* add clear AI chat context method.

xuanxuan/extension/xuan/im/ext/control/clearaichatcontext.php

@@ -0,0 +1,39 @@
+<?php
+helper::import('../../control.php');
+
+class myIm extends im
+{
+    public function clearAiChatContext($modelId, $userID = 0, $version = '', $device = 'desktop')
+    {
+        $user = $this->im->user->getByID($userID);
+
+        global $app;
+        $app->user = $user;
+
+        $aiChatPermission = commonModel::hasPriv('ai', 'chat');
+        if(!$aiChatPermission) return false;
+
+        $aiModel = $this->loadModel('ai')->getLanguageModel($modelId);
+        if(!$aiModel || $aiModel->enabled == 0) return false;
+
+        $chatGid = "$userID&ai-{$modelId}";
+
+        $broadcast = new stdclass();
+        $broadcast->gid         = imModel::createGID();
+        $broadcast->cgid        = $chatGid;
+        $broadcast->user        = "ai-{$modelId}";
+        $broadcast->content     = 'AI 上下文已清空';
+        $broadcast->type        = 'broadcast';
+        $broadcast->contentType = 'text';
+
+        $broadcastMessage = $this->im->messageCreate(array($broadcast), $userID);
+
+        $output = new stdclass();
+        $output->result = 'success';
+        $output->method = 'messagesend';
+        $output->users  = array($userID);
+        $output->data   = $broadcastMessage;
+
+        return $this->im->sendOutput($output, 'messagesendResponse');
+    }
+}

xuanxuan/extension/xuan/im/ext/control/getaipermission.php

@@ -30,7 +30,6 @@ class myIm extends im {
         }
 
         $output = new stdclass();
-        $output->module = 'im';
         $output->method = 'getaipermission';
         $output->result = 'success';