Fix cloud connected signal only firing once (#92009)

homeassistant/components/cloud/__init__.py

@@ -272,8 +272,8 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
         if subscription_info := await async_subscription_info(cloud):
             async_manage_legacy_subscription_issue(hass, subscription_info)
 
-    async def _on_connect():
-        """Discover RemoteUI binary sensor."""
+    async def _discover_platforms():
+        """Discover platforms."""
         nonlocal loaded
 
         # Prevent multiple discovery
@@ -285,6 +285,10 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
         await async_load_platform(hass, Platform.STT, DOMAIN, {}, config)
         await async_load_platform(hass, Platform.TTS, DOMAIN, {}, config)
 
+    async def _on_connect():
+        """Handle cloud connect."""
+        await _discover_platforms()
+
         async_dispatcher_send(
             hass, SIGNAL_CLOUD_CONNECTION_STATE, CloudConnectionState.CLOUD_CONNECTED
         )

tests/components/cloud/test_init.py

@@ -160,7 +160,7 @@ async def test_on_connect(hass: HomeAssistant, mock_cloud_fixture) -> None:
 
     assert len(mock_load.mock_calls) == 0
 
-    assert len(cloud_states) == 1
+    assert len(cloud_states) == 2
     assert cloud_states[-1] == cloud.CloudConnectionState.CLOUD_CONNECTED
 
     assert len(cl.iot._on_disconnect) == 2
@@ -168,7 +168,7 @@ async def test_on_connect(hass: HomeAssistant, mock_cloud_fixture) -> None:
     await cl.iot._on_disconnect[-1]()
     await hass.async_block_till_done()
 
-    assert len(cloud_states) == 2
+    assert len(cloud_states) == 3
     assert cloud_states[-1] == cloud.CloudConnectionState.CLOUD_DISCONNECTED