feat: change chat welcome hint

Author: ulleo

frontend/src/i18n/en.json

@@ -83,7 +83,7 @@
     "error": "An error occurred, please try again later",
     "question_placeholder": "Press Enter to submit, or use Ctrl + Enter for a new line",
     "greeting": "Hello, I'm SQLBot. How can I assist you today?",
-    "hint_description": "I can query data, generate charts, detect anomalies, predict trends, and more. Please select a data source to begin!",
+    "hint_description": "You can query data, generate charts, analyze data, predict trends, and more. Please select a data source to start your smart data exploration~",
     "select_datasource": "Select Data Source",
     "view_more": "View More",
     "selected_datasource": "Selected Data Source",

frontend/src/i18n/zh-CN.json

@@ -90,7 +90,7 @@
     "error": "发生错误，请稍后再试",
     "question_placeholder": "按下 Enter 提交问题, 或使用 Ctrl + Enter 换行",
     "greeting": "你好，我是SQLBot，很高兴为你服务",
-    "hint_description": "我可以查询数据、生成图表、检测数据异常、预测数据等，请选择一个数据源，开启智能问数吧～",
+    "hint_description": "我可以查询数据、生成图表、分析数据、预测数据等，请选择一个数据源，开启智能问数吧～",
     "select_datasource": "选择数据源",
     "view_more": "查看更多",
     "selected_datasource": "已选择数据源",