fix: the model's Chain-of-Thought (CoT) uses a different language(casibase#1305)

Author: Working On It

carrier/suggestion.go

@@ -31,6 +31,10 @@ func NewSuggestionCarrier(suggestionCount int) (*SuggestionCarrier, error) {
 
 func (p *SuggestionCarrier) GetQuestion(question string) (string, error) {
 	if p.suggestionCount <= 0 {
+		promptTemplate := `Your reasoning and response must be in the same language as user's question.
+
+Here is the user's question: %s`
+		question = fmt.Sprintf(promptTemplate, question)
 		return question, nil
 	}
 
@@ -39,7 +43,7 @@ func (p *SuggestionCarrier) GetQuestion(question string) (string, error) {
 		format += p.divider + "<Predicted question " + strconv.Itoa(i+1) + ">"
 	}
 
-	promptTemplate := "\n\nYour response must be in the same language as my query." + `Please follow the steps below to optimize your answer:
+	promptTemplate := `\n\nPlease follow the steps below to optimize your answer:
 
 1. **Generate an answer**: Provide a clear, accurate, and helpful answer to the user's question.
 
@@ -61,6 +65,8 @@ Examples of generated predicted questions:
 1. Do you know the weather today?
 2. Do you have any news to share?
 
+Your reasoning and response must be in the same language as user's question.
+
 Here is the user's question: %s`
 
 	question = fmt.Sprintf(promptTemplate, p.divider, p.suggestionCount, p.divider, format, p.divider, question)

carrier/title.go

@@ -32,7 +32,7 @@ func (p *TitleCarrier) GetQuestion(question string) (string, error) {
 
 	format := "<title>"
 	question = question +
-		"\n\nYour response must be in the same language as my query." +
+		"\n\nYour reasoning and response must be in the same language as user's question." +
 		"\n\n**At the end of your answer, if and only if a clear, concise, and meaningful title can be generated to summarize the content, append it.**\n" +
 		"The title should appear at the very end of the response, prefixed by: " + p.divider + "\n" +
 		"Do not include the divider or title if a meaningful title cannot be generated.\n" +