fix: upgrade Next to bound gzip drain listeners

tests/next-compression-drain.test.ts

@@ -0,0 +1,12 @@
+/** Run the same fake-input gate used for the traced standalone dependency graph. */
+import assert from "node:assert/strict";
+import path from "node:path";
+import { test } from "node:test";
+import { fileURLToPath } from "node:url";
+import { verifyCompressionRuntime } from "../scripts/smoke-compression-runtime.mjs";
+
+test("Next compression keeps drain listeners bounded through backpressure, payload delivery and disconnect", { timeout: 35_000 }, () => {
+	const root = fileURLToPath(new URL("../", import.meta.url));
+	const report = verifyCompressionRuntime(path.resolve(root));
+	assert.deepEqual(report.cases.map((item: { mode: string }) => item.mode), ["/node", "/web", "/identity", "/no-transform", "/abort"]);
+});