class MemPalaceMemory:
    """Sistema di memoria persistente con 4 livelli."""

    MEMPALACE_ROOMS = {
        "successful_strategies": {"wing": "project", "type": "experience"},
        "error_patterns":       {"wing": "project", "type": "experience"},
        "consolidated_insights": {"wing": "global",  "type": "insight"},
        "user_preferences":    {"wing": "user",    "type": "preference"},
    }

    def recall_room(self, room: str, limit: int = 10):
        """Recupera elementi da una room specifica."""
        return self._query(
            room=room,
            limit=limit,
            sort_by="timestamp"
        )

    def _add_drawer(self, text: str, room: str, metadata: dict):
        """Aggiunge un elemento a una room."""
        self._store(
            text=text,
            room=room,
            metadata=metadata
        )