feat(ui): cari hesaplar sayfaları, hareket formu ve vade uyarısı

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/features/contacts/components/due-banner.tsx

@@ -0,0 +1,29 @@
+import { HandCoins } from "lucide-react";
+import Link from "next/link";
+import { Button } from "@/components/ui/button";
+import { tr } from "@/i18n/tr";
+import { countDueContacts } from "../service";
+
+/** Dashboard: vadesi geçmiş veya yaklaşan cari borç/alacak uyarısı (Faz 8 kararı: uygulama içi). */
+export async function ContactsDueBanner({
+  userId,
+  householdId,
+}: {
+  userId: string;
+  householdId: string;
+}) {
+  const n = await countDueContacts(userId, householdId);
+  if (!n) return null;
+  return (
+    <div
+      role="status"
+      className="flex flex-wrap items-center gap-3 rounded-xl border border-budget/30 bg-budget/10 p-3 text-sm"
+    >
+      <HandCoins className="size-4 shrink-0 text-budget" aria-hidden />
+      <span className="flex-1">{tr.contacts.dueBanner(n)}</span>
+      <Button asChild size="sm" variant="outline">
+        <Link href="/cari">{tr.contacts.dueLink}</Link>
+      </Button>
+    </div>
+  );
+}