feat: enchance prompt and code (#23633)

Co-authored-by: stream <stream@dify.ai>
Co-authored-by: Stream <1542763342@qq.com>
Co-authored-by: Stream <Stream_2@qq.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

web/i18n/en-US/workflow.ts

@@ -988,6 +988,7 @@ const translation = {
       chatNode: 'Conversation',
       systemNode: 'System',
     },
+    lastOutput: 'Last Output',
     relations: {
       dependencies: 'Dependencies',
       dependents: 'Dependents',