Initial commit: Port Nimara CRM (Layers 0-4)

Full CRM rebuild with Next.js 15, TypeScript, Tailwind, Drizzle ORM,
PostgreSQL, Redis, BullMQ, MinIO, and Socket.io. Includes 461 source
files covering clients, berths, interests/pipeline, documents/EOI,
expenses/invoices, email, notifications, dashboard, admin, and
client portal. CI/CD via Gitea Actions with Docker builds.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/portal/portal-nav.tsx

@@ -0,0 +1,45 @@
+'use client';
+
+import Link from 'next/link';
+import { usePathname } from 'next/navigation';
+import { LayoutDashboard, Anchor, FileText, Receipt } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+const navItems = [
+  { label: 'Dashboard', href: '/portal/dashboard', icon: LayoutDashboard },
+  { label: 'Interests', href: '/portal/interests', icon: Anchor },
+  { label: 'Documents', href: '/portal/documents', icon: FileText },
+  { label: 'Invoices', href: '/portal/invoices', icon: Receipt },
+];
+
+export function PortalNav() {
+  const pathname = usePathname();
+
+  return (
+    <nav className="border-b bg-white">
+      <div className="max-w-5xl mx-auto px-4 sm:px-6">
+        <div className="flex gap-1 -mb-px overflow-x-auto">
+          {navItems.map((item) => {
+            const Icon = item.icon;
+            const isActive = pathname === item.href || pathname.startsWith(item.href + '/');
+            return (
+              <Link
+                key={item.href}
+                href={item.href as any}
+                className={cn(
+                  'flex items-center gap-2 px-4 py-3 text-sm font-medium border-b-2 transition-colors whitespace-nowrap',
+                  isActive
+                    ? 'border-[#1e2844] text-[#1e2844]'
+                    : 'border-transparent text-gray-500 hover:text-gray-700 hover:border-gray-300',
+                )}
+              >
+                <Icon className="h-4 w-4" />
+                {item.label}
+              </Link>
+            );
+          })}
+        </div>
+      </div>
+    </nav>
+  );
+}