feat(layout): finalize p01 and p02 changes

Complete UI foundation and app layout implementation, stabilize container health checks, and archive both OpenSpec changes after verification.

frontend/src/lib/config/navigation.ts

@@ -0,0 +1,32 @@
+import type { NavSection } from '$lib/types/layout';
+
+export const navigationSections: NavSection[] = [
+  {
+    title: 'PLANNING',
+    items: [
+      { label: 'Dashboard', href: '/dashboard', icon: 'LayoutDashboard' },
+      { label: 'Team', href: '/team', icon: 'Users' },
+      { label: 'Projects', href: '/projects', icon: 'Folder' },
+      { label: 'Allocations', href: '/allocations', icon: 'Calendar' },
+      { label: 'Actuals', href: '/actuals', icon: 'CheckCircle' }
+    ]
+  },
+  {
+    title: 'REPORTS',
+    items: [
+      { label: 'Forecast', href: '/reports/forecast', icon: 'TrendingUp' },
+      { label: 'Utilization', href: '/reports/utilization', icon: 'BarChart3' },
+      { label: 'Costs', href: '/reports/costs', icon: 'DollarSign' },
+      { label: 'Variance', href: '/reports/variance', icon: 'AlertTriangle' },
+      { label: 'Allocation Matrix', href: '/reports/allocation', icon: 'Grid3X3' }
+    ]
+  },
+  {
+    title: 'ADMIN',
+    roles: ['superuser'],
+    items: [
+      { label: 'Settings', href: '/settings', icon: 'Settings' },
+      { label: 'Master Data', href: '/master-data', icon: 'Database' }
+    ]
+  }
+];