feat(admin): remember login for 90 days and support REG SSH limits

admin/public/assets/admin.css

@@ -5,3 +5,4 @@
 /* Overview and link builder retain the existing CPanel / Bootstrap surface. */
 .overview-wrapper{margin-top:15px}.overview-table{min-width:760px;table-layout:fixed}.overview-table th:first-child{width:110px}.overview-table th:not(:first-child){min-width:190px}.overview-table th,.overview-table td{vertical-align:top;overflow-wrap:anywhere}.overview-table th:first-child,.overview-table td:first-child{position:sticky;left:0;background:#f5f5f5;z-index:1}.overview-table caption{text-align:left;padding:8px 0}.overview-domain{font-size:15px;margin-bottom:6px}.overview-status{font-size:12px;font-weight:400;margin:8px 0}.overview-weights{list-style:none;padding:0;margin:7px 0 0}.overview-weights li{margin:3px 0}.overview-warning{color:#8a6d3b;margin-top:8px;font-size:12px}.overview-error{color:#a94442}.overview-table .toolbar{gap:6px;margin-bottom:0}.builder-domain{display:block;max-width:450px;margin:15px 0}.builder-field{display:block}.builder-field select{margin-top:5px}#builder-fields{margin:15px 0}#builder-result{margin-top:18px}#builder-url{font-family:monospace}#builder-state{margin-top:10px}#builder-warnings .alert{padding:10px}#builder-save{margin-top:5px}@media(max-width:600px){.overview-table{min-width:720px}.overview-table th:first-child{width:90px}.overview-table .btn{padding:4px 8px}.builder-domain{max-width:100%}}
 .overview-plain{white-space:pre-wrap}
+.login-panel .remember-choice{display:flex;align-items:center;gap:6px;font-weight:400}.login-panel .remember-choice input{flex:0 0 auto;margin:0}