Message types

import type {
  ConfigPayload,
  ConversationMessage,
  PublicSessionResponse,
} from '@scenaro/sdk/protocol';

interface FeatureDefinition {
  name: string | Record<string, string>;
  type: string;           // e.g. 'collection:items:search'
  settings: Record<string, unknown>;
  tools: ToolConfig[];
}

interface ToolConfig {
  name: string;
  type: string;
  settings?: Record<string, unknown>;
  frontend_method?: string;  // Transport RPC method name override (LiveKit today)
  rpc_timeout_s?: number;
}

interface ConfigAckPayload {
  acknowledged: boolean;
  timestamp: number;
  suppress_recap?: boolean;
}

interface SessionEndPayload {
  reason?: string;
  ended_at?: string;
}

// Request
{ external_id: string; scenario_uuid: string }

// Response
{ user_token: string; user_id: number; application_id: number; expires_in: number }

// Request
{
  scenario_uuid: string;
  input_mode?: string;
  output_mode?: string;
  language?: string;
  resume_conversation_id?: string;
  metadata?: Record<string, unknown>;
}

// Response — Transport credentials (LiveKit today, see /introduction/transport)
{ livekit_token: string; livekit_url: string; expires_in: number }

interface RestoreState {
  checkpoint?: string;
  data?: Record<string, unknown>;
  version?: number;
  updated_at?: string;
}