fix(traefik): add WebSocket middleware for Hermes dashboard Chat tab

- Add websocket-headers middleware to jarvis router
- Set Connection: Upgrade and Upgrade: websocket headers
- Fixes 'Chat unavailable:1' WebSocket connection failures through Traefik reverse proxy

boilerplates/traefik/dynamic/jarvis.yml

@@ -14,6 +14,8 @@ http:
       tls:
         certResolver: cloudflare
       service: jarvis
+      middlewares:
+        - websocket-headers
 
     jarvis-api:
       rule: "Host(`jarvis-api.local.mk-labs.cloud`)"
@@ -34,6 +36,13 @@ http:
         servers:
           - url: "http://10.1.71.131:8642"
 
+  middlewares:
+    websocket-headers:
+      headers:
+        customRequestHeaders:
+          Connection: "Upgrade"
+          Upgrade: "websocket"
+
 tcp:
   routers:
     jarvis-ssh: