runner/llm.ts
View file

@ -132,10 +132,13 @@ export const layer = Layer.effect(
const model = yield* models.resolve(session)
const toolFibers = yield* FiberSet.make<void, never>()
let needsContinuation = false
if (promotion === "steer") yield* SessionInput.promoteSteers(db, events, session.id)
if (promotion === "queue") {
yield* SessionInput.promoteNextQueued(db, events, session.id)
yield* SessionInput.promoteSteers(db, events, session.id)
if (promotion) {
const cutoff = yield* SessionInput.latestSeq(db, session.id)
if (promotion === "steer") yield* SessionInput.promoteSteers(db, events, session.id, cutoff)
if (promotion === "queue") {
yield* SessionInput.promoteNextQueued(db, events, session.id)
yield* SessionInput.promoteSteers(db, events, session.id, cutoff)
}
}
yield* failInterruptedTools(session.id)
const context = yield* getContext(session.id)
@ -233,8 +236,8 @@ export const layer = Layer.effect(
readonly force?: boolean
}) {
const session = yield* getSession(input.sessionID)
const hasSteer = yield* SessionInput.hasPending(db, input.sessionID, ["steer"])
const hasQueue = yield* SessionInput.hasPending(db, input.sessionID, ["queue"])
const hasSteer = yield* SessionInput.hasPending(db, input.sessionID, "steer")
const hasQueue = hasSteer ? false : yield* SessionInput.hasPending(db, input.sessionID, "queue")
if (input.force !== true && !hasSteer && !hasQueue) return
let promotion: "steer" | "queue" | undefined = hasSteer ? "steer" : hasQueue ? "queue" : undefined
let openActivity = input.force === true || hasSteer || hasQueue
@ -243,12 +246,12 @@ export const layer = Layer.effect(
for (let step = 0; step < MAX_STEPS; step++) {
needsContinuation = yield* runTurn(session, promotion)
promotion = "steer"
if (!needsContinuation) needsContinuation = yield* SessionInput.hasPending(db, input.sessionID, ["steer"])
if (!needsContinuation) needsContinuation = yield* SessionInput.hasPending(db, input.sessionID, "steer")
if (!needsContinuation) break
}
if (needsContinuation)
return yield* new StepLimitExceededError({ sessionID: input.sessionID, limit: MAX_STEPS })
openActivity = yield* SessionInput.hasPending(db, input.sessionID, ["queue"])
openActivity = yield* SessionInput.hasPending(db, input.sessionID, "queue")
promotion = openActivity ? "queue" : undefined
}
})

19
packages/core/src/session/runner/publish-llm-event.ts
View file

@ -10,6 +10,7 @@ import { DateTime, Effect } from "effect"
import { EventV2 } from "../../event"
import { ModelV2 } from "../../model"
import { SessionEvent } from "../event"
import { SessionMessage } from "../message"
import { SessionSchema } from "../schema"
type Input = {
@ -60,7 +61,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
const tools = new Map<
string,
{
readonly assistantMessageID: EventV2.ID
readonly assistantMessageID: SessionMessage.ID
readonly name: string
inputEnded: boolean
called: boolean
@ -70,13 +71,17 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
}
>()
const timestamp = DateTime.now
let assistantMessageID: EventV2.ID | undefined
let assistantMessageID: SessionMessage.ID | undefined
let providerFailed = false
const startAssistant = Effect.fnUntraced(function* () {
if (assistantMessageID !== undefined) return assistantMessageID
assistantMessageID = (yield* events.publish(SessionEvent.Step.Started, { ...input, timestamp: yield* timestamp }))
.id
assistantMessageID = SessionMessage.ID.create()
yield* events.publish(SessionEvent.Step.Started, {
...input,
assistantMessageID,
timestamp: yield* timestamp,
})
return assistantMessageID
})
const currentAssistantMessageID = () =>
@ -118,6 +123,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
Effect.gen(function* () {
yield* events.publish(SessionEvent.Text.Ended, {
sessionID: input.sessionID,
assistantMessageID: yield* currentAssistantMessageID(),
timestamp: yield* timestamp,
textID,
text: value,
@ -128,6 +134,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
Effect.gen(function* () {
yield* events.publish(SessionEvent.Reasoning.Ended, {
sessionID: input.sessionID,
assistantMessageID: yield* currentAssistantMessageID(),
timestamp: yield* timestamp,
reasoningID,
text: value,
@ -220,6 +227,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
yield* text.start(event.id)
yield* events.publish(SessionEvent.Text.Started, {
sessionID: input.sessionID,
assistantMessageID: yield* startAssistant(),
timestamp: yield* timestamp,
textID: event.id,
})
@ -228,6 +236,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
yield* text.append(event.id, event.text)
yield* events.publish(SessionEvent.Text.Delta, {
sessionID: input.sessionID,
assistantMessageID: yield* currentAssistantMessageID(),
timestamp: yield* timestamp,
textID: event.id,
delta: event.text,
@ -240,6 +249,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
yield* reasoning.start(event.id)
yield* events.publish(SessionEvent.Reasoning.Started, {
sessionID: input.sessionID,
assistantMessageID: yield* startAssistant(),
timestamp: yield* timestamp,
reasoningID: event.id,
providerMetadata: event.providerMetadata,
@ -249,6 +259,7 @@ export const createLLMEventPublisher = (events: EventV2.Interface, input: Input)
yield* reasoning.append(event.id, event.text)
yield* events.publish(SessionEvent.Reasoning.Delta, {
sessionID: input.sessionID,
assistantMessageID: yield* currentAssistantMessageID(),
timestamp: yield* timestamp,
reasoningID: event.id,
delta: event.text,