diff --git a/resources/js/chat-room/dialog.js b/resources/js/chat-room/dialog.js
index d5d555a..df6e857 100644
--- a/resources/js/chat-room/dialog.js
+++ b/resources/js/chat-room/dialog.js
@@ -1,6 +1,183 @@
-// 聊天室全局弹窗事件绑定，替代 Blade 内联 onclick。
+// 聊天室全局弹窗组件，提供 alert / confirm / prompt API 与按钮事件绑定。
 
 let globalDialogEventsBound = false;
+let dialogResolve = null;
+let currentDialogType = "alert";
+
+/**
+ * 按 ID 读取全局弹窗节点。
+ *
+ * @param {string} id
+ * @returns {HTMLElement|null}
+ */
+function getDialogElement(id) {
+    return document.getElementById(id);
+}
+
+/**
+ * 打开弹窗并按模式同步标题、内容、输入框和按钮状态。
+ *
+ * @param {object} options
+ * @param {string} options.message
+ * @param {string} options.title
+ * @param {string} options.color
+ * @param {string} options.type
+ * @param {string} [options.defaultVal]
+ * @returns {void}
+ */
+function openDialog({ message, title, color, type, defaultVal }) {
+    currentDialogType = type;
+
+    const header = getDialogElement("global-dialog-header");
+    const messageBox = getDialogElement("global-dialog-message");
+    const confirmButton = getDialogElement("global-dialog-confirm-btn");
+    const inputWrap = getDialogElement("global-dialog-input-wrap");
+    const inputElement = getDialogElement("global-dialog-input");
+    const cancelButton = getDialogElement("global-dialog-cancel-btn");
+    const modal = getDialogElement("global-dialog-modal");
+
+    if (!header || !messageBox || !confirmButton || !inputWrap || !(inputElement instanceof HTMLTextAreaElement) || !cancelButton || !modal) {
+        return;
+    }
+
+    header.textContent = title;
+    header.style.background = color;
+    messageBox.textContent = message;
+    confirmButton.style.background = color;
+
+    if (type === "prompt") {
+        inputElement.value = defaultVal ?? "";
+        inputWrap.style.display = "";
+        window.setTimeout(() => {
+            inputElement.focus();
+            inputElement.select();
+        }, 80);
+    } else {
+        inputWrap.style.display = "none";
+        inputElement.value = "";
+    }
+
+    cancelButton.style.display = type === "confirm" || type === "prompt" ? "" : "none";
+    confirmButton.style.flex = type === "alert" ? "1 1 100%" : "1";
+    modal.style.display = "flex";
+}
+
+/**
+ * 隐藏弹窗并重置 Promise 回调状态。
+ *
+ * @returns {void}
+ */
+function hideDialog() {
+    const modal = getDialogElement("global-dialog-modal");
+    if (modal) {
+        modal.style.display = "none";
+    }
+
+    dialogResolve = null;
+    currentDialogType = "alert";
+}
+
+/**
+ * 创建兼容旧调用点的全局 chatDialog API。
+ *
+ * @returns {object}
+ */
+function createChatDialogApi() {
+    return {
+        /**
+         * 显示提示弹窗。
+         *
+         * @param {string} message
+         * @param {string} title
+         * @param {string} color
+         * @returns {Promise<void>}
+         */
+        alert(message, title = "提示", color = "#336699") {
+            return new Promise((resolve) => {
+                dialogResolve = resolve;
+                openDialog({ message, title, color, type: "alert" });
+            });
+        },
+
+        /**
+         * 显示确认弹窗。
+         *
+         * @param {string} message
+         * @param {string} title
+         * @param {string} color
+         * @returns {Promise<boolean>}
+         */
+        confirm(message, title = "请确认", color = "#cc4444") {
+            return new Promise((resolve) => {
+                dialogResolve = resolve;
+                openDialog({ message, title, color, type: "confirm" });
+            });
+        },
+
+        /**
+         * 显示文本输入弹窗。
+         *
+         * @param {string} message
+         * @param {string} defaultVal
+         * @param {string} title
+         * @param {string} color
+         * @returns {Promise<string|null>}
+         */
+        prompt(message, defaultVal = "", title = "请输入", color = "#336699") {
+            return new Promise((resolve) => {
+                dialogResolve = resolve;
+                openDialog({ message, title, color, type: "prompt", defaultVal });
+            });
+        },
+
+        /**
+         * 确认当前弹窗。
+         *
+         * @returns {void}
+         */
+        _confirm() {
+            if (currentDialogType === "prompt") {
+                dialogResolve?.(getDialogElement("global-dialog-input")?.value ?? "");
+            } else if (currentDialogType === "confirm") {
+                dialogResolve?.(true);
+            } else {
+                dialogResolve?.();
+            }
+
+            hideDialog();
+        },
+
+        /**
+         * 取消当前弹窗。
+         *
+         * @returns {void}
+         */
+        _cancel() {
+            dialogResolve?.(currentDialogType === "prompt" ? null : false);
+            hideDialog();
+        },
+
+        /**
+         * 直接隐藏当前弹窗。
+         *
+         * @returns {void}
+         */
+        _hide() {
+            hideDialog();
+        },
+    };
+}
+
+/**
+ * 确保全局 chatDialog API 已挂载。
+ *
+ * @returns {void}
+ */
+function ensureChatDialog() {
+    if (!window.chatDialog) {
+        window.chatDialog = createChatDialogApi();
+    }
+}
 
 /**
  * 绑定全局弹窗确认与取消按钮。
@@ -13,6 +190,8 @@ export function bindGlobalDialogControls() {
     }
 
     globalDialogEventsBound = true;
+    ensureChatDialog();
+
     document.addEventListener("click", (event) => {
         if (!(event.target instanceof Element)) {
             return;
diff --git a/resources/views/chat/partials/global-dialog.blade.php b/resources/views/chat/partials/global-dialog.blade.php
index dd473ac..25b615b 100644
--- a/resources/views/chat/partials/global-dialog.blade.php
+++ b/resources/views/chat/partials/global-dialog.blade.php
@@ -93,131 +93,3 @@
         opacity: .88;
     }
 </style>
-
-<script>
-    /**
-     * 全局弹窗工具，提供 alert / confirm 两种模式。
-     * 替代浏览器原生弹窗，兼容 Chrome/Edge/Safari。
-     *
-     * 用法：
-     *   await window.chatDialog.alert('操作成功！', '提示', '#16a34a');
-     *   const yes = await window.chatDialog.confirm('确定要删除吗？', '请确认');
-     *   if (yes) { ... }
-     */
-    window.chatDialog = (function() {
-        let _resolve = null;
-        let _currentType = 'alert';
-
-        const $ = id => document.getElementById(id);
-
-        /** 打开弹窗内部方法 */
-        function _open({ message, title, color, type, defaultVal }) {
-            _currentType = type;
-
-            $('global-dialog-header').textContent = title;
-            $('global-dialog-header').style.background = color;
-            $('global-dialog-message').textContent = message;
-            $('global-dialog-confirm-btn').style.background = color;
-
-            // prompt 模式显示输入框，并填入默认值
-            const inputWrap = $('global-dialog-input-wrap');
-            const inputEl   = $('global-dialog-input');
-            if (type === 'prompt') {
-                inputEl.value = defaultVal ?? '';
-                inputWrap.style.display = '';
-                // 弹出后自动聚焦
-                setTimeout(() => { inputEl.focus(); inputEl.select(); }, 80);
-            } else {
-                inputWrap.style.display = 'none';
-                inputEl.value = '';
-            }
-
-            // alert 模式隐藏取消按钮
-            const cancelBtn = $('global-dialog-cancel-btn');
-            cancelBtn.style.display = (type === 'confirm' || type === 'prompt') ? '' : 'none';
-
-            // alert 模式确认按钮撑满
-            $('global-dialog-confirm-btn').style.flex = type === 'alert' ? '1 1 100%' : '1';
-
-            $('global-dialog-modal').style.display = 'flex';
-        }
-
-        return {
-            /**
-             * 显示提示弹窗（替代 alert）。
-             *
-             * @param  {string}  message  提示内容
-             * @param  {string}  title    标题（默认：提示）
-             * @param  {string}  color    标题栏颜色（默认蓝色）
-             * @return {Promise<void>}
-             */
-            alert(message, title = '提示', color = '#336699') {
-                return new Promise(resolve => {
-                    _resolve = resolve;
-                    _open({ message, title, color, type: 'alert' });
-                });
-            },
-
-            /**
-             * 显示确认弹窗（替代 confirm）。
-             *
-             * @param  {string}  message  确认内容
-             * @param  {string}  title    标题（默认：请确认）
-             * @param  {string}  color    标题栏颜色（默认红色）
-             * @return {Promise<boolean>} 用户点确定返回 true，取消返回 false
-             */
-            confirm(message, title = '请确认', color = '#cc4444') {
-                return new Promise(resolve => {
-                    _resolve = resolve;
-                    _open({ message, title, color, type: 'confirm' });
-                });
-            },
-
-            /**
-             * 显示文本输入弹窗（替代 prompt）。
-             *
-             * @param  {string}  message     提示文字
-             * @param  {string}  defaultVal  输入框默认值
-             * @param  {string}  title       标题（默认：请输入）
-             * @param  {string}  color       标题栏颜色（默认蓝色）
-             * @return {Promise<string|null>} 确定返回输入内容，取消返回 null
-             */
-            prompt(message, defaultVal = '', title = '请输入', color = '#336699') {
-                return new Promise(resolve => {
-                    _resolve = resolve;
-                    _open({ message, title, color, type: 'prompt', defaultVal });
-                });
-            },
-
-            /** 点确定按钮 */
-            _confirm() {
-                if (_currentType === 'prompt') {
-                    // prompt 模式：返回输入框内容
-                    _resolve?.($('global-dialog-input').value);
-                } else if (_currentType === 'confirm') {
-                    _resolve?.(true);
-                } else {
-                    _resolve?.();
-                }
-                this._hide();
-            },
-
-            /** 点取消按钮 */
-            _cancel() {
-                if (_currentType === 'prompt') {
-                    _resolve?.(null);
-                } else {
-                    _resolve?.(false);
-                }
-                this._hide();
-            },
-
-            /** 关闭弹窗 */
-            _hide() {
-                $('global-dialog-modal').style.display = 'none';
-                _resolve = null;
-                _currentType = 'alert';
-            },
-        };
-    })();
-</script>