fix: correct Caddyfile syntax for domain-based routing

Caddyfile

@@ -4,24 +4,23 @@
     }
 
     # ask.xn--2dk.xyz - Natural language to SQL TUI
-    ask.xn--2dk.xyz {
-        @websocket {
+    @ask_host {
+        host ask.xn--2dk.xyz
+    }
+    @ask_websocket {
         header Connection *Upgrade*
         header Upgrade websocket
     }
-
-        handle @websocket {
+    handle @ask_host @ask_websocket {
         reverse_proxy localhost:7682 {
             flush_interval -1
         }
     }
-
-        handle {
+    handle @ask_host {
         reverse_proxy localhost:7682 {
             flush_interval -1
         }
     }
-    }
 
     # db.xn--2dk.xyz - DuckDB SQL shell
     handle /login {