feat(media_player): app_id/app_name prefer the androidtv entity, fall back to the protocol current_app push when absent/unavailable; manifest androidtvremote2 floor aligned to >=0.2.0 (P3-1b,c)

tests/test_command_routing.py

@@ -342,6 +342,44 @@ class TestRemoteEntity:
         assert protocol.key_calls == []
 
 
+class TestAppFallback:
+    async def test_app_id_prefers_the_androidtv_entity(self, modules):
+        player, _s, _i = make_player(modules)
+        player._androidtv_entity = "media_player.atv"
+        from types import SimpleNamespace as FakeState
+
+        state = FakeState(attributes={"app_id": "com.plex.hdx", "app_name": "Plex"})
+        states = FakeState(states=FakeState(
+            get=lambda eid: state if eid == "media_player.atv" else None
+        ))
+        player.hass = states
+        player._read = lambda eid: state if eid == "media_player.atv" else None
+
+        assert player.app_id == "com.plex.hdx"
+        assert player.app_name == "Plex"
+
+    async def test_app_falls_back_to_protocol_current_app(self, modules):
+        player, _s, _i = make_player(modules)
+        player._androidtv_entity = ""  # standalone setup (P3-1)
+        player._manager._on_current_app("com.netflix.ninja")
+        await asyncio.sleep(0.05)  # drain the call_soon_threadsafe push
+
+        assert player.app_id == "com.netflix.ninja"
+        assert player.app_name == "com.netflix.ninja"  # package is truth; map later
+
+    async def test_app_unavailable_entity_falls_back(self, modules):
+        player, _s, _i = make_player(modules)
+        player._androidtv_entity = "media_player.atv"
+        from types import SimpleNamespace as FakeState
+
+        player.hass = FakeState(states=FakeState(get=lambda eid: None))  # entity gone
+        player._read = lambda eid: None
+        player._manager._on_current_app("com.google.android.youtube.tv")
+        await asyncio.sleep(0.05)
+
+        assert player.app_id == "com.google.android.youtube.tv"
+
+
 class TestVolumeAndPowerLadder:
     async def test_volume_readout_from_protocol_push(self, modules):
         player, served, _intents = make_player(modules)