Получить детали участника проекта

{
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "project_id": "550e8400-e29b-41d4-a716-446655440000",
    "user_id": "550e8400-e29b-41d4-a716-446655440000",
    "role": "owner",
    "permissions": {
        "can_view_projects": true,
        "can_manage_projects": true,
        "can_view_access": true,
        "can_manage_access": true,
        "can_view_channels": true,
        "can_manage_channels": true,
        "can_manage_channel": true,
        "can_view_agents": true,
        "can_manage_agents": true,
        "can_view_dialogs": true,
        "can_manage_dialogs": true,
        "can_view_leads": true,
        "can_manage_leads": true,
        "can_view_mcp_servers": true,
        "can_manage_mcp_servers": true,
        "can_view_analytics": true,
        "can_manage_analytics": true,
        "can_view_billing": true,
        "can_manage_billing": true,
        "can_view_data_sources": true,
        "can_manage_data_sources": true,
        "can_manage_server_lists": true,
        "can_view_metrics": true,
        "can_manage_metrics": true,
        "can_view_events": true,
        "can_manage_events": true,
        "can_view_documentation": true,
        "can_manage_documentation": true,
        "can_view_api_tokens": true,
        "can_manage_api_tokens": true,
        "can_view_storage": true,
        "can_manage_storage": true,
        "can_view_project_variables": true,
        "can_manage_project_variables": true,
        "can_view_lead_definitions": true,
        "can_manage_lead_definitions": true
    },
    "user": {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "email": "user@example.com",
        "phone": "+79991234567",
        "avatar_url": "string",
        "first_name": "Иван",
        "last_name": "Иванов",
        "language": "ru",
        "timezone_offset_minutes": 180,
        "is_active": true,
        "is_admin": false,
        "meta": {
            "preferences": {
                "notifications": true
            },
            "extra": {
                "last_sync": "2025-01-01"
            },
            "plan": "premium",
            "tags": [
                "vip",
                "active"
            ]
        },
        "created_at": "2019-08-24T14:15:22.123Z",
        "updated_at": "2019-08-24T14:15:22.123Z"
    },
    "channels": [
        {
            "id": "550e8400-e29b-41d4-a716-446655440000",
            "name": "Поддержка",
            "type": "vk",
            "external_id": "@support_bot",
            "avatar_url": "string",
            "role": "owner",
            "can_view_leads": true,
            "can_manage_leads": true,
            "can_manage_channel": true,
            "can_view_dialogs": true,
            "member_since": "string"
        }
    ],
    "created_at": "2024-01-15T10:30:00Z"
}