diff --git a/app/utils/sync.ts b/app/utils/sync.ts
index 1acfc1289de..d4fa9c85f1d 100644
--- a/app/utils/sync.ts
+++ b/app/utils/sync.ts
@@ -1,165 +1 @@
-import {
-  ChatSession,
-  useAccessStore,
-  useAppConfig,
-  useChatStore,
-} from "../store";
-import { useMaskStore } from "../store/mask";
-import { usePromptStore } from "../store/prompt";
-import { StoreKey } from "../constant";
-import { merge } from "./merge";
-
-type NonFunctionKeys<T> = {
-  [K in keyof T]: T[K] extends (...args: any[]) => any ? never : K;
-}[keyof T];
-type NonFunctionFields<T> = Pick<T, NonFunctionKeys<T>>;
-
-export function getNonFunctionFileds<T extends object>(obj: T) {
-  const ret: any = {};
-
-  Object.entries(obj).map(([k, v]) => {
-    if (typeof v !== "function") {
-      ret[k] = v;
-    }
-  });
-
-  return ret as NonFunctionFields<T>;
-}
-
-export type GetStoreState<T> = T extends { getState: () => infer U }
-  ? NonFunctionFields<U>
-  : never;
-
-const LocalStateSetters = {
-  [StoreKey.Chat]: useChatStore.setState,
-  [StoreKey.Access]: useAccessStore.setState,
-  [StoreKey.Config]: useAppConfig.setState,
-  [StoreKey.Mask]: useMaskStore.setState,
-  [StoreKey.Prompt]: usePromptStore.setState,
-} as const;
-
-const LocalStateGetters = {
-  [StoreKey.Chat]: () => getNonFunctionFileds(useChatStore.getState()),
-  [StoreKey.Access]: () => getNonFunctionFileds(useAccessStore.getState()),
-  [StoreKey.Config]: () => getNonFunctionFileds(useAppConfig.getState()),
-  [StoreKey.Mask]: () => getNonFunctionFileds(useMaskStore.getState()),
-  [StoreKey.Prompt]: () => getNonFunctionFileds(usePromptStore.getState()),
-} as const;
-
-export type AppState = {
-  [k in keyof typeof LocalStateGetters]: ReturnType<
-    (typeof LocalStateGetters)[k]
-  >;
-};
-
-type Merger<T extends keyof AppState, U = AppState[T]> = (
-  localState: U,
-  remoteState: U,
-) => U;
-
-type StateMerger = {
-  [K in keyof AppState]: Merger<K>;
-};
-
-// we merge remote state to local state
-const MergeStates: StateMerger = {
-  [StoreKey.Chat]: (localState, remoteState) => {
-    // merge sessions
-    const localSessions: Record<string, ChatSession> = {};
-    localState.sessions.forEach((s) => (localSessions[s.id] = s));
-
-    remoteState.sessions.forEach((remoteSession) => {
-      // skip empty chats
-      if (remoteSession.messages.length === 0) return;
-
-      const localSession = localSessions[remoteSession.id];
-      if (!localSession) {
-        // if remote session is new, just merge it
-        localState.sessions.push(remoteSession);
-      } else {
-        // if both have the same session id, merge the messages
-        const localMessageIds = new Set(localSession.messages.map((v) => v.id));
-        remoteSession.messages.forEach((m) => {
-          if (!localMessageIds.has(m.id)) {
-            localSession.messages.push(m);
-          }
-        });
-
-        // sort local messages with date field in asc order
-        localSession.messages.sort(
-          (a, b) => new Date(a.date).getTime() - new Date(b.date).getTime(),
-        );
-      }
-    });
-
-    // sort local sessions with date field in desc order
-    localState.sessions.sort(
-      (a, b) =>
-        new Date(b.lastUpdate).getTime() - new Date(a.lastUpdate).getTime(),
-    );
-
-    return localState;
-  },
-  [StoreKey.Prompt]: (localState, remoteState) => {
-    localState.prompts = {
-      ...remoteState.prompts,
-      ...localState.prompts,
-    };
-    return localState;
-  },
-  [StoreKey.Mask]: (localState, remoteState) => {
-    localState.masks = {
-      ...remoteState.masks,
-      ...localState.masks,
-    };
-    return localState;
-  },
-  [StoreKey.Config]: mergeWithUpdate<AppState[StoreKey.Config]>,
-  [StoreKey.Access]: mergeWithUpdate<AppState[StoreKey.Access]>,
-};
-
-export function getLocalAppState() {
-  const appState = Object.fromEntries(
-    Object.entries(LocalStateGetters).map(([key, getter]) => {
-      return [key, getter()];
-    }),
-  ) as AppState;
-
-  return appState;
-}
-
-export function setLocalAppState(appState: AppState) {
-  Object.entries(LocalStateSetters).forEach(([key, setter]) => {
-    setter(appState[key as keyof AppState]);
-  });
-}
-
-export function mergeAppState(localState: AppState, remoteState: AppState) {
-  Object.keys(localState).forEach(<T extends keyof AppState>(k: string) => {
-    const key = k as T;
-    const localStoreState = localState[key];
-    const remoteStoreState = remoteState[key];
-    MergeStates[key](localStoreState, remoteStoreState);
-  });
-
-  return localState;
-}
-
-/**
- * Merge state with `lastUpdateTime`, older state will be override
- */
-export function mergeWithUpdate<T extends { lastUpdateTime?: number }>(
-  localState: T,
-  remoteState: T,
-) {
-  const localUpdateTime = localState.lastUpdateTime ?? 0;
-  const remoteUpdateTime = localState.lastUpdateTime ?? 1;
-
-  if (localUpdateTime < remoteUpdateTime) {
-    merge(remoteState, localState);
-    return { ...remoteState };
-  } else {
-    merge(localState, remoteState);
-    return { ...localState };
-  }
-}
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