refactor: rename risky/safe agents to aggressive/conservative

tradingagents/graph/conditional_logic.py

@@ -60,8 +60,8 @@ class ConditionalLogic:
             state["risk_debate_state"]["count"] >= 3 * self.max_risk_discuss_rounds
         ):  # 3 rounds of back-and-forth between 3 agents
             return "Risk Judge"
-        if state["risk_debate_state"]["latest_speaker"].startswith("Risky"):
-            return "Safe Analyst"
-        if state["risk_debate_state"]["latest_speaker"].startswith("Safe"):
+        if state["risk_debate_state"]["latest_speaker"].startswith("Aggressive"):
+            return "Conservative Analyst"
+        if state["risk_debate_state"]["latest_speaker"].startswith("Conservative"):
             return "Neutral Analyst"
-        return "Risky Analyst"
+        return "Aggressive Analyst"