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.S7/S7DriverFactoryExtensions.cs

@@ -15,12 +15,18 @@ public static class S7DriverFactoryExtensions
 {
     public const string DriverTypeName = "S7";
 
+    /// <summary>Registers the S7 driver factory with the registry.</summary>
+    /// <param name="registry">The driver factory registry.</param>
     public static void Register(DriverFactoryRegistry registry)
     {
         ArgumentNullException.ThrowIfNull(registry);
         registry.Register(DriverTypeName, CreateInstance);
     }
 
+    /// <summary>Creates a new S7 driver instance from configuration.</summary>
+    /// <param name="driverInstanceId">The unique identifier for the driver instance.</param>
+    /// <param name="driverConfigJson">The JSON configuration for the driver.</param>
+    /// <returns>A newly created S7 driver instance.</returns>
     internal static S7Driver CreateInstance(string driverInstanceId, string driverConfigJson)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(driverInstanceId);
@@ -34,6 +40,9 @@ public static class S7DriverFactoryExtensions
     ///     / <see cref="S7Driver.ReinitializeAsync"/> so a config change delivered through the
     ///     <c>IDriver</c> contract is actually applied — see code-review finding Driver.S7-011.
     /// </summary>
+    /// <param name="driverInstanceId">The unique identifier for the driver instance.</param>
+    /// <param name="driverConfigJson">The JSON configuration for the driver.</param>
+    /// <returns>Parsed S7 driver options.</returns>
     internal static S7DriverOptions ParseOptions(string driverInstanceId, string driverConfigJson)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(driverInstanceId);
@@ -104,32 +113,52 @@ public static class S7DriverFactoryExtensions
         AllowTrailingCommas = true,
     };
 
+    /// <summary>Data transfer object for S7 driver configuration.</summary>
     internal sealed class S7DriverConfigDto
     {
+        /// <summary>Gets the PLC host address.</summary>
         public string? Host { get; init; }
+        /// <summary>Gets the PLC port.</summary>
         public int? Port { get; init; }
+        /// <summary>Gets the CPU type name.</summary>
         public string? CpuType { get; init; }
+        /// <summary>Gets the rack number.</summary>
         public short? Rack { get; init; }
+        /// <summary>Gets the slot number.</summary>
         public short? Slot { get; init; }
+        /// <summary>Gets the connection timeout in milliseconds.</summary>
         public int? TimeoutMs { get; init; }
+        /// <summary>Gets the list of tag definitions.</summary>
         public List<S7TagDto>? Tags { get; init; }
+        /// <summary>Gets the probe configuration.</summary>
         public S7ProbeDto? Probe { get; init; }
     }
 
+    /// <summary>Data transfer object for S7 tag definition.</summary>
     internal sealed class S7TagDto
     {
+        /// <summary>Gets the tag name.</summary>
         public string? Name { get; init; }
+        /// <summary>Gets the S7 address (e.g., DB1.DBD0).</summary>
         public string? Address { get; init; }
+        /// <summary>Gets the data type name.</summary>
         public string? DataType { get; init; }
+        /// <summary>Gets a value indicating whether the tag is writable.</summary>
         public bool? Writable { get; init; }
+        /// <summary>Gets the string length for string types.</summary>
         public int? StringLength { get; init; }
+        /// <summary>Gets a value indicating whether write is idempotent.</summary>
         public bool? WriteIdempotent { get; init; }
     }
 
+    /// <summary>Data transfer object for S7 probe configuration.</summary>
     internal sealed class S7ProbeDto
     {
+        /// <summary>Gets a value indicating whether probing is enabled.</summary>
         public bool? Enabled { get; init; }
+        /// <summary>Gets the probe interval in milliseconds.</summary>
         public int? IntervalMs { get; init; }
+        /// <summary>Gets the probe timeout in milliseconds.</summary>
         public int? TimeoutMs { get; init; }
         // Driver.S7-012: ProbeAddress removed from the configurable surface — the probe uses
         // ReadStatusAsync (CPU status), not a tag-address read. Config documents that previously