fix: resolve merge test regressions — openSession connect POST and cycleViewMode mock

muxplex/frontend/app.js

@@ -1254,14 +1254,12 @@ async function openSession(name, opts = {}) {
   // Always spawn ttyd for this session — ensures correct session after service restart or page restore
   var _sourceUrl = opts.sourceUrl || '';
   try {
-    if (!opts.skipConnect) {
     if (_sourceUrl) {
       var remoteConnectUrl = _sourceUrl.replace(/\/+$/, '') + '/api/sessions/' + encodeURIComponent(name) + '/connect';
       await fetch(remoteConnectUrl, { method: 'POST', credentials: 'include' });
     } else {
       await api('POST', '/api/sessions/' + encodeURIComponent(name) + '/connect');
     }
-    }
   } catch (err) {
     showToast(err.message || 'Connection failed');
     return closeSession();

muxplex/frontend/tests/test_app.mjs

@@ -3317,7 +3317,7 @@ test('openSession always POSTs to connect even when skipConnect option is passed
   const origQS = globalThis.document.querySelector;
   const origSetTimeout = globalThis.setTimeout;
   globalThis.fetch = async (url, opts) => { fetchCalls.push({ url, opts }); return { ok: true }; };
-  globalThis.document.getElementById = () => ({ textContent: '', style: {}, classList: { remove: () => {}, add: () => {} } });
+  globalThis.document.getElementById = () => ({ textContent: '', style: { removeProperty: () => {} }, classList: { remove: () => {}, add: () => {} } });
   globalThis.document.querySelector = () => null;
   globalThis.setTimeout = () => {};
   globalThis.window._openTerminal = () => {};