/**
 * im_transcripts — IM audit / chat_history keyword search (ADR 0009 D4).
 */
import type { ImTranscriptRecord, ImTranscriptWriteInput } from './agent-db-models.js';
export interface ImTranscriptQuery {
    platform: string;
    endpointId: string;
    sceneId: string;
}
export interface ImTranscriptSearchHit {
    time: number;
    body: string;
    senderName?: string;
    direction: ImTranscriptRecord['direction'];
}
export interface ImTranscriptSearchResult {
    messages: ImTranscriptSearchHit[];
}
export interface ImTranscriptStoreConfig {
    searchMaxAgeMs?: number;
    searchLimit?: number;
}
/** DB / 内存实现的统一契约 */
export interface ImTranscriptStore {
    record(input: ImTranscriptWriteInput): Promise<void>;
    search(query: ImTranscriptQuery, keyword: string, limit?: number): Promise<ImTranscriptSearchResult>;
    listRecent(query: ImTranscriptQuery, limit?: number): Promise<ImTranscriptSearchResult>;
}
/** DB / 内存实现的统一契约 */
export interface ImTranscriptStore {
    record(input: ImTranscriptWriteInput): Promise<void>;
    search(query: ImTranscriptQuery, keyword: string, limit?: number): Promise<ImTranscriptSearchResult>;
    listRecent(query: ImTranscriptQuery, limit?: number): Promise<ImTranscriptSearchResult>;
}
type WhereResult = PromiseLike<ImTranscriptRecord[]> | {
    orderBy(field: string, dir: 'ASC' | 'DESC'): {
        limit(n: number): PromiseLike<ImTranscriptRecord[]>;
    };
};
interface DbModel {
    select(...fields: string[]): {
        where(condition: Record<string, unknown>): WhereResult;
    };
    create(data: Record<string, unknown>): Promise<unknown>;
}
export declare class DatabaseImTranscriptStore implements ImTranscriptStore {
    private readonly model;
    private readonly config;
    constructor(model: DbModel, config?: ImTranscriptStoreConfig);
    record(input: ImTranscriptWriteInput): Promise<void>;
    /** Keyword search on body only (Grill #1 / #17). */
    search(query: ImTranscriptQuery, keyword: string, limit?: number): Promise<ImTranscriptSearchResult>;
    listRecent(query: ImTranscriptQuery, limit?: number): Promise<ImTranscriptSearchResult>;
}
export declare class MemoryImTranscriptStore implements ImTranscriptStore {
    private rows;
    private seq;
    private readonly searchMaxAgeMs;
    private readonly searchLimit;
    constructor(config?: ImTranscriptStoreConfig);
    record(input: ImTranscriptWriteInput): Promise<void>;
    getAll(): ImTranscriptRecord[];
    search(query: ImTranscriptQuery, keyword: string, limit?: number): Promise<ImTranscriptSearchResult>;
    listRecent(query: ImTranscriptQuery, limit?: number): Promise<ImTranscriptSearchResult>;
}
export {};
//# sourceMappingURL=im-transcript-store.d.ts.map