Suggest configured HTTPS domain for OpenVPN OIDC entry

frontend/src/locales/en-US.json

@@ -229,7 +229,7 @@
     "title": "Feishu / OIDC browser authentication",
     "externalService": "Requires openvpn-auth-oauth2",
     "componentReady": "Authentication component installed v{version}",
-    "authEntryPending": "Management TLS is ready at {domain}; OpenVPN authentication still requires a separate HTTPS hostname and an OIDC issuer.",
+    "authEntryPending": "HTTPS is ready at {domain}; the auth component's public callback route is not yet connected and an OIDC issuer is still needed.",
     "app": "Create app",
     "appShort": "Feishu developer console",
     "identity": "Enter identity settings",
@@ -254,7 +254,8 @@
     "keepSecret": "Leave blank to retain current secret",
     "secretTip": "Encrypted server-side and stored only in the auth service's 0600 configuration file.",
     "baseUrl": "Public sign-in URL",
-    "baseTip": "Use a public HTTPS root URL, not the current HTTP admin address. The auth component handles browser callbacks; its entry site may share the admin server.",
+    "baseTip": "Automatic filling reuses the domain and certificate only. The management site does not yet proxy OAuth2 paths to the auth component. Sign-in needs that Nginx route. Recheck saved tunnel callbacks if the domain changes.",
+    "reuseDomain": "Use current public domain", "linkedDomain": "Using the HTTPS domain from system settings; you can edit it.",
     "listenPort": "Local auth service port",
     "portTip": "Listens only on 127.0.0.1; no public access needed. New tunnels increment from 19090; +/- and manual entry skip configured and locally occupied ports.",
     "portLookupFailed": "Could not find an available port. Retry or enter one manually.",