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    Leakage protection configuration (plan §6.4). An automated feature-search agent will relentlessly exploit target leakage; this guard denies known-leaky fields/sources and flags single-feature dominance for human sign-off.

    interface LeakageGuard {
        DenyFields: string[];
        DenySources?: string[];
        SingleFeatureDominanceThreshold: number;
    }
    Index

    Properties

    DenyFields: string[]

    Fields that must never enter the feature matrix.

    DenySources?: string[]

    Sources that must never be drawn from (optional, in addition to DenyFields).

    SingleFeatureDominanceThreshold: number

    Importance threshold (e.g. 0.6) above which a single feature's dominance flags the run as suspicious → warn loudly + block promotion until a human signs off.