# TradingAgents/graph/signal_processing.py from langchain_openai import ChatOpenAI class SignalProcessor: """Processes trading signals to extract actionable decisions.""" def __init__(self, quick_thinking_llm: ChatOpenAI): """Initialize with an LLM for processing.""" self.quick_thinking_llm = quick_thinking_llm def process_signal(self, full_signal: str) -> str: """ Process a full trading signal to extract the core decision. Args: full_signal: Complete trading signal text Returns: Extracted decision (BUY, SELL, or HOLD) """ messages = [ ( "system", "You are an efficient assistant designed to analyze paragraphs or financial reports provided by a group of analysts. Your task is to extract the investment decision: SELL, BUY, or HOLD. Provide only the extracted decision (SELL, BUY, or HOLD) as your output, without adding any additional text or information.", ), ("human", full_signal), ] return self.quick_thinking_llm.invoke(messages).content