fix: enhance logic

frontend/src/contexts/auth.context.tsx

@@ -101,21 +101,18 @@ export const AuthProvider = ({ children }: AuthProviderProps): JSX.Element => {
     setUser(user);
   };
   const isAuthenticated = !!user;
+  const { subscribe } = useBroadcastChannel();
 
   useEffect(() => {
     const search = location.search;
 
     setSearch(search);
     setIsReady(true);
-  }, []);
 
-  const { subscribe } = useBroadcastChannel();
-
-  subscribe((message) => {
-    if (message.data === "logout") {
+    subscribe("logout", () => {
       router.reload();
-    }
-  });
+    });
+  }, []);
 
   if (!isReady || isLoading) return <Progress />;
 

frontend/src/contexts/broadcast-channel.context.tsx

@@ -12,98 +12,123 @@ import {
   ReactNode,
   useContext,
   useEffect,
-  useMemo,
   useRef,
 } from "react";
 
-import { useTabUuid } from "@/hooks/useTabUuid";
+import { generateId } from "@/utils/generateId";
+
+export enum EBCEvent {
+  LOGOUT = "logout",
+}
+
+type BroadcastChannelPayload = {
+  event: `${EBCEvent}`;
+  data?: string | number | boolean | Record<string, unknown> | undefined | null;
+};
 
 export type BroadcastChannelData = {
   tabId: string;
-  data: string | number | boolean | Record<string, unknown> | undefined | null;
+  payload: BroadcastChannelPayload;
 };
 
 export interface IBroadcastChannelProps {
   channelName: string;
-  children?: ReactNode;
+  children: ReactNode;
 }
 
-export const BroadcastChannelContext = createContext<{
-  subscribers: ((message: BroadcastChannelData) => void)[];
-  subscribe: (callback: (message: BroadcastChannelData) => void) => () => void;
-  postMessage: (message: BroadcastChannelData) => void;
-}>({
-  subscribers: [],
+const getOrCreateTabId = () => {
+  let storedTabId = sessionStorage.getItem("tab_uuid");
+
+  if (storedTabId) {
+    return storedTabId;
+  }
+
+  storedTabId = generateId();
+  sessionStorage.setItem("tab_uuid", storedTabId);
+
+  return storedTabId;
+};
+
+interface IBroadcastChannelContext {
+  subscribe: (
+    event: `${EBCEvent}`,
+    callback: (message: BroadcastChannelData) => void,
+  ) => () => void;
+  postMessage: (payload: BroadcastChannelPayload) => void;
+}
+
+export const BroadcastChannelContext = createContext<IBroadcastChannelContext>({
   subscribe: () => () => {},
   postMessage: () => {},
 });
 
 export const BroadcastChannelProvider: FC<IBroadcastChannelProps> = ({
-  channelName,
   children,
+  channelName,
 }) => {
-  const channelRef = useRef<BroadcastChannel | null>(null);
-  const subscribersRef = useRef<Array<(message: BroadcastChannelData) => void>>(
-    [],
+  const channelRef = useRef<BroadcastChannel>(
+    new BroadcastChannel(channelName),
   );
-  const tabUuidRef = useTabUuid();
+  const subscribersRef = useRef<
+    Record<string, Array<(message: BroadcastChannelData) => void>>
+  >({});
+  const tabUuid = getOrCreateTabId();
 
   useEffect(() => {
-    const channel = new BroadcastChannel(channelName);
+    const handleMessage = ({ data }: MessageEvent<BroadcastChannelData>) => {
+      const { tabId, payload } = data;
 
-    channelRef.current = channel;
+      if (tabId === tabUuid) {
+        return;
+      }
 
-    const handleMessage = (event: MessageEvent) => {
-      const { tabId, data } = event.data;
-
-      if (tabId === tabUuidRef.current) return;
-
-      subscribersRef.current.forEach((callback) => callback(data));
+      subscribersRef.current[payload.event]?.forEach((callback) =>
+        callback(data),
+      );
     };
 
-    channel.addEventListener("message", handleMessage);
+    channelRef.current.addEventListener("message", handleMessage);
 
     return () => {
-      channel.removeEventListener("message", handleMessage);
-      channel.close();
+      channelRef.current.removeEventListener("message", handleMessage);
+      channelRef.current.close();
     };
-  }, [channelName, tabUuidRef]);
+  }, []);
 
-  const postMessage = (message: BroadcastChannelData) => {
-    channelRef.current?.postMessage({
-      tabId: tabUuidRef.current,
-      data: message,
-    });
-  };
-  const subscribe = (callback: (message: BroadcastChannelData) => void) => {
-    subscribersRef.current.push(callback);
+  const subscribe: IBroadcastChannelContext["subscribe"] = (
+    event,
+    callback,
+  ) => {
+    subscribersRef.current[event] ??= [];
+    subscribersRef.current[event]?.push(callback);
 
     return () => {
-      const index = subscribersRef.current.indexOf(callback);
+      const index = subscribersRef.current[event]?.indexOf(callback) ?? -1;
 
       if (index !== -1) {
-        subscribersRef.current.splice(index, 1);
+        subscribersRef.current[event]?.splice(index, 1);
       }
     };
   };
-  const contextValue = useMemo(
-    () => ({
-      subscribers: subscribersRef.current,
-      subscribe,
-      postMessage,
-    }),
-    [],
-  );
+  const postMessage: IBroadcastChannelContext["postMessage"] = (payload) => {
+    channelRef.current?.postMessage({
+      tabId: tabUuid,
+      payload,
+    });
+  };
 
   return (
-    <BroadcastChannelContext.Provider value={contextValue}>
+    <BroadcastChannelContext.Provider
+      value={{
+        subscribe,
+        postMessage,
+      }}
+    >
       {children}
     </BroadcastChannelContext.Provider>
   );
 };
 
-export default BroadcastChannelProvider;
-
 export const useBroadcastChannel = () => {
   const context = useContext(BroadcastChannelContext);
 
@@ -115,3 +140,5 @@ export const useBroadcastChannel = () => {
 
   return context;
 };
+
+export default BroadcastChannelProvider;

frontend/src/hooks/entities/auth-hooks.ts

@@ -23,7 +23,6 @@ import { useSocket } from "@/websocket/socket-hooks";
 import { useFind } from "../crud/useFind";
 import { useApiClient } from "../useApiClient";
 import { CURRENT_USER_KEY, useAuth, useLogoutRedirection } from "../useAuth";
-import { useTabUuid } from "../useTabUuid";
 import { useToast } from "../useToast";
 import { useTranslate } from "../useTranslate";
 
@@ -61,7 +60,6 @@ export const useLogout = (
   const { toast } = useToast();
   const { t } = useTranslate();
   const { postMessage } = useBroadcastChannel();
-  const uuid = useTabUuid();
 
   return useMutation({
     ...options,
@@ -72,7 +70,7 @@ export const useLogout = (
     },
     onSuccess: async () => {
       queryClient.removeQueries([CURRENT_USER_KEY]);
-      postMessage({ data: "logout", tabId: uuid.current || "" });
+      postMessage({ event: "logout" });
       await logoutRedirection();
       toast.success(t("message.logout_success"));
     },

frontend/src/hooks/useTabUuid.ts

@@ -1,30 +0,0 @@
-/*
- * Copyright © 2025 Hexastack. All rights reserved.
- *
- * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
- * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
- * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
- */
-
-import { useRef } from "react";
-
-import { generateId } from "@/utils/generateId";
-
-const getOrCreateTabId = () => {
-  let storedTabId = sessionStorage.getItem("tab_uuid");
-
-  if (storedTabId) {
-    return storedTabId;
-  }
-
-  storedTabId = generateId();
-  sessionStorage.setItem("tab_uuid", storedTabId);
-
-  return storedTabId;
-};
-
-export const useTabUuid = () => {
-  const tabUuidRef = useRef<string>(getOrCreateTabId());
-
-  return tabUuidRef;
-};

widget/src/hooks/useTabUuid.ts

@@ -1,30 +0,0 @@
-/*
- * Copyright © 2025 Hexastack. All rights reserved.
- *
- * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
- * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
- * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
- */
-
-import { useRef } from "react";
-
-import { generateId } from "../utils/generateId";
-
-const getOrCreateTabId = () => {
-  let storedTabId = sessionStorage.getItem("tab_uuid");
-
-  if (storedTabId) {
-    return storedTabId;
-  }
-
-  storedTabId = generateId();
-  sessionStorage.setItem("tab_uuid", storedTabId);
-
-  return storedTabId;
-};
-
-export const useTabUuid = () => {
-  const tabUuidRef = useRef<string>(getOrCreateTabId());
-
-  return tabUuidRef;
-};

widget/src/providers/BroadcastChannelProvider.tsx

@@ -12,99 +12,125 @@ import {
   ReactNode,
   useContext,
   useEffect,
-  useMemo,
   useRef,
 } from "react";
 
-import { useTabUuid } from "../hooks/useTabUuid";
+import { generateId } from "../utils/generateId";
+
+export enum EBCEvent {
+  LOGOUT = "logout",
+}
+
+type BroadcastChannelPayload = {
+  event: `${EBCEvent}`;
+  data?: string | number | boolean | Record<string, unknown> | undefined | null;
+};
 
 export type BroadcastChannelData = {
   tabId: string;
-  data: string | number | boolean | Record<string, unknown> | undefined | null;
+  payload: BroadcastChannelPayload;
 };
 
 export interface IBroadcastChannelProps {
   channelName: string;
-  children?: ReactNode;
+  children: ReactNode;
 }
 
-export const BroadcastChannelContext = createContext<{
-  subscribers: ((message: BroadcastChannelData) => void)[];
-  subscribe: (callback: (message: BroadcastChannelData) => void) => () => void;
-  postMessage: (message: BroadcastChannelData) => void;
-}>({
-  subscribers: [],
+const getOrCreateTabId = () => {
+  let storedTabId = sessionStorage.getItem("tab_uuid");
+
+  if (storedTabId) {
+    return storedTabId;
+  }
+
+  storedTabId = generateId();
+  sessionStorage.setItem("tab_uuid", storedTabId);
+
+  return storedTabId;
+};
+
+interface IBroadcastChannelContext {
+  subscribe: (
+    event: `${EBCEvent}`,
+    callback: (message: BroadcastChannelData) => void,
+  ) => () => void;
+  postMessage: (payload: BroadcastChannelPayload) => void;
+}
+
+export const BroadcastChannelContext = createContext<IBroadcastChannelContext>({
   subscribe: () => () => {},
   postMessage: () => {},
 });
 
 export const BroadcastChannelProvider: FC<IBroadcastChannelProps> = ({
-  channelName,
   children,
+  channelName,
 }) => {
-  const channelRef = useRef<BroadcastChannel | null>(null);
-  const subscribersRef = useRef<Array<(message: BroadcastChannelData) => void>>(
-    [],
+  const channelRef = useRef<BroadcastChannel>(
+    new BroadcastChannel(channelName),
   );
-  const tabUuidRef = useTabUuid();
+  const subscribersRef = useRef<
+    Record<string, Array<(message: BroadcastChannelData) => void>>
+  >({});
+  const tabUuid = getOrCreateTabId();
 
   useEffect(() => {
-    const channel = new BroadcastChannel(channelName);
+    const handleMessage = ({ data }: MessageEvent<BroadcastChannelData>) => {
+      const { tabId, payload } = data;
 
-    channelRef.current = channel;
+      if (tabId === tabUuid) {
+        return;
+      }
 
-    const handleMessage = (event: MessageEvent) => {
-      const { tabId, data } = event.data;
-
-      if (tabId === tabUuidRef.current) return;
-
-      subscribersRef.current.forEach((callback) => callback(data));
+      subscribersRef.current[payload.event]?.forEach((callback) =>
+        callback(data),
+      );
     };
 
-    channel.addEventListener("message", handleMessage);
+    channelRef.current.addEventListener("message", handleMessage);
 
     return () => {
-      channel.removeEventListener("message", handleMessage);
-      channel.close();
+      channelRef.current.removeEventListener("message", handleMessage);
+      // eslint-disable-next-line react-hooks/exhaustive-deps
+      channelRef.current.close();
     };
-  }, [channelName, tabUuidRef]);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
 
-  const postMessage = (message: BroadcastChannelData) => {
-    channelRef.current?.postMessage({
-      tabId: tabUuidRef.current,
-      data: message,
-    });
-  };
-  const subscribe = (callback: (message: BroadcastChannelData) => void) => {
-    subscribersRef.current.push(callback);
+  const subscribe: IBroadcastChannelContext["subscribe"] = (
+    event,
+    callback,
+  ) => {
+    subscribersRef.current[event] ??= [];
+    subscribersRef.current[event]?.push(callback);
 
     return () => {
-      const index = subscribersRef.current.indexOf(callback);
+      const index = subscribersRef.current[event]?.indexOf(callback) ?? -1;
 
       if (index !== -1) {
-        subscribersRef.current.splice(index, 1);
+        subscribersRef.current[event]?.splice(index, 1);
       }
     };
   };
-  const contextValue = useMemo(
-    () => ({
-      subscribers: subscribersRef.current,
-      subscribe,
-      postMessage,
-    }),
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-    [],
-  );
+  const postMessage: IBroadcastChannelContext["postMessage"] = (payload) => {
+    channelRef.current?.postMessage({
+      tabId: tabUuid,
+      payload,
+    });
+  };
 
   return (
-    <BroadcastChannelContext.Provider value={contextValue}>
+    <BroadcastChannelContext.Provider
+      value={{
+        subscribe,
+        postMessage,
+      }}
+    >
       {children}
     </BroadcastChannelContext.Provider>
   );
 };
 
-export default BroadcastChannelProvider;
-
 export const useBroadcastChannel = () => {
   const context = useContext(BroadcastChannelContext);
 
@@ -116,3 +142,5 @@ export const useBroadcastChannel = () => {
 
   return context;
 };
+
+export default BroadcastChannelProvider;

widget/src/providers/ChatProvider.tsx

@@ -385,6 +385,8 @@ const ChatProvider: React.FC<{
     }
   }, [syncState, isOpen]);
 
+  const { subscribe } = useBroadcastChannel();
+
   useEffect(() => {
     if (screen === "chat" && connectionState === ConnectionState.connected) {
       handleSubscription();
@@ -404,6 +406,10 @@ const ChatProvider: React.FC<{
 
     socketCtx.socket.io.on("reconnect", reSubscribe);
 
+    subscribe("logout", () => {
+      socketCtx.socket.disconnect();
+    });
+
     return () => {
       socketCtx.socket.io.off("reconnect", reSubscribe);
     };
@@ -452,13 +458,6 @@ const ChatProvider: React.FC<{
     setMessage,
     handleSubscription,
   };
-  const { subscribe } = useBroadcastChannel();
-
-  subscribe(({ data }) => {
-    if (data === "logout") {
-      socketCtx.socket.disconnect();
-    }
-  });
 
   return (
     <ChatContext.Provider value={contextValue}>{children}</ChatContext.Provider>