Обновить запуск UI и упростить регистрацию

shine-UI/js/app.js

@@ -152,6 +152,7 @@ const routes = {
 const screenEl = document.getElementById('app-screen');
 const toolbarEl = document.getElementById('toolbar-slot');
 const appShellEl = document.querySelector('.app-shell');
+const initialSplashEl = document.getElementById('initial-splash');
 
 const CONNECTION_CHECK_INTERVAL_MS = 20 * 1000;
 const SIGNED_DM_DECRYPT_CONTEXT_WAIT_MS = 2000;
@@ -177,6 +178,7 @@ let uiVersionCheckInFlight = false;
 let uiVersionPeriodicIntervalId = null;
 let hiddenDmAudioContext = null;
 let hiddenDmAudioUnlocked = false;
+let initialConnectionCompleted = false;
 const CALL_PUSH_PENDING_ACTION_KEY = 'shine-ui-call-push-pending-action-v1';
 const GUEST_ALLOWED_PAGES = new Set([
   'start-view',
@@ -331,6 +333,11 @@ function refreshConnectionUi() {
   const bannerEl = ensureConnectionRetryBannerEl();
   if (!bannerEl) return;
 
+  if (!initialConnectionCompleted) {
+    bannerEl.hidden = true;
+    return;
+  }
+
   if (state === 'connected' || state === 'updating') {
     bannerEl.hidden = true;
     stopConnectionCountdown();
@@ -360,6 +367,21 @@ function refreshConnectionUi() {
   bannerEl.textContent = 'Проблема с соединением. Нажмите для повтора';
 }
 
+function finishInitialConnectionSplash() {
+  if (initialConnectionCompleted) return;
+  initialConnectionCompleted = true;
+  if (!initialSplashEl) {
+    refreshConnectionUi();
+    return;
+  }
+
+  initialSplashEl.classList.add('is-leaving');
+  const removeSplash = () => initialSplashEl.remove();
+  initialSplashEl.addEventListener('transitionend', removeSplash, { once: true });
+  window.setTimeout(removeSplash, 700);
+  refreshConnectionUi();
+}
+
 function startConnectionCountdown() {
   if (connectionStatusCountdownId) return;
   connectionStatusCountdownId = window.setInterval(() => {
@@ -467,6 +489,9 @@ function setConnectionStatus(nextState, text = '') {
   if (!state) return;
   connectionState = state;
   connectionStatusText = String(text || '').trim();
+  if (state === 'connected') {
+    finishInitialConnectionSplash();
+  }
   if (state === 'disconnected') {
     if (!connectionNextRetryAtMs || connectionNextRetryAtMs <= Date.now()) {
       connectionNextRetryAtMs = Date.now() + CONNECTION_CHECK_INTERVAL_MS;