feat(admin): add production error center and refresh CMS dependencies

src/lib/browser-errors.ts

@@ -0,0 +1,34 @@
+const seen = new Map<string, { at: number; id: string }>();
+export function reportBrowserError(
+	error: unknown,
+	event = "browser.exception",
+) {
+	if (typeof window === "undefined") return;
+	const candidate =
+		error instanceof Error
+			? error
+			: new Error(typeof error === "string" ? error : "Unknown browser error");
+	const key = `${event}:${location.pathname}:${"digest" in candidate ? candidate.digest : ""}:${candidate.message}`;
+	const now = Date.now();
+	const prior = seen.get(key);
+	if (prior && now - prior.at < 60000) return prior.id;
+	const reference = crypto.randomUUID();
+	if (seen.size >= 100) seen.clear();
+	seen.set(key, { at: now, id: reference });
+	const digest = "digest" in candidate ? String(candidate.digest) : undefined;
+	void fetch("/api/diagnostics/errors", {
+		method: "POST",
+		headers: { "Content-Type": "application/json" },
+		keepalive: true,
+		body: JSON.stringify({
+			event,
+			clientReference: reference,
+			message: candidate.message.slice(0, 1000),
+			stack: candidate.stack?.slice(0, 6000),
+			path: location.pathname,
+			digest,
+			release: process.env.NEXT_PUBLIC_CMS_RELEASE,
+		}),
+	}).catch(() => {});
+	return reference;
+}