diff --git a/services/api-gateway/app/models/whatsapp.py b/services/api-gateway/app/models/whatsapp.py
index 86274bc..c4f7bcd 100644
--- a/services/api-gateway/app/models/whatsapp.py
+++ b/services/api-gateway/app/models/whatsapp.py
@@ -86,10 +86,18 @@ class Conversation(Base):
     status = Column(SQLEnum(ConversationStatus), default=ConversationStatus.BOT, nullable=False)
     last_message_at = Column(DateTime, nullable=True)
     created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    queue_id = Column(UUID(as_uuid=True), ForeignKey("queues.id"), nullable=True)
+    priority = Column(String(20), default="normal", nullable=False)
+    sla_first_response_at = Column(DateTime, nullable=True)
+    sla_first_response_met = Column(Boolean, nullable=True)
+    resolved_at = Column(DateTime, nullable=True)
+    csat_score = Column(Integer, nullable=True)
+    csat_feedback = Column(String(500), nullable=True)
 
     whatsapp_account = relationship("WhatsAppAccount", back_populates="conversations")
     contact = relationship("Contact", back_populates="conversations")
     messages = relationship("Message", back_populates="conversation", order_by="Message.created_at")
+    queue = relationship("Queue", back_populates="conversations")
 
 
 class Message(Base):