feat(admin): operator notifications dashboard UI

.changeset/admin-notifications-api.md

@@ -0,0 +1,7 @@
+---
+"nostream": minor
+---
+
+feat(admin): add GET/PATCH /admin/notifications API for operator alert config
+
+Closes #760.

.changeset/admin-notifications-ui.md

@@ -0,0 +1,10 @@
+---
+"nostream": minor
+---
+
+feat(admin): add notifications console page for operator alerts
+
+Adds a Notifications view to the admin dashboard for configuring targets and
+event toggles, testing delivery, and browsing the delivery log via the admin API.
+
+Closes #761

resources/admin/assets/dashboard.css

@@ -819,6 +819,48 @@
   margin-bottom: 0;
 }
 
+.notifications-target-card .notifications-target-type {
+  max-width: 10rem;
+}
+
+.notifications-log-table {
+  color: var(--text);
+  font-size: 0.75rem;
+}
+
+.notifications-log-table thead th {
+  border-bottom-color: var(--panel-border);
+  color: var(--label);
+  font-size: 0.65rem;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+}
+
+.notifications-log-table td,
+.notifications-log-table th {
+  border-color: var(--panel-border);
+  vertical-align: top;
+}
+
+.notifications-status-ok {
+  color: var(--ok);
+  font-weight: 600;
+}
+
+.notifications-status-failed {
+  color: var(--danger);
+  font-weight: 600;
+}
+
+.notifications-advanced summary {
+  cursor: pointer;
+  list-style: none;
+}
+
+.notifications-advanced summary::-webkit-details-marker {
+  display: none;
+}
+
 @media (max-width: 768px) {
   .admin-dashboard .metric-value {
     font-size: 1rem;

resources/admin/assets/dashboard.js

@@ -1285,6 +1285,11 @@
       return
     }
 
+    if (viewId === 'notifications-view') {
+      window.__ADMIN_NOTIFICATIONS__?.load?.()
+      return
+    }
+
     if (viewId === 'metrics-view') {
       startMetricsStream()
     }