优化Assistant.vue组件中的Modal初始化，调整useAiChat.ts中的消息处理逻辑，简化package.json中的workerDirectory格式。

frontend/package.json

@@ -59,8 +59,6 @@
 		"vue-tsc": "^2.2.8"
 	},
 	"msw": {
-		"workerDirectory": [
-			"public"
-		]
+		"workerDirectory": ["public"]
 	}
 }

frontend/src/components/common/Assistant.vue

@@ -443,10 +443,7 @@ onMounted(async () => {
 	const $userDeleteModalElement: HTMLElement | null =
 		document.querySelector("#user-delete-modal");
 	if ($userDeleteModalElement) {
-		userDeleteModal.value = new Modal(
-			$userDeleteModalElement,
-			{}
-		);
+		userDeleteModal.value = new Modal($userDeleteModalElement, {});
 	}
 	const $departmentDeleteModalElement: HTMLElement | null =
 		document.querySelector("#department-delete-modal");

frontend/src/composables/ai/useAiChat.ts

@@ -111,19 +111,23 @@ export const useAiChat = () => {
 	const searchAction = async (message: string) => {
 		isLoading.value = true;
 		try {
-			const { data } = await client.POST("/ai/action/search", {
-				body: message,
-			});
 			messages.value.push({
-				content: data?.action
-					? "搜索到功能，请您执行。"
-					: "未搜索到指定功能，请告诉我更加准确的信息。",
+				content: "",
 				type: "action",
 				isUser: false,
 				username: "知路智能体",
-				command: data?.action,
+				command: undefined,
 			});
-			return data;
+			const { data } = await client.POST("/ai/action/search", {
+				body: message,
+			});
+			messages.value[messages.value.length - 1].content = data?.action
+				? "搜索到功能，请您执行。"
+				: "未搜索到指定功能，请告诉我更加准确的信息。";
+			messages.value[messages.value.length - 1].command = data?.action;
+		} catch (error) {
+			messages.value.pop();
+			throw error;
 		} finally {
 			isLoading.value = false;
 		}