From 00fc3e2c2989ce5fddf634b9f00573b72789cf96 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Tue, 22 Apr 2025 14:22:31 -0400
Subject: [PATCH] ESPHome Assist Satellite share TTS url in RUN_START (#143460)

---
 .../components/esphome/assist_satellite.py      |  6 ++++++
 .../components/esphome/test_assist_satellite.py | 17 +++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/homeassistant/components/esphome/assist_satellite.py b/homeassistant/components/esphome/assist_satellite.py
index cf1e299a6f0..9b5d4e74c70 100644
--- a/homeassistant/components/esphome/assist_satellite.py
+++ b/homeassistant/components/esphome/assist_satellite.py
@@ -336,6 +336,12 @@ class EsphomeAssistSatellite(
                 "code": event.data["code"],
                 "message": event.data["message"],
             }
+        elif event_type == VoiceAssistantEventType.VOICE_ASSISTANT_RUN_START:
+            assert event.data is not None
+            if tts_output := event.data["tts_output"]:
+                path = tts_output["url"]
+                url = async_process_play_media_url(self.hass, path)
+                data_to_send = {"url": url}
         elif event_type == VoiceAssistantEventType.VOICE_ASSISTANT_RUN_END:
             if self._tts_streaming_task is None:
                 # No TTS
diff --git a/tests/components/esphome/test_assist_satellite.py b/tests/components/esphome/test_assist_satellite.py
index 3f6db1dd9c9..c072e5fda4a 100644
--- a/tests/components/esphome/test_assist_satellite.py
+++ b/tests/components/esphome/test_assist_satellite.py
@@ -345,6 +345,23 @@ async def test_pipeline_api_audio(
             {"url": get_url(hass) + mock_tts_result_stream.url},
         )
 
+        event_callback(
+            PipelineEvent(
+                type=PipelineEventType.RUN_START,
+                data={
+                    "tts_output": {
+                        "media_id": "test-media-id",
+                        "url": mock_tts_result_stream.url,
+                        "token": mock_tts_result_stream.token,
+                    }
+                },
+            )
+        )
+        assert mock_client.send_voice_assistant_event.call_args_list[-1].args == (
+            VoiceAssistantEventType.VOICE_ASSISTANT_RUN_START,
+            {"url": get_url(hass) + mock_tts_result_stream.url},
+        )
+
         event_callback(PipelineEvent(type=PipelineEventType.RUN_END))
         assert mock_client.send_voice_assistant_event.call_args_list[-1].args == (
             VoiceAssistantEventType.VOICE_ASSISTANT_RUN_END,