Update app.py

app.py

@@ -19,26 +19,30 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 
 class BasicAgent:
-    """A langgraph agent."""
+    """A langgraph agent with debug logging."""
     def __init__(self):
         print("BasicAgent initialized.")
         self.graph = build_graph()
 
     def __call__(self, question: str) -> str:
-        print(f"Agent received question (first 50 chars): {question[:50]}...")
+        print(f"\n📥 Question → {repr(question)}")
         messages = [HumanMessage(content=question)]
         response = self.graph.invoke({"messages": messages})
-        raw_output = response["messages"][-1].content.strip()
 
-        # ✅ This block must be indented inside the method
+        raw_output = response["messages"][-1].content
+        print("📦 Raw model output →", repr(raw_output))
+
+        import re
         match = re.search(r"FINAL ANSWER:\s*(.+)", raw_output, re.IGNORECASE)
         if match:
             final_answer = match.group(1).strip()
         else:
             final_answer = raw_output.strip()
-            print("⚠️ Missing 'FINAL ANSWER:' prefix.")
+            print("⚠️ Output missing 'FINAL ANSWER:' prefix. Using fallback.")
+
+        print("✅ Final parsed answer:", repr(final_answer))
+        return final_answer
 
-        return final_answer  # ✅ must align with the if-block, still inside __call__