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/Client/ZB.MOM.WW.OtOpcUa.Client.CLI.Tests/CommandRangeValidationTests.cs

@@ -12,6 +12,7 @@ namespace ZB.MOM.WW.OtOpcUa.Client.CLI.Tests;
 /// </summary>
 public class CommandRangeValidationTests
 {
+    /// <summary>Verifies that BrowseCommand rejects negative depth values with a command exception.</summary>
     [Fact]
     public async Task BrowseCommand_NegativeDepth_ThrowsCommandException()
     {
@@ -28,6 +29,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--depth");
     }
 
+    /// <summary>Verifies that BrowseCommand rejects zero depth values with a command exception.</summary>
     [Fact]
     public async Task BrowseCommand_ZeroDepth_ThrowsCommandException()
     {
@@ -44,6 +46,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--depth");
     }
 
+    /// <summary>Verifies that SubscribeCommand rejects zero interval values with a command exception.</summary>
     [Fact]
     public async Task SubscribeCommand_ZeroInterval_ThrowsCommandException()
     {
@@ -61,6 +64,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--interval");
     }
 
+    /// <summary>Verifies that SubscribeCommand rejects negative interval values with a command exception.</summary>
     [Fact]
     public async Task SubscribeCommand_NegativeInterval_ThrowsCommandException()
     {
@@ -77,6 +81,7 @@ public class CommandRangeValidationTests
         await Should.ThrowAsync<CommandException>(async () => await command.ExecuteAsync(console));
     }
 
+    /// <summary>Verifies that SubscribeCommand in recursive mode rejects zero max depth with a command exception.</summary>
     [Fact]
     public async Task SubscribeCommand_RecursiveZeroMaxDepth_ThrowsCommandException()
     {
@@ -96,6 +101,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--max-depth");
     }
 
+    /// <summary>Verifies that SubscribeCommand rejects negative duration values with a command exception.</summary>
     [Fact]
     public async Task SubscribeCommand_NegativeDuration_ThrowsCommandException()
     {
@@ -112,6 +118,7 @@ public class CommandRangeValidationTests
         await Should.ThrowAsync<CommandException>(async () => await command.ExecuteAsync(console));
     }
 
+    /// <summary>Verifies that AlarmsCommand rejects zero interval values with a command exception.</summary>
     [Fact]
     public async Task AlarmsCommand_ZeroInterval_ThrowsCommandException()
     {
@@ -128,6 +135,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--interval");
     }
 
+    /// <summary>Verifies that HistoryReadCommand rejects negative max values with a command exception.</summary>
     [Fact]
     public async Task HistoryReadCommand_NegativeMax_ThrowsCommandException()
     {
@@ -145,6 +153,7 @@ public class CommandRangeValidationTests
         ex.Message.ShouldContain("--max");
     }
 
+    /// <summary>Verifies that HistoryReadCommand rejects zero interval values with a command exception.</summary>
     [Fact]
     public async Task HistoryReadCommand_ZeroInterval_ThrowsCommandException()
     {