Refine proxy routing and UI state handling

src/api/tauriCommands.ts

@@ -75,6 +75,27 @@ export interface PingServerResponse {
   error?: string;
 }
 
+export interface ProxyProbeResponse {
+  id: string;
+  name: string;
+  url: string;
+  ok: boolean;
+  status?: number;
+  latency?: number;
+  ip?: string;
+  error?: string;
+}
+
+export interface ProxyTargetCheckResponse {
+  tag: string;
+  server: string;
+  serverPort: number;
+  ok: boolean;
+  latency?: number;
+  error?: string;
+  probes: ProxyProbeResponse[];
+}
+
 export interface GenerateSingBoxConfigResponse {
   success: boolean;
   message: string;
@@ -184,8 +205,8 @@ export function pingAllSingBoxServers(): Promise<PingServerResponse[]> {
   return invoke<PingServerResponse[]>('ping_all_singbox_servers');
 }
 
-export function pingProxyTarget(host: string, port: number): Promise<PingServerResponse> {
-  return invoke<PingServerResponse>('ping_proxy_target', {
+export function pingProxyTarget(host: string, port: number): Promise<ProxyTargetCheckResponse> {
+  return invoke<ProxyTargetCheckResponse>('ping_proxy_target', {
     input: { host, port },
   });
 }