fix(miniapp): add missing uuid and message-display utils

Commit the utility modules required by api.js, messages.js, and chat page
so WeChat DevTools can resolve require('./uuid') at runtime.

Co-authored-by: Cursor <cursoragent@cursor.com>

miniapp/app.js

@@ -1,4 +1,4 @@
-const { getStoredSession, setApiBaseUrl } = require('./utils/api');
+const { getStoredSession, setApiBaseUrl, getMiniProgramAppId, isTouristMode, getApiBaseUrl } = require('./utils/api');
 const { API_BASE_URL } = require('./utils/config');
 
 App({
@@ -8,6 +8,12 @@ App({
 
   onLaunch() {
     setApiBaseUrl(API_BASE_URL);
+    const appId = getMiniProgramAppId();
+    console.info('[TKMind miniapp] API_BASE_URL =', getApiBaseUrl() || API_BASE_URL);
+    console.info('[TKMind miniapp] AppID =', appId || '(none)');
+    if (isTouristMode()) {
+      console.warn('[TKMind miniapp] 游客模式：wx.login 仅返回模拟 code，微信一键登录不可用');
+    }
     const session = getStoredSession();
     if (session?.user) {
       this.globalData.user = session.user;