chore: log server rendering failures

src/instrumentation.ts

@@ -0,0 +1,22 @@
+import type { Instrumentation } from "next";
+
+export const onRequestError: Instrumentation.onRequestError = async (
+	error,
+	request,
+	context,
+) => {
+	if (process.env.NEXT_RUNTIME !== "nodejs") return;
+
+	const { logServerError } = await import("@/lib/server-log");
+	logServerError("next.request_failed", error, {
+		path: request.path.split("?", 1)[0] ?? request.path,
+		method: request.method,
+		routePath: context.routePath,
+		routeType: context.routeType,
+		renderSource: context.renderSource,
+		digest:
+			typeof error === "object" && error !== null && "digest" in error
+				? String(error.digest)
+				: null,
+	});
+};