diff --git a/sun_badge_menu/static/src/scss/badge.scss b/sun_badge_menu/static/src/scss/badge.scss
new file mode 100644
index 000000000..4e791562b
--- /dev/null
+++ b/sun_badge_menu/static/src/scss/badge.scss
@@ -0,0 +1,29 @@
+/* sun_badge_menu — 菜单角标样式 */
+/* 此模块在菜单名称后注入 .menu-badge 元素，需此文件提供定位样式 */
+
+/* 菜单项容器相对定位，供角标绝对定位参照 */
+.o_app_menu_item,
+.o_navbar_apps_menu_item,
+.show_dropdown_menu .dropdown-item {
+    position: relative;
+}
+
+/* 角标基础样式 */
+.menu-badge {
+    position: absolute;
+    top: 2px;
+    right: 4px;
+    min-width: 18px;
+    height: 18px;
+    padding: 0 5px;
+    border-radius: 9px;
+    background: #dc3545;
+    color: #fff;
+    font-size: 11px;
+    font-weight: 600;
+    line-height: 18px;
+    text-align: center;
+    pointer-events: none;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
+    z-index: 1;
+}
diff --git a/yuthon_ai_agent/static/src/js/ai_chat_open.js b/yuthon_ai_agent/static/src/js/ai_chat_open.js
new file mode 100644
index 000000000..c442c130d
--- /dev/null
+++ b/yuthon_ai_agent/static/src/js/ai_chat_open.js
@@ -0,0 +1,25 @@
+/** @odoo-module **/
+
+import { Component } from "@odoo/owl";
+import { registry } from "@web/core/registry";
+
+/**
+ * Client Action: 打开浮动 AI 聊天框
+ *
+ * 由 ai.rule 的 action_test_guide() 按钮触发，
+ * 创建测试消息后返回此 action，自动弹出浮动聊天面板。
+ */
+class AiChatOpen extends Component {
+    async setup() {
+        super.setup();
+        // 派发自定义事件，通知浮动聊天模块打开并刷新
+        // ai_floating.js 监听此事件
+        window.dispatchEvent(new CustomEvent("yuthon:ai_open_chat", {
+            detail: { forceOpen: true },
+        }));
+    }
+}
+
+AiChatOpen.template = "yuthon_ai_agent.AiChatOpenTemplate";
+
+registry.category("actions").add("yuthon_ai_chat_open", AiChatOpen);