feat: provision private Hermes assistants for authenticated Hope accounts

nginx.conf

@@ -5,8 +5,23 @@ server {
     ssl_certificate /etc/voice/certs/cert.pem;
     ssl_certificate_key /etc/voice/certs/key.pem;
 
-    location /token {
+    client_max_body_size 16k;
+
+    location = /token {
         proxy_pass http://127.0.0.1:8091/token;
+        proxy_set_header Host $host;
+    }
+
+    # The private control/provisioning endpoints are never proxied.
+    location /api/ {
+        proxy_pass http://127.0.0.1:8092/api/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_read_timeout 30s;
+    }
+
+    location /internal/ {
+        return 404;
     }
 
     location = /livekit {