feat: integration/webhook counts in project overview

ProjectOverview gains integration_count + webhook_count (enabled only);
dashboard Resources list gets an Integrations row linking to the new
view. Covers the "dashboard widget if cheap" Phase 4 item.

Authored By: TDvorak <[email protected]>

apps/frontend/src/components/ProjectDashboard.tsx

@@ -6,6 +6,7 @@ import {
   IconMembers,
   IconAudit,
   IconCollections,
+  IconIntegrations,
   IconChevronRight,
 } from "./Icons";
 
@@ -110,6 +111,12 @@ export function ProjectDashboard(props: ProjectDashboardProps) {
       icon: IconMembers,
       view: "members",
     },
+    {
+      title: "Integrations",
+      sub: `${overview()?.integration_count ?? 0} connectors · ${overview()?.webhook_count ?? 0} webhooks`,
+      icon: IconIntegrations,
+      view: "integrations",
+    },
   ];
 
   const audit = () => (props.recentAudit ?? []).slice(0, 6);