/**
 * Idea Sync
 * Synchronises idea YAML files to the `ideas` database table via MCPClient.
 */
import type { MCPClient } from '../core/database.js';
import type { IdeaEntry } from '../types/novel.js';
/** Upserts idea YAML files into the `ideas` table. */
export declare class IdeaSync {
    private mcpClient;
    private projectId;
    constructor(mcpClient: MCPClient, projectId: number);
    /**
     * Upsert a single idea into the database.
     * Inserts if the idea_key does not yet exist for this project; updates otherwise.
     *
     * @param idea - The `IdeaEntry` to persist
     */
    syncIdea(idea: IdeaEntry): Promise<void>;
    /**
     * Sync all `.yml` files found in `ideasDir` to the database.
     *
     * @param ideasDir - Absolute path to the directory containing idea YAML files
     * @returns Number of ideas synced
     */
    syncAllFromDirectory(ideasDir: string): Promise<number>;
    /**
     * Retrieve ideas for this project directly from the database.
     *
     * @param status - Optional status filter ('active' | 'used' | 'discarded')
     * @returns Array of `IdeaEntry` objects ordered newest-first
     */
    listFromDb(status?: string): Promise<IdeaEntry[]>;
}
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