Fix restart bot without account

src/Managing.Application/ManageBot/RestartBotCommandHandler.cs

@@ -1,6 +1,7 @@
 using Managing.Application.Abstractions;
 using Managing.Application.Abstractions.Services;
 using Managing.Application.ManageBot.Commands;
+using Managing.Domain.Accounts;
 using MediatR;
 using static Managing.Common.Enums;
 
@@ -50,7 +51,22 @@ namespace Managing.Application.ManageBot
             }
 
             // Get account to check GMX initialization status
-            var account = await _accountService.GetAccount(botConfig.AccountName, true, true);
+            Account account;
+            if (string.IsNullOrEmpty(botConfig.AccountName))
+            {
+                // Fallback: Get the first account for the user
+                var userAccounts = await _accountService.GetAccountsByUserAsync(bot.User, true, true);
+                var firstAccount = userAccounts.FirstOrDefault();
+                if (firstAccount == null)
+                {
+                    throw new InvalidOperationException($"User '{bot.User.Name}' has no accounts configured.");
+                }
+                account = firstAccount;
+            }
+            else
+            {
+                account = await _accountService.GetAccount(botConfig.AccountName, true, true);
+            }
             if (account.Exchange == TradingExchanges.GmxV2 && !account.IsGmxInitialized)
             {
                 var initResult = await _tradingService.InitPrivyWallet(account.Key, TradingExchanges.GmxV2);