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/contexts/DeviceContext.tsx

@@ -9,6 +9,7 @@ import {
   PeqFilter,
   PeqState,
 } from "@/lib/luxsinApi";
+import { getDeviceIpFromUrl, resolveInitialDeviceIp } from "@/lib/deviceIp";
 
 interface DeviceContextType {
   ip: string;
@@ -39,7 +40,7 @@ interface DeviceContextType {
 const DeviceContext = createContext<DeviceContextType | null>(null);
 
 export function DeviceProvider({ children }: { children: React.ReactNode }) {
-  const [ip, setIp] = useState(() => localStorage.getItem("luxsin_ip") || "192.168.2.30");
+  const [ip, setIp] = useState(resolveInitialDeviceIp);
   const [isConnected, setIsConnected] = useState(false);
   const [isConnecting, setIsConnecting] = useState(false);
   const [isDemoMode, setDemoMode] = useState(false);
@@ -51,6 +52,7 @@ export function DeviceProvider({ children }: { children: React.ReactNode }) {
   const [api, setApi] = useState<LuxsinAPI | null>(null);
   const lastMsgCountRef = useRef<number>(-1);
   const pollIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
+  const autoConnectStartedRef = useRef(false);
 
   const saveIp = useCallback((newIp: string) => {
     setIp(newIp);
@@ -202,6 +204,17 @@ export function DeviceProvider({ children }: { children: React.ReactNode }) {
     if (!isDemoMode && api) api.setBalance(v).catch(console.error);
   }, [api, isDemoMode]);
 
+  // 启动时根据 ?ip= 或已存 IP 自动连接（默认进入首页，无需连接页）
+  useEffect(() => {
+    if (autoConnectStartedRef.current) return;
+    autoConnectStartedRef.current = true;
+
+    const urlIp = getDeviceIpFromUrl();
+    const targetIp = urlIp ?? ip;
+    if (urlIp) saveIp(urlIp);
+    void connect(false, targetIp);
+  }, [connect, ip, saveIp]);
+
   // Polling for changes
   useEffect(() => {
     if (!isConnected || isDemoMode || !api) return;