provider

type ContentAccumulator struct {
	Response
}

type ErrChunkAddition struct {
	Accumulator Response
	Chunk       *Response
}

type ErrUnknownRole struct {
	Role string
}

type Model struct {
	// LLM identifier
	Name string
	// Provider name (e.g., "ollama", "openai")
	Provider string
	// Model implementation
	Impl ModelImpl
}

type ModelImpl interface {
	Chat(context.Context, *Request, *chat.Options) (Response, error)
	ChatStreaming(context.Context, *Request, *chat.Options) (ResponseChannel, error)
}

type Request struct {
	Messages []chat.Message
	Tools    []tools.Tool
}

type Response struct {
	ID           string          `json:"id"`
	Created      time.Time       `json:"created"`
	Content      string          `json:"content"`
	Refusal      string          `json:"refusal"`
	Reasoning    string          `json:"reasoning"`
	ToolCalls    []chat.ToolCall `json:"tool_calls"`
	FinishReason string          `json:"finish_reason"`
	Metrics      metrics.Metrics `json:"metrics"`
}

type ResponseChannel chan ResponseChunk

type ResponseChunk struct {
	Chunk *Response
	Error error
}

type ResponseChunkMarshalable struct {
	Chunk *Response `json:"chunk,omitempty"`
	Error string    `json:"error,omitempty"`
}