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/reply_interrupt_helpers.go

@@ -39,7 +39,7 @@ func buildConversationInterrupt(conversation models.Conversation, message models
 
 func resolveInterruptPrompt(summary *applicationruntime.Summary) string {
 	if summary == nil || len(summary.Interrupts) == 0 {
-		return "请继续补充信息后再试。"
+		return "Please provide more information and try again."
 	}
 	if prompt := extractInterruptMessage(summary.Interrupts[0].InfoPreview); prompt != "" {
 		return prompt
@@ -47,7 +47,7 @@ func resolveInterruptPrompt(summary *applicationruntime.Summary) string {
 	if prompt := strings.TrimSpace(summary.Interrupts[0].InfoPreview); prompt != "" {
 		return prompt
 	}
-	return "请继续补充信息后再试。"
+	return "Please provide more information and try again."
 }
 
 func extractInterruptMessage(infoPreview string) string {