fix(messages): restore DOM keydown with capture:true — Quill binding didn't work

static/js/conversations.js

@@ -1203,23 +1203,17 @@
                 placeholder: 'Napisz wiadomość...',
                 modules: {
                     toolbar: [['bold', 'italic'], ['link'], ['clean']],
-                    keyboard: {
-                        bindings: {
-                            enter: {
-                                key: 13,
-                                handler: function() { Composer.send(); return false; }
-                            },
-                            shiftEnter: {
-                                key: 13,
-                                shiftKey: true,
-                                handler: function() { return true; } // Allow newline
-                            }
-                        }
-                    }
                 },
             });
 
-            // Enter handled by Quill keyboard binding above (no duplicate DOM listener)
+            // Enter = send (capture phase fires BEFORE Quill processes the key)
+            state.quill.root.addEventListener('keydown', function (e) {
+                if (e.key === 'Enter' && !e.shiftKey) {
+                    e.preventDefault();
+                    e.stopImmediatePropagation();
+                    Composer.send();
+                }
+            }, true);
 
             // Typing indicator
             state.quill.on('text-change', function () {