Entry upgrade price 400

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/Unlock.cs

@@ -6,7 +6,7 @@ namespace Decentralized
     public static class Unlock
     {
         public const string Id = "PD_WEB3_COMMUNITY";
-        public const int Price = 300;
+        public const int Price = 400;
         private const string Card = "Service";
 
         public static bool IsUnlocked => PlayerStore.Instance != null && ModHelper.IsNetworkUpgradeUnlocked(Id);