优化Chat2BI和AI绘画智能体的欢迎语和预设问题

jeecgboot-vue3/src/views/super/airag/aiapp/chat/chat.vue

@@ -1240,6 +1240,8 @@
 
         //是否显示绘图工具
         showDraw.value = metadata.izDraw === '1';
+        //是否选中生成图片
+        enableDraw.value = metadata.izDraw === '1';
         drawModelId.value = metadata.drawModelId;
 
         if (metadata && metadata.modelInfo) {

jeecgboot-vue3/src/views/super/airag/aiapp/chat/portal/LeftPortalSession.vue

@@ -113,16 +113,17 @@
       id: '2008448202536456193',
       name: 'Chat2BI',
       icon: 'https://minio.jeecg.com/otatest/chatShow_1769395642452.png',
-      prologue: '你好，我是图表生成智能体。',
+      prologue: '你好，我是Chat2BI 图表生成智能体。',
       flowId: '2008379264947519489',
       type: 'chatFLow',
-      presetQuestion: '[{"key":1,"descr":"用户性别比例","update":true}]'
+      presetQuestion: '[{"key":1,"descr":"请统计系统用户的性别分布比例，并以饼状图和列表表格展示。","update":true}]'
     },    
     {
       id: '2008090512835629057',
       name: 'AI绘画',
       icon: 'https://minio.jeecg.com/otatest/AiWrite_1769395779558.png',
-      prologue: '请输入文本，并选择图像生成，我来为你生成图片',
+      prologue: '你好，我是 AI绘图智能体。',
+      presetQuestion: '[{"key":1,"descr":"请生成一张具有日本风格的动漫成年女孩。","update":true}, {"key":2,"descr":"请生成一幅中国神话故事中，手持武器的哪吒形象。","update":true}]',
       metadata:"{\"izDraw\":\"1\"}"
     },
   ]);