feat: add infrastructure checks (DB exists, Spaces prefix) to customer overview

frontend/index.html

@@ -624,7 +624,7 @@
       }
     }
 
-    function renderDetail({ customer, status, sizeHistory }) {
+    function renderDetail({ customer, status, infra, sizeHistory }) {
       // Header
       document.getElementById('detail-name').textContent = customer.name || customer.slug;
       document.getElementById('detail-slug').textContent = customer.slug;
@@ -718,6 +718,30 @@
           ${conditionsHtml}
           ${podsHtml}
         </div>
+        <div class="stat-card">
+          <div class="card-title">Infrastructure</div>
+          <div class="stat-row">
+            <span class="stat-label">Database</span>
+            <span class="stat-value">${infra?.database?.exists
+              ? '<span class="badge badge-green">Exists</span>'
+              : '<span class="badge badge-red">Not found</span>'}</span>
+          </div>
+          <div class="stat-row">
+            <span class="stat-label">Storage</span>
+            <span class="stat-value">${infra?.spaces?.configured
+              ? '<span class="badge badge-green">Configured</span>'
+              : '<span class="badge badge-gray">Not configured</span>'}</span>
+          </div>
+          ${infra?.spaces?.configured ? `
+          <div class="stat-row">
+            <span class="stat-label">Bucket</span>
+            <span class="stat-value" style="font-family:monospace;font-size:0.8rem">${infra.spaces.bucket}</span>
+          </div>
+          <div class="stat-row">
+            <span class="stat-label">Prefix</span>
+            <span class="stat-value" style="font-family:monospace;font-size:0.8rem">${infra.spaces.prefix}</span>
+          </div>` : ''}
+        </div>
         <div class="stat-card">
           <div class="card-title">Provisioning Steps</div>
           <div class="step-list">${stepsHtml}</div>