feat: gate claim link info detail by membership/admin, count members with no claims

ClaimLink/ClaimLinkChatCommand.cs

@@ -543,7 +543,11 @@ public static class ClaimLinkChatCommand
         if (err != null)
             return err;
 
-        return TextCommandResult.Success(FormatInfo(groupName, group.Uid));
+        IPlayer player = args.Caller.Player;
+        bool showDetails =
+            player.HasPrivilege(Privilege.controlserver) || player.GetGroup(group.Uid) != null;
+
+        return TextCommandResult.Success(FormatInfo(groupName, group.Uid, showDetails));
     }
 
     public static TextCommandResult List(TextCommandCallingArgs args)
@@ -585,7 +589,7 @@ public static class ClaimLinkChatCommand
         return string.IsNullOrEmpty(claim.Description) ? $"claim {claimIndex}" : claim.Description;
     }
 
-    private static string FormatInfo(string groupName, int groupId)
+    private static string FormatInfo(string groupName, int groupId, bool showDetails)
     {
         int memberCount = ClaimLinkModSystem.Registry.MemberCountForGroup(groupId);
 
@@ -597,6 +601,13 @@ public static class ClaimLinkChatCommand
         foreach (string uid in ClaimLinkModSystem.Registry.MemberUidsForGroup(groupId))
         {
             string name = ClaimLinkModSystem.World.PlayerByUid(uid)?.PlayerName ?? uid;
+
+            if (!showDetails)
+            {
+                sb.AppendLine($"  {name}");
+                continue;
+            }
+
             IEnumerable<string> claims = ClaimLinkModSystem
                 .Registry.ClaimsForPlayerInGroup(uid, groupId)
                 .Select(i => DescribeClaim(uid, i));

ClaimLink/ClaimLinkRegistry.cs

@@ -145,7 +145,7 @@ public class ClaimLinkRegistry
     public IEnumerable<string> MemberUidsForGroup(int groupId)
     {
         foreach (var (uid, groups) in entries)
-            if (groups.TryGetValue(groupId, out var claims) && claims.Count > 0)
+            if (groups.ContainsKey(groupId))
                 yield return uid;
     }