type ChatRole = 'user' | 'assistant';
type ChatTurn = {
    role: ChatRole;
    content: string;
};
type FactInjection = {
    factId?: string;
    entityKey: string;
    summary: string;
    value: unknown;
    confidence: number;
    source: string;
};
type ShutdownCheckpointPayload = {
    currentStep?: string;
    nextStep?: string;
    openRisks?: string[];
    recentOutputs?: string[];
    notes?: string;
};
export type ChatSessionOptions = {
    agentId?: string;
    provider?: string;
    model?: string;
    cwd?: string;
};
export declare function buildMemoryBlock(facts: FactInjection[]): string;
export declare function buildGracefulShutdownCheckpoint(history: ChatTurn[], manualInjections: FactInjection[]): ShutdownCheckpointPayload | null;
export declare function startChatSession(options?: ChatSessionOptions): Promise<void>;
export {};
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