迁移聊天室滚屏状态入口

resources/js/chat-room.js

@@ -249,7 +249,7 @@ export {
     updateRedPacketClaimsUI,
 } from "./chat-room/red-packet-panel.js";
 export { createMessageQueue } from "./chat-room/message-queue.js";
-export { isExpiredChatImageMessage, localClearScreen } from "./chat-room/message-utils.js";
+export { isExpiredChatImageMessage, localClearScreen, syncAutoScrollControls, toggleAutoScroll } from "./chat-room/message-utils.js";
 
 import { escapeHtml, escapeHtmlWithLineBreaks, normalizeSafeChatUrl } from "./chat-room/html.js";
 import { bindAppointmentAnnouncementControls, showAppointmentBanner } from "./chat-room/appointment-announcement.js";
@@ -442,7 +442,7 @@ import {
     updateRedPacketClaimsUI,
 } from "./chat-room/red-packet-panel.js";
 import { createMessageQueue } from "./chat-room/message-queue.js";
-import { isExpiredChatImageMessage, localClearScreen } from "./chat-room/message-utils.js";
+import { isExpiredChatImageMessage, localClearScreen, syncAutoScrollControls, toggleAutoScroll } from "./chat-room/message-utils.js";
 
 if (typeof window !== "undefined") {
     // 保留聚合入口，给新迁移模块、测试和仍在 Blade 内的存量脚本统一读取工具。
@@ -670,6 +670,8 @@ if (typeof window !== "undefined") {
         createMessageQueue,
         isExpiredChatImageMessage,
         localClearScreen,
+        syncAutoScrollControls,
+        toggleAutoScroll,
     };
 
     // 直接挂载只服务暂未迁移的 Blade 调用点；新代码优先通过模块导入或 ChatRoomTools 复用。
@@ -678,6 +680,7 @@ if (typeof window !== "undefined") {
     window.isExpiredChatImageMessage = isExpiredChatImageMessage;
     window.localClearScreen = localClearScreen;
     window.normalizeSafeChatUrl = normalizeSafeChatUrl;
+    window.syncAutoScrollControls = syncAutoScrollControls;
     window.openChatImageLightbox = openChatImageLightbox;
     window.closeFriendPanel = closeFriendPanel;
     window.friendSearch = friendSearch;