* [misc] enhance AI chat functionality by adding 'chatType' parameter to message payload and updating initialization options in the browse mini program.

module/aiapp/js/browseminiprogram.ui.js

@@ -108,7 +108,8 @@ function clearErrorTip()
  */
 function sendMessagesToAI(message, renew)
 {
-    aiChatView.$.postMessage(message, renew ? 'NEW' : undefined);
+    const chatID = (renew || aiChatView.$.chat.$local.id) ? 'NEW' : undefined;
+    aiChatView.$.postMessage({content: message, chatType: 'miniprogram'}, chatID);
 }
 
 window.aiBrowseMiniProgram.initAIChatView = function(options)

module/aiapp/ui/browseminiprogram.html.php

@@ -218,7 +218,7 @@ div(
         setID('aiChatView'),
         setClass('shadow rounded flex-1 ring'),
         on::init()->call('window.aiBrowseMiniProgram.initAIChatView', array(
-            'creatingChat' => array('title' => $miniProgram->name),
+            'creatingChat' => array('title' => $miniProgram->name, 'chatType' => 'miniprogram'),
             'noContexts' => true,
             'hideHeader' => true,
             'sendbox' => array('placeholder' => $lang->aiapp->continueasking),