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/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Tests/AbCipPerDeviceConnectionOptionsTests.cs

@@ -20,6 +20,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
 {
     private const string Device = "ab://10.0.0.5/1,0";
 
+    /// <summary>Verifies that per-device AllowPacking override is forwarded to tag creation parameters.</summary>
     [Fact]
     public async Task Device_AllowPacking_override_is_forwarded_to_tag_create_params()
     {
@@ -38,6 +39,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
         factory.Tags["Speed"].CreationParams.AllowPacking.ShouldBeFalse();
     }
 
+    /// <summary>Verifies that AllowPacking defaults inherit from the family profile when not overridden.</summary>
     [Fact]
     public async Task Device_AllowPacking_default_inherits_from_family_profile()
     {
@@ -58,6 +60,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
         factory.Tags["Speed"].CreationParams.AllowPacking.ShouldBeTrue();
     }
 
+    /// <summary>Verifies that Micro800 devices have AllowPacking defaulting to false from the family profile.</summary>
     [Fact]
     public async Task Micro800_default_AllowPacking_is_false_from_family_profile()
     {
@@ -77,6 +80,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
         factory.Tags["X"].CreationParams.AllowPacking.ShouldBeFalse();
     }
 
+    /// <summary>Verifies that per-device ConnectionSize override is forwarded to tag creation parameters.</summary>
     [Fact]
     public async Task Device_ConnectionSize_override_is_forwarded_to_tag_create_params()
     {
@@ -94,6 +98,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
         factory.Tags["Speed"].CreationParams.ConnectionSize.ShouldBe(504);
     }
 
+    /// <summary>Verifies that ConnectionSize defaults inherit from the family profile when not overridden.</summary>
     [Fact]
     public async Task Device_ConnectionSize_default_inherits_from_family_profile()
     {
@@ -112,6 +117,7 @@ public sealed class AbCipPerDeviceConnectionOptionsTests
         factory.Tags["Speed"].CreationParams.ConnectionSize.ShouldBe(4002);
     }
 
+    /// <summary>Verifies that AllowPacking and ConnectionSize round-trip correctly through JSON parsing.</summary>
     [Fact]
     public void AbCipDriverFactoryExtensions_ParseOptions_round_trips_AllowPacking_and_ConnectionSize()
     {