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/Browse/DeployWatcher.cs

@@ -46,6 +46,9 @@ public sealed class DeployWatcher : IDisposable
     /// <inheritdoc cref="IRediscoverable.OnRediscoveryNeeded"/>
     public event EventHandler<RediscoveryEventArgs>? OnRediscoveryNeeded;
 
+    /// <summary>Initializes a new deploy watcher with default backoff parameters.</summary>
+    /// <param name="source">The deploy watch source to subscribe to.</param>
+    /// <param name="logger">Optional logger instance; defaults to null logger.</param>
     public DeployWatcher(IGalaxyDeployWatchSource source, ILogger? logger = null)
         : this(source, logger, DefaultInitialBackoff, DefaultMaxBackoff, jitter: null)
     {
@@ -55,6 +58,11 @@ public sealed class DeployWatcher : IDisposable
     ///     Test-only ctor lets tests collapse the retry backoff so a fault-injection
     ///     scenario doesn't sit in <see cref="Task.Delay(TimeSpan, CancellationToken)"/>.
     /// </summary>
+    /// <param name="source">The deploy watch source to subscribe to.</param>
+    /// <param name="logger">Optional logger instance.</param>
+    /// <param name="initialBackoff">Initial backoff duration for retry.</param>
+    /// <param name="maxBackoff">Maximum backoff duration for retry.</param>
+    /// <param name="jitter">Optional function to apply jitter to backoff intervals.</param>
     internal DeployWatcher(
         IGalaxyDeployWatchSource source,
         ILogger? logger,
@@ -74,6 +82,8 @@ public sealed class DeployWatcher : IDisposable
     ///     has been scheduled — the loop itself runs until <see cref="StopAsync"/> or
     ///     the supplied <paramref name="cancellationToken"/> is signaled.
     /// </summary>
+    /// <param name="cancellationToken">Token to signal cancellation of the watch loop.</param>
+    /// <returns>A task that completes when the loop has been scheduled.</returns>
     public Task StartAsync(CancellationToken cancellationToken)
     {
         if (Interlocked.Exchange(ref _started, 1) != 0)
@@ -112,6 +122,7 @@ public sealed class DeployWatcher : IDisposable
         }
     }
 
+    /// <summary>Disposes the watcher and stops the background loop.</summary>
     public void Dispose()
     {
         if (_loopTask is null) return;