Update app.py

app.py

@@ -4,6 +4,10 @@ import base64
 from collections import defaultdict
 from typing import List, Dict
 
+import time
+import gradio as gr
+
+
 import gradio as gr
 from langsmith import Client
 
@@ -266,9 +270,6 @@ ls_client = Client()
 LS_DATASET_NAME = "clare_user_events"
 
 def log_event(data: Dict):
-    """
-    所有事件（chat_turn / micro_quiz_start / like / dislike）统一写入 LangSmith Dataset。
-    """
     try:
         inputs = {
             "question": data.get("question"),
@@ -278,10 +279,11 @@ def log_event(data: Dict):
         outputs = {
             "answer": data.get("answer"),
         }
+        # ✅ 只排除 question / answer，其余都进 metadata
         metadata = {
             k: v
             for k, v in data.items()
-            if k not in ("question", "answer", "event_type")
+            if k not in ("question", "answer")
         }
 
         ls_client.create_example(
@@ -293,6 +295,8 @@ def log_event(data: Dict):
     except Exception as e:
         print("LangSmith log failed:", e)
 
+
+
 # ===== Reference Formatting Helper =====
 def format_references(
     rag_chunks: List[Dict], max_files: int = 2, max_sections_per_file: int = 3
@@ -371,14 +375,15 @@ def is_academic_query(message: str) -> bool:
         return False
 
     return True
-
 # ======= Chatbot like/dislike handler (per-message, ChatGPT-style) =======
-def handle_like(data: gr.LikeData,
-                history,
-                user_id_val,
-                mode_val,
-                model_name_val,
-                lang_pref):
+def handle_like(
+    data: "gr.LikeData",   # 或者直接去掉类型标注也可以
+    history,
+    user_id_val,
+    mode_val,
+    model_name_val,
+    lang_pref,
+):
     """
     data.index: 第几条消息被点
     data.value: "like" / "dislike"
@@ -411,6 +416,7 @@ def handle_like(data: gr.LikeData,
     except Exception as e:
         print("handle_like error:", e)
 
+
 # ================== Gradio App ==================
 with gr.Blocks(
     title="Clare – Hanbridge AI Teaching Assistant", css=CUSTOM_CSS
@@ -567,15 +573,23 @@ with gr.Blocks(
                 avatar_images=(None, CLARE_LOGO_PATH),
                 show_label=False,
                 type="tuples",
+                likeable=True,
             )
 
             # ChatGPT-style per-message like/dislike
             chatbot.like(
                 fn=handle_like,
-                inputs=[chatbot, user_id_state, learning_mode, model_name, language_preference],
-                outputs=[],
+                inputs=[
+                    chatbot,          # history
+                    user_id_state,
+                    learning_mode,
+                    model_name,
+                    language_preference,
+                ],
+                outputs=[],           # 我们这里只写日志，不改 UI
             )
 
+
             # 用户输入
             user_input = gr.Textbox(
                 label="Your Input",