fix(ai-nutritionist): unwrap double-layer Coze API responses

CRMEB wraps CozeBaseResponse again, so chat/retrieve/message payloads live at response.data.data. Added unwrapCozeResponse() and applied it to sendToAI, pollChatStatus, and getChatMessages. Updated test log.

Made-with: Cursor

docs/Testing/test-0325-1.md

@@ -0,0 +1,23 @@
+# 手动测试问题
+
+## 页面（pages/tool/food-encyclopedia）测试
+- 1. **已修复**页面（pages/tool/food-encyclopedia）报错：
+- 2. **已修复**页面（pages/tool/food-encyclopedia）中class="category-badge"改成显示中文
+- 3. **已修复**页面（pages/tool/food-encyclopedia）点击进入详情页
+
+## 页面（pages/tool/nutrient-detail?name=%E9%92%BE）
+
+- 1. **已修复**显示空白页，返回数据为空，如果是因为v2_knowledge 表尚无营养素数据，通过ai生成需要的数据可以插入到v2_knowledge表中
+
+
+## 页面（pages/tool/ai-nutritionist）
+
+- 1. 优化方案：/Users/a123/msh-system/docs/功能开发详细设计_2026-03-25.md
+- 2. 对话响应还是很慢，是否可以使用SSE流式对话来优化响应速度？
+- 3. **已修复** 会话错误："发起对话失败：未返回会话或对话ID"
+
+
+# 参考文档
+
+- 1. /Users/a123/msh-system/docs/测试问题分析报告_2026-03-22.md
+- 2. /Users/a123/msh-system/docs/功能开发详细设计_2026-03-25.md

msh_single_uniapp/pages/tool/ai-nutritionist.vue

@@ -637,6 +637,19 @@ export default {
 			return new Promise(resolve => setTimeout(resolve, ms));
 		},
 
+		/**
+		 * 解包 Coze API 响应：后端返回双层包装 { code, data: { code, data: actualPayload } }
+		 * 此方法统一提取最内层的业务数据
+		 */
+		unwrapCozeResponse(response) {
+			if (!response) return null;
+			let data = response.data;
+			if (data && typeof data === 'object' && data.code !== undefined && data.data !== undefined) {
+				data = data.data;
+			}
+			return data;
+		},
+
 		async sendToAI(content, type) {
 			this.isLoading = true;
 
@@ -708,14 +721,16 @@ export default {
 				};
 				if (this.conversationId) requestData.conversationId = this.conversationId;
 			const response = await api.cozeChat(requestData);
-				if (response && response.data) {
+			const cozeData = this.unwrapCozeResponse(response);
-					const chat = response.data.chat || response.data;
+			if (cozeData) {
+					const chat = cozeData.chat || cozeData;
 					const conversationId = chat.conversation_id || chat.conversationID || chat.conversationId;
 					const chatId = chat.id;
 					if (conversationId && chatId) {
 						this.conversationId = conversationId;
 						await this.pollChatStatus(conversationId, chatId, aiMsg);
 					} else {
+						console.error('Coze chat response structure:', JSON.stringify(response));
 						throw new Error('发起对话失败：未返回会话或对话ID');
 					}
 				} else {
@@ -751,9 +766,10 @@ export default {
 					chatId
 				});
 				
-					if (res && res.data) {
+				const retrieveData = this.unwrapCozeResponse(res);
-						console.log("====api.cozeRetrieveChat response====", res.data);
+				if (retrieveData) {
-						const chatObj = res.data.chat || res.data;
+					console.log("====api.cozeRetrieveChat response====", retrieveData);
+					const chatObj = retrieveData.chat || retrieveData;
 					const status = chatObj && chatObj.status;
 						
 					if (status === 'completed') {
@@ -790,8 +806,9 @@ export default {
 			});
 			
 			this.isLoading = false;
-				console.log("====api.cozeMessageList response====", res.data);
+			const msgData = this.unwrapCozeResponse(res);
-				const rawMessages = res && res.data && (Array.isArray(res.data.messages) ? res.data.messages : (Array.isArray(res.data) ? res.data : null));
+			console.log("====api.cozeMessageList response====", msgData);
+			const rawMessages = msgData && (Array.isArray(msgData.messages) ? msgData.messages : (Array.isArray(msgData) ? msgData : null));
 				if (rawMessages && rawMessages.length > 0) {
 					// 过滤出 type='answer' 且 role='assistant' 的消息
 					const answerMsgs = rawMessages.filter(msg => msg.role === 'assistant' && msg.type === 'answer');