universal-runtime: fix overlay hiding error messages on reconnect

universal-runtime/entrypoint.sh

@@ -86,25 +86,22 @@ cat > /opt/portal/index.html <<'HTML'
     const MAX_RECONNECT_ATTEMPTS = 12;
     const RECONNECT_DELAYS_MS = [1000, 2000, 3000, 5000, 8000];
     let manualDisconnect = false;
-
-    function showOverlay() {
-      coEl.style.opacity = '1';
-      coEl.style.display = 'flex';
-      coEl.classList.remove('hidden');
-      statusEl.style.display = 'none';
-    }
+    let overlayHidden = false;
 
     function hideOverlay() {
+      if (overlayHidden) return;
+      overlayHidden = true;
       coEl.classList.add('hidden');
       setTimeout(() => { coEl.style.display = 'none'; }, 520);
     }
 
     function showError(text) {
-      hideOverlay();
       statusEl.textContent = text;
       statusEl.style.display = 'block';
     }
 
+    function hideError() { statusEl.style.display = 'none'; }
+
     function clearConnectTimer() {
       if (connectTimer) { clearTimeout(connectTimer); connectTimer = null; }
     }
@@ -129,6 +126,7 @@ cat > /opt/portal/index.html <<'HTML'
       clearConnectTimer();
       clearReconnectTimer();
       if (reconnectAttempts >= MAX_RECONNECT_ATTEMPTS) {
+        hideOverlay();
         showError('Соединение потеряно. Переподключение не удалось. Откройте сервис заново.');
         return;
       }
@@ -137,6 +135,7 @@ cat > /opt/portal/index.html <<'HTML'
       showError(\`\${reasonText} Повтор \${nextAttempt}/\${MAX_RECONNECT_ATTEMPTS} через \${Math.ceil(delayMs/1000)} сек.\`);
       reconnectTimer = setTimeout(() => {
         reconnectAttempts = nextAttempt;
+        hideError();
         connectRfb();
       }, delayMs);
     }
@@ -153,6 +152,7 @@ cat > /opt/portal/index.html <<'HTML'
         clearConnectTimer();
         clearReconnectTimer();
         hideOverlay();
+        hideError();
       });
       rfb.addEventListener('disconnect', () => {
         connected = false;
@@ -164,7 +164,6 @@ cat > /opt/portal/index.html <<'HTML'
     function connectRfb() {
       if (manualDisconnect) return;
       connected = false;
-      showOverlay();
       attachRfb();
       scheduleConnectTimeout();
     }