diff --git a/tests/test_intents_registration.py b/tests/test_intents_registration.py
index ad593ac..be310ad 100644
--- a/tests/test_intents_registration.py
+++ b/tests/test_intents_registration.py
@@ -1044,6 +1044,38 @@ class TestTheButtons:
             modules.media.intent_am_start_command(intent, {"id": "7"})
         ]
 
+    async def test_an_uninstalled_app_fails_the_press_honestly(self, modules):
+        """The plan's acceptance: a package that is gone must not press silently.
+
+        The device is the authority here — its own sentence is what the error
+        carries, so the user learns WHICH component vanished instead of seeing a
+        button that did nothing.
+        """
+        import homeassistant.exceptions as ha_exceptions
+
+        intent = {
+            **NETFLIX_INTENT,
+            "fields": [{"key": "id", "type": "string", "default": "7"}],
+        }
+        entry, added = await self._setup(
+            modules, {CONF_REGISTERED_INTENTS: [intent]}
+        )
+        poller = _RecordingPoller(
+            "Starting: Intent { act=android.intent.action.VIEW }\n"
+            "Error: Activity class {com.netflix.ninja/.MainActivity} does not exist."
+        )
+        entry.runtime_data = _manager(poller)
+        added[0]._manager = _manager(poller)
+        added[0].entity_id = "button.shield_netflix_open_a_title"
+
+        with pytest.raises(ha_exceptions.ServiceValidationError) as caught:
+            await added[0].async_press()
+
+        assert caught.value.translation_key == "intent_failed"
+        assert "does not exist" in str(caught.value)
+        assert "com.netflix.ninja/.MainActivity" in str(caught.value)
+        assert len(poller.commands) == 1, "attempted once, never retried"
+
     async def test_a_button_with_no_manager_fails_loudly(self, modules):
         """A press that cannot reach the Shield RAISES — it never no-ops.