export interface PendingAttachment {
    name: string;
    path: string;
    size: number;
    mimeType: string;
    type: 'image' | 'video' | 'file';
}
export interface PendingInjectionRecord {
    id: string;
    sessionId: string;
    channel: string;
    messageId: string;
    sessionName: string | null;
    backend: string;
    profileName: string | null;
    text: string;
    attachments?: PendingAttachment[];
    agentMessage?: string;
    createdAt: string;
}
export declare class PendingInjectionRepo {
    private readonly repo;
    constructor(filePath?: string);
    add(record: PendingInjectionRecord): Promise<void>;
    remove(id: string): Promise<boolean>;
    listBySession(sessionId: string): Promise<PendingInjectionRecord[]>;
    listAll(): Promise<PendingInjectionRecord[]>;
    flush(): Promise<void>;
}
export declare const pendingInjectionRepo: PendingInjectionRepo;