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"use client"; import { useAtomValue } from "@effect/atom-react";import { parseScopedThreadKey, scopedThreadKey } from "@t3tools/client-runtime/environment";import type { ScopedThreadRef } from "@t3tools/contracts";import * as Schema from "effect/Schema";import { AsyncResult, Atom } from "effect/unstable/reactivity"; import {  applyPreviewServerEvent,  readThreadPreviewState,  reconcilePreviewServerSessions,} from "~/previewStateStore";import { previewEnvironment } from "~/state/preview"; class PreviewSessionThreadKeyParseError extends Schema.TaggedErrorClass<PreviewSessionThreadKeyParseError>()(  "PreviewSessionThreadKeyParseError",  { threadKey: Schema.String },) {  override get message(): string {    return `Invalid scoped preview thread key: ${this.threadKey}`;  }} const previewSessionSyncAtom = Atom.family((threadKey: string) => {  const threadRef = parseScopedThreadKey(threadKey);  if (threadRef === null) {    throw new PreviewSessionThreadKeyParseError({ threadKey });  }   const sessionsAtom = previewEnvironment.list({    environmentId: threadRef.environmentId,    input: { threadId: threadRef.threadId },  });  const eventsAtom = previewEnvironment.events({    environmentId: threadRef.environmentId,    input: {},  });   return Atom.make((get) => {    let disposed = false;    let eventsVersion = 0;     const reconcileSessions = (result: Atom.Type<typeof sessionsAtom>) => {      if (!AsyncResult.isSuccess(result)) return;      reconcilePreviewServerSessions(threadRef, result.value);    };     const applyLatestEvent = (result: Atom.Type<typeof eventsAtom>) => {      if (!AsyncResult.isSuccess(result) || result.value.threadId !== threadRef.threadId) return;      const currentEpoch = readThreadPreviewState(threadRef).serverEpoch;      if (currentEpoch !== null && currentEpoch !== result.value.serverEpoch) {        get.refresh(sessionsAtom);        return;      }      applyPreviewServerEvent(threadRef, result.value);    };     get.addFinalizer(() => {      disposed = true;    });    const initialEvent = get.once(eventsAtom);    get.subscribe(sessionsAtom, (result) => {      reconcileSessions(result);    });    get.subscribe(eventsAtom, (result) => {      eventsVersion += 1;      applyLatestEvent(result);    });    queueMicrotask(() => {      if (disposed) return;      // The cached list can predate an automation-created tab. Keep the local      // snapshot visible until an authoritative refresh arrives instead of      // reconciling against a stale empty result when the panel first mounts.      get.refresh(sessionsAtom);      if (eventsVersion === 0) applyLatestEvent(initialEvent);    });  }).pipe(Atom.setIdleTTL(1_000), Atom.withLabel(`preview:session-sync:${threadKey}`));}); export function usePreviewSession(threadRef: ScopedThreadRef): void {  useAtomValue(previewSessionSyncAtom(scopedThreadKey(threadRef)));}