Periodic Table Database Schema - v0.6.3
    Preparing search index...

    Type Alias AsymmetricalUncertainty

    AsymmetricalUncertainty: Expand<
        BaseUncertainty<ASYMMETRICAL> & RequireFrom<
            UncertaintyFields,
            "plus"
            | "minus",
        >,
    >

    Represents asymmetrical errors where the upper and lower bounds differ (e.g., +0.1/-0.05). Requires both 'plus' and 'minus' fields to define the range.