fix(flowEditor): 修复节点连接边过滤逻辑

- 修正目标句柄匹配条件，同时检查目标节点ID和目标句柄ID
- 修正源句柄匹配条件，同时检查源节点ID和源句柄ID
- 移除调试日志输出语句
- 添加空输入字段占位元素以改善界面显示效果

src/pages/flowEditor/components/nodeContentOther.tsx

@@ -124,10 +124,12 @@ const renderSpecialNodeHandles = (isStartNode: boolean, isEndNode: boolean, data
 const getConnectedEdgesForHandle = (edges: any[], nodeId: string, handleId: string, handleType: 'source' | 'target') => {
   return edges.filter(edge => {
     if (handleType === 'target') {
-      return edge.targetHandle === handleId;
+      // 检查目标节点ID和目标句柄ID都匹配
+      return edge.target === nodeId && edge.targetHandle === handleId;
     }
     else {
-      return edge.sourceHandle === handleId;
+      // 检查源节点ID和源句柄ID都匹配
+      return edge.source === nodeId && edge.sourceHandle === handleId;
     }
   });
 };
@@ -287,7 +289,6 @@ const NodeContent = ({ data }: { data: NodeContentData }) => {
         connectedIns.push(...relatedDataIn);
 
         const relatedDataOut = getDataFieldsForApi(apiIn, dataOuts, 'out');
-        // console.log("relatedDataOut:",relatedDataOut);
         connectedOuts.push(...relatedDataOut);
       }
     });
@@ -344,6 +345,15 @@ const NodeContent = ({ data }: { data: NodeContentData }) => {
                 </div>
               )}
 
+              {connectedDataFields.connectedIns.length === 0 && (
+                <div className={styles['node-inputs']}>
+                  <div key={`input-${Date.now()}`} className={styles['node-input-label']}>
+                      <span className={styles['node-data-type']}>
+                      </span>
+                  </div>
+                </div>
+              )}
+
               {/* Data 输出 */}
               {connectedDataFields.connectedOuts.length > 0 && !isEndNode && (
                 <div className={styles['node-outputs']}>