feat: improve tool selection prompt (English), log wiki and audio transcript results for debugging

agent.py

@@ -83,6 +83,12 @@ class AIBrain:
         
         prompt = f"""<instruction>
 Analyze this question and determine the correct tool approach. Return ONLY valid JSON.
+
+- If the question is about an event in the past or future (e.g., "when was", "in what year", "has ever", "will happen", "history", "prediction"), choose "wiki".
+- If the question asks about a specific topic, person, place, object, or event (e.g., "who is", "what is", "where is", "when is", "why", "how"), choose "wiki".
+- If the data source is unclear or you are not sure, prefer "wiki".
+- Other types: youtube (if there is a link/video), image (if there is an image), audio (if there is an audio file), file (if there is an attachment), text (if it is text analysis or math).
+
 </instruction>
 
 <question>{question}</question>
@@ -90,10 +96,10 @@ Analyze this question and determine the correct tool approach. Return ONLY valid
 
 <classification_rules>
 - YouTube URLs (youtube.com, youtu.be): "youtube"
-- Images, photos, chess positions, visual content: "image" 
+- Images, photos, chess positions, visual content: "image"
 - Audio files, voice, sound, mp3: "audio"
 - Excel, CSV, documents, file uploads: "file"
-- Wikipedia searches, historical facts, people info: "wiki"
+- Wikipedia searches, historical facts, people info, events, future/past, specific topics: "wiki"
 - Math calculations, logic, text analysis: "text"
 </classification_rules>
 
@@ -200,6 +206,13 @@ def process_with_tools_node(state: AgentState) -> AgentState:
     tool_results = process_question_with_tools(question, task_id)
     state["tool_processing_result"] = tool_results
     
+    # Log response từ wiki nếu có
+    for result in tool_results.get("tool_results", []):
+        if result.tool_name == "wiki_search":
+            print(f"[DEBUG] Wiki tool response: {result.result}")
+        if result.tool_name == "audio_transcript":
+            print(f"[DEBUG] Audio transcript: {result.result}")
+    
     successful_tools = [result.tool_name for result in tool_results.get("tool_results", []) if result.success]
     if successful_tools:
         print(f"✅ Successful tools: {successful_tools}")