docs(tests): fix CommentChecker findings across tests/ — 13,392 → 0 (repo-wide scan clean)

Comment/XML-doc changes only:
- add summaries to ~10k test methods, fixtures, fakes and helpers
  (+ <param> on theories, <returns> on async Task methods,
  <inheritdoc/> on interface implementations the checker can resolve)
- strip ~2.6k project-tracking references (WP*, P*-*, row-NN, Task N,
  #NN, Component-0NN) from comments, keeping the explanatory text;
  reword false positives in comments only
- real docs on fakes implementing BCL/library interfaces
  (IDisposable, ILogger, IOptionsMonitor, IAsyncLifetime)
- reword the last 5 src/ false positives (CWE-1236, failures-1,
  year-0001, M365)

Only non-comment edits: four one-line nested classes split across lines
so members can carry docs. Build 0 errors / 0 warnings.

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Deployment/DebugViewStreamRaceTests.cs

@@ -18,7 +18,7 @@ using DebugViewPage = ZB.MOM.WW.ScadaBridge.CentralUI.Components.Pages.Deploymen
 namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Deployment;
 
 /// <summary>
-/// Regression tests for CentralUI-021. The <c>DebugView</c> stream callback runs
+/// Regression tests for the DebugView stream race. The <c>DebugView</c> stream callback runs
 /// on an Akka/gRPC thread; it used to call <c>UpsertWithCap</c> directly on that
 /// thread, mutating the <c>_attributeValues</c>/<c>_alarmStates</c>
 /// <see cref="Dictionary{TKey,TValue}"/> while the render thread enumerated the
@@ -67,7 +67,10 @@ public class DebugViewStreamRaceTests : BunitContext
     private sealed class StubAuthStateProvider : AuthenticationStateProvider
     {
         private readonly AuthenticationState _state;
+        /// <summary>Initializes a new instance of the <c>StubAuthStateProvider</c> class.</summary>
+        /// <param name="state">The authentication state the provider returns.</param>
         public StubAuthStateProvider(AuthenticationState state) => _state = state;
+        /// <inheritdoc />
         public override Task<AuthenticationState> GetAuthenticationStateAsync()
             => Task.FromResult(_state);
     }
@@ -83,6 +86,7 @@ public class DebugViewStreamRaceTests : BunitContext
         typeof(DebugViewPage).GetProperty("FilteredAttributeValues",
             BindingFlags.Instance | BindingFlags.NonPublic)!.GetValue(c)!;
 
+    /// <summary>Verifies that a stream event is applied once the dispatcher runs its queued work.</summary>
     [Fact]
     public void HandleStreamEvent_AppliesUpdate_OnceDispatcherRuns()
     {
@@ -98,10 +102,12 @@ public class DebugViewStreamRaceTests : BunitContext
         Assert.True(dict.Contains("Pump.Speed"));
     }
 
+    /// <summary>Verifies that stream events raised from background threads do not fault concurrent dispatcher reads.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task HandleStreamEvent_OffThreadEvents_DoNotFaultDispatcherReads()
     {
-        // CentralUI-021 reproduction. Writers fire stream events from background
+        // Stream race reproduction. Writers fire stream events from background
         // threads (the Akka/gRPC callback threads). The reader enumerates
         // FilteredAttributeValues *through the renderer's dispatcher* — exactly
         // as the real render thread does. Pre-fix the writers mutated the