feat: extract text from fetched PDFs

server/tests/bounded-response.test.ts

@@ -0,0 +1,26 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+import { readBoundedResponseBytes } from "../src/llm/bounded-response.js";
+
+const oneMiB = 1024 * 1024;
+
+test("reads response bytes within the declared size limit", async () => {
+  const bytes = await readBoundedResponseBytes(new Response("small"), oneMiB);
+  assert.equal(new TextDecoder().decode(bytes), "small");
+});
+
+test("rejects oversized responses from Content-Length before buffering", async () => {
+  const response = new Response("x", { headers: { "content-length": String(oneMiB + 1) } });
+  await assert.rejects(readBoundedResponseBytes(response, oneMiB), /exceeds the 1 MiB download limit/);
+});
+
+test("rejects streamed responses when Content-Length is absent", async () => {
+  const response = new Response(new ReadableStream({
+    start(controller) {
+      controller.enqueue(new Uint8Array(oneMiB));
+      controller.enqueue(new Uint8Array(1));
+      controller.close();
+    },
+  }));
+  await assert.rejects(readBoundedResponseBytes(response, oneMiB), /exceeds the 1 MiB download limit/);
+});