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/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs

@@ -52,7 +52,9 @@ public sealed class OpcUaPublishActor : ReceiveActor
         Array.Empty<ScriptedAlarmPlan>(),
         Array.Empty<GalaxyTagPlan>());
 
+    /// <summary>Gets the number of writes performed.</summary>
     public int WriteCount => _writes;
+    /// <summary>Gets the last published service level.</summary>
     public byte LastServiceLevel => _lastServiceLevel;
 
     /// <summary>Production Props — pins the OPC UA dispatcher + subscribes to the
@@ -60,6 +62,11 @@ public sealed class OpcUaPublishActor : ReceiveActor
     /// publish path. When <paramref name="dbFactory"/> + <paramref name="applier"/> are supplied,
     /// <see cref="RebuildAddressSpace"/> reads the latest deployment artifact + drives the
     /// applier through the sink.</summary>
+    /// <param name="sink">The OPC UA address space sink.</param>
+    /// <param name="serviceLevel">The service level publisher.</param>
+    /// <param name="localNode">The local cluster node ID.</param>
+    /// <param name="dbFactory">The optional database context factory.</param>
+    /// <param name="applier">The optional Phase 7 applier.</param>
     public static Props Props(
         IOpcUaAddressSpaceSink? sink = null,
         IServiceLevelPublisher? serviceLevel = null,
@@ -76,6 +83,12 @@ public sealed class OpcUaPublishActor : ReceiveActor
 
     /// <summary>Test-only Props that omits the pinned-dispatcher requirement and skips the
     /// DPS subscribe so unit tests can spin up the actor on a vanilla TestKit cluster.</summary>
+    /// <param name="sink">The OPC UA address space sink.</param>
+    /// <param name="serviceLevel">The service level publisher.</param>
+    /// <param name="subscribeRedundancyTopic">Whether to subscribe to the redundancy topic.</param>
+    /// <param name="localNode">The local cluster node ID.</param>
+    /// <param name="dbFactory">The optional database context factory.</param>
+    /// <param name="applier">The optional Phase 7 applier.</param>
     public static Props PropsForTests(
         IOpcUaAddressSpaceSink? sink = null,
         IServiceLevelPublisher? serviceLevel = null,
@@ -91,6 +104,13 @@ public sealed class OpcUaPublishActor : ReceiveActor
             dbFactory,
             applier));
 
+    /// <summary>Initializes a new instance of the <see cref="OpcUaPublishActor"/> class.</summary>
+    /// <param name="sink">The OPC UA address space sink.</param>
+    /// <param name="serviceLevel">The service level publisher.</param>
+    /// <param name="subscribeRedundancyTopic">Whether to subscribe to the redundancy topic.</param>
+    /// <param name="localNode">The local cluster node ID.</param>
+    /// <param name="dbFactory">The optional database context factory.</param>
+    /// <param name="applier">The optional Phase 7 applier.</param>
     public OpcUaPublishActor(
         IOpcUaAddressSpaceSink sink,
         IServiceLevelPublisher serviceLevel,
@@ -114,6 +134,7 @@ public sealed class OpcUaPublishActor : ReceiveActor
         Receive<SubscribeAck>(_ => { /* PubSub ack */ });
     }
 
+    /// <inheritdoc />
     protected override void PreStart()
     {
         if (_subscribeRedundancyTopic)