fix: 移除损坏的 Claude gitlink 并同步业务与文档更新

- 从索引移除误记录的 .claude/worktrees gitlink（旧绝对路径会导致 git 命令失败）
- 新增根目录 .gitignore 忽略 .claude/worktrees 与 .DS_Store
- 后端：Coze/知识库、ResultAdvice、应用配置
- 前端 uniapp：AI 营养、食物百科等页面与 API
- 更新 README、测试文档与 shop-msh.sql

Made-with: Cursor

msh_single_uniapp/api/models-api.js

@@ -353,6 +353,114 @@ function cozeChat(data) {
   })
 }
 
+/**
+ * Coze - 流式对话 (Chat Stream via SSE + enableChunked)
+ * 使用微信小程序 enableChunked 能力消费 SSE 事件流
+ * @param {object} data 请求参数（与 cozeChat 一致）
+ * @returns {object} 控制器 { onMessage, onError, onComplete, abort, getTask }
+ */
+function cozeChatStream(data) {
+  let _onMessage = () => {}
+  let _onError = () => {}
+  let _onComplete = () => {}
+  let _buffer = ''
+  let _task = null
+  let _gotChunks = false
+
+  const controller = {
+    onMessage(fn) { _onMessage = fn; return controller },
+    onError(fn) { _onError = fn; return controller },
+    onComplete(fn) { _onComplete = fn; return controller },
+    abort() { if (_task) _task.abort() },
+    getTask() { return _task }
+  }
+
+  const parseSseLines = (text) => {
+    _buffer += text
+    const lines = _buffer.split('\n')
+    _buffer = lines.pop() || ''
+
+    for (const line of lines) {
+      const trimmed = line.trim()
+      if (!trimmed || trimmed.startsWith(':')) continue
+      if (trimmed.startsWith('data:')) {
+        const jsonStr = trimmed.slice(5).trim()
+        if (!jsonStr) continue
+        try {
+          const evt = JSON.parse(jsonStr)
+          _onMessage(evt)
+        } catch (e) {
+          // skip malformed JSON fragments
+        }
+      }
+    }
+  }
+
+  const parseSseResponseBody = (body) => {
+    if (!body || typeof body !== 'string') return
+    const lines = body.split('\n')
+    for (const line of lines) {
+      const trimmed = line.trim()
+      if (!trimmed || trimmed.startsWith(':')) continue
+      if (trimmed.startsWith('data:')) {
+        const jsonStr = trimmed.slice(5).trim()
+        if (!jsonStr) continue
+        try {
+          const evt = JSON.parse(jsonStr)
+          _onMessage(evt)
+        } catch (e) {
+          // skip malformed JSON fragments
+        }
+      }
+    }
+  }
+
+  const token = uni.getStorageSync('LOGIN_STATUS_TOKEN') || ''
+  _task = uni.request({
+    url: `${API_BASE_URL}/api/front/coze/chat/stream`,
+    method: 'POST',
+    data: data,
+    header: {
+      'Content-Type': 'application/json',
+      ...(token ? { 'Authori-zation': token } : {})
+    },
+    enableChunked: true,
+    responseType: 'text',
+    success: (res) => {
+      if (_buffer.trim()) {
+        parseSseLines('\n')
+      }
+      if (!_gotChunks && res && res.data) {
+        const body = typeof res.data === 'string' ? res.data : JSON.stringify(res.data)
+        parseSseResponseBody(body)
+      }
+      _onComplete()
+    },
+    fail: (err) => {
+      _onError(err)
+    }
+  })
+
+  if (_task && _task.onChunkReceived) {
+    _task.onChunkReceived((res) => {
+      _gotChunks = true
+      try {
+        const bytes = new Uint8Array(res.data)
+        let text = ''
+        for (let i = 0; i < bytes.length; i++) {
+          text += String.fromCharCode(bytes[i])
+        }
+        text = decodeURIComponent(escape(text))
+        parseSseLines(text)
+      } catch (e) {
+        // chunk decode error, skip
+      }
+    })
+  }
+
+  return controller
+}
+
 /**
  * Coze - 检索对话详情 (Retrieve Chat)
  * @param {object} params 请求参数
@@ -471,6 +579,7 @@ export default {
   kieaiGeminiChat,
   // Coze API
   cozeChat,
+  cozeChatStream,
   cozeRetrieveChat,
   cozeMessageList,
   cozeWorkflowRun,