Assistant constructor
      const
      Assistant({ 
    
    
- required String id,
- String object = 'assistant',
- required int createdAt,
- String? name,
- String? description,
- required String model,
- String? instructions,
- List<AssistantTool> tools = const [],
- ToolResources? toolResources,
- Map<String, String> ? metadata,
- double? temperature,
- double? topP,
- AssistantResponseFormat? responseFormat,
Implementation
const Assistant({
  required this.id,
  this.object = 'assistant',
  required this.createdAt,
  this.name,
  this.description,
  required this.model,
  this.instructions,
  this.tools = const [],
  this.toolResources,
  this.metadata,
  this.temperature,
  this.topP,
  this.responseFormat,
});