def get_report_summary(
    dataset: pd.DataFrame,
    dataset_name: str,
    dataset_source: str,
    report_format: Literal["markdown", "html"] = "markdown",
) -> str:
    """
    Generate an AI-powered summary report from a pandas DataFrame.
    
    This function analyzes a dataset and generates a comprehensive summary report
    using a large language model (LLM). It first extracts statistical context
    from the dataset, then uses an LLM to create a human-readable report in the
    specified format.
    
    Parameters
    ----------
    dataset : pd.DataFrame
        The pandas DataFrame to analyze and summarize.
    dataset_name : str
        A descriptive name for the dataset that will be included in the
        generated report for context and identification.
    dataset_source : str
        Information about the source or origin of the dataset.
    report_format : {"markdown", "html"}, optional
        The desired output format for the generated report. Options are:
        - "markdown" : Generate report in Markdown format (default)
        - "html" : Generate report in HTML format
    
    Returns
    -------
    str
        A formatted summary report.
    
    """
    context_message = get_summary_context_message(df=dataset)
    prompt = SUMMARIZE_DATAFRAME_PROMPT.format(
        dataset_name=dataset_name,
        dataset_source=dataset_source,
        context=context_message,
        report_format=report_format,
    )
    return get_llm().invoke(input=prompt).content