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feat(core): deterministic session log replay with synced watermark (#35040)

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Kit Langton 2026-07-02 21:38:20 -04:00 • committed by GitHub
commit 57e9e9771d
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16 changed files with 205 additions and 87 deletions
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7
packages/core/test/session-create.test.ts
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@ -8,7 +8,6 @@ import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
import { LayerNode } from "@opencode-ai/core/effect/layer-node"
import { EventV2 } from "@opencode-ai/core/event"
import { EventTable } from "@opencode-ai/core/event/sql"
import { Job } from "@opencode-ai/core/job"
import { Location } from "@opencode-ai/core/location"
import { ModelV2 } from "@opencode-ai/core/model"
import { ProjectV2 } from "@opencode-ai/core/project"
@ -49,11 +48,11 @@ const it = testEffect(
const location = Location.Ref.make({ directory: AbsolutePath.make("/project") })
const id = SessionV2.ID.create()
/** Public session events from a `log` read, without caught-up markers. */
/** Public session events from a `log` read, without synced markers. */
const logEvents = (session: SessionV2.Interface, sessionID: SessionV2.ID, follow?: boolean) =>
session
.log({ sessionID, follow })
.pipe(Stream.filter((item): item is SessionEvent.DurableEvent => !EventV2.isCaughtUp(item)))
.pipe(Stream.filter((item): item is SessionEvent.DurableEvent => !EventV2.isSynced(item)))
const assertCreateInputTypes = (session: SessionV2.Interface) => {
// @ts-expect-error location or parentID is required.
@ -213,7 +212,7 @@ describe("SessionV2.create", () => {
durable: { seq: 0 },
data: { sessionID: forked.id, parentID: parent.id },
})
expect(yield* SessionInput.find(db, forkContext[0]!.id)).toMatchObject({
expect(yield* SessionInput.find(db, forkContext[0].id)).toMatchObject({
sessionID: forked.id,
prompt: { text: "First" },
promotedSeq: 2,