feat: Improve result output format and add explanations

- Change SQL query result output to a code block format for better readability
- Add explanations to provide more context to users

Author: DShomin

interface/streamlit_app.py

@@ -44,6 +44,8 @@ def summarize_total_tokens(data):
 
     # 결과 출력
     st.write("총 토큰 사용량:", total_tokens)
-    st.write("결과:", res["generated_query"].content)
+    # st.write("결과:", res["generated_query"].content)
+    st.write("결과:", "\n\n```sql\n" + res["generated_query"] + "\n```")
+    st.write("결과 설명:\n\n", res["messages"][-1].content)
     st.write("AI가 재해석한 사용자 질문:\n", res["refined_input"].content)
     st.write("참고한 테이블 목록:", res["searched_tables"])