From eec6ca4b53eee475f9111bb4cc46637640ce867a Mon Sep 17 00:00:00 2001
From: Yijia-Xiao <yijia-xiao@outlook.com>
Date: Sun, 15 Mar 2026 17:54:32 +0000
Subject: [PATCH] fix: initialize all debate state fields in propagation.py

InvestDebateState was missing bull_history, bear_history, judge_decision.
RiskDebateState was missing aggressive_history, conservative_history,
neutral_history, latest_speaker, judge_decision. This caused KeyError
in _log_state() and reflection, especially with edge-case config values.
---
 tradingagents/graph/propagation.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tradingagents/graph/propagation.py b/tradingagents/graph/propagation.py
index 7aba5258..0fd10c0c 100644
--- a/tradingagents/graph/propagation.py
+++ b/tradingagents/graph/propagation.py
@@ -24,14 +24,26 @@ class Propagator:
             "company_of_interest": company_name,
             "trade_date": str(trade_date),
             "investment_debate_state": InvestDebateState(
-                {"history": "", "current_response": "", "count": 0}
+                {
+                    "bull_history": "",
+                    "bear_history": "",
+                    "history": "",
+                    "current_response": "",
+                    "judge_decision": "",
+                    "count": 0,
+                }
             ),
             "risk_debate_state": RiskDebateState(
                 {
+                    "aggressive_history": "",
+                    "conservative_history": "",
+                    "neutral_history": "",
                     "history": "",
+                    "latest_speaker": "",
                     "current_aggressive_response": "",
                     "current_conservative_response": "",
                     "current_neutral_response": "",
+                    "judge_decision": "",
                     "count": 0,
                 }
             ),