Add API key generator and Zotero script builder

src/lib/clean-pdf/__tests__/zotero-script.test.ts

@@ -0,0 +1,12 @@
+import { describe, expect, it } from "vitest";
+import { buildZoteroScript } from "@/lib/clean-pdf/zotero-script";
+
+describe("buildZoteroScript", () => {
+  it("подставляет ключ и адрес школы", () => {
+    const s = buildZoteroScript({ apiKey: "sbpdf_test123", baseUrl: "https://school.second-brain.ru" });
+    expect(s).toContain("'sbpdf_test123'");
+    expect(s).toContain("'https://school.second-brain.ru'");
+    expect(s).toContain("/api/pdf?url=");
+    expect(s).not.toContain("YOUR_KEY");
+  });
+});