refactor: optimize wallet JWT management, update security checks for debug builds, and improve pricing data parsing

siro_driver/lib/controller/auth/captin/login_captin_controller.dart

@@ -142,11 +142,55 @@ class LoginDriverController extends GetxController {
   }
 
   var dev = '';
+  Future<String>? _walletJwtFuture;
+
   getJwtWallet() async {
+    if (_walletJwtFuture != null) {
+      Log.print('⏳ getJwtWallet: Request already in progress, reusing future.');
+      return _walletJwtFuture!;
+    }
+
+    _walletJwtFuture = _getJwtWalletInternal();
+    try {
+      return await _walletJwtFuture!;
+    } finally {
+      _walletJwtFuture = null;
+    }
+  }
+
+  Future<String> _getJwtWalletInternal() async {
     if (box.read(BoxName.security_check).toString() != 'passed') {
       Log.print('Security check failed');
-      return;
+      return '';
     }
+
+    // 1. Check GetStorage first to avoid redundant API calls
+    String? cachedJwt = box.read(BoxName.walletJwt)?.toString();
+    if (cachedJwt != null && cachedJwt.isNotEmpty) {
+      bool isTokenValid = false;
+      try {
+        final parts = cachedJwt.split('.');
+        if (parts.length == 3) {
+          var payload = parts[1];
+          switch (payload.length % 4) {
+            case 2: payload += '=='; break;
+            case 3: payload += '='; break;
+          }
+          final decoded = jsonDecode(utf8.decode(base64Url.decode(payload)));
+          final exp = decoded['exp'];
+          if (exp != null) {
+            // Check if token has at least 10 seconds remaining
+            isTokenValid = DateTime.now().millisecondsSinceEpoch < (exp * 1000 - 10000);
+          }
+        }
+      } catch (_) {}
+      
+      if (isTokenValid) {
+        Log.print('🔑 Valid Wallet JWT found in storage. Skipping generation.');
+        return cachedJwt;
+      }
+    }
+
     Log.print('Security check passed');
     dev = Platform.isAndroid ? 'android' : 'ios';
     var fingerPrint = box.read(BoxName.deviceFingerprint)?.toString() ??
@@ -172,8 +216,12 @@ class LoginDriverController extends GetxController {
         : decoded['hmac'];
     Log.print('payment["jwt"]: $jwt');
 
-    await box.write(BoxName.hmac, hmac);
-    return jwt.toString();
+    if (jwt != null) {
+      await box.write(BoxName.walletJwt, jwt.toString());
+      await box.write(BoxName.hmac, hmac);
+      return jwt.toString();
+    }
+    return '';
   }
 
   getJWT() async {