Update internal/types/openai.go

internal/types/openai.go

@@ -9,6 +9,7 @@ type ChatCompletionStreamResponse struct {
 	Model               string                       `json:"model"`
 	Choices             []ChatCompletionStreamChoice `json:"choices"`
 	SystemFingerprint   string                       `json:"system_fingerprint"`
+	ReasoningContent    string                       `json:"reasoning_content,omitempty"`
 	PromptAnnotations   []openai.PromptAnnotation    `json:"prompt_annotations,omitempty"`
 	PromptFilterResults []openai.PromptFilterResult  `json:"prompt_filter_results,omitempty"`
 	Usage               *openai.Usage                `json:"usage,omitempty"`