perf(adminui): raw tree renders tag rows from a projection without TagConfig

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Uns/RawTreeService.cs

@@ -173,6 +173,7 @@ public sealed class RawTreeService(IDbContextFactory<OtOpcUaConfigDbContext> dbF
         var tags = await db.Tags.AsNoTracking()
             .Where(t => t.DeviceId == deviceId && t.TagGroupId == null)
             .OrderBy(t => t.Name)
+            .Select(t => new TagRow(t.TagId, t.Name, t.RowVersion))
             .ToListAsync(ct);
 
         var nodes = new List<RawNode>(groups.Count + tags.Count);
@@ -194,6 +195,7 @@ public sealed class RawTreeService(IDbContextFactory<OtOpcUaConfigDbContext> dbF
         var tags = await db.Tags.AsNoTracking()
             .Where(t => t.TagGroupId == groupId)
             .OrderBy(t => t.Name)
+            .Select(t => new TagRow(t.TagId, t.Name, t.RowVersion))
             .ToListAsync(ct);
 
         var nodes = new List<RawNode>(subGroups.Count + tags.Count);
@@ -299,7 +301,13 @@ public sealed class RawTreeService(IDbContextFactory<OtOpcUaConfigDbContext> dbF
         }).ToList();
     }
 
-    private static RawNode BuildTagNode(RawNode parent, Tag t) => new()
+    /// <summary>
+    ///     The only columns a tree row needs from a <see cref="Tag" />. Projecting to this keeps the
+    ///     <c>TagConfig</c> nvarchar(max) JSON blob out of the tree's SELECT — it is never rendered.
+    /// </summary>
+    private sealed record TagRow(string TagId, string Name, byte[] RowVersion);
+
+    private static RawNode BuildTagNode(RawNode parent, TagRow t) => new()
     {
         Kind = RawNodeKind.Tag,
         Key = $"tag:{t.TagId}",