export type ChatSessionStatus = 'active' | 'closed' | 'expired';
export type ChatTurnRole = 'user' | 'agent';
export type ChatTurnStatus = 'queued' | 'processing' | 'completed' | 'failed';
export interface ChatToolCall {
    name: string;
    status: 'success' | 'failed';
}
export interface ChatTokenUsage {
    prompt_tokens: number;
    completion_tokens: number;
}
export interface ChatAgentMetadata {
    tool_calls: ChatToolCall[];
    referenced_documents: string[];
    model: string;
    token_usage: ChatTokenUsage;
}
export interface ChatTurnError {
    code: 'agent_error' | 'timeout' | 'context_too_large' | 'rate_limited';
    message: string;
}
export interface ChatTurn {
    id: string;
    session_id: string;
    sequence_number: number;
    role: ChatTurnRole;
    content: string;
    status: ChatTurnStatus;
    error?: ChatTurnError | null;
    agent_metadata?: ChatAgentMetadata | null;
    created_at: string;
    completed_at: string | null;
}
export interface ChatTurnListResponse {
    items: ChatTurn[];
    total: number;
    limit: number;
    offset: number;
}
export interface ChatSession {
    id: string;
    meeting_id?: string | null;
    status: ChatSessionStatus;
    title?: string | null;
    turn_count: number;
    metadata?: Record<string, string>;
    created_at: string;
    updated_at: string;
    current_turn?: ChatTurn;
    turns?: ChatTurnListResponse;
}
export interface ChatSessionListParams {
    meeting_id?: string;
    status?: ChatSessionStatus;
    limit?: number;
    offset?: number;
}
export interface ChatSessionListResponse {
    items: ChatSession[];
    total: number;
    limit: number;
    offset: number;
}
export interface CreateChatSessionRequest {
    meeting_id?: string;
    message: string;
    context_document_ids?: string[];
    metadata?: Record<string, string>;
}
export interface GetChatSessionParams {
    include?: 'undelivered' | 'all_turns';
    turn_limit?: number;
    turn_offset?: number;
}
export interface SendChatMessageRequest {
    message: string;
}
export interface SendChatMessageResponse {
    turn: ChatTurn;
    position: number;
    queued_turns: number;
}
export interface GetTurnResponse {
    turn: ChatTurn;
}
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