/**
 * Kagemusha Query Tools — progressive exploration of business data.
 *
 * Like a coding agent explores code (grep → read file → follow import),
 * these tools let agents explore business data:
 *   entities (rooms) → tasks → messages (raw data)
 *
 * The raw data stays in Kagemusha's DB, queried on demand.
 */
export interface EntityProfile {
    id: string;
    name: string;
    channel: string;
    type: string;
    totalMessages: number;
    recentMessages: number;
    activeTasks: number;
    totalTasks: number;
    lastActive: string;
}
export interface TaskInfo {
    id: number;
    title: string;
    status: string;
    priority: string;
    deadline: string | null;
    sourceRoom: string | null;
    createdAt: string;
}
export interface MessageInfo {
    id: number;
    channel: string;
    channelId: string;
    author: string;
    role: string;
    content: string;
    timestamp: string;
}
/**
 * List all entities (people, project channels) with activity stats.
 * This is the "file tree" — the starting point for exploration.
 */
export declare function listEntities(options?: {
    channel?: string;
    activeOnly?: boolean;
    limit?: number;
}): EntityProfile[];
/**
 * Get tasks for a specific entity or all tasks matching a filter.
 * This is "reading type definitions" — structured state.
 */
export declare function queryTasks(options?: {
    sourceRoom?: string;
    status?: string;
    priority?: string;
    search?: string;
    limit?: number;
}): TaskInfo[];
/**
 * Get messages from a specific channel within a time range.
 * This is "reading the source file" — the raw data.
 */
export declare function queryMessages(options: {
    channelId: string;
    since?: string;
    limit?: number;
    search?: string;
}): MessageInfo[];
/**
 * Get a summary overview — entity counts, task stats, message volume.
 * Like `ls -la` at the root of a codebase.
 */
export declare function getOverview(): {
    rooms: {
        total: number;
        byChannel: Record<string, number>;
    };
    tasks: {
        total: number;
        byStatus: Record<string, number>;
    };
    messages: {
        total: number;
        recent30d: number;
    };
};
/** Clean up DB connection */
export declare function dispose(): void;
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