/** Single source of truth for fitness tool naming. */
export declare const FITNESS_IDENTITY: {
    readonly name: "fitness";
    readonly aliases: readonly ["fit"];
    readonly layoutKey: "fit";
};
/** Host-dispatched live-view key — canonical identity name. */
export declare const FITNESS_LIVE_VIEW_KEY: "fitness";
/** Persisted session / envelope discriminant. */
export declare const FITNESS_LAYOUT_KEY: "fit";
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