Merge remote-tracking branch 'upstream/main' into crypto-analysis-mvp

# Conflicts:
#	tradingagents/agents/researchers/bear_researcher.py
#	tradingagents/agents/researchers/bull_researcher.py
#	tradingagents/graph/propagation.py

tradingagents/agents/utils/agent_states.py

@@ -71,3 +71,4 @@ class AgentState(MessagesState):
         RiskDebateState, "Current state of the debate on evaluating risk"
     ]
     final_trade_decision: Annotated[str, "Final decision made by the Risk Analysts"]
+    past_context: Annotated[str, "Memory log context injected at run start (same-ticker decisions + cross-ticker lessons)"]