Update conversations.php

conversations.php

@@ -2814,6 +2814,8 @@
                     // Si es carga inicial y el servidor devolvió vacío, pero ya teníamos mensajes, preservarlos.
                     if (initial && Array.isArray(messages) && messages.length === 0 && Array.isArray(this.conversations) && this.conversations.length > 0) {
                         try { if (topLoader && topLoader.parentNode) topLoader.remove(); } catch(e) {}
+                        // Ensure container visibility is restored if it was hidden during render
+                        try { if (container && container.dataset && container.dataset.renderHidden) { container.style.visibility = 'visible'; delete container.dataset.renderHidden; } } catch(e) {}
                         this.loadingMessages = false;
                         if (typeof showAlert === 'function') showAlert('No se pudieron recargar mensajes; manteniendo historial actual', 'warning');
                         console.warn('Initial load returned empty but existing view contains messages - preserving current conversation');
@@ -2967,6 +2969,13 @@
                     if (initial) {
                         // Scroll to bottom only if the caller requested following behavior
                         if (follow) { this.scrollToBottom(); }
+                        // Re-show the container (we hid it before rendering to avoid jump-to-top)
+                        try {
+                            if (container && container.dataset && container.dataset.renderHidden) {
+                                container.style.visibility = 'visible';
+                                delete container.dataset.renderHidden;
+                            }
+                        } catch(e) { /* ignore */ }
                     } else if (container) {
                         // Mantener posición: desplazar por la diferencia de heights
                         const newScrollHeight = container.scrollHeight;
@@ -3005,6 +3014,9 @@
                     } else {
                         // En cargas iniciales mostramos el mensaje de error y botón de reintento (comportamiento previo)
                         if (container) {
+                            // Make sure it's visible again
+                            try { if (container && container.dataset && container.dataset.renderHidden) { container.style.visibility = 'visible'; delete container.dataset.renderHidden; } } catch(e) {}
+
                             container.innerHTML = `
                                 <div class="text-center p-4">
                                     <i class="fas fa-exclamation-triangle text-warning fa-2x"></i>
@@ -3040,6 +3052,8 @@
                 } catch (e) { console.warn('Failed to trim empty messages before render', e); }
 
                 if (initial) {
+                    // Hide the container while we rebuild the DOM to avoid a visible jump to the top
+                    try { container.style.visibility = 'hidden'; container.dataset.renderHidden = '1'; } catch(e) {}
                     container.innerHTML = '';
                 }