Add HEAD request support for uptime monitoring

test/api.test.js

@@ -41,6 +41,10 @@ describe("Spectra YouTube Suggest Engine - Test Suite", () => {
     assert.equal(data.status, "ok");
     assert.equal(data.database, "healthy");
     assert.equal(data.app, "spectra");
+
+    // Also verify HEAD request for Homepage / uptime monitoring
+    const headRes = await fetch(`${baseUrl}/api/health`, { method: "HEAD" });
+    assert.equal(headRes.status, 200);
   });
 
   it("2. GET /api/topics returns curated starter topics and people", async () => {