export type SupportMode = 'efficient' | 'coach' | 'companion' | 'auto';
export interface RelationshipSettings {
    supportMode: SupportMode;
    proactiveEnabled: boolean;
    quietStart?: string;
    quietEnd?: string;
    allowedTopics: string[];
    blockedTopics: string[];
    updatedAt: number;
}
export declare function getRelationshipSettings(): RelationshipSettings;
export declare function updateRelationshipSettings(patch: Partial<Omit<RelationshipSettings, 'updatedAt'>>): RelationshipSettings;
export declare function buildRelationshipPrompt(settings: RelationshipSettings): string;
export declare function isProactiveSupportAllowed(settings: RelationshipSettings, input: {
    now: Date;
    topic: string;
}): boolean;