Coursereader API - v0.1.0
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    Type Alias ToneMode

    ToneMode: "continuous" | "quantized" | "bitonal"

    Tone reduction applied to the finished scan.

    • "continuous" keeps the full grayscale range.
    • "quantized" reduces the output to a fixed number of gray levels.
    • "bitonal" thresholds every pixel to black or white.