Refactor build and start scripts in package.json; add plugin to exclude debug files from production build in vite.config.ts; remove ConnectScreen component and replace with ConnectionPlaceholder in multiple pages; update DeviceContext to auto-connect using device IP from URL; enhance locale files with new device IP labels.

client/src/locales/data-zh-HK.json

@@ -12,7 +12,8 @@
     "powerOffConfirmCancel": "取消",
     "powerOffToastDemo": "演示模式：已中斷與裝置的連線",
     "powerOffToastSent": "已傳送關機指令",
-    "doubleClickHint": "按兩下進入"
+    "doubleClickHint": "按兩下進入",
+    "backToLegacy": "返回舊版"
   },
   "vuPage": {
     "title": "VU 表庫"
@@ -403,7 +404,7 @@
       "deviceName": "裝置名稱",
       "firmwareVersion": "韌體版本",
       "macAddress": "MAC 位址",
-      "disconnect": "中斷連線"
+      "deviceIp": "裝置 IP"
     }
   },
   "prompt": {