docs: backfill XML documentation across 756 files

Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.

src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Galaxy/Runtime/IGalaxySubscriber.cs

@@ -17,10 +17,15 @@ public interface IGalaxySubscriber
     ///     negative — the caller treats those as per-tag failures rather than a whole-call
     ///     failure.
     /// </summary>
+    /// <param name="fullReferences">The list of tag references to subscribe to.</param>
+    /// <param name="bufferedUpdateIntervalMs">The buffered update interval in milliseconds.</param>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task<IReadOnlyList<SubscribeResult>> SubscribeBulkAsync(
         IReadOnlyList<string> fullReferences, int bufferedUpdateIntervalMs, CancellationToken cancellationToken);
 
     /// <summary>Unsubscribe a batch of item handles obtained from <see cref="SubscribeBulkAsync"/>.</summary>
+    /// <param name="itemHandles">The item handles to unsubscribe.</param>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task UnsubscribeBulkAsync(IReadOnlyList<int> itemHandles, CancellationToken cancellationToken);
 
     /// <summary>
@@ -28,5 +33,6 @@ public interface IGalaxySubscriber
     ///     <see cref="MxEvent"/> carries the gw item handle the caller correlates against
     ///     its <see cref="SubscriptionRegistry"/>.
     /// </summary>
+    /// <param name="cancellationToken">Cancellation token for the stream.</param>
     IAsyncEnumerable<MxEvent> StreamEventsAsync(CancellationToken cancellationToken);
 }