Fix Windows local node startup and stop flow

lib/app.dart

@@ -137,6 +137,16 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
     if (walletState.walletInfo == null) {
       return;
     }
+    if (config.nodeConfig.mode == NodeMode.local) {
+      final localNode = ref.read(localNodeServiceProvider);
+      final started = await localNode.ensureRunning(
+        config: LocalNodeConfig(extraArgs: config.localNodeArgs),
+      );
+      if (!started) {
+        ref.read(loggerProvider).w('Failed to ensure local node is running.');
+        return;
+      }
+    }
     try {
       await ref
           .read(walletControllerProvider.notifier)
@@ -144,25 +154,6 @@ class _PeyaAppState extends ConsumerState<PeyaApp> {
       await ref.read(walletControllerProvider.notifier).syncNow();
       return;
     } catch (error) {
-      if (config.nodeConfig.mode == NodeMode.local) {
-        final localNode = ref.read(localNodeServiceProvider);
-        final started = await localNode.ensureRunning(
-          config: LocalNodeConfig(extraArgs: config.localNodeArgs),
-        );
-        if (started) {
-          try {
-            await ref
-                .read(walletControllerProvider.notifier)
-                .connectNode(config.nodeConfig);
-            await ref.read(walletControllerProvider.notifier).syncNow();
-            return;
-          } catch (retryError) {
-            ref
-                .read(loggerProvider)
-                .w('Failed to connect after starting local node: $retryError');
-          }
-        }
-      }
       ref.read(loggerProvider).w('Failed to connect node: $error');
     }
   }

lib/services/windows_local_node_service.dart

@@ -190,14 +190,10 @@ class WindowsLocalNodeService implements LocalNodeService {
     HttpClient? client;
     try {
       client = HttpClient();
-      final uri = Uri.parse('http://${config.rpcHost}:${config.rpcPort}/json_rpc');
+      final uri = Uri.parse('http://${config.rpcHost}:${config.rpcPort}/stop_daemon');
       final request = await client.postUrl(uri);
       request.headers.contentType = ContentType.json;
-      request.write(jsonEncode({
-        'jsonrpc': '2.0',
-        'id': '0',
-        'method': 'stop_daemon',
-      }));
+      request.write('{}');
       final response = await request.close();
       final body = await utf8.decoder.bind(response).join();
       if (response.statusCode != HttpStatus.ok) {