fix: preserve exchange-qualified tickers across agent prompts

tradingagents/agents/managers/risk_manager.py

@@ -1,11 +1,14 @@
 import time
 import json
 
+from tradingagents.agents.utils.agent_utils import build_instrument_context
+
 
 def create_risk_manager(llm, memory):
     def risk_manager_node(state) -> dict:
 
         company_name = state["company_of_interest"]
+        instrument_context = build_instrument_context(company_name)
 
         history = state["risk_debate_state"]["history"]
         risk_debate_state = state["risk_debate_state"]
@@ -34,6 +37,8 @@ Deliverables:
 - A clear and actionable recommendation: Buy, Sell, or Hold.
 - Detailed reasoning anchored in the debate and past reflections.
 
+{instrument_context}
+
 ---
 
 **Analysts Debate History:**