feat(worker): dispatch 7z ranged listing + size-capped full-download fallback

worker/src/archive/ranged/fallback.test.ts

@@ -0,0 +1,27 @@
+import { describe, it, expect, vi } from "vitest";
+
+// logLevel is required here too (not just maxZipSizeMB/tempDir) because this
+// mock replaces the config module for the whole test-file graph, including
+// util/logger.ts's module-level `pino({ level: config.logLevel })` call —
+// pino throws at import time if level is undefined.
+vi.mock("../../util/config.js", () => ({ config: { maxZipSizeMB: 1, tempDir: "/tmp", logLevel: "info" } }));
+const created: unknown[] = [];
+vi.mock("../../db/client.js", () => ({
+  db: { systemNotification: { create: async (a: unknown) => { created.push(a); } } },
+}));
+
+import { fullDownloadListing } from "./fallback.js";
+
+describe("fullDownloadListing", () => {
+  it("refuses to download over the size cap and records a notification", async () => {
+    const res = await fullDownloadListing({
+      client: {} as never,
+      parts: [{ fileId: "1", fileSize: 2n * 1024n * 1024n * 1024n, fileName: "big.rar" }],
+      archiveType: "RAR",
+      totalSize: 2n * 1024n * 1024n * 1024n,
+      fileName: "big.rar",
+    });
+    expect(res).toBeNull();
+    expect(created).toHaveLength(1);
+  });
+});