feat(cms): recover drafts and failed imports with verified UI workflows

src/components/admin/studio/import-source-diagnostics.tsx

@@ -0,0 +1,32 @@
+"use client";
+import { useTranslations } from "next-intl";
+import type { SourceAssetCheck } from "@/lib/furni/source-assets";
+export function ImportSourceDiagnostics({
+	check,
+}: {
+	check?: SourceAssetCheck;
+}) {
+	const t = useTranslations("admin.studio.importDiagnostics");
+	if (!check?.attempts?.length) return null;
+	return (
+		<details className="mt-2 text-xs">
+			<summary className="cursor-pointer">{t("attempts")}</summary>
+			<p className="mt-2 text-[var(--admin-text-muted)]">{t("preliminary")}</p>
+			<ul className="space-y-2 py-2">
+				{[
+					...new Map(
+						check.attempts.map((attempt) => [attempt.url, attempt]),
+					).values(),
+				].map((attempt) => (
+					<li key={attempt.url}>
+						<strong>{attempt.file}</strong> ·{" "}
+						{attempt.reason === "http"
+							? t("http", { status: attempt.status ?? 0 })
+							: t(attempt.reason)}
+						<code className="block break-all">{attempt.url}</code>
+					</li>
+				))}
+			</ul>
+		</details>
+	);
+}