fix: fetch host info on initial page load

DOMContentLoaded was calling fetchHostGlance but not fetchHostInfo,
leaving the info-meta section stuck on "Loading…". Both the URL-hash
and default first-host paths now call fetchHostInfo and populate
infoCache on load.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

hbd/server/templates/plugins.html

@@ -1336,14 +1336,29 @@
           if (card) {
             card.classList.remove('collapsed');
             fetchHostGlance(hostname);
+            fetchHostInfo(hostname).then(data => {
+              infoCache[hostname] = data;
+              renderInfoSection(hostname, data);
+            }).catch(() => {
+              const el = document.getElementById(`info-${hostname}`);
+              if (el) el.innerHTML = '<div class="info-loading">Could not load host info.</div>';
+            });
             setTimeout(() => card.scrollIntoView({ behavior: 'smooth', block: 'start' }), 150);
             return;
           }
         }
         const first = document.querySelector('.host-card');
         if (first) {
+          const hostname = first.dataset.hostname;
           first.classList.remove('collapsed');
-          fetchHostGlance(first.dataset.hostname);
+          fetchHostGlance(hostname);
+          fetchHostInfo(hostname).then(data => {
+            infoCache[hostname] = data;
+            renderInfoSection(hostname, data);
+          }).catch(() => {
+            const el = document.getElementById(`info-${hostname}`);
+            if (el) el.innerHTML = '<div class="info-loading">Could not load host info.</div>';
+          });
         }
       });
       // ── Host action helpers ──────────────────────────────────────