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

@@ -21,6 +21,8 @@ public interface IDriver
     string DriverType { get; }
 
     /// <summary>Initialize the driver from its <c>DriverConfig</c> JSON; open connections; prepare for first use.</summary>
+    /// <param name="driverConfigJson">The driver configuration as JSON.</param>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task InitializeAsync(string driverConfigJson, CancellationToken cancellationToken);
 
     /// <summary>
@@ -33,9 +35,12 @@ public interface IDriver
     ///     only Core-initiated recovery path for in-process drivers; if it fails, the driver instance
     ///     is marked Faulted and its nodes go Bad quality, but the server process keeps running.
     /// </remarks>
+    /// <param name="driverConfigJson">The driver configuration as JSON.</param>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task ReinitializeAsync(string driverConfigJson, CancellationToken cancellationToken);
 
     /// <summary>Stop the driver, close connections, release resources. Called on shutdown or driver removal.</summary>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task ShutdownAsync(CancellationToken cancellationToken);
 
     /// <summary>Current health snapshot, polled by Core for the status dashboard and ServiceLevel.</summary>
@@ -57,5 +62,6 @@ public interface IDriver
     ///     Drop optional caches (symbol cache, browse cache, etc.) to bring footprint back below budget.
     ///     Required-for-correctness state must NOT be flushed.
     /// </summary>
+    /// <param name="cancellationToken">Cancellation token for the operation.</param>
     Task FlushOptionalCachesAsync(CancellationToken cancellationToken);
 }