diff --git a/CLAUDE.md b/CLAUDE.md
index 082c57c..198faf8 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -104,7 +104,7 @@ Na serwerze .249 nginx na porcie 80 przekierowuje na HTTPS. Flask/Gunicorn na po
 git push origin master && git push inpi master
 
 # 2. STAGING: Wdrożenie i test
-ssh maciejpi@10.22.68.248 "cd /var/www/nordabiznes && sudo -u www-data git pull && sudo systemctl restart nordabiznes"
+ssh maciejpi@10.22.68.248 "cd /var/www/nordabiznes && sudo -u www-data git pull && sudo systemctl reload nordabiznes"
 # ⚠️ OBOWIĄZKOWO: Test manualny nowej funkcjonalności na staging!
 
 # 3. PROD: Pull zmiany (DOPIERO PO WERYFIKACJI STAGING!)
@@ -114,7 +114,7 @@ ssh maciejpi@10.22.68.249 "cd /var/www/nordabiznes && sudo -u www-data git pull"
 ssh maciejpi@10.22.68.249 "cd /var/www/nordabiznes && /var/www/nordabiznes/venv/bin/python3 scripts/run_migration.py database/migrations/XXX_nazwa.sql"
 
 # 5. PROD: Restart + weryfikacja
-ssh maciejpi@10.22.68.249 "sudo systemctl restart nordabiznes"
+ssh maciejpi@10.22.68.249 "sudo systemctl reload nordabiznes"
 curl -sI https://nordabiznes.pl/health | head -3
 ```
 
@@ -158,7 +158,7 @@ ssh maciejpi@10.22.68.249 "source .env && python3 skrypt.py"
 ### Deployment
 - Przed wdrożeniem: `python -m py_compile app.py`
 - SSH: `ssh maciejpi@10.22.68.249` (ZAWSZE jako maciejpi!)
-- Ścieżka: `/var/www/nordabiznes` | Restart: `sudo systemctl restart nordabiznes`
+- Ścieżka: `/var/www/nordabiznes` | Restart: `sudo systemctl reload nordabiznes`
 - **ZAWSZE** aktualizuj `release_notes` w app.py
 
 ### Szablony Jinja2 - WAŻNE!
diff --git a/static/js/conversations.js b/static/js/conversations.js
index e684365..ce5255b 100644
--- a/static/js/conversations.js
+++ b/static/js/conversations.js
@@ -1275,28 +1275,51 @@
                 return;
             }
             var convId = state.currentConversationId;
+            var savedReplyTo = state.replyToMessage;
+            var savedFiles = state.attachedFiles.slice();
+
+            // OPTIMISTIC UI: clear editor and show message IMMEDIATELY
+            state.quill.setText('');
+            state.attachedFiles = [];
+            state.replyToMessage = null;
+            var replyPreview = document.getElementById('replyPreview');
+            if (replyPreview) replyPreview.style.display = 'none';
+            Composer.renderAttachments();
+
+            // Show optimistic message in DOM instantly
+            var tempId = 'temp-' + Date.now();
+            var optimisticMsg = {
+                id: tempId,
+                conversation_id: convId,
+                content: html,
+                sender_id: window.__CURRENT_USER__ ? window.__CURRENT_USER__.id : null,
+                sender: window.__CURRENT_USER__ || {},
+                created_at: new Date().toISOString(),
+                _optimistic: true
+            };
+            ChatView.appendMessage(optimisticMsg);
 
             try {
                 var fd = new FormData();
                 if (html && text) fd.append('content', html);
-                if (state.replyToMessage) fd.append('reply_to_id', state.replyToMessage.id);
+                if (savedReplyTo) fd.append('reply_to_id', savedReplyTo.id);
 
-                state.attachedFiles.forEach(function (file) {
+                savedFiles.forEach(function (file) {
                     fd.append('files', file);
                 });
 
                 var result = await api('/api/conversations/' + convId + '/messages', 'POST', fd);
 
-                // Clear editor
-                state.quill.setText('');
-                state.attachedFiles = [];
-                state.replyToMessage = null;
-                var replyPreview = document.getElementById('replyPreview');
-                if (replyPreview) replyPreview.style.display = 'none';
-                Composer.renderAttachments();
-
-                // Append the sent message (dedup check inside appendMessage)
-                ChatView.appendMessage(result);
+                // Replace temp ID with real ID in state so polling dedup works
+                var msgs = state.messages[convId];
+                if (msgs) {
+                    for (var i = msgs.length - 1; i >= 0; i--) {
+                        if (msgs[i].id === tempId) {
+                            msgs[i] = result;
+                            break;
+                        }
+                    }
+                }
 
                 // Update conversation in list
                 ConversationList.updateConversation(convId, {