Exclude patients from an eligibility flow based on CSV data.

This endpoint reads a CSV file with patient information and marks matching patients
as excluded. The CSV should have columns: Patient Name, DOB, Sex, Age, Tel No., Acc #.
Patients are matched by firstName, lastName, and birthDate.

Args:
    input: Request body containing:
        - eligibility_flow_id: UUID of the eligibility flow
        - csv_data: CSV content as string with headers
    Example:
    {
        "eligibility_flow_id": "uuid-del-eligibility-flow",
        "csv_data": "Patient Name,DOB,Sex,Age,Tel No.,Acc #

Smith, John,01/15/1980,M,44,5551234567,12345" } authorization: API key for authentication.

Returns:
    dict: Dictionary with exclusion results.