from typing import TypedDict, List, Optional, Dict, Any

class GraphState(TypedDict):
    ticker: str
    query: str  # general query / task
    # outputs collected from agents
    news_summary: Optional[str]
    earnings_summary: Optional[str]
    market_summary: Optional[str]
    # bookkeeping
    completed: List[str]
    # final
    final_recommendation: Optional[str]