Exclude the Cursor telemetry spawn test from the whole assembly

test/Capacitor.Cli.Tests.Unit/Commands/Harness/CursorHookCommandTests.cs

@@ -144,7 +144,9 @@ public async Task spool_drain_runs_before_current_event_under_budget() {
     // is still stuck undelivered. Simulates: sessionStart is already spooled from a prior failed
     // invocation; this invocation's top-of-method drain retries it and hits a transient failure
     // (503) so it stays queued, while postToolUse's own POST succeeds.
-    [Test]
+    // Bare NotInParallel: the spawn override is process-wide, so any concurrent peer's spawn lands
+    // in this list. The class key is not enough — its cohort excludes only the env-override readers.
+    [Test, NotInParallel]
     public async Task telemetry_hook_does_not_recovery_spawn_while_an_earlier_canonical_event_is_still_stuck() {
         var sid = Guid.NewGuid().ToString("N");
         var spool = new HookSpool(Config.PathTo("spool"));

test/Capacitor.Cli.Tests.Unit/Commands/UnusableUrlGuardTests.cs

@@ -13,6 +13,10 @@ namespace Capacitor.Cli.Tests.Unit.Commands;
 /// catch-all every one of these paths already has, so an effect-only assertion passes with the guard
 /// deleted; six review rounds found exactly that, repeatedly.</para>
 /// </summary>
+// The two spawn guards below install WatcherManager.ProcessStarterForTesting and Dispose nulls it,
+// both process-global: a concurrent peer's spawn lands in this class's counter, and its own override
+// is cleared under it. Bare, as every other writer of that seam already carries.
+[NotInParallel]
 public class UnusableUrlGuardTests : IDisposable {
     [TempHome] public required TempHome Home { get; init; }