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.Galaxy.Tests/Runtime/ReconnectSupervisorTests.cs

@@ -17,6 +17,7 @@ public sealed class ReconnectSupervisorTests
         new(InitialBackoffOverride: TimeSpan.FromMilliseconds(5),
             MaxBackoffOverride: TimeSpan.FromMilliseconds(20));
 
+    /// <summary>Verifies that the supervisor starts in a healthy state with no errors.</summary>
     [Fact]
     public void InitialState_IsHealthy()
     {
@@ -26,6 +27,7 @@ public sealed class ReconnectSupervisorTests
         sup.LastError.ShouldBeNull();
     }
 
+    /// <summary>Verifies that reporting a transport failure drives the supervisor through reopen and replay cycles back to healthy.</summary>
     [Fact]
     public async Task ReportTransportFailure_DrivesThroughReopenReplay_BackToHealthy()
     {
@@ -54,6 +56,7 @@ public sealed class ReconnectSupervisorTests
         sup.IsDegraded.ShouldBeFalse();
     }
 
+    /// <summary>Verifies that reopen failures trigger retries and the supervisor stays in reopening state between attempts.</summary>
     [Fact]
     public async Task ReopenFailure_RetriesUntilSuccess_StaysInReopeningBetweenAttempts()
     {
@@ -71,6 +74,7 @@ public sealed class ReconnectSupervisorTests
         sup.LastError.ShouldBeNull(); // cleared on Healthy transition
     }
 
+    /// <summary>Verifies that replay failures trigger a retry of the entire reopen-replay cycle.</summary>
     [Fact]
     public async Task ReplayFailure_RetriesEntireCycle()
     {
@@ -90,6 +94,7 @@ public sealed class ReconnectSupervisorTests
         sup.CurrentState.ShouldBe(ReconnectSupervisor.State.Healthy);
     }
 
+    /// <summary>Verifies that repeated failure reports during recovery do not spawn parallel recovery loops.</summary>
     [Fact]
     public async Task RepeatedFailureReports_DuringRecovery_DoNotSpawnParallelLoops()
     {
@@ -116,6 +121,7 @@ public sealed class ReconnectSupervisorTests
         attempts.ShouldBe(1);
     }
 
+    /// <summary>Verifies that the last error reflects the most recent failure cause from recovery attempts.</summary>
     [Fact]
     public async Task LastError_ReflectsMostRecentFailureCause()
     {
@@ -134,6 +140,7 @@ public sealed class ReconnectSupervisorTests
         sup.LastError.ShouldContain("reopen broke"); // updates from the loop's failed reopen attempts
     }
 
+    /// <summary>Verifies that disposing the supervisor cancels a running recovery loop cleanly.</summary>
     [Fact]
     public async Task Dispose_CancelsRunningRecoveryLoop_Cleanly()
     {
@@ -153,6 +160,7 @@ public sealed class ReconnectSupervisorTests
         cancelled.ShouldBeTrue();
     }
 
+    /// <summary>Verifies that reporting a transport failure after dispose throws ObjectDisposedException.</summary>
     [Fact]
     public void ReportTransportFailure_AfterDispose_Throws()
     {
@@ -161,6 +169,7 @@ public sealed class ReconnectSupervisorTests
         Should.Throw<ObjectDisposedException>(() => sup.ReportTransportFailure(new IOException("x")));
     }
 
+    /// <summary>Verifies that waiting for healthy state returns immediately when already healthy.</summary>
     [Fact]
     public async Task WaitForHealthy_ReturnsImmediately_WhenAlreadyHealthy()
     {