feat: /meta для версии в футере и устойчивый разбор JSON

backend/test/app.test.ts

@@ -17,6 +17,18 @@ test("GET /api/health returns ok (prefix without proxy strip)", async () => {
   assert.equal(res.body.status, "ok");
 });
 
+test("GET /meta returns version for UI footer", async () => {
+  const res = await request(app).get("/meta").expect(200);
+  assert.equal(typeof res.body.version, "string");
+  assert.ok(res.body.version.length > 0);
+});
+
+test("GET /api/meta mirrors GET /meta", async () => {
+  const res = await request(app).get("/api/meta").expect(200);
+  assert.equal(typeof res.body.version, "string");
+  assert.ok(res.body.version.length > 0);
+});
+
 test("GET /ready succeeds with mock database", async () => {
   const res = await request(app).get("/ready").expect(200);
   assert.equal(res.body.status, "ready");