add lobotomize command

vibe_bot/main.py

@@ -328,6 +328,15 @@ async def on_message(message: Message) -> None:
     await bot.process_commands(message)
 
 
+@bot.command(name="lobotomize")
+async def lobotomize(ctx: CommandsContext[Bot]) -> None:
+    """Clear all conversation history and memory for all bots."""
+    logger.info("Lobotomize command triggered by %s", ctx.author.name)
+    db = get_database()
+    db.clear_all_messages()
+    await ctx.send("All conversation history and memory has been cleared. 🧠✨")
+
+
 @bot.command(name="voices")
 async def voices(ctx: CommandsContext[Bot]) -> None:
     """List all available TTS voices organized by category."""