Improve teh securty of teh DB

gateway/app/main.py

@@ -181,11 +181,30 @@ async def events_stream(request: Request, tenant_id: str):
             pubsub = redis_client.pubsub()
             channel_name = f"alerts:{tenant_id}"
             await pubsub.subscribe(channel_name)
-            
+
             # Send initial connection event
             yield f"event: connection\n"
             yield f"data: {json.dumps({'type': 'connected', 'message': 'SSE connection established', 'timestamp': time.time()})}\n\n"
-            
+
+            # Fetch and send initial active alerts from Redis cache
+            try:
+                cache_key = f"active_alerts:{tenant_id}"
+                cached_alerts = await redis_client.get(cache_key)
+                if cached_alerts:
+                    active_items = json.loads(cached_alerts)
+                    logger.info(f"Sending initial_items to tenant {tenant_id}, count: {len(active_items)}")
+                    yield f"event: initial_items\n"
+                    yield f"data: {json.dumps(active_items)}\n\n"
+                else:
+                    logger.info(f"No cached alerts found for tenant {tenant_id}")
+                    yield f"event: initial_items\n"
+                    yield f"data: {json.dumps([])}\n\n"
+            except Exception as e:
+                logger.error(f"Error fetching initial items for tenant {tenant_id}: {e}")
+                # Still send empty initial_items event
+                yield f"event: initial_items\n"
+                yield f"data: {json.dumps([])}\n\n"
+
             heartbeat_counter = 0
             
             while True: