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.TwinCAT.Cli.Tests/TwinCATCommandBaseTests.cs

@@ -15,6 +15,7 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.TwinCAT.Cli.Tests;
 [Trait("Category", "Unit")]
 public sealed class TwinCATCommandBaseTests
 {
+    /// <summary>Verifies that the gateway string uses canonical ADS scheme with port.</summary>
     [Fact]
     public void Gateway_uses_canonical_ads_scheme_with_port()
     {
@@ -27,6 +28,7 @@ public sealed class TwinCATCommandBaseTests
         cmd.GatewayForTest.ShouldBe("ads://192.168.1.40.1.1:851");
     }
 
+    /// <summary>Verifies that the gateway string round-trips through TwinCATAmsAddress.TryParse.</summary>
     [Fact]
     public void Gateway_round_trips_through_TwinCATAmsAddress_TryParse()
     {
@@ -45,6 +47,7 @@ public sealed class TwinCATCommandBaseTests
         parsed.Port.ShouldBe(852);
     }
 
+    /// <summary>Verifies that the driver instance ID includes the AMS target.</summary>
     [Fact]
     public void DriverInstanceId_includes_ams_target()
     {
@@ -57,6 +60,7 @@ public sealed class TwinCATCommandBaseTests
         cmd.DriverInstanceIdForTest.ShouldBe("twincat-cli-127.0.0.1.1.1:851");
     }
 
+    /// <summary>Verifies that timeout is a projection of TimeoutMs and initialization is a no-op.</summary>
     [Fact]
     public void Timeout_is_projection_of_TimeoutMs_and_init_is_noop()
     {
@@ -69,6 +73,7 @@ public sealed class TwinCATCommandBaseTests
         cmd.Timeout.ShouldBe(TimeSpan.FromMilliseconds(7777));
     }
 
+    /// <summary>Verifies that BuildOptions wires device tags, timeout, and disables probe.</summary>
     [Fact]
     public void BuildOptions_wires_device_tags_timeout_and_disables_probe()
     {
@@ -102,6 +107,7 @@ public sealed class TwinCATCommandBaseTests
         options.UseNativeNotifications.ShouldBeTrue();
     }
 
+    /// <summary>Verifies that the PollOnly flag flips UseNativeNotifications off.</summary>
     [Fact]
     public void BuildOptions_PollOnly_flips_UseNativeNotifications_off()
     {
@@ -116,6 +122,7 @@ public sealed class TwinCATCommandBaseTests
 
     // ---- Driver.TwinCAT.Cli-001 (range validation) ----
 
+    /// <summary>Verifies that validation rejects zero timeout.</summary>
     [Fact]
     public void Validate_rejects_zero_timeout()
     {
@@ -129,6 +136,7 @@ public sealed class TwinCATCommandBaseTests
         ex.Message.ShouldContain("--timeout-ms");
     }
 
+    /// <summary>Verifies that validation rejects negative timeout.</summary>
     [Fact]
     public void Validate_rejects_negative_timeout()
     {
@@ -141,6 +149,8 @@ public sealed class TwinCATCommandBaseTests
         Should.Throw<CliFx.Exceptions.CommandException>(() => cmd.ValidateForTest());
     }
 
+    /// <summary>Verifies that validation rejects out-of-range AMS port values.</summary>
+    /// <param name="port">The out-of-range AMS port value to test.</param>
     [Theory]
     [InlineData(0)]
     [InlineData(-1)]
@@ -158,6 +168,8 @@ public sealed class TwinCATCommandBaseTests
         ex.Message.ShouldContain("--ams-port");
     }
 
+    /// <summary>Verifies that validation accepts in-range AMS port values.</summary>
+    /// <param name="port">The valid AMS port value to test.</param>
     [Theory]
     [InlineData(1)]
     [InlineData(801)]
@@ -174,6 +186,7 @@ public sealed class TwinCATCommandBaseTests
         Should.NotThrow(() => cmd.ValidateForTest());
     }
 
+    /// <summary>Verifies that SubscribeCommand validation rejects zero interval.</summary>
     [Fact]
     public void SubscribeCommand_validate_rejects_zero_interval()
     {
@@ -187,6 +200,7 @@ public sealed class TwinCATCommandBaseTests
         ex.Message.ShouldContain("--interval-ms");
     }
 
+    /// <summary>Verifies that SubscribeCommand validation rejects negative interval.</summary>
     [Fact]
     public void SubscribeCommand_validate_rejects_negative_interval()
     {
@@ -201,6 +215,7 @@ public sealed class TwinCATCommandBaseTests
 
     // ---- Driver.TwinCAT.Cli-004 (PollOnly off BrowseCommand surface) ----
 
+    /// <summary>Verifies that BrowseCommand does not expose the poll-only flag.</summary>
     [Fact]
     public void BrowseCommand_does_not_expose_poll_only_flag()
     {
@@ -212,6 +227,7 @@ public sealed class TwinCATCommandBaseTests
         props.ShouldNotContain(p => p.Name == "PollOnly");
     }
 
+    /// <summary>Verifies that ProbeCommand still exposes the poll-only flag.</summary>
     [Fact]
     public void ProbeCommand_still_exposes_poll_only_flag()
     {
@@ -224,6 +240,7 @@ public sealed class TwinCATCommandBaseTests
 
     // ---- Driver.TwinCAT.Cli-005 (probe --type short alias) ----
 
+    /// <summary>Verifies that ProbeCommand type option carries the short alias 't'.</summary>
     [Fact]
     public void ProbeCommand_type_option_carries_short_alias_t()
     {