internal/model/openai.go

package model

// OpenAI compatible request/response structures

type ChatCompletionRequest struct {
	Model       string        `json:"model"`
	Messages    []ChatMessage `json:"messages"`
	MaxTokens   int           `json:"max_tokens,omitempty"`
	Temperature float64       `json:"temperature,omitempty"`
	TopP        float64       `json:"top_p,omitempty"`
	Stream      bool          `json:"stream,omitempty"`
	Stop        []string      `json:"stop,omitempty"`
}

type ChatMessage struct {
	Role    string `json:"role"`
	Content string `json:"content"`
}

type ChatCompletionResponse struct {
	ID      string   `json:"id"`
	Object  string   `json:"object"`
	Created int64    `json:"created"`
	Model   string   `json:"model"`
	Choices []Choice `json:"choices"`
	Usage   Usage    `json:"usage"`
}

type Choice struct {
	Index        int         `json:"index"`
	Message      ChatMessage `json:"message"`
	FinishReason string      `json:"finish_reason"`
}

type Usage struct {
	PromptTokens     int `json:"prompt_tokens"`
	CompletionTokens int `json:"completion_tokens"`
	TotalTokens      int `json:"total_tokens"`
}

type StreamChoice struct {
	Index        int         `json:"index"`
	Delta        ChatMessage `json:"delta"`
	FinishReason *string     `json:"finish_reason"`
}

type ChatCompletionChunk struct {
	ID      string         `json:"id"`
	Object  string         `json:"object"`
	Created int64          `json:"created"`
	Model   string         `json:"model"`
	Choices []StreamChoice `json:"choices"`
}