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;

resources/js/chat-room/message-utils.js

@@ -78,3 +78,42 @@ export function localClearScreen(roomId = window.chatContext?.roomId, maxMessage
         publicPane.scrollTop = publicPane.scrollHeight;
     }
 }
+
+/**
+ * 同步自动滚屏复选框与状态文字。
+ *
+ * @param {boolean} enabled 是否开启自动滚屏
+ * @returns {void}
+ */
+export function syncAutoScrollControls(enabled) {
+    const checkbox = document.getElementById("auto_scroll");
+    const status = document.getElementById("scroll-status");
+
+    if (checkbox) {
+        checkbox.checked = enabled;
+    }
+
+    if (status) {
+        status.textContent = enabled ? "开" : "关";
+    }
+}
+
+/**
+ * 切换自动滚屏状态。
+ * 真实状态仍由 Blade 大脚本闭包保存，这里通过 getter/setter 桥接，避免 Vite 模块持有第二份状态。
+ *
+ * @param {() => boolean} getCurrent 读取当前状态
+ * @param {(enabled:boolean) => void} setCurrent 写回当前状态
+ * @returns {boolean}
+ */
+export function toggleAutoScroll(getCurrent, setCurrent) {
+    const nextEnabled = !Boolean(typeof getCurrent === "function" ? getCurrent() : true);
+
+    if (typeof setCurrent === "function") {
+        setCurrent(nextEnabled);
+    }
+
+    syncAutoScrollControls(nextEnabled);
+
+    return nextEnabled;
+}

resources/views/chat/partials/scripts.blade.php

@@ -49,6 +49,10 @@
     let autoScroll = true;
     // 给已迁移到 Vite 的模块只读判断自动滚动状态，避免直接依赖 Blade 脚本作用域。
     window.isChatAutoScrollEnabled = () => autoScroll;
+    // 给 Vite 模块显式写回自动滚屏状态，避免模块和 Blade 闭包各自维护一份状态。
+    window.setChatAutoScrollEnabled = (enabled) => {
+        autoScroll = Boolean(enabled);
+    };
     let userBadgeRotationTick = 0;
     let userListRenderTimer = null;
     let _maxMsgId = 0; // 记录当前收到的最大消息 ID
@@ -1757,7 +1761,7 @@
     const autoScrollEl = document.getElementById('auto_scroll');
     if (autoScrollEl) {
         autoScrollEl.addEventListener('change', function() {
-            autoScroll = this.checked;
+            window.setChatAutoScrollEnabled(this.checked);
         });
     }
 
@@ -3648,6 +3652,14 @@
 
     // ── 滚屏开关 ─────────────────────────────────────
     function toggleAutoScroll() {
+        if (window.ChatRoomTools?.toggleAutoScroll) {
+            window.ChatRoomTools.toggleAutoScroll(
+                () => autoScroll,
+                (enabled) => window.setChatAutoScrollEnabled(enabled)
+            );
+            return;
+        }
+
         autoScroll = !autoScroll;
         const cb = document.getElementById('auto_scroll');
         if (cb) cb.checked = autoScroll;