Add frontend app and redesign prototype for rule management UI.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-redesign/patch_monitoring.py

@@ -0,0 +1,9 @@
+import re
+
+with open('src/components/SandboxSimulation.tsx', 'r') as f:
+    content = f.read()
+
+content = content.replace("实时预警流监控 (Event Monitoring)", "实时预警流监控")
+
+with open('src/components/SandboxSimulation.tsx', 'w') as f:
+    f.write(content)