feat(ui): birikim sayfası, varlık detayı ve hareket diyalogları

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

src/app/(app)/birikim/[id]/page.tsx

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+import type { Metadata } from "next";
+import { notFound } from "next/navigation";
+import { AssetDetailView } from "@/features/assets/components/asset-detail-view";
+import { getAsset } from "@/features/assets/service";
+import { tr } from "@/i18n/tr";
+import { requireActiveHousehold } from "@/lib/dal";
+
+export const metadata: Metadata = { title: tr.assets.history };
+
+/** /birikim/:id — varlık hareketleri (gizli varlık yalnızca sahibine; aksi 404). */
+export default async function AssetPage({ params }: PageProps<"/birikim/[id]">) {
+  const { user, household } = await requireActiveHousehold("viewer");
+  const { id } = await params;
+  const data = await getAsset(user.id, household.id, id);
+  if (!data) notFound();
+  return <AssetDetailView key={id} data={data} />;
+}

src/app/(app)/birikim/page.tsx

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+import type { Metadata } from "next";
+import { notFound } from "next/navigation";
+import { PageHeader } from "@/components/page-header";
+import { AssetsView } from "@/features/assets/components/assets-view";
+import { listAssets } from "@/features/assets/service";
+import { tr } from "@/i18n/tr";
+import { requireActiveHousehold } from "@/lib/dal";
+
+export const metadata: Metadata = { title: tr.assets.title };
+
+/** /birikim — altın, döviz ve ziynet varlıkları; ortalama maliyet ve kâr/zarar. */
+export default async function AssetsPage() {
+  const { user, household } = await requireActiveHousehold("viewer");
+  const data = await listAssets(user.id, household.id);
+  if (!data) notFound();
+  return (
+    <>
+      <PageHeader title={tr.assets.title} description={tr.assets.description} />
+      <AssetsView items={data.items} totals={data.totals} canWrite={data.canWrite} />
+    </>
+  );
+}