Returns a Patch Summary (the exact settings written) and the path of the
    Preset written into Serum's preset browser (User → AI).

    Args:
        patch: The settings to write.
        constraints: Hard requirements to check before writing (e.g. the producer
            said "keep the sub clean" or "no reverb").
    

    Writes a new Preset next to the others in User → AI (named <preset>_v2,
    _v3, ...; the original is never changed, and keeps its name) and returns
    a Patch Summary of what you set plus every resulting difference from the
    original.

    Args:
        preset: The preset's name as shown in Serum's browser (a partial name
            works if it's unique), or a full path to its .fxp file.
        changes: Only the settings to change; everything else keeps its current value.
        constraints: Hard requirements to check before writing.
    

    value, plus valid modulation sources/destinations and factory wavetables.
    Call this whenever you're unsure of an exact name, range or option before
    write_patch/edit_patch.
    

    Args:
        preset: The preset's name as shown in Serum's browser (a partial name
            works if it's unique), or a full path to its .fxp file.