diff --git a/frontend/views/newwhats/components/MessageBubble.tsx b/frontend/views/newwhats/components/MessageBubble.tsx
index 120d3b8..7fd3351 100644
--- a/frontend/views/newwhats/components/MessageBubble.tsx
+++ b/frontend/views/newwhats/components/MessageBubble.tsx
@@ -311,6 +311,7 @@ interface MessageBubbleProps {
     quickReactions: string[];
     selectedChat?: any;
     canDelete?: boolean;   // false esconde a ação "Apagar" (sem permissão)
+    highlightTerm?: string; // termo da busca a realçar (amarelo) no texto
 }
 
 const MessageBubble: React.FC<MessageBubbleProps> = ({
@@ -333,11 +334,38 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
     selectedChat,
     canDelete = true,
     showTail = false,
+    highlightTerm,
 }) => {
+    // Renderiza o texto com links E realça o termo da busca (amarelo). Fatia o texto
+    // pelo termo (case-insensitive); trechos normais passam por renderTextWithLinks,
+    // o trecho casado vira <mark>. Sem termo/sem match → comportamento normal.
+    const renderTextHL = (text?: string | null): React.ReactNode => {
+        const t = (highlightTerm ?? '').trim();
+        const src = text ?? '';
+        if (!t) return renderTextWithLinks(src);
+        const lower = src.toLowerCase();
+        const lt = t.toLowerCase();
+        if (!lower.includes(lt)) return renderTextWithLinks(src);
+        const out: React.ReactNode[] = [];
+        let i = 0, k = 0;
+        while (i < src.length) {
+            const at = lower.indexOf(lt, i);
+            if (at === -1) { out.push(<React.Fragment key={k++}>{renderTextWithLinks(src.slice(i))}</React.Fragment>); break; }
+            if (at > i) out.push(<React.Fragment key={k++}>{renderTextWithLinks(src.slice(i, at))}</React.Fragment>);
+            out.push(<mark key={k++} className="bg-yellow-300 text-inherit rounded-[3px] px-0.5">{src.slice(at, at + t.length)}</mark>);
+            i = at + t.length;
+        }
+        return <>{out}</>;
+    };
+
     const [isMenuOpen, setIsMenuOpen] = React.useState(false);
     const [listOpen, setListOpen] = useState(false);
     const [isRedownloading, setIsRedownloading] = useState(false);
-    const [mediaUnavailable, setMediaUnavailable] = useState(false);
+    const [mediaFailed, setMediaFailed] = useState(false);
+    // Proativo: mídia legada irrecuperável (backend marcou media_recoverable=false) já
+    // nasce indisponível — não oferece "Toque para baixar" nem dispara o 400 de download.
+    // Combinado com o reativo (mediaFailed), setado se um re-download retornar 400/404.
+    const mediaUnavailable = mediaFailed || (msg as any).media_recoverable === false;
 
     const handleRedownload = useCallback(async () => {
         if (!onRedownloadMedia || isRedownloading || mediaUnavailable) return
@@ -346,7 +374,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
             await onRedownloadMedia(msg)
         } catch (err: any) {
             const status = err?.response?.status ?? err?.status
-            if (status === 400 || status === 404) setMediaUnavailable(true)
+            if (status === 400 || status === 404) setMediaFailed(true)
         } finally {
             setIsRedownloading(false)
         }
@@ -597,7 +625,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                         <span className="font-medium text-[#00a884]">Selecionou:</span>
                     </div>
                     <p className="text-[14.2px] break-words whitespace-pre-wrap leading-[1.6] text-[#111b21]">
-                        {msg.text}
+                        {renderTextHL(msg.text)}
                         {TimespacerEl}
                     </p>
                     <div className="absolute bottom-0.5 right-1">{TimestampEl}</div>
@@ -610,7 +638,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
             return (
                 <div>
                     <p className="text-[14.2px] break-words whitespace-pre-wrap leading-[1.6] text-[#111b21]">
-                        {renderTextWithLinks(msg.text)}
+                        {renderTextHL(msg.text)}
                         {TimespacerEl}
                     </p>
                     <div className="flex items-center gap-1 text-[11px] text-[#8696a0] mt-1">
@@ -632,7 +660,12 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                         >
                             {fullMediaUrl ? (
                                 <img
-                                    src={fullMediaUrl}
+                                    // Prévia rápida: carrega o thumbnail (<url>.thumb.webp, gerado no
+                                    // Wasabi); se não existir (mídia antiga/CDN), cai pro full via onError.
+                                    src={(msg.media_url && !msg.media_url.startsWith('http'))
+                                        ? (getMediaUrl(msg.media_url + '.thumb.webp') || fullMediaUrl)
+                                        : fullMediaUrl}
+                                    onError={(e) => { const t = e.currentTarget as HTMLImageElement; if (t.dataset.full !== '1') { t.dataset.full = '1'; t.src = fullMediaUrl!; } }}
                                     alt="Media"
                                     className="w-full h-full object-cover transition-transform group-hover/media:scale-[1.03] block"
                                 />
@@ -653,7 +686,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                         {hasCaption && (
                             <div className="relative px-1 pt-1.5 pb-0.5">
                                 <p className="text-[14.2px] break-words whitespace-pre-wrap leading-[1.6] text-[#111b21]">
-                                    {msg.text}
+                                    {renderTextHL(msg.text)}
                                     {TimespacerEl}
                                 </p>
                                 <div className="absolute bottom-0.5 right-1">{TimestampEl}</div>
@@ -701,7 +734,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                         {hasCaption && (
                             <div className="relative px-1 pt-1.5 pb-0.5">
                                 <p className="text-[14.2px] break-words whitespace-pre-wrap leading-[1.6] text-[#111b21]">
-                                    {msg.text}
+                                    {renderTextHL(msg.text)}
                                     {TimespacerEl}
                                 </p>
                                 <div className="absolute bottom-0.5 right-1">{TimestampEl}</div>
@@ -798,7 +831,7 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
                 }
                 return (
                     <p className="text-[14.2px] break-words whitespace-pre-wrap leading-[1.6] text-[#111b21]">
-                        {renderTextWithLinks(msg.text)}
+                        {renderTextHL(msg.text)}
                         <span style={{ float: 'right', marginLeft: 6, position: 'relative', bottom: -3 }}>
                             {TimestampEl}
                         </span>
@@ -830,7 +863,10 @@ const MessageBubble: React.FC<MessageBubbleProps> = ({
             id={`msg-${msg.message_id}`}
             initial={{ opacity: 0, scale: 0.95, y: 10 }}
             animate={{ opacity: 1, scale: 1, y: 0 }}
-            className={`flex w-full mb-3 group/row ${isOut ? 'justify-end pr-4' : 'justify-start'}`}
+            // Cada linha é um stacking context (transform do framer-motion). Sem z-index,
+            // mensagens posteriores no DOM cobrem o menu/reações desta. Ao abrir, elevamos
+            // ESTA linha acima das demais para o menu sobrepor tudo.
+            className={`flex w-full mb-3 group/row ${isOut ? 'justify-end pr-4' : 'justify-start'} ${(isMenuOpen || reactionPickerFor === msg.message_id) ? 'relative z-30' : ''}`}
         >
             {showActionsLeft && (
                 <div className="opacity-0 group-hover/row:opacity-100 transition-opacity flex flex-col items-center justify-center mr-2 gap-2">
diff --git a/frontend/views/newwhats/hooks/inbox/useNewInboxBridge.ts b/frontend/views/newwhats/hooks/inbox/useNewInboxBridge.ts
index 010ad5a..284bcec 100644
--- a/frontend/views/newwhats/hooks/inbox/useNewInboxBridge.ts
+++ b/frontend/views/newwhats/hooks/inbox/useNewInboxBridge.ts
@@ -76,6 +76,9 @@ function messagesToLegacy(msgs: ReturnType<typeof useChatStore.getState>['messag
     status: m.status.toLowerCase(),
     type: m.type.toLowerCase(),
     media_url: m.mediaUrl,
+    // false só para mídias legadas sem WAMessage salvo (fromMe irrecuperável); default
+    // true para não bloquear mensagens vindas por outros caminhos (socket, etc.).
+    media_recoverable: (m as any).mediaRecoverable ?? true,
     transcription: (m as any).transcription ?? null,
     mime_type: m.mimeType,
     reply_to_id: m.replyToId,
@@ -163,6 +166,8 @@ export function useNewInboxBridge() {
   const handleSelectChat = useCallback(async (chat: NewWhatsChat | null) => {
     if (!chat) { useChatStore.getState().setActiveChat(null); return }
     await chatStore.selectChat(String(chat.id))
+    // Assina a presença do contato (composing/recording) — só assim o motor emite.
+    chatApi.subscribePresence(String(chat.id)).catch(() => {})
   }, [chatStore])
 
   const handleSendText = useCallback(async (text: string, mentions?: string[], replyToMessageId?: string) => {
@@ -216,6 +221,19 @@ export function useNewInboxBridge() {
     useChatStore.getState().patchChat(chatId, { unreadCount: 0 })
   }, [])
 
+  // Apaga a mensagem PARA TODOS (revoke no WhatsApp). Confirma antes; em erro (ex.:
+  // mensagem não é sua / instância offline) mostra o motivo. messageId = id interno.
+  const handleDeleteMessage = useCallback(async (chatId: string, messageId: string) => {
+    if (!chatId || !messageId) return
+    if (typeof window !== 'undefined' && !window.confirm('Apagar esta mensagem para todos? Esta ação não pode ser desfeita.')) return
+    try {
+      await useChatStore.getState().deleteMessage(chatId, messageId)
+    } catch (e: any) {
+      const m = e?.response?.data?.error || e?.message || 'Não foi possível apagar a mensagem.'
+      if (typeof window !== 'undefined') window.alert(m)
+    }
+  }, [])
+
   const handleSearchMessages = useCallback(async (q: string) => {
     if (!instanceStore.activeInstanceId || q.length < 2) return []
     return messageApi.search(instanceStore.activeInstanceId, q)
@@ -258,11 +276,12 @@ export function useNewInboxBridge() {
     handleArchiveChat,
     handlePinChat,
     handleDeleteChat,
+    handleDeleteMessage,
     handleMarkRead,
     handleSearchMessages,
     handleMenuAction,
 
-    presenceByJid: {} as Record<string, any>,
+    presenceByJid: chatStore.presenceByJid as Record<string, any>,
     isFavoriteChat: (_: NewWhatsChat) => false,
   }
 }