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/Admin/ApiKeysListPageTests.cs

@@ -19,6 +19,7 @@ public class ApiKeysListPageTests : BunitContext
 {
     private readonly IInboundApiKeyAdmin _admin = Substitute.For<IInboundApiKeyAdmin>();
 
+    /// <summary>Initializes the test context and registers the fake API key seam.</summary>
     public ApiKeysListPageTests()
     {
         Services.AddSingleton(_admin);
@@ -40,6 +41,7 @@ public class ApiKeysListPageTests : BunitContext
         string keyId, string name, bool enabled, params string[] methods) =>
         new(keyId, name, enabled, methods, DateTimeOffset.UnixEpoch, null);
 
+    /// <summary>Verifies that the list renders the keys from the seam and shows no key hash column.</summary>
     [Fact]
     public void List_RendersKeysFromSeam_WithNoKeyHashColumn()
     {
@@ -76,6 +78,8 @@ public class ApiKeysListPageTests : BunitContext
         });
     }
 
+    /// <summary>Verifies that toggling a key calls SetEnabled on the seam.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task ToggleKey_CallsSetEnabledOnSeam()
     {