Add dummy TTS speaker

supersensor.yaml

@@ -379,6 +379,16 @@ microphone:
     pdm: false
     channel: left
 
+# DUMMY: The SuperSensor has no speaker attached.
+# This is needed to work around home-assistant/core#142363 and the inability
+# of an Assist pipeline to work properly with no STT configured (issue unknown)
+# So instead we just have a speaker to nowhere. Stupid but should work.
+media_player:
+  - platform: speaker
+    id: dummy_mp
+    name: "Dummy Speaker"
+# END DUMMY
+
 micro_wake_word:
   id: mww
   microphone:
@@ -410,6 +420,7 @@ micro_wake_word:
 voice_assistant:
   id: va
   microphone: mic
+  media_player: dummy_mp
   micro_wake_word: mww
   use_wake_word: false
   noise_suppression_level: 3