export interface QuestStepDef {
    id: string;
    narrative: string;
    prompt: string;
    verify: (project: string) => boolean;
    branches?: Record<string, string>;
    nextId?: string;
}
export interface QuestDef {
    id: string;
    title: string;
    subtitle: string;
    emoji: string;
    estimatedMinutes: number;
    steps: QuestStepDef[];
    rewardAchievement: string;
    rewardMessage: string;
}
export interface QuestState {
    questId: string;
    project: string;
    currentStepId: string;
    startedAt: number;
    completedAt?: number;
    completedSteps: string[];
    branchHistory: Array<{
        stepId: string;
        choice: string;
        ts: number;
    }>;
}
export declare class BrainQuest {
    private quests;
    private states;
    constructor();
    availableQuests(): QuestDef[];
    start(questId: string, project: string): Promise<QuestState>;
    current(project: string): QuestState | null;
    step(project: string, choice?: string): Promise<{
        state: QuestState;
        narrative: string;
        options?: string[];
        complete?: boolean;
        reward?: {
            achievementId?: string;
            message: string;
        };
    }>;
    reset(project: string): void;
    private registerQuests;
    private defaultNext;
    private unlockTrophy;
    private loadFile;
    private persist;
}
export declare function getBrainQuest(): BrainQuest;
export declare function resetBrainQuestForTests(): void;
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