up

api/send_media_message_debug.log

@@ -335,3 +335,21 @@
 [2026-02-21 11:19:26] Send media by id response: {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSNEI4QkZFQjk2QjEyNkQ4RkMwAA=="}]}
 [2026-02-21 11:19:26] WhatsApp response (successful): {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSNEI4QkZFQjk2QjEyNkQ4RkMwAA=="}]}
 [2026-02-21 11:19:26] Saving to DB - content: image.png, media_url: 25968821909466059, local_file: uploads/media_6999db0b6b3f01.27857143.png, local_thumb: uploads/media_6999db0b6b3f01.27857143.png
+[2026-02-21 11:44:57] Raw input: {"recipient":"573022548060","media_url":"https://bot.u-s.app/uploads/media_6999e109e773c4.27559683.png","media_type":"image","caption":null,"filename":"image.png","is_voice":false}
+[2026-02-21 11:44:57] Input decoded: {"recipient":"573022548060","media_url":"https:\/\/bot.u-s.app\/uploads\/media_6999e109e773c4.27559683.png","media_type":"image","caption":null,"filename":"image.png","is_voice":false}
+[2026-02-21 11:44:57] is_voice: false
+[2026-02-21 11:44:57] Local file: /var/www/html/api/../uploads/media_6999e109e773c4.27559683.png exists=yes size=959684
+[2026-02-21 11:44:59] Upload result: {"id":"1263460085721419"}
+[2026-02-21 11:44:59] Media ID obtained: 1263460085721419
+[2026-02-21 11:44:59] Send media by id response: {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSMDZBMUY3QjAwNDdEMzc4OEQ5AA=="}]}
+[2026-02-21 11:44:59] WhatsApp response (successful): {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSMDZBMUY3QjAwNDdEMzc4OEQ5AA=="}]}
+[2026-02-21 11:44:59] Saving to DB - content: image.png, media_url: 1263460085721419, local_file: uploads/media_6999e109e773c4.27559683.png, local_thumb: uploads/media_6999e109e773c4.27559683.png
+[2026-02-21 11:45:15] Raw input: {"recipient":"573022548060","media_url":"https://bot.u-s.app/uploads/media_6999e11b12d2b8.79834878.png","media_type":"image","caption":null,"filename":"image.png","is_voice":false}
+[2026-02-21 11:45:15] Input decoded: {"recipient":"573022548060","media_url":"https:\/\/bot.u-s.app\/uploads\/media_6999e11b12d2b8.79834878.png","media_type":"image","caption":null,"filename":"image.png","is_voice":false}
+[2026-02-21 11:45:15] is_voice: false
+[2026-02-21 11:45:15] Local file: /var/www/html/api/../uploads/media_6999e11b12d2b8.79834878.png exists=yes size=959684
+[2026-02-21 11:45:16] Upload result: {"id":"883897194529314"}
+[2026-02-21 11:45:16] Media ID obtained: 883897194529314
+[2026-02-21 11:45:17] Send media by id response: {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSMzAxOUE0NEQ4QjZDN0E1MDUzAA=="}]}
+[2026-02-21 11:45:17] WhatsApp response (successful): {"messaging_product":"whatsapp","contacts":[{"input":"573022548060","wa_id":"573022548060"}],"messages":[{"id":"wamid.HBgMNTczMDIyNTQ4MDYwFQIAERgSMzAxOUE0NEQ4QjZDN0E1MDUzAA=="}]}
+[2026-02-21 11:45:17] Saving to DB - content: image.png, media_url: 883897194529314, local_file: uploads/media_6999e11b12d2b8.79834878.png, local_thumb: uploads/media_6999e11b12d2b8.79834878.png

conversations.php

@@ -2547,6 +2547,7 @@ if (!isset($_SESSION['user_id'])) {
 
                     if (append) {
                         this.conversations = this.conversations.concat(items);
+                        this._justLoadedMore = true; // evita que renderConversations baje el scroll y dispare otro loadMore
                     } else {
                         this.conversations = items;
                     }
@@ -2688,29 +2689,29 @@ if (!isset($_SESSION['user_id'])) {
                     this._prevConversations[c.user_id] = { unread_count: c.unread_count };
                 });
 
-                // Preserve sidebar scroll position as best-effort: snapshot and restore using delta
+                // Preservar posición visual del scroll del sidebar
                 try {
                     const prevScrollTop    = container.scrollTop;
                     const prevScrollHeight = container.scrollHeight;
                     const wasAtTop         = prevScrollTop <= 4;
+                    // Flag: si veníamos de un loadMore (items appended al fondo) NO compensar
+                    const wasLoadingMore   = !!this._justLoadedMore;
+                    this._justLoadedMore   = false;
 
                     container.innerHTML = html;
                     void container.offsetHeight; // forzar repaint
 
-                    const newScrollHeight = container.scrollHeight;
-                    const scrollDelta = newScrollHeight - prevScrollHeight;
-
                     if (wasAtTop) {
                         container.scrollTop = 0;
+                    } else if (wasLoadingMore) {
+                        // Items se agregaron al FONDO — mantener posición exacta sin compensar
+                        // (compensar causaría que el scroll baje y disparara otro loadMore)
+                        container.scrollTop = prevScrollTop;
                     } else {
-                        // Restaurar posición visual exacta compensando cambio de altura del contenido
+                        // Re-render normal (SSE update): compensar cambio de altura
+                        const scrollDelta = container.scrollHeight - prevScrollHeight;
                         container.scrollTop = Math.max(0, prevScrollTop + scrollDelta);
-                        // NOTA: NO llamar scrollIntoView aquí — se ejecuta en cada update SSE
-                        // y causa que el scroll baje solo continuamente hasta el fondo.
-                        // scrollIntoView solo se llama manualmente al abrir una conversación.
                     }
-
-                    console.log('✅ renderConversations COMPLETADO');
                 } catch (e) {
                     console.warn('renderConversations: scroll preservation failed', e);
                     container.innerHTML = html;

services/WhatsAppService.php

@@ -497,7 +497,10 @@ class WhatsAppService
                 'file'              => new CURLFile($filePath, $mimeType),
                 'type'              => $mimeType,
             ],
-            CURLOPT_HTTPHEADER     => ['Authorization: Bearer ' . $this->token],
+            CURLOPT_HTTPHEADER     => [
+                'Authorization: Bearer ' . $this->token,
+                'Expect:',  // deshabilitar 100-Continue: evita errno 55 (Send failure) con Meta
+            ],
             CURLOPT_TIMEOUT        => 300,
             CURLOPT_CONNECTTIMEOUT => 30,
             CURLOPT_HTTP_VERSION   => CURL_HTTP_VERSION_1_1,
@@ -624,6 +627,7 @@ class WhatsAppService
             '-w', '%{http_code}',
             '-X', 'POST',
             '-H', 'Authorization: Bearer ' . $this->token,
+            '-H', 'Expect:',   // deshabilitar 100-Continue: evita errno 55 con Meta API
             '-F', 'messaging_product=whatsapp',
             '-F', 'type=' . $mimeType,
             '-F', 'file=@' . $filePath . ';type=' . $mimeType,