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>

src/routes/customers.ts

@@ -219,19 +219,44 @@ export async function customerRoutes(app: FastifyInstance) {
       statusEntry = { data: liveStatus, cachedAt: new Date().toISOString() };
     }
 
-    // ── Size history (last 30 days) ───────────────────────────────────────────
-    const sizeHistory = await db`
+    // ── Infrastructure checks ─────────────────────────────────────────────────
+    const [dbCheck, sizeHistory, secrets] = await Promise.allSettled([
+      // Try connecting to the customer DB
+      (async () => {
+        const sql = postgres(config.doadminDbUrl.replace(/\/([^/?]+)(\?|$)/, `/${slug}$2`), { max: 1, connect_timeout: 5 });
+        try {
+          await sql`SELECT 1`;
+          return true;
+        } finally {
+          await sql.end();
+        }
+      })(),
+      db`
         SELECT recorded_at, db_size_bytes, spaces_size_bytes, spaces_object_count
         FROM customer_size_snapshots
         WHERE slug = ${slug}
         ORDER BY recorded_at DESC
         LIMIT 30
-    `;
+      `,
+      getSecret(namespace, "lunarfront-secrets").catch(() => null),
+    ]);
+
+    const dbExists = dbCheck.status === "fulfilled" ? dbCheck.value : false;
+    const secretData = secrets.status === "fulfilled" ? secrets.value : null;
+    const infra = {
+      database: { exists: dbExists },
+      spaces: {
+        configured: !!(secretData?.["spaces-prefix"]),
+        bucket: secretData?.["spaces-bucket"] ?? null,
+        prefix: secretData?.["spaces-prefix"] ?? null,
+      },
+    };
 
     return reply.send({
       customer,
       status: { ...statusEntry.data, cachedAt: statusEntry.cachedAt },
-      sizeHistory,
+      infra,
+      sizeHistory: sizeHistory.status === "fulfilled" ? sizeHistory.value : [],
     });
   });