@@ -196,6 +196,7 @@ extension RunnerTests {
     mainOwned.bundleId = nil
     mainOwned.processIdentifier = nil
     resetTargetBoundState()
+    firstInteractionReadyUptime = nil
   }
 
   /// State that belongs to the currently bound target and must not outlive it: the text-entry tap
@@ -217,6 +218,9 @@ extension RunnerTests {
     mainOwned.bundleId = nil
     mainOwned.processIdentifier = nil
     resetTargetBoundState()
+    // Only the announced relaunch below leaves a deadline behind a dropped binding, which is what
+    // lets a skipped activation keep it. Any other invalidation starts the next activation fresh.
+    firstInteractionReadyUptime = nil
   }
 
   @MainActor
 
@@ -118,6 +118,26 @@ extension RunnerTests {
     }
   }
 
+  @MainActor
+  func testInvalidationForErrorDiscardsTheWindowSoTheNextSkippedActivationStampsFresh() {
+    withStubbedTargetActivation {
+      mainOwned.needsPostSnapshotInteractionDelay = false
+      RunnerTargetActivationSpy.state = .runningForeground
+      mainOwned.app = app
+      mainOwned.bundleId = "com.example.app"
+      firstInteractionReadyUptime = ProcessInfo.processInfo.systemUptime - 1
+
+      invalidateCachedTarget(reason: "target_terminated")
+      _ = activateTarget(bundleId: "com.example.app", reason: "bundle_changed")
+
+      XCTAssertEqual(RunnerTargetActivationSpy.activationCount, 0)
+      XCTAssertGreaterThanOrEqual(
+        measureStabilizationDuration(),
+        firstInteractionAfterActivateDelay * 0.8
+      )
+    }
+  }
+
   @MainActor
   func testSkippedActivationWithoutADeadlineStampsTheWindow() {
     withStubbedTargetActivation {