docs: say which agent writes each state field, and what the debate limits count

- state field descriptions name the Research Manager, the News and Fundamentals Analysts and the Portfolio Manager; comments that only repeat them are gone
- the debate-limit comments count turns per max_debate_rounds and max_risk_discuss_rounds
- date_window's docstring covers all the point-in-time rules it holds

tradingagents/agents/state.py

@@ -8,71 +8,69 @@ from typing_extensions import TypedDict
 class InvestDebateState(TypedDict):
     bull_history: Annotated[
         str, "Bullish Conversation history"
-    ]  # Bullish Conversation history
+    ]
     bear_history: Annotated[
         str, "Bearish Conversation history"
-    ]  # Bullish Conversation history
+    ]
-    history: Annotated[str, "Conversation history"]  # Conversation history
+    history: Annotated[str, "Conversation history"]
-    current_response: Annotated[str, "Latest response"]  # Last response
+    current_response: Annotated[str, "Latest response"]
-    judge_decision: Annotated[str, "Final judge decision"]  # Last response
+    judge_decision: Annotated[str, "Final judge decision"]
-    count: Annotated[int, "Length of the current conversation"]  # Conversation length
+    count: Annotated[int, "Length of the current conversation"]
 
 
 # Risk management team state
 class RiskDebateState(TypedDict):
     aggressive_history: Annotated[
         str, "Aggressive Agent's Conversation history"
-    ]  # Conversation history
+    ]
     conservative_history: Annotated[
         str, "Conservative Agent's Conversation history"
-    ]  # Conversation history
+    ]
     neutral_history: Annotated[
         str, "Neutral Agent's Conversation history"
-    ]  # Conversation history
+    ]
-    history: Annotated[str, "Conversation history"]  # Conversation history
+    history: Annotated[str, "Conversation history"]
     latest_speaker: Annotated[str, "Analyst that spoke last"]
     current_aggressive_response: Annotated[
         str, "Latest response by the aggressive analyst"
-    ]  # Last response
+    ]
     current_conservative_response: Annotated[
         str, "Latest response by the conservative analyst"
-    ]  # Last response
+    ]
     current_neutral_response: Annotated[
         str, "Latest response by the neutral analyst"
-    ]  # Last response
+    ]
     judge_decision: Annotated[str, "Judge's decision"]
-    count: Annotated[int, "Length of the current conversation"]  # Conversation length
+    count: Annotated[int, "Length of the current conversation"]
 
 
 class AgentState(MessagesState):
     company_of_interest: Annotated[str, "Company that we are interested in trading"]
     asset_type: Annotated[str, "Asset type under analysis such as stock or crypto"]
     instrument_context: Annotated[str, "Deterministic ticker identity resolved at run start"]
-    trade_date: Annotated[str, "What date we are trading at"]
+    trade_date: Annotated[str, "The analysis date; data is served as of it"]
 
     sender: Annotated[str, "Agent that sent this message"]
 
     # research step
     market_report: Annotated[str, "Report from the Market Analyst"]
     sentiment_report: Annotated[str, "Report from the Sentiment Analyst"]
-    news_report: Annotated[
+    news_report: Annotated[str, "Report from the News Analyst on company and world news"]
-        str, "Report from the News Researcher of current world affairs"
+    fundamentals_report: Annotated[str, "Report from the Fundamentals Analyst"]
-    ]
-    fundamentals_report: Annotated[str, "Report from the Fundamentals Researcher"]
 
     # researcher team discussion step
     investment_debate_state: Annotated[
         InvestDebateState, "Current state of the debate on if to invest or not"
     ]
-    investment_plan: Annotated[str, "Plan generated by the Analyst"]
+    investment_plan: Annotated[str, "Investment plan from the Research Manager"]
 
-    trader_investment_plan: Annotated[str, "Plan generated by the Trader"]
+    trader_investment_plan: Annotated[str, "Transaction proposal from the Trader"]
 
     # risk management team discussion step
     risk_debate_state: Annotated[
         RiskDebateState, "Current state of the debate on evaluating risk"
     ]
-    final_trade_decision: Annotated[str, "Final decision made by the Risk Analysts"]
+    final_trade_decision: Annotated[str, "Final decision from the Portfolio Manager"]
     final_rating: Annotated[str, "The Portfolio Manager's 5-tier rating, or REVIEW when it has none"]
     past_context: Annotated[str, "Memory log context injected at run start (same-ticker decisions + cross-ticker lessons)"]
     portfolio_context: Annotated[str, "Caller-supplied holdings and cash, rendered at run start; empty when not provided"]

tradingagents/dataflows/date_window.py

@@ -1,12 +1,13 @@
-"""Shared look-ahead-safe date-window filtering for dated content.
+"""Point-in-time rules shared by every dated path: data is served as of the run's date.
 
-News, StockTwits, and Reddit all pull recent items that must be trimmed to the
+- ``as_of`` / ``as_of_window`` clamp a date or window the model asks for to the
-analysis window so a historical/backtest run never sees content published after
+  trade date, so no tool reaches a vendor with a later one.
-its as-of date. Centralizing the rule keeps every source consistent (#1126,
+- ``in_window`` trims dated items (news, StockTwits, Reddit) to the analysis
-#1220): every timestamp is normalized to UTC, the upper bound is exclusive at
+  window: timestamps normalized to UTC, the upper bound exclusive at midnight
-midnight after ``end`` (so an item stamped exactly then can't leak), and an
+  after ``end``, and an undated item kept only when the window reaches the
-undated item is kept only when the window reaches the present (a live run), since
+  present, since a backtest cannot prove it is not from the future (#1126, #1220).
-in a backtest we can't prove it isn't future.
+- ``coverage_gap`` reports a window a feed cannot reach as unavailable, not empty.
+- ``withhold_live_profile`` withholds present-day snapshots from historical runs.
 """
 
 from __future__ import annotations

tradingagents/graph/conditional_logic.py

@@ -14,7 +14,7 @@ class ConditionalLogic:
 
         if (
             state["investment_debate_state"]["count"] >= 2 * self.max_debate_rounds
-        ):  # 3 rounds of back-and-forth between 2 agents
+        ):  # max_debate_rounds turns each for bull and bear
             return "Research Manager"
         if state["investment_debate_state"]["current_response"].startswith("Bull"):
             return "Bear Researcher"
@@ -24,7 +24,7 @@ class ConditionalLogic:
         """Determine if risk analysis should continue."""
         if (
             state["risk_debate_state"]["count"] >= 3 * self.max_risk_discuss_rounds
-        ):  # 3 rounds of back-and-forth between 3 agents
+        ):  # max_risk_discuss_rounds turns each for the three risk analysts
             return "Portfolio Manager"
         if state["risk_debate_state"]["latest_speaker"].startswith("Aggressive"):
             return "Conservative Analyst"