export declare const SESSION_STATE_PREFIX = "SESSION STATE / WORKING MEMORY";
export interface SessionStateSnapshot {
    goal?: string | undefined;
    projectRoot?: string | undefined;
    packageManager?: string | undefined;
    planStatus?: string | undefined;
    planKind?: string | undefined;
    openTask?: string | undefined;
    pendingTasks?: string[] | undefined;
    doneTasks?: string[] | undefined;
    featureAppRequired?: boolean | undefined;
    featureSeen?: boolean | undefined;
    scaffoldOk?: boolean | undefined;
    serverStarted?: boolean | undefined;
    serverProbedOk?: boolean | undefined;
    lastProbeFailed?: boolean | undefined;
    lastOkTool?: string | undefined;
    nextHint?: string | undefined;
    engagementNote?: string | undefined;
    backgroundJobs?: string | undefined;
}
export declare function buildSessionStateBlock(s: SessionStateSnapshot): string;
export declare function inferNextHint(s: SessionStateSnapshot): string | undefined;
export declare function isSessionStateMessage(content: string): boolean;
export declare function upsertSessionStateMessage(messages: Array<{
    role: string;
    content: string;
}>, block: string): void;