feat: Update API versioning and parser handling for improved schedule updates and error management

test/api.test.js

@@ -99,6 +99,7 @@ test("API: ошибки с машиночитаемым кодом", async () =>
 
 test("API: исходный документ, сбой и таймаут университета", async () => {
   const catalog = (await json("/api/catalog")).body;
+  assert.equal(typeof catalog.parserVersion, "number");
   const id = (name) => catalog.files.find((f) => f.name === name).id;
   const original = await get(`/api/original/${id("23-ЛГ_23-БА.docx")}`);
   assert.equal(original.status, 200);

test/sources.test.js

@@ -156,6 +156,12 @@ test("Обновления: тот же файл перечитывается,
     scheduleUpdate({ ...saved, schemaVersion: 4 }, { files: [base] }, "23-БА", options).changed,
     base,
   );
+  // Without options the server's parser version from the catalog decides; an old server
+  // without it never triggers a re-read.
+  const parsed11 = { ...saved, schemaVersion: 11 };
+  assert.equal(scheduleUpdate(parsed11, { files: [base], parserVersion: 12 }, "23-БА").changed, base);
+  assert.equal(scheduleUpdate(parsed11, { files: [base], parserVersion: 11 }, "23-БА"), null);
+  assert.equal(scheduleUpdate(parsed11, { files: [base] }, "23-БА"), null);
   const spring = file("b", "23-БА весна.docx", "Mon, 25 Jan 2027 09:00:00 GMT");
   const others = [
     file("c", "23-БАз.docx", "Mon, 25 Jan 2027 09:00:00 GMT"),