claude

type CacheControl struct {
	Type string `json:"type"` // e.g. "ephemeral"
}

type Content struct {
	Type string `json:"type"`
	Text string `json:"text"`
}

type ContentPart struct {
	Type   string       `json:"type"`             // "text" or "image"
	Text   string       `json:"text,omitempty"`   // type="text"の場合
	Source *ImageSource `json:"source,omitempty"` // type="image"の場合
}

type Delta struct {
	Type string `json:"type"`
	Text string `json:"text"`
}

type ImageSource struct {
	Type      string `json:"type"`       // "base64"
	MediaType string `json:"media_type"` // "image/png", "image/jpeg" etc
	Data      string `json:"data"`       // Base64エンコードされたデータ
}

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

type MultimodalMessage struct {
	Role    string        `json:"role"`
	Content []ContentPart `json:"content"`
}

type MultimodalRequest struct {
	Model    string        `json:"model"`
	Messages []interface{} `json:"messages"` // Message or MultimodalMessage
	// System can be either string (legacy) or []SystemBlock (prompt caching).
	System    interface{}     `json:"system,omitempty"`
	MaxTokens int             `json:"max_tokens"`
	Stream    bool            `json:"stream"`
	Thinking  *ThinkingConfig `json:"thinking,omitempty"`
}

type Provider struct {
	// contains filtered or unexported fields
}

type Request struct {
	Model    string    `json:"model"`
	Messages []Message `json:"messages"`
	// System can be either string (legacy) or []SystemBlock (prompt caching).
	System    interface{}     `json:"system,omitempty"`
	MaxTokens int             `json:"max_tokens"`
	Stream    bool            `json:"stream"`
	Thinking  *ThinkingConfig `json:"thinking,omitempty"`
}

type Response struct {
	Content []Content `json:"content"`
}

type StreamEvent struct {
	Type  string `json:"type"`
	Delta Delta  `json:"delta"`
}

type SystemBlock struct {
	Type         string        `json:"type"` // "text"
	Text         string        `json:"text"`
	CacheControl *CacheControl `json:"cache_control,omitempty"`
}

type ThinkingConfig struct {
	Type         string `json:"type"`          // "enabled"
	BudgetTokens int    `json:"budget_tokens"` // min 1024
}