Refactor localization strings to English across various services and UI components

- Updated titles and subtitles in channel_service.go for web channel and WeChat MP channel configurations.
- Changed handoff messages in conversation_human_dispatch_service.go to English.
- Modified notification messages in event handlers for ticket and conversation assignments to English.
- Adjusted ticket creation messages in ticket_service.go to reflect English localization.
- Updated default locale settings in i18n configuration files to English (en-US).
- Changed HTML language attribute in layout.tsx to English.
- Refactored widget locale detection logic in agent-desk-sdk.ts to prioritize English.

internal/ai/runtime/graphs/hitl.go

@@ -5,11 +5,11 @@ import "strings"
 const (
 	InterruptTypeTicketCreationConfirmation = "ticket_creation_confirmation"
 	InterruptTypeHandoffConfirmation        = "handoff_confirmation"
-	ConfirmOrCancelPrompt                   = "请回复“确认”或“取消”。"
-	NeedExplicitConfirmationPrompt          = "我需要你的明确确认，请直接回复“确认”或“取消”。"
-	ConfirmationExpiredReply                = "本次确认已失效，请重新发起。"
-	CancelCreateTicketReply                 = "已取消本次工单创建。"
-	CancelHandoffReply                      = "已取消本次转人工。"
+	ConfirmOrCancelPrompt                   = `Please reply with "Confirm" or "Cancel".`
+	NeedExplicitConfirmationPrompt          = `I need your explicit confirmation. Please reply with "Confirm" or "Cancel".`
+	ConfirmationExpiredReply                = "This confirmation has expired. Please start again."
+	CancelCreateTicketReply                 = "Ticket creation has been cancelled."
+	CancelHandoffReply                      = "Human handoff has been cancelled."
 )
 
 type ConfirmationDecision string
@@ -24,13 +24,13 @@ func ParseConfirmationDecision(value string) ConfirmationDecision {
 	if value == "" {
 		return ""
 	}
-	confirmWords := []string{"确认", "是", "好的", "可以", "ok", "yes", "继续", "同意"}
+	confirmWords := []string{"确认", "是", "好的", "可以", "ok", "yes", "continue", "confirm", "继续", "同意"}
 	for _, item := range confirmWords {
 		if strings.Contains(value, item) {
 			return ConfirmationDecisionConfirm
 		}
 	}
-	cancelWords := []string{"取消", "不用", "不需要", "算了", "no"}
+	cancelWords := []string{"取消", "不用", "不需要", "算了", "no", "cancel"}
 	for _, item := range cancelWords {
 		if strings.Contains(value, item) {
 			return ConfirmationDecisionCancel
@@ -41,5 +41,8 @@ func ParseConfirmationDecision(value string) ConfirmationDecision {
 
 func IsCancellationReply(replyText string) bool {
 	replyText = strings.TrimSpace(replyText)
-	return strings.Contains(replyText, CancelCreateTicketReply) || strings.Contains(replyText, CancelHandoffReply)
+	return strings.Contains(replyText, CancelCreateTicketReply) ||
+		strings.Contains(replyText, CancelHandoffReply) ||
+		strings.Contains(replyText, "已取消本次工单创建。") ||
+		strings.Contains(replyText, "已取消本次转人工。")
 }