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.

tests/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.Cli.Tests/BuildOptionsTests.cs

@@ -27,9 +27,16 @@ public sealed class BuildOptionsTests
     [Command("test-build-options")]
     private sealed class TestCommand : AbLegacyCommandBase
     {
+        /// <summary>Builds driver options from the command's configuration and the provided tags.</summary>
+        /// <param name="tags">The tag definitions to include in the options.</param>
+        /// <returns>Configured driver options.</returns>
         public AbLegacyDriverOptions Build(IReadOnlyList<AbLegacyTagDefinition> tags)
             => BuildOptions(tags);
 
+        /// <summary>Not used; this test command is for BuildOptions inspection only.</summary>
+        /// <param name="console">Not used.</param>
+        /// <returns>Not used.</returns>
+        /// <exception cref="NotSupportedException">Always thrown; this method should not be called.</exception>
         public override System.Threading.Tasks.ValueTask ExecuteAsync(IConsole console)
             => throw new NotSupportedException("TestCommand is for BuildOptions inspection only.");
     }
@@ -50,6 +57,7 @@ public sealed class BuildOptionsTests
             Writable: true),
     ];
 
+    /// <summary>Verifies that probe is disabled for CLI one-shot runs.</summary>
     [Fact]
     public void BuildOptions_disables_probe_for_cli_oneshot_runs()
     {
@@ -67,6 +75,7 @@ public sealed class BuildOptionsTests
             "CLI commands are one-shot; the background probe loop is unwanted overhead.");
     }
 
+    /// <summary>Verifies that device is populated from gateway and plc-type options.</summary>
     [Fact]
     public void BuildOptions_populates_single_device_from_gateway_and_plc_type()
     {
@@ -85,6 +94,7 @@ public sealed class BuildOptionsTests
         options.Devices[0].DeviceName.ShouldBe("cli-MicroLogix");
     }
 
+    /// <summary>Verifies that tag list is forwarded verbatim to the options.</summary>
     [Fact]
     public void BuildOptions_forwards_tag_list_verbatim()
     {
@@ -100,6 +110,7 @@ public sealed class BuildOptionsTests
         options.Tags.ShouldBe(SampleTags);
     }
 
+    /// <summary>Verifies that timeout-ms option is propagated to the driver options.</summary>
     [Fact]
     public void BuildOptions_propagates_timeout_ms()
     {
@@ -115,6 +126,7 @@ public sealed class BuildOptionsTests
         options.Timeout.ShouldBe(TimeSpan.FromMilliseconds(7500));
     }
 
+    /// <summary>Verifies that empty tag list yields an empty tags collection in options.</summary>
     [Fact]
     public void BuildOptions_with_empty_tag_list_yields_empty_tags_collection()
     {