diff --git a/app/services/document_indexer.py b/app/services/document_indexer.py
index cc9d596..595ec19 100644
--- a/app/services/document_indexer.py
+++ b/app/services/document_indexer.py
@@ -48,7 +48,8 @@ class DocumentIndexer:
         # Supported document categories
         self.categories = {
             "rz-nullfeld": "docs_rz_nullfeld",
-            "crumbforest": "docs_crumbforest"
+            "crumbforest": "docs_crumbforest",
+            "crumbcodex": "docs_crumbcodex"
         }
 
     def get_file_hash(self, file_path: Path) -> str:
diff --git a/native_crumbcore_v1/nginx/crumbforest-locations.conf b/native_crumbcore_v1/nginx/crumbforest-locations.conf
index 4731d9a..7f0d114 100644
--- a/native_crumbcore_v1/nginx/crumbforest-locations.conf
+++ b/native_crumbcore_v1/nginx/crumbforest-locations.conf
@@ -28,9 +28,7 @@ location /api/chat {
     proxy_pass http://crumbforest_backend;
     proxy_http_version 1.1;
     
-    # WebSocket headers
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection "upgrade";
+    # Standard Proxy Headers
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;