update agent

.gitignore

@@ -0,0 +1,2 @@
+venv/
+.env

agent.py

@@ -53,8 +53,13 @@ def wiki_search(query: str) -> str:
 @tool
 def web_search(query: str) -> str:
     """Search the web using Tavily (max 3 results)."""
-    docs = TavilySearchResults(max_results=3).invoke(query)
-    return "\n\n".join([doc.page_content for doc in docs])
+    results = TavilySearchResults(max_results=3).invoke(query)
+    texts = []
+    for doc in results:
+        if isinstance(doc, dict):
+            texts.append(doc.get("content", "") or doc.get("text", ""))
+    return "\n\n".join(texts)
+
 
 @tool
 def arvix_search(query: str) -> str:
@@ -124,8 +129,8 @@ def build_graph(provider: str = "groq"):
 # ------------------- LOCAL TEST -------------------
 
 if __name__ == "__main__":
-    question = "What is 17 * 23?"
-    graph = build_graph(provider="groq")
+    question = "When was a picture of St. Thomas Aquinas first added to the Wikipedia page on the Principle of double effect?"
+    graph = build_graph(provider="openai")
     messages = graph.invoke({"messages": [HumanMessage(content=question)]})
     print("=== AI Agent Response ===")
     for m in messages["messages"]: