fix(messages): override Enter in Quill keyboard config at init time

static/js/conversations.js

@@ -1222,28 +1222,36 @@
                 placeholder: 'Napisz wiadomość...',
                 modules: {
                     toolbar: [['bold', 'italic'], ['link'], ['clean']],
+                    keyboard: {
+                        bindings: {
+                            // Override ALL Enter behavior — send message instead of newline
+                            enter: {
+                                key: 'Enter',
+                                handler: function() {
+                                    var html = state.quill.root.innerHTML;
+                                    var text = state.quill.getText().trim();
+                                    if (text) {
+                                        state.quill.setText('');
+                                        Composer.sendContent(html, text);
+                                    }
+                                    return false;
+                                }
+                            },
+                            // Shift+Enter = newline
+                            linebreak: {
+                                key: 'Enter',
+                                shiftKey: true,
+                                handler: function(range) {
+                                    this.quill.insertText(range.index, '\n');
+                                    this.quill.setSelection(range.index + 1);
+                                    return false;
+                                }
+                            }
+                        }
+                    }
                 },
             });
 
-            // Enter = send: prepend our handler BEFORE Quill's default Enter handlers
-            // Quill stores handlers in keyboard.bindings keyed by keyCode
-            var enterBindings = state.quill.keyboard.bindings[13] || [];
-            // Insert our handler at the BEGINNING so it runs first
-            enterBindings.unshift({
-                key: 13,
-                shiftKey: false,
-                handler: function() {
-                    var html = state.quill.root.innerHTML;
-                    var text = state.quill.getText().trim();
-                    if (text) {
-                        state.quill.setText('');
-                        Composer.sendContent(html, text);
-                    }
-                    return false; // Block Quill's default Enter (newline insertion)
-                }
-            });
-            state.quill.keyboard.bindings[13] = enterBindings;
-
             // Typing indicator
             state.quill.on('text-change', function () {
                 Composer.sendTyping();