Update agents/planning_agent.py

agents/planning_agent.py

@@ -31,7 +31,7 @@ class PlanningAgent:
             raise ValueError("ANTHROPIC_API_KEY not found in environment variables")
         
         self.llm = ChatAnthropic(
-            model="claude-3-haiku-20240307",
+            model="claude-3-7-sonnet-20250219",
             anthropic_api_key=api_key,
             temperature=0.1
         )