Full Investigation

End-to-end investigation pipeline that processes a query and returns final analysis.

Args: existing_investigation_id: Optional pre-created investigation ID (placeholder) to update instead of creating new. enable_alt_hypotheses: Whether to generate alternative hypotheses (default True). is_hypothesis_investigation: If True, use "Hypothesis Result" instead of "Quick Summary" in prompts. alert_timestamp: Optional datetime to use for timestamp context instead of current time. Used for backtesting to provide the original alert time context.