Update requirements.txt

requirements.txt

@@ -12,13 +12,15 @@ accelerate>=0.25.0
 Pillow==11.0.0
 numpy>=1.24.0,<2.0.0
 
-# HTTP requests for OpenRouter API
-requests==2.31.0
-
 # Environment and utilities
 python-dotenv==1.0.0
+
+# Production server
 gunicorn==21.2.0
 
-# Optional but recommended
-redis==5.0.1
-celery==5.3.4
+# Security
+flask-talisman==1.1.0
+flask-limiter==3.5.0
+
+# Monitoring (optional)
+flask-cors==4.0.0