docs(xmldoc): fill missing XML docs + strip tracking-ID comments across src

Adds <summary>/<param>/<returns>/<inheritdoc> where missing and removes
project bookkeeping IDs (task/tracking refs) from shipped code comments,
so the docs read cleanly and CommentChecker is quiet except for known
false positives (PLC/protocol terms, event/IEqualityComparer inheritdoc).
Doc/comment-only; no logic changed; solution builds clean.

src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip/AbCipUdtMemberLayout.cs

@@ -2,7 +2,7 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.AbCip;
 
 /// <summary>
 ///     Computes byte offsets for declared UDT members under Logix natural-alignment rules so
-///     a single whole-UDT read (task #194) can decode each member from one buffer without
+///     a single whole-UDT read can decode each member from one buffer without
 ///     re-reading per member. Declaration-driven — the caller supplies
 ///     <see cref="AbCipStructureMember"/> rows; this helper produces the offset each member
 ///     sits at in the parent tag's read buffer.
@@ -30,6 +30,7 @@ public static class AbCipUdtMemberLayout
     ///     if any member type is unsupported for declaration-only layout.
     /// </summary>
     /// <param name="members">The list of UDT member declarations.</param>
+    /// <returns>A dictionary of member offsets keyed by name, or <c>null</c> if any member type is unsupported.</returns>
     public static IReadOnlyDictionary<string, int>? TryBuild(
         IReadOnlyList<AbCipStructureMember> members)
     {
@@ -44,7 +45,7 @@ public static class AbCipUdtMemberLayout
             if (!TryGetSizeAlign(member.DataType, out var size, out var align))
                 return null;
 
-            // Driver.AbCip-016 — an array member can't be placed by declaration-only layout: the
+            // An array member can't be placed by declaration-only layout: the
             // whole-UDT grouped read decodes one scalar per member at its offset and can't return
             // an array, and advancing the cursor by the scalar size (not size * count) would
             // mis-place every member after it. Opt the whole group out so array members fall back