Fix message notification popup on remount

src/components/Admin/AdminSummary.jsx

@@ -75,6 +75,23 @@ export default function AdminSummary({ onNavigate, setActiveTab, selectedChatUse
 
             let lastMessageId = null;
 
+            // ✅ INITIAL FETCH: Get the latest message ID silently so we don't pop up old messages on every remount
+            try {
+                const { data: initialMessages } = await supabase
+                    .from('messages')
+                    .select('id')
+                    .eq('receiver_id', user.id)
+                    .order('id', { ascending: false })
+                    .limit(1);
+                
+                if (initialMessages && initialMessages.length > 0) {
+                    lastMessageId = initialMessages[0].id;
+                    console.log('🤫 Initial silent fetch complete. Last message ID:', lastMessageId);
+                }
+            } catch (err) {
+                console.error("Initial fetch error:", err);
+            }
+
             pollInterval = setInterval(async () => {
                 try {
                     const { data: newMessages } = await supabase
@@ -86,10 +103,10 @@ export default function AdminSummary({ onNavigate, setActiveTab, selectedChatUse
 
                     if (newMessages && newMessages.length > 0) {
                         const msg = newMessages[0];
-                        console.log('📬 Checking messages:', msg.id, 'last:', lastMessageId);
                         
-                        // Only process if it's a new message
-                        if (!lastMessageId || msg.id > lastMessageId) {
+                        // ✅ Only process if it's TRULY a new message (greater than the initial fetch)
+                        if (lastMessageId === null || msg.id > lastMessageId) {
+                            console.log('📬 New message detected:', msg.id, 'last:', lastMessageId);
                             lastMessageId = msg.id;
                             
                             // Get sender profile