Fix Usdc.Value to amount

src/Managing.Application/ManageBot/BotService.cs

@@ -418,7 +418,7 @@ namespace Managing.Application.ManageBot
                             }
                         }
 
-                        var usdcValue = usdcBalance?.Value ?? 0m;
+                        var usdcValue = usdcBalance?.Amount ?? 0m;
                         var available = usdcValue - totalAllocatedForAccount;
                         return available < 0m ? 0m : available;
                     });