add system role, so ChatGPT can act as someone

main.go

@@ -21,6 +21,7 @@ import (
 )
 
 const (
+	roleSystem    = "system"
 	roleUser      = "user"
 	roleAssistant = "assistant"
 
@@ -281,7 +282,12 @@ func main() {
 			fmt.Fprintln(textView, "[red::]You:[-]")
 			fmt.Fprintf(textView, "%s\n\n", content)
 
-			messages := make([]Message, 0)
+			messages := []Message{
+				{
+					Role:    roleSystem,
+					Content: "You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.",
+				},
+			}
 			if list.GetItemCount() > 0 && !isNewChat {
 				title, _ := list.GetItemText(list.GetCurrentItem())
 				if c, ok := m[title]; ok {