Add text-to-dialogue, self-restart capability, and misc updates

bolt_pet/ui/app.py

@@ -80,6 +80,7 @@ def run() -> int:
         on_set_nap=_set_nap,
         on_show_history=history_window.show_refreshed,
         on_show_wake_tuner=tuner_window.show_refreshed,
+        on_reset_voice=controller.reset_voice,
     )
 
     def _handle_napping(napping: bool) -> None:
@@ -87,6 +88,9 @@ def run() -> int:
         tray.set_napping(napping)
 
     controller.napping.connect(_handle_napping)
+    # The server can hand Bolt a different voice mid-conversation (speak_as);
+    # the tray is where you get his own back.
+    controller.voice_changed.connect(tray.set_voice)
 
     # Push-to-talk: a global hook, because the pet window never has focus.
     # request_talk_now() only sets a threading.Event, so it's safe to call