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feat: support anthropic claude cache control config. issues 897 #1068

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feat: support anthropic claude cache control config. issues 897 #1068

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b53aab5
feat: support anthropic claude cache control config. issues 897
Aug 20, 2025
11edd23
fix: sanity check
Aug 20, 2025
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18 changes: 13 additions & 5 deletions chat.go
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Original file line number Diff line number Diff line change
Expand Up @@ -88,10 +88,17 @@ const (
ChatMessagePartTypeImageURL ChatMessagePartType = "image_url"
)

// CacheControlConfig for anthropic prompt cache control.
type CacheControlConfig struct {
Type string `json:"type,omitempty"`
TTL string `json:"ttl,omitempty"`
}

type ChatMessagePart struct {
Type ChatMessagePartType `json:"type,omitempty"`
Text string `json:"text,omitempty"`
ImageURL *ChatMessageImageURL `json:"image_url,omitempty"`
Type ChatMessagePartType `json:"type,omitempty"`
Text string `json:"text,omitempty"`
ImageURL *ChatMessageImageURL `json:"image_url,omitempty"`
CacheControl *CacheControlConfig `json:"cache_control,omitempty"`
}

type ChatCompletionMessage struct {
Expand Down Expand Up @@ -344,8 +351,9 @@ const (
)

type Tool struct {
Type ToolType `json:"type"`
Function *FunctionDefinition `json:"function,omitempty"`
Type ToolType `json:"type"`
Function *FunctionDefinition `json:"function,omitempty"`
CacheControl *CacheControlConfig `json:"cache_control,omitempty"`
}

type ToolChoice struct {
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1 change: 1 addition & 0 deletions common.go
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Expand Up @@ -9,6 +9,7 @@ type Usage struct {
TotalTokens int `json:"total_tokens"`
PromptTokensDetails *PromptTokensDetails `json:"prompt_tokens_details"`
CompletionTokensDetails *CompletionTokensDetails `json:"completion_tokens_details"`
CacheReadInputTokens int `json:"cache_read_input_tokens"`
}

// CompletionTokensDetails Breakdown of tokens used in a completion.
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