feat: rebrand to LumiFlow across miniprogram, admin-console, and server

miniprogram/app.json

@@ -21,7 +21,7 @@
   ],
   "window": {
     "navigationBarBackgroundColor": "#ffffff",
-    "navigationBarTitleText": "智美",
+    "navigationBarTitleText": "LumiFlow",
     "navigationBarTextStyle": "black",
     "backgroundColor": "#f5f5f5"
   },