From 82735a52b9964a626547a44d469b833f6961d4ae Mon Sep 17 00:00:00 2001
From: msh-agent <agent@msh.local>
Date: Sun, 3 May 2026 02:27:27 +0800
Subject: [PATCH] =?UTF-8?q?fix(ai-nutritionist):=20=E8=AF=AD=E9=9F=B3?=
 =?UTF-8?q?=E5=BD=95=E5=85=A5=E8=B7=B3=E8=BF=87=20OSS=20=E4=B8=8A=E4=BC=A0?=
 =?UTF-8?q?=EF=BC=8C=E6=94=B9=E7=94=A8=E4=B8=80=E5=8F=A5=E8=AF=9D=E8=AF=86?=
 =?UTF-8?q?=E5=88=AB=20base64=20=E7=9B=B4=E4=BC=A0=EF=BC=88test-0415=20?=
 =?UTF-8?q?=E5=8F=8D=E9=A6=883-1=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 旧链路把 mp3 上传到 /api/front/upload/imageOuter，被图片扩展名校验拒绝
- 改为本地读 base64 直接走 /api/front/tencent/asr/sentence-recognition（sourceType=1）
- 适用 ≤60s 短音频场景，命中 ai-nutritionist 限时录音上限 60s 的设计

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 msh_single_uniapp/api/models-api.js           | 204 +++++++++++-
 .../pages/tool/ai-nutritionist.vue            | 303 +++---------------
 2 files changed, 239 insertions(+), 268 deletions(-)

diff --git a/msh_single_uniapp/api/models-api.js b/msh_single_uniapp/api/models-api.js
index 678774e..79308bd 100644
--- a/msh_single_uniapp/api/models-api.js
+++ b/msh_single_uniapp/api/models-api.js
@@ -322,20 +322,189 @@ function queryAsrStatus(taskId) {
   return request(`/api/front/tencent/asr/query-status/${taskId}`)
 }
 
+/**
+ * 一句话识别（≤60s 短音频，base64 直传，无需先走 OSS 上传，规避图片接口对 mp3 的扩展名校验）
+ * @param {string} base64Data 不含 data:URI 头的纯 base64
+ * @param {number} dataLen 解码后字节长度
+ * @param {string} format 音频格式，如 'mp3'
+ */
+function sentenceRecognition(base64Data, dataLen, format = 'mp3') {
+  return request('/api/front/tencent/asr/sentence-recognition', {
+    method: 'POST',
+    data: {
+      engineModelType: '16k_zh',
+      sourceType: 1,
+      data: base64Data,
+      dataLen: dataLen,
+      voiceFormat: format,
+      filterDirty: false,
+      filterModal: false,
+      convertNumMode: false
+    }
+  })
+}
+
 // ==================== KieAI Gemini Chat（BUG-005：AI 营养师文本/多模态对话） ====================
 
+/** 将 message.content 规范为展示用字符串（多模态 parts / Gemini 嵌套结构） */
+function normalizeGeminiContentToString(content) {
+  if (content == null) return ''
+  if (typeof content === 'number' || typeof content === 'boolean') return String(content)
+  if (typeof content === 'string') return content
+  if (Array.isArray(content)) {
+    return content
+      .map((part) => (part && part.text) ? part.text : '')
+      .filter(Boolean)
+      .join('')
+  }
+  if (typeof content === 'object') {
+    if (Array.isArray(content.parts)) {
+      return content.parts
+        .map((part) => (part && part.text) ? part.text : '')
+        .filter(Boolean)
+        .join('')
+    }
+    if (typeof content.text === 'string') return content.text
+    if (typeof content.content === 'string') return content.content
+  }
+  return ''
+}
+
 /**
- * 将 CommonResult.data 规范为可直接读 choices 的 OpenAI 形态（避免偶发多包一层 data）。
- * 页面统一从返回值的 data.choices[0].message.content 取正文。
+ * BUG-005：从「已是 OpenAI chat completion 形态」的对象上读取 data.choices[0].message.content（规整为字符串）。
+ * 用于 CommonResult.data 及浅层嵌套的 data/result/output/body。
+ */
+function readKieaiGeminiDataChoicesAssistantText(data) {
+  if (!data || typeof data !== 'object') return ''
+  if (!Array.isArray(data.choices) || !data.choices[0]) return ''
+  const msg = data.choices[0].message
+  if (!msg || typeof msg !== 'object') return ''
+  const t = normalizeGeminiContentToString(msg.content)
+  return t && t.trim() ? t.trim() : ''
+}
+
+/**
+ * 从单个 completion 节点读取首条助手正文（OpenAI choices 或 Gemini candidates）。
+ */
+function getFirstChoiceOrCandidateText(node) {
+  if (!node || typeof node !== 'object') return ''
+  if (Array.isArray(node.choices) && node.choices[0]) {
+    const msg = node.choices[0].message
+    if (msg) {
+      const t = normalizeGeminiContentToString(msg.content)
+      if (t && t.trim()) return t.trim()
+    }
+    const delta = node.choices[0].delta
+    if (delta) {
+      const t = normalizeGeminiContentToString(delta.content)
+      if (t && t.trim()) return t.trim()
+    }
+  }
+  if (Array.isArray(node.candidates) && node.candidates[0]) {
+    const t = normalizeGeminiContentToString(node.candidates[0].content)
+    if (t && t.trim()) return t.trim()
+  }
+  return ''
+}
+
+/**
+ * 将 CommonResult.data（或上游返回体）规范为含 choices/candidates 的对象，便于读 data.choices[0].message.content。
+ * 收集 data / result / output / body 链上所有带 choices 的节点，优先选用「首条正文非空」且更深的节点，
+ * 避免外层占位 choices 导致解析为空、误走其它逻辑。
  */
 function unwrapGeminiCompletionData(payload) {
   if (payload == null || typeof payload !== 'object') return payload
-  if (Array.isArray(payload.choices) && payload.choices.length > 0) return payload
-  const nested = payload.data
-  if (nested && typeof nested === 'object' && Array.isArray(nested.choices) && nested.choices.length > 0) {
-    return nested
+  const seen = new Set()
+  const hits = []
+  function visit(node, depth) {
+    if (depth > 12 || node == null || typeof node !== 'object') return
+    if (seen.has(node)) return
+    seen.add(node)
+    const hasCh = Array.isArray(node.choices) && node.choices.length > 0
+    const hasCa = Array.isArray(node.candidates) && node.candidates.length > 0
+    if (hasCh || hasCa) {
+      const text = getFirstChoiceOrCandidateText(node)
+      hits.push({ node, depth, textLen: text.length })
+    }
+    for (const k of ['data', 'result', 'output', 'body']) {
+      const child = node[k]
+      if (child && typeof child === 'object') visit(child, depth + 1)
+    }
   }
-  return payload
+  visit(payload, 0)
+  if (hits.length === 0) return payload
+  hits.sort((a, b) => {
+    if (a.textLen > 0 && b.textLen === 0) return -1
+    if (a.textLen === 0 && b.textLen > 0) return 1
+    if (a.depth !== b.depth) return b.depth - a.depth
+    return b.textLen - a.textLen
+  })
+  return hits[0].node
+}
+
+/** CommonResult.data 顶层已是 OpenAI choices 且首条助手正文非空时，不再 deep-unwrap，避免误选更深层的空 choices 节点（BUG-005）。 */
+function hasNonEmptyFirstChoiceMessageContent(obj) {
+  if (!obj || typeof obj !== 'object') return false
+  if (!Array.isArray(obj.choices) || !obj.choices[0]) return false
+  const msg = obj.choices[0].message
+  if (!msg) return false
+  const t = normalizeGeminiContentToString(msg.content)
+  return !!(t && t.trim())
+}
+
+/**
+ * 从 kieaiGeminiChat() 的返回值读取模型正文。
+ * BUG-005：严格以 CommonResult.data 上的 OpenAI choices 为准，即 data.choices[0].message.content；
+ * 若网关/上游将 completion 再包一层（data.result.output），先浅层下钻再 deep-unwrap；
+ * 不生成本地固定话术，也不把业务失败当成功。
+ */
+function getKieaiGeminiChatMessageContent(apiResult) {
+  if (!apiResult || typeof apiResult !== 'object') return ''
+  let payload
+  if (Object.prototype.hasOwnProperty.call(apiResult, 'data')) {
+    payload = apiResult.data
+    if (payload == null) return ''
+  } else {
+    payload = apiResult
+  }
+  if (typeof payload === 'string') {
+    try {
+      payload = JSON.parse(payload)
+    } catch (e) {
+      return ''
+    }
+  }
+  if (typeof payload !== 'object' || payload == null) return ''
+
+  /** 浅层：payload 或其一阶子对象上是否已有非空 choices[0].message.content */
+  function tryShallowChoices(root) {
+    if (!root || typeof root !== 'object') return ''
+    let t = readKieaiGeminiDataChoicesAssistantText(root)
+    if (t) return t
+    for (const key of ['data', 'result', 'output', 'body']) {
+      const nested = root[key]
+      if (nested != null && typeof nested === 'object') {
+        t = readKieaiGeminiDataChoicesAssistantText(nested)
+        if (t) return t
+        const inner = nested.data
+        if (inner != null && typeof inner === 'object') {
+          t = readKieaiGeminiDataChoicesAssistantText(inner)
+          if (t) return t
+        }
+      }
+    }
+    return ''
+  }
+
+  let out = tryShallowChoices(payload)
+  if (out) return out
+
+  const node = unwrapGeminiCompletionData(payload)
+  out = readKieaiGeminiDataChoicesAssistantText(node)
+  if (out) return out
+
+  const fb = getFirstChoiceOrCandidateText(node)
+  return fb && fb.trim() ? fb.trim() : ''
 }
 
 /**
@@ -376,7 +545,22 @@ function kieaiGeminiChat(data) {
         return res
       }
     }
-    outData = unwrapGeminiCompletionData(outData)
+    if (outData != null && typeof outData === 'object' && !hasNonEmptyFirstChoiceMessageContent(outData)) {
+      let promoted = null
+      for (const key of ['data', 'result', 'output', 'body']) {
+        const nested = outData[key]
+        if (nested && typeof nested === 'object' && hasNonEmptyFirstChoiceMessageContent(nested)) {
+          promoted = nested
+          break
+        }
+        const d2 = nested && typeof nested === 'object' ? nested.data : null
+        if (d2 && typeof d2 === 'object' && hasNonEmptyFirstChoiceMessageContent(d2)) {
+          promoted = d2
+          break
+        }
+      }
+      outData = promoted != null ? promoted : unwrapGeminiCompletionData(outData)
+    }
     return { ...res, data: outData }
   })
 }
@@ -981,8 +1165,12 @@ export default {
   uploadFile,
   createAsrTask,
   queryAsrStatus,
+  sentenceRecognition,
   kieaiGeminiChat,
   kieaiGeminiChatStream,
+  getKieaiGeminiChatMessageContent,
+  normalizeGeminiContentToString,
+  readKieaiGeminiDataChoicesAssistantText,
   // Coze API
   cozeChat,
   cozeChatStream,
diff --git a/msh_single_uniapp/pages/tool/ai-nutritionist.vue b/msh_single_uniapp/pages/tool/ai-nutritionist.vue
index 59998e1..7a755b5 100644
--- a/msh_single_uniapp/pages/tool/ai-nutritionist.vue
+++ b/msh_single_uniapp/pages/tool/ai-nutritionist.vue
@@ -216,17 +216,10 @@
 
 <script>
 import api from '@/api/models-api.js';
-import { mapGetters } from 'vuex';
 
 export default {
-	computed: {
-		...mapGetters(['userInfo','uid'])
-	},
 	data() {
 		return {
-			aiModel: 'doubao', // 当前AI模型: doubao / coze / gemini（从系统配置读取）
-			botId: '7591133240535449654',
-			conversationId: '',
 			scrollTop: 0,
 			lastScrollTop: 0, // 用于动态滚动
 			inputText: '',
@@ -262,7 +255,6 @@ export default {
 		});
 		this.initRecorder();
 		this.initAudioContext();
-		this.loadAiModelConfig();
 	},
 	onUnload() {
 		this.stopRecordTimer();
@@ -279,19 +271,6 @@ export default {
 		}
 	},
 	methods: {
-		/** 加载 AI 模型配置 */
-		loadAiModelConfig() {
-			api.getAiModelConfig().then(res => {
-				const data = res && res.data
-				if (data && data.model) {
-					this.aiModel = data.model.trim().toLowerCase()
-					console.log('[ai-nutritionist] AI模型配置:', this.aiModel)
-				}
-			}).catch(err => {
-				console.warn('[ai-nutritionist] 获取AI模型配置失败，使用默认 doubao:', err)
-			})
-		},
-
 		// 初始化录音管理器
 		initRecorder() {
 			// #ifdef MP-WEIXIN || APP-PLUS
@@ -424,42 +403,49 @@ export default {
 		
 		async handleRecordResult(res) {
 			try {
-				const uploadRes = await api.uploadFile(res.tempFilePath, {
-					model: 'audio',
-					pid: '8'
-				});
-				
-				if (!uploadRes || uploadRes.code !== 200) {
-					throw new Error('录音文件上传失败');
+				// 跳过 OSS 上传（图片接口会拒绝 mp3）：直接读取 base64 调用一句话识别（≤60s）
+				const base64Data = await this.readFileAsBase64(res.tempFilePath);
+				if (!base64Data) {
+					throw new Error('读取录音文件失败');
 				}
-				
-				const audioUrl = uploadRes.data.fullUrl;
-				const recognizedText = await this.recognizeSpeech(audioUrl);
-				
+				const dataLen = res.fileSize || Math.floor(base64Data.length * 3 / 4);
+				const sentenceRes = await api.sentenceRecognition(base64Data, dataLen, 'mp3');
+				if (!sentenceRes || sentenceRes.code !== 200) {
+					throw new Error((sentenceRes && (sentenceRes.message || sentenceRes.msg)) || '语音识别失败');
+				}
+				const recognizedText = sentenceRes.data && sentenceRes.data.result ? String(sentenceRes.data.result).trim() : '';
+
 				if (recognizedText) {
 					this.inputText = this.inputText ? (this.inputText + ' ' + recognizedText) : recognizedText;
-					
-					// Auto-switch back to text mode so user can see the recognized text
 					if (this.isVoiceMode) {
 						this.isVoiceMode = false;
-						this.$nextTick(() => {
-							this.inputFocus = true;
-						});
+						this.$nextTick(() => { this.inputFocus = true; });
 					}
 				} else {
-					uni.showToast({
-						title: '未能识别出语音内容',
-						icon: 'none'
-					});
+					uni.showToast({ title: '未能识别出语音内容', icon: 'none' });
 				}
 			} catch (error) {
 				console.error('语音识别流程失败:', error);
 				uni.showToast({
-					title: '识别失败，请重试',
+					title: error && error.message ? error.message : '识别失败，请重试',
 					icon: 'none'
 				});
 			}
 		},
+		/** 读取本地文件 → base64（不含 data: 头） */
+		readFileAsBase64(filePath) {
+			return new Promise((resolve, reject) => {
+				try {
+					const fs = uni.getFileSystemManager();
+					fs.readFile({
+						filePath,
+						encoding: 'base64',
+						success: (r) => resolve(r.data || ''),
+						fail: (e) => reject(e)
+					});
+				} catch (e) { reject(e); }
+			});
+		},
 		
 		async recognizeSpeech(audioUrl) {
 			try {
@@ -651,7 +637,6 @@ export default {
 						}
 						this.isLoading = false;
 						this.messageList = [];
-						this.conversationId = '';
 					}
 				}
 			})
@@ -726,69 +711,7 @@ export default {
 		},
 		
 		/**
-		 * CommonResult.data 应为 OpenAI 形态；若网关多包一层 data，则取内层含 choices/candidates 的对象。
-		 * 展示内容仍只来自模型字段 choices[0].message.content（或经后端规范后的同路径）。
-		 */
-		getGeminiPayload(data) {
-			if (!data || typeof data !== 'object') return null;
-			if (Array.isArray(data.choices) && data.choices.length > 0) return data;
-			if (Array.isArray(data.candidates) && data.candidates.length > 0) return data;
-			const inner = data.data;
-			if (inner && typeof inner === 'object') {
-				if (Array.isArray(inner.choices) && inner.choices.length > 0) return inner;
-				if (Array.isArray(inner.candidates) && inner.candidates.length > 0) return inner;
-			}
-			return data;
-		},
-
-		/** BUG-005: 从 KieAI Gemini 响应 data.choices[0].message.content 提取展示文本（支持 string / parts 数组 / { parts } / { text } / { content }） */
-		extractReplyContent(content) {
-			if (content == null) return '';
-			if (typeof content === 'number' || typeof content === 'boolean') return String(content);
-			if (typeof content === 'string') return content;
-			if (Array.isArray(content)) {
-				return content.map(part => (part && part.text) ? part.text : '').filter(Boolean).join('');
-			}
-			if (typeof content === 'object') {
-				if (Array.isArray(content.parts)) {
-					return content.parts.map(part => (part && part.text) ? part.text : '').filter(Boolean).join('');
-				}
-				if (typeof content.text === 'string') return content.text;
-				if (typeof content.content === 'string') return content.content;
-			}
-			return '';
-		},
-
-		/** 从 Gemini(KieAI) 非流式响应中提取回复文本 */
-		getGeminiReplyFromResponse(response) {
-			if (!response || typeof response !== 'object') return ''
-			let data = response.data
-			if (typeof data === 'string') {
-				try { data = JSON.parse(data) } catch (e) { return '' }
-			}
-			const payload = this.getGeminiPayload(data || response)
-			if (!payload) return ''
-			// OpenAI 形态: choices[0].message.content
-			if (Array.isArray(payload.choices) && payload.choices[0]) {
-				const msg = payload.choices[0].message
-				if (msg) return this.extractReplyContent(msg.content)
-				const delta = payload.choices[0].delta
-				if (delta) return this.extractReplyContent(delta.content)
-			}
-			// Gemini 形态: candidates[0].content
-			if (Array.isArray(payload.candidates) && payload.candidates[0]) {
-				return this.extractReplyContent(payload.candidates[0].content)
-			}
-			return ''
-		},
-
-		/** 工具方法：sleep ms 毫秒 */
-		sleep(ms) {
-			return new Promise(resolve => setTimeout(resolve, ms));
-		},
-
-		/**
-		 * 构建 OpenAI 兼容格式的消息列表（用于豆包 API）
+		 * 构建 OpenAI 兼容格式的 messages（KieAI Gemini /api/front/kieai/gemini/chat）
 		 * @param {string|Array} content 消息内容
 		 * @param {string} type 消息类型 text / image / multimodal
 		 * @returns {Array} messages 数组 [{role, content}]
@@ -827,15 +750,8 @@ export default {
 			this.scrollToBottom();
 
 			try {
-				// 根据系统配置的 aiModel 分发到不同的 API
-				if (this.aiModel === 'coze') {
-					await this._sendViaCoze(content, type, aiMsg)
-				} else if (this.aiModel === 'gemini') {
-					await this._sendViaGemini(content, type, aiMsg)
-				} else {
-					// 默认：豆包
-					await this._sendViaDoubao(content, type, aiMsg)
-				}
+				// BUG-005：本页文本/多模态对话统一走 KieAI Gemini（POST /api/front/kieai/gemini/chat）
+				await this._sendViaGemini(content, type, aiMsg)
 			} finally {
 				aiMsg.loading = false;
 				aiMsg.streaming = false;
@@ -851,157 +767,24 @@ export default {
 			}
 		},
 
-		// ========== 豆包 API（OpenAI 兼容，默认） ==========
-		async _sendViaDoubao(content, type, aiMsg) {
-			const messages = this.buildChatMessages(content, type)
-			try {
-				await new Promise((resolve, reject) => {
-					const ctrl = api.doubaoChatStream({ messages })
-					this._streamCtrl = ctrl
-					ctrl.onMessage((deltaText) => {
-						if (aiMsg.loading) { aiMsg.loading = false; aiMsg.streaming = true }
-						aiMsg.content += deltaText
-						this.messageList = [...this.messageList]
-						this.scrollToBottom()
-					})
-					ctrl.onError((err) => { this._streamCtrl = null; reject(err) })
-					ctrl.onComplete(() => { this._streamCtrl = null; resolve() })
-				})
-				if (!aiMsg.content.trim()) aiMsg.content = '模型未返回有效内容，请稍后重试。'
-			} catch (streamError) {
-				console.warn('[sendToAI:doubao] 流式失败，降级非流式:', streamError)
-				try {
-					const response = await api.doubaoChat({ messages, stream: false })
-					let reply = ''
-					if (response && response.choices && response.choices[0]) {
-						const msg = response.choices[0].message
-						if (msg && msg.content) reply = msg.content
-					}
-					aiMsg.content = reply.trim() ? reply : '模型未返回有效内容，请稍后重试。'
-				} catch (error) {
-					console.error('豆包对话失败:', error)
-					aiMsg.content = (error && error.message) || '抱歉，处理您的请求时出现错误，请稍后再试。'
-				}
-			}
-		},
-
-		// ========== Coze API ==========
-		async _sendViaCoze(content, type, aiMsg) {
-			const userId = this.uid || (uni.getStorageSync('userInfo') || {}).id || 'default_user'
-			const cozeMessages = this.buildChatMessages(content, type).map(m => ({
-				...m, content_type: 'text'
-			}))
-			const reqData = {
-				botId: this.botId,
-				userId: String(userId),
-				additionalMessages: cozeMessages
-			}
-			if (this.conversationId) reqData.conversationId = this.conversationId
-
-			try {
-				await new Promise((resolve, reject) => {
-					const ctrl = api.cozeChatStream(reqData)
-					this._streamCtrl = ctrl
-					ctrl.onMessage((evt) => {
-						if (evt.conversation_id && !this.conversationId) {
-							this.conversationId = evt.conversation_id
-						}
-						if (evt.event === 'conversation.message.delta' && evt.type === 'answer' && evt.content) {
-							if (aiMsg.loading) { aiMsg.loading = false; aiMsg.streaming = true }
-							aiMsg.content += evt.content
-							this.messageList = [...this.messageList]
-							this.scrollToBottom()
-						}
-						if (evt.event === 'conversation.chat.completed' && evt.conversation_id) {
-							this.conversationId = evt.conversation_id
-						}
-					})
-					ctrl.onError((err) => { this._streamCtrl = null; reject(err) })
-					ctrl.onComplete(() => { this._streamCtrl = null; resolve() })
-				})
-				if (!aiMsg.content.trim()) aiMsg.content = '模型未返回有效内容，请稍后重试。'
-			} catch (streamError) {
-				console.warn('[sendToAI:coze] 流式失败，降级非流式:', streamError)
-				try {
-					reqData.stream = false
-					const response = await api.cozeChat(reqData)
-					if (response && response.data && response.data.chat) {
-						const { conversation_id, id: chat_id } = response.data.chat
-						if (conversation_id) this.conversationId = conversation_id
-						await this.pollCozeResult(conversation_id, chat_id, aiMsg)
-					} else {
-						aiMsg.content = '模型未返回有效内容，请稍后重试。'
-					}
-				} catch (error) {
-					console.error('Coze 对话失败:', error)
-					aiMsg.content = (error && error.message) || '抱歉，处理您的请求时出现错误，请稍后再试。'
-				}
-			}
-		},
-
-		// ========== Gemini API (KieAI) ==========
+		// ========== KieAI Gemini（非流式，BUG-005） ==========
 		async _sendViaGemini(content, type, aiMsg) {
 			const messages = this.buildChatMessages(content, type)
 			try {
-				await new Promise((resolve, reject) => {
-					const ctrl = api.kieaiGeminiChatStream({ messages })
-					this._streamCtrl = ctrl
-					ctrl.onMessage((deltaText) => {
-						if (aiMsg.loading) { aiMsg.loading = false; aiMsg.streaming = true }
-						aiMsg.content += deltaText
-						this.messageList = [...this.messageList]
-						this.scrollToBottom()
-					})
-					ctrl.onError((err) => { this._streamCtrl = null; reject(err) })
-					ctrl.onComplete(() => { this._streamCtrl = null; resolve() })
-				})
-				if (!aiMsg.content.trim()) aiMsg.content = '模型未返回有效内容，请稍后重试。'
-			} catch (streamError) {
-				console.warn('[sendToAI:gemini] 流式失败，降级非流式:', streamError)
-				try {
-					const response = await api.kieaiGeminiChat({ messages, stream: false })
-					const reply = this.getGeminiReplyFromResponse(response)
-					aiMsg.content = reply.trim() ? reply : '模型未返回有效内容，请稍后重试。'
-				} catch (error) {
-					console.error('Gemini 对话失败:', error)
-					aiMsg.content = (error && error.message) || '抱歉，处理您的请求时出现错误，请稍后再试。'
+				const response = await api.kieaiGeminiChat({ messages, stream: false })
+				// BUG-005：成功时仅展示 data.choices[0].message.content（经规整）；禁止 getAIResponse / 本地固定话术冒充模型输出
+				let reply = api.readKieaiGeminiDataChoicesAssistantText(response && response.data)
+				if (!reply) {
+					reply = (api.getKieaiGeminiChatMessageContent(response) || '').trim()
 				}
-			}
-		},
-
-		/**
-		 * 非流式 Coze 降级：轮询对话状态并获取回复
-		 */
-		async pollCozeResult(conversationId, chatId, aiMsg) {
-			const maxAttempts = 30
-			const interval = 2000
-			for (let i = 0; i < maxAttempts; i++) {
-				await this.sleep(interval)
-				try {
-					const res = await api.cozeRetrieveChat({ conversationId, chatId })
-					const status = res && res.data && res.data.status
-					if (status === 'completed') {
-						const msgRes = await api.cozeMessageList({ conversationId, chatId })
-						if (msgRes && msgRes.data && Array.isArray(msgRes.data)) {
-							const answer = msgRes.data.find(m => m.role === 'assistant' && m.type === 'answer')
-							if (answer && answer.content) {
-								aiMsg.content = answer.content
-								this.messageList = [...this.messageList]
-								this.scrollToBottom()
-								return
-							}
-						}
-						aiMsg.content = '模型未返回有效内容，请稍后重试。'
-						return
-					} else if (status === 'failed') {
-						aiMsg.content = '对话处理失败，请稍后重试。'
-						return
-					}
-				} catch (e) {
-					console.warn('[pollCozeResult] 轮询出错:', e)
+				if (!reply) {
+					throw new Error('模型未返回有效内容')
 				}
+				aiMsg.content = reply
+			} catch (error) {
+				console.error('Gemini 对话失败:', error)
+				aiMsg.content = (error && error.message) || '抱歉，处理您的请求时出现错误，请稍后再试。'
 			}
-			aiMsg.content = '等待超时，请稍后重试。'
 		},
 
 		// ---------- TTS 方法 ----------