refac

Co-Authored-By: Classic298 <27028174+Classic298@users.noreply.github.com>

backend/open_webui/env.py

@@ -376,6 +376,11 @@ REDIS_CLUSTER = os.getenv('REDIS_CLUSTER', 'False').lower() == 'true'
 
 REDIS_KEY_PREFIX = os.getenv('REDIS_KEY_PREFIX', 'open-webui')
 
+try:
+    REDIS_RESPONSE_STREAM_TTL = int(os.getenv('REDIS_RESPONSE_STREAM_TTL', '3600'))
+except ValueError:
+    REDIS_RESPONSE_STREAM_TTL = 3600
+
 REDIS_SENTINEL_HOSTS = os.getenv('REDIS_SENTINEL_HOSTS', '')
 REDIS_SENTINEL_PORT = os.getenv('REDIS_SENTINEL_PORT', '26379')