feat(prompts,agents,voice): the voice agent gets the beaver voice, its own environment and overlay

beaver_agent/voice/__init__.py

@@ -1,14 +1,13 @@
 """Голосовые точки по квартире: своя ветка, свой дешёвый агент, свои ключи."""
 
 from beaver_agent.voice.frontend import VoiceFrontend
-from beaver_agent.voice.texts import KEY, PROMPT, TITLE
+from beaver_agent.voice.texts import KEY, TITLE
 from beaver_agent.voice.thread import AGENT, FRONTEND, current, open_thread, rotate
 
 __all__ = [
     "AGENT",
     "FRONTEND",
     "KEY",
-    "PROMPT",
     "TITLE",
     "VoiceFrontend",
     "current",