fixed findings from review

nginx/Caddyfile

@@ -8,14 +8,13 @@ localhost {
         reverse_proxy session-manager:8000
     }
 
-    # Session-specific routing - dynamically route to containers
+    # Session-specific routing - proxy to session manager for dynamic routing
     handle /session/{session_id}* {
+        # Strip the session prefix and pass to session manager
         uri strip_prefix /session/{session_id}
-        # This will be handled by dynamic routing in the session manager
-        reverse_proxy session-manager:8000 {
-            # The session manager will return the actual container port
-            # This is a simplified version for development
-        }
+        # Add session ID as header for routing
+        header X-Session-ID {session_id}
+        reverse_proxy session-manager:8000
     }
 
     # Static files and main interface