export interface BrainSession {
    sessionId: string;
    name: string;
    logEntries: number;
    status?: string;
}
export interface BrainChatEntry {
    type: string;
    ts: string;
    text?: string;
    task_id?: string;
    tool_name?: string;
    tool_input?: Record<string, unknown>;
    cost?: number;
    turns?: number;
    msg?: string;
    source?: string;
    [key: string]: unknown;
}
/**
 * List all Brain sessions from GET /api/sessions.
 * Merges on_disk + live status. Self-Talks pinned first, rest sorted by logEntries desc.
 */
export declare function listBrainSessions(): Promise<BrainSession[]>;
/**
 * Fetch messages for a session from GET /api/sessions/{sessionId}/messages.
 */
export declare function loadBrainChatEntries(sessionId: string): Promise<BrainChatEntry[]>;
/**
 * Send a message to a Brain session via POST /api/sessions/{sessionId}/tasks.
 */
export declare function sendBrainChatMessage(sessionId: string, text: string): Promise<void>;
/**
 * Check session status via GET /api/sessions/{sessionId}/status.
 */
export declare function getBrainSessionStatus(sessionId: string): Promise<string>;
/**
 * Delete a Brain session via DELETE /api/sessions/{sessionId}.
 */
export declare function deleteBrainSession(sessionId: string): Promise<void>;