add tool hint

Former-commit-id: 64734ffe2f45f80a1e33c2a72330b2ab1e58feb3

src/llmtuner/webui/components/chatbot.py

@@ -1,6 +1,9 @@
 import gradio as gr
 from typing import TYPE_CHECKING, Dict, Optional, Tuple
 
+from ..utils import check_json_schema
+
+
 if TYPE_CHECKING:
     from gradio.blocks import Block
     from gradio.components import Component
@@ -29,6 +32,8 @@ def create_chat_box(
                 top_p = gr.Slider(0.01, 1, value=gen_kwargs.top_p, step=0.01)
                 temperature = gr.Slider(0.01, 1.5, value=gen_kwargs.temperature, step=0.01)
 
+    tools.input(check_json_schema, [tools])
+
     submit_btn.click(
         engine.chatter.predict,
         [chatbot, query, history, system, tools, max_new_tokens, top_p, temperature],