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/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions/DriverTier.cs

@@ -6,8 +6,6 @@ namespace ZB.MOM.WW.OtOpcUa.Core.Abstractions;
 ///     supervision with process-level recycle is in play.
 /// </summary>
 /// <remarks>
-///     Per <c>docs/v2/driver-stability.md</c> §2-4 and <c>docs/v2/plan.md</c> decisions #63-74.
-///
 ///     <list type="bullet">
 ///         <item><b>A</b> — managed, known-good SDK; low blast radius. In-process. Fast retries.
 ///             Examples: OPC UA Client (OPCFoundation stack), S7 (S7NetPlus).</item>
@@ -18,7 +16,7 @@ namespace ZB.MOM.WW.OtOpcUa.Core.Abstractions;
 ///     </list>
 ///
 ///     <para>Process-kill protections (<c>MemoryRecycle</c>, <c>ScheduledRecycleScheduler</c>) are
-///     Tier C only per decisions #73-74 and #145 — killing an in-process Tier A/B driver also kills
+///     Tier C only — killing an in-process Tier A/B driver also kills
 ///     every OPC UA session and every co-hosted driver, blast-radius worse than the leak.</para>
 /// </remarks>
 public enum DriverTier