learn-content-engine - v0.42.0
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    Variable ROOT_OWNED_SET_FIELDSConst

    ROOT_OWNED_SET_FIELDS: readonly [
        "title",
        "description",
        "visibility",
        "review_status",
    ] = ...

    The set fields the root manifest's entry owns (engine#246): the discovery fields a catalog shows before anything is downloaded. Every other field lives in both entries and must be identical; the lesson list (metadata.lessons) lives in the set manifest.