fix(web): workflow bug

web/src/views/Workflow/components/Editor/plugin/CharacterCountPlugin.tsx

@@ -14,18 +14,23 @@ const CharacterCountPlugin = ({ setCount, onChange }: { setCount: (count: number
         let serializedContent = '';
         
         // Traverse all nodes and serialize properly
+        const paragraphs: string[] = [];
         root.getChildren().forEach(child => {
           if ($isParagraphNode(child)) {
+            let paragraphContent = '';
             child.getChildren().forEach(node => {
               if ($isVariableNode(node)) {
-                serializedContent += node.getTextContent();
+                paragraphContent += node.getTextContent();
               } else {
-                serializedContent += node.getTextContent();
+                paragraphContent += node.getTextContent();
               }
             });
+            paragraphs.push(paragraphContent);
           }
         });
         
+        serializedContent = paragraphs.join('\n');
+        
         setCount(serializedContent.length);
         onChange?.(serializedContent);
       });

web/src/views/Workflow/components/Editor/plugin/InitialValuePlugin.tsx

@@ -26,6 +26,7 @@ const InitialValuePlugin: React.FC<InitialValuePluginProps> = ({ value, options
         parts.forEach(part => {
           const match = part.match(/^\{\{([^.]+)\.([^}]+)\}\}$/);
           const contextMatch = part.match(/^\{\{context\}\}$/);
+          const conversationMatch = part.match(/^\{\{conv\.([^}]+)\}\}$/);
 
           // 匹配{{context}}格式
           if (contextMatch) {
@@ -38,6 +39,20 @@ const InitialValuePlugin: React.FC<InitialValuePluginProps> = ({ value, options
             return
           }
           
+          // 匹配{{conv.xx}}格式
+          if (conversationMatch) {
+            const [_, variableName] = conversationMatch;
+            const conversationSuggestion = options.find(s => 
+              s.group === 'CONVERSATION' && s.label === variableName
+            );
+            if (conversationSuggestion) {
+              paragraph.append($createVariableNode(conversationSuggestion));
+            } else {
+              paragraph.append($createTextNode(part));
+            }
+            return
+          }
+          
           // 匹配普通变量{{nodeId.label}}格式
           if (match) {
             const [_, nodeId, label] = match;