/** Inbound message DTO for channel → agent pipelines. */
export interface InboundMessage {
    channel: string;
    sender_id: string;
    chat_id: string;
    content: string;
    media?: Array<{
        type: string;
        fileId: string;
    }>;
    attachments?: Array<{
        type: string;
        mimeType?: string;
        data?: string;
        name?: string;
        size?: number;
        /** Already persisted — pass-through by URI. */
        uri?: string;
    }>;
    metadata?: Record<string, unknown>;
}
/** Outbound message DTO for agent → channel delivery. */
export interface OutboundMessage {
    channel: string;
    chat_id: string;
    content?: string;
    type?: 'message' | 'typing_on' | 'typing_off';
    mediaUrl?: string;
    mediaType?: 'photo' | 'video' | 'audio' | 'document' | 'animation';
    metadata?: Record<string, unknown>;
    /**
     * Send audio as voice message (bubble) instead of audio file.
     * This is set by the TTS system when generating voice messages.
     */
    audioAsVoice?: boolean;
    replyToMessageId?: string;
    quoteText?: string;
    silent?: boolean;
    spoiler?: boolean;
    buttons?: Array<Array<{
        text: string;
        callback_data: string;
    }>>;
}