Function isSameProviderFamily

internal/thinking/validate.go:367–373

(from, to string)

}

func isSameProviderFamily(from, to string) bool {
	if from == to {
		return true
	}
	return (isGeminiFamily(from) && isGeminiFamily(to)) ||
		(isOpenAIFamily(from) && isOpenAIFamily(to))
}

func abs(x int) int {
	if x < 0 {