feat: link hostnames in Live Dashboard to Host Overview

Hostnames in the live dashboard table are now links to /plugins#hostname,
which expands and scrolls to that host's card in the Host Overview page.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

hbd/server/templates/live.html

@@ -236,6 +236,8 @@
       color: #ff9800;
       font-weight: 700;
     }
+    #ntable a.host-link { color: inherit; text-decoration: none; }
+    #ntable a.host-link:hover { text-decoration: underline; }
   </style>
   <script type="text/javascript">
     var cnt = 0;
@@ -245,11 +247,13 @@
     var HBD_VERSION = "{{ hbd_version }}";
 
     function hostNameHtml(data) {
+      var rawName = data.raw_name || data.name.replace(/<[^>]+>/g, '').replace('*', '').trim();
       var nameHtml = data.name;
       if (!data.hbc_version || data.hbc_version !== HBD_VERSION) {
         nameHtml += ' 🥀';
       }
-      return data.dyn ? '<b>' + nameHtml + '</b>' : nameHtml;
+      var display = data.dyn ? '<b>' + nameHtml + '</b>' : nameHtml;
+      return '<a class="host-link" href="/plugins#' + encodeURIComponent(rawName) + '">' + display + '</a>';
     }
 
     function setup() {
@@ -511,7 +515,7 @@
           <tbody id="ntablebody">
             {% for host in hosts %}
             <tr class="{% if host.alert_critical_unacked > 0 or host.alert_critical_acked > 0 %}row-critical{% elif host.alert_warning_unacked > 0 or host.alert_warning_acked > 0 %}row-warning{% endif %}">
-              <td data-name="{{ host.name }}">{{ host.name }}{% if not host.hbc_version or host.hbc_version != hbd_version %} 🥀{% endif %}</td>
+              <td data-name="{{ host.name }}"><a class="host-link" href="/plugins#{{ host.raw_name | urlencode }}">{{ host.name }}{% if not host.hbc_version or host.hbc_version != hbd_version %} 🥀{% endif %}</a></td>
               <td style="text-align: center; color: #ff9800; font-weight: bold;">
                 {%- set warning_unacked = host.alert_warning_unacked -%}
                 {%- set warning_acked = host.alert_warning_acked -%}

hbd/server/templates/plugins.html

@@ -1156,6 +1156,19 @@
       // ── Init ────────────────────────────────────────────────────────────────
 
       document.addEventListener('DOMContentLoaded', () => {
+        // If a host fragment is in the URL, expand and scroll to that host;
+        // otherwise expand the first host as before.
+        const hash = window.location.hash;
+        if (hash) {
+          const hostname = decodeURIComponent(hash.slice(1));
+          const card = document.querySelector(`.host-card[data-hostname="${hostname}"]`);
+          if (card) {
+            card.classList.remove('collapsed');
+            fetchHostGlance(hostname);
+            setTimeout(() => card.scrollIntoView({ behavior: 'smooth', block: 'start' }), 150);
+            return;
+          }
+        }
         const first = document.querySelector('.host-card');
         if (first) {
           first.classList.remove('collapsed');