export interface ConversationMessage {
    id: string;
    userId?: string;
    text: string;
    isAssistant: boolean;
    timestamp: number;
    metadata?: Record<string, unknown>;
}
export type Platform = 'cli' | 'web' | 'api' | 'mcp' | `channel/${string}`;
export interface ConversationThread {
    threadId: string;
    platform: Platform;
    messages: ConversationMessage[];
    metadata?: {
        title?: string;
        firstMessage?: string;
        lastMessage?: string;
        messageCount?: number;
        updatedAt?: number;
    };
}
export interface TemplateMessage {
    text: string;
    isAssistant: boolean;
    timestamp?: number;
    metadata?: Record<string, unknown>;
    files?: Array<{
        name: string;
        size?: number;
        localPath?: string;
    }>;
}
export interface FetchHistoryOptions {
    limit?: number;
    maxContextLength?: number;
    currentTraceId?: string;
}
export interface IConversationHistoryProvider {
    ensureThread(threadId: string, platform: Platform, workspaceId?: string): Promise<{
        created: boolean;
    }>;
    fetchHistory(threadId: string, options?: FetchHistoryOptions): Promise<ConversationThread>;
    saveUserMessage(threadId: string, text: string, userId?: string, metadata?: Record<string, unknown>): Promise<{
        id: string;
        firstMessage: boolean;
    }>;
    saveAssistantMessage(threadId: string, text: string, agentId: string, metadata?: Record<string, unknown>): Promise<{
        id: string;
    }>;
    close?(): void;
}