UpsertExternalUserMcpCredentialDto

{
    "project_id": "string",
    "channel_id": "string",
    "external_user_id": "string",
    "mcp_server_id": "string",
    "lead_id": "string",
    "credential_type": "oauth2",
    "secret_payload": {
        "access_token": "token"
    },
    "source_session_id": "string",
    "auth_method": "manual",
    "expires_at": "string",
    "connected_identity": {
        "type": "project",
        "name": "Основной проект",
        "external_id": "12345",
        "avatar_url": "https://example.com/avatar.png",
        "provider": "streamvi"
    }
}