feat(web): 尝试增加并行节点解决解析问题

service-ai/service-ai-web/src/test/java/com/lanyuanxiaoyao/service/ai/web/flow/BaseNode.java

@@ -0,0 +1,16 @@
+package com.lanyuanxiaoyao.service.ai.web.flow;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author lanyuanxiaoyao
+ * @version 20250625
+ */
+@Slf4j
+public abstract class BaseNode extends NodeComponent {
+  @Override
+  public void process() throws Exception {
+    log.info(getClass().getName());
+  }
+}

service-ai/service-ai-web/src/test/java/com/lanyuanxiaoyao/service/ai/web/flow/EndNode.java

@@ -0,0 +1,12 @@
+package com.lanyuanxiaoyao.service.ai.web.flow;
+
+/**
+ * @author lanyuanxiaoyao
+ * @version 20250625
+ */
+public class EndNode extends BaseNode {
+  @Override
+  public void process() throws Exception {
+
+  }
+}

service-ai/service-ai-web/src/test/java/com/lanyuanxiaoyao/service/ai/web/flow/LiteFlowService.java

@@ -0,0 +1,304 @@
+package com.lanyuanxiaoyao.service.ai.web.flow;
+
+import cn.hutool.core.util.StrUtil;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.eclipsecollections.EclipseCollectionsModule;
+import com.yomahub.liteflow.builder.LiteFlowNodeBuilder;
+import com.yomahub.liteflow.core.NodeComponent;
+import com.yomahub.liteflow.enums.NodeTypeEnum;
+import java.util.LinkedList;
+import java.util.Queue;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.eclipse.collections.api.factory.Lists;
+import org.eclipse.collections.api.factory.Maps;
+import org.eclipse.collections.api.list.ImmutableList;
+import org.eclipse.collections.api.list.MutableList;
+import org.eclipse.collections.api.map.ImmutableMap;
+
+/**
+ * @author lanyuanxiaoyao
+ * @version 20250625
+ */
+@Slf4j
+public class LiteFlowService {
+  public LiteFlowService() {
+    createNode("start-amis-node", NodeTypeEnum.COMMON, StartNode.class);
+    createNode("end-amis-node", NodeTypeEnum.COMMON, EndNode.class);
+    createNode("llm-amis-node", NodeTypeEnum.COMMON, LlmNode.class);
+  }
+
+  private static void createNode(String name, NodeTypeEnum type, Class<? extends NodeComponent> clazz) {
+    LiteFlowNodeBuilder.createNode()
+        .setId(name)
+        .setName(name)
+        .setType(type)
+        .setClazz(clazz)
+        .build();
+  }
+
+  public static void main(String[] args) throws JsonProcessingException {
+    ObjectMapper mapper = new ObjectMapper();
+    mapper.registerModule(new EclipseCollectionsModule());
+    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+    // language=JSON
+    String source = """
+        {
+          "nodes": [
+            {
+              "id": "A",
+              "type": "start",
+              "position": {
+                "x": 8,
+                "y": 272
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": false,
+              "dragging": false
+            },
+            {
+              "id": "F",
+              "type": "end",
+              "position": {
+                "x": 1439.5556937134281,
+                "y": 282.2797340760818
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": false,
+              "dragging": false
+            },
+            {
+              "id": "C",
+              "type": "normal",
+              "position": {
+                "x": 902.6781018665707,
+                "y": 115.31234529524048
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": false,
+              "dragging": false
+            },
+            {
+              "id": "B",
+              "type": "normal",
+              "position": {
+                "x": 338,
+                "y": 287
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": false,
+              "dragging": false
+            },
+            {
+              "id": "E",
+              "type": "normal",
+              "position": {
+                "x": 1086.6322978498904,
+                "y": 371.3061114283591
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": true,
+              "dragging": false
+            },
+            {
+              "id": "D",
+              "type": "normal",
+              "position": {
+                "x": 700.0944461714178,
+                "y": 369.84258971430364
+              },
+              "data": {},
+              "measured": {
+                "width": 256,
+                "height": 75
+              },
+              "selected": false,
+              "dragging": false
+            }
+          ],
+          "edges": [
+            {
+              "source": "A",
+              "target": "B",
+              "id": "xy-edge__A-B"
+            },
+            {
+              "source": "B",
+              "target": "C",
+              "id": "xy-edge__B-C"
+            },
+            {
+              "source": "C",
+              "target": "F",
+              "id": "xy-edge__C-F"
+            },
+            {
+              "source": "D",
+              "target": "E",
+              "id": "xy-edge__D-E"
+            },
+            {
+              "source": "B",
+              "target": "D",
+              "id": "xy-edge__B-D"
+            },
+            {
+              "source": "E",
+              "target": "F",
+              "id": "xy-edge__E-F"
+            }
+          ],
+          "data": {
+            "A": {
+              "inputs": {
+                "name": {
+                  "type": "text"
+                },
+                "description": {
+                  "type": "text",
+                  "description": "文件描述"
+                }
+              }
+            },
+            "C": {
+              "model": "qwen3",
+              "outputs": {
+                "text": {
+                  "type": "string"
+                }
+              },
+              "systemPrompt": "你是个沙雕"
+            },
+            "B": {
+              "count": 3,
+              "score": 0.75,
+              "knowledgeId": 3585368238960640,
+              "query": "hello world"
+            },
+            "E": {
+              "type": "python",
+              "content": "code='hello'\\nprint(code)"
+            },
+            "D": {
+              "model": "qwen3",
+              "outputs": {
+                "text": {
+                  "type": "string"
+                }
+              },
+              "systemPrompt": "你是个聪明人"
+            }
+          }
+        }
+        """;
+    FlowData root = mapper.readValue(StrUtil.trim(source), FlowData.class);
+    log.info("\n{}", buildEl(root.nodes, root.edges));
+  }
+
+  public static String buildEl(ImmutableList<FlowData.Node> nodes, ImmutableList<FlowData.Edge> edges) {
+    var nodeMap = nodes.toMap(FlowData.Node::getId, node -> node);
+    var adjacencyGraph = Maps.mutable.<String, MutableList<String>>empty();
+    var reverseAdjacencyGraph = Maps.mutable.<String, MutableList<String>>empty();
+    var inDegree = Maps.mutable.<String, Integer>empty();
+
+    nodes.forEach(node -> {
+      adjacencyGraph.put(node.getId(), Lists.mutable.empty());
+      reverseAdjacencyGraph.put(node.getId(), Lists.mutable.empty());
+      inDegree.put(node.getId(), 0);
+    });
+    edges.forEach(edge -> {
+      adjacencyGraph.get(edge.getSource()).add(edge.getTarget());
+      reverseAdjacencyGraph.get(edge.getTarget()).add(edge.getSource());
+      inDegree.put(edge.getTarget(), inDegree.get(edge.getTarget()) + 1);
+    });
+
+    Queue<String> queue = new LinkedList<>();
+    var topologicalSortedList = Lists.mutable.<String>empty();
+
+    inDegree.forEachKeyValue((id, count) -> {
+      if (count == 0) {
+        queue.offer(id);
+      }
+    });
+
+    while (!queue.isEmpty()) {
+      String id = queue.poll();
+      topologicalSortedList.add(id);
+      for (var neighborId : adjacencyGraph.get(id)) {
+        inDegree.put(neighborId, inDegree.get(neighborId) - 1);
+        if (inDegree.get(neighborId) == 0) {
+          queue.offer(neighborId);
+        }
+      }
+    }
+
+    topologicalSortedList.forEach(id -> log.info("{} {}", id, adjacencyGraph.get(id)));
+    topologicalSortedList.forEach(id -> log.info("{} {}", id, reverseAdjacencyGraph.get(id)));
+
+    var nodeQueue = new LinkedList<>(topologicalSortedList);
+    var chains = Lists.mutable.<MutableList<String>>empty();
+    while (!nodeQueue.isEmpty()) {
+      String currentId = nodeQueue.poll();
+      var subChain = Lists.mutable.<String>empty();
+      while (true) {
+        subChain.add(currentId);
+        nodeQueue.remove(currentId);
+        if (adjacencyGraph.get(currentId).size() != 1) {
+          break;
+        }
+        String nextId = adjacencyGraph.get(currentId).get(0);
+        if (reverseAdjacencyGraph.get(nextId).size() > 1) {
+          break;
+        }
+        currentId = nextId;
+      }
+      chains.add(subChain);
+    }
+
+    log.info("{}", chains);
+
+    return StrUtil.join(",", topologicalSortedList);
+  }
+
+  @Data
+  public static class FlowData {
+    private ImmutableList<Node> nodes;
+    private ImmutableList<Edge> edges;
+    private ImmutableMap<String, Object> data;
+
+    @Data
+    public static class Node {
+      private String id;
+      private String type;
+    }
+
+    @Data
+    public static class Edge {
+      private String id;
+      private String source;
+      private String target;
+    }
+  }
+}

service-ai/service-ai-web/src/test/java/com/lanyuanxiaoyao/service/ai/web/flow/LlmNode.java

@@ -0,0 +1,12 @@
+package com.lanyuanxiaoyao.service.ai.web.flow;
+
+/**
+ * @author lanyuanxiaoyao
+ * @version 20250625
+ */
+public class LlmNode extends BaseNode {
+  @Override
+  public void process() throws Exception {
+
+  }
+}

service-ai/service-ai-web/src/test/java/com/lanyuanxiaoyao/service/ai/web/flow/StartNode.java

@@ -0,0 +1,12 @@
+package com.lanyuanxiaoyao.service.ai.web.flow;
+
+/**
+ * @author lanyuanxiaoyao
+ * @version 20250625
+ */
+public class StartNode extends BaseNode {
+  @Override
+  public void process() throws Exception {
+
+  }
+}

service-web/client/src/pages/ai/flow/FlowEditor.tsx

@@ -4,7 +4,7 @@ import {
   BackgroundVariant,
   type Connection,
   Controls,
-  type Edge,
+  getIncomers,
   getOutgoers,
   MiniMap,
   type Node,
@@ -18,15 +18,16 @@ import {arrToMap, find, findIdx, isEqual, isNil, randomId} from 'licia'
 import {type JSX, useState} from 'react'
 import styled from 'styled-components'
 import '@xyflow/react/dist/style.css'
+import Queue from 'yocto-queue'
 import {amisRender, commonInfo, horizontalFormOptions} from '../../../util/amis.tsx'
 import CodeNode from './node/CodeNode.tsx'
 import EndNode from './node/EndNode.tsx'
 import KnowledgeNode from './node/KnowledgeNode.tsx'
 import LlmNode from './node/LlmNode.tsx'
+import ParallelNode from './node/ParallelNode.tsx'
 import StartNode from './node/StartNode.tsx'
 import {useDataStore} from './store/DataStore.ts'
 import {useFlowStore} from './store/FlowStore.ts'
-import Queue from 'yocto-queue'
 
 const FlowableDiv = styled.div`
     height: 100%;
@@ -73,34 +74,39 @@ function FlowEditor() {
     component: (props: NodeProps) => JSX.Element
   }[]>([
     {
-      key: 'start-amis-node',
+      key: 'start-node',
       name: '开始',
       component: StartNode,
     },
     {
-      key: 'end-amis-node',
+      key: 'end-node',
       name: '结束',
       component: EndNode,
     },
     {
-      key: 'llm-amis-node',
+      key: 'parallel-node',
+      name: '并行',
+      component: ParallelNode,
+    },
+    {
+      key: 'llm-node',
       name: '大模型',
       component: LlmNode,
     },
     {
-      key: 'knowledge-amis-node',
+      key: 'knowledge-node',
       name: '知识库',
       component: KnowledgeNode,
     },
     {
-      key: 'code-amis-node',
+      key: 'code-node',
       name: '代码执行',
       component: CodeNode,
     },
   ])
   const [open, setOpen] = useState(false)
 
-  const {setData, getDataById, setDataById} = useDataStore()
+  const {data, setData, getDataById, setDataById} = useDataStore()
   const {
     nodes,
     getNodeById,
@@ -185,10 +191,10 @@ function FlowEditor() {
   }
 
   const checkNode = (type: string) => {
-    if (isEqual(type, 'start-amis-node') && findIdx(nodes, (node: Node) => isEqual(type, node.type)) > -1) {
+    if (isEqual(type, 'start-node') && findIdx(nodes, (node: Node) => isEqual(type, node.type)) > -1) {
       throw new Error('只能存在1个开始节点')
     }
-    if (isEqual(type, 'end-amis-node') && findIdx(nodes, (node: Node) => isEqual(type, node.type)) > -1) {
+    if (isEqual(type, 'end-node') && findIdx(nodes, (node: Node) => isEqual(type, node.type)) > -1) {
       throw new Error('只能存在1个结束节点')
     }
   }
@@ -203,12 +209,12 @@ function FlowEditor() {
       throw new Error('连线目标节点未找到')
     }
     // 禁止短路整个流程
-    if (isEqual('start-amis-node', sourceNode.type) && isEqual('end-amis-node', targetNode.type)) {
+    if (isEqual('start-node', sourceNode.type) && isEqual('end-node', targetNode.type)) {
       throw new Error('开始节点不能直连结束节点')
     }
 
     // 禁止流程出现环，必须是有向无环图
-    const hasCycle = (node: Node, visited = new Set()) => {
+    const hasCycle = (node: Node, visited = new Set<string>()) => {
       if (visited.has(node.id)) return false
       visited.add(node.id)
       for (const outgoer of getOutgoers(node, nodes, edges)) {
@@ -221,11 +227,35 @@ function FlowEditor() {
     } else if (hasCycle(targetNode)) {
       throw new Error('禁止流程循环')
     }
+
+    const hasRedundant = (source: Node, target: Node) => {
+      const visited = new Set<string>()
+      const queue = new Queue<Node>()
+      queue.enqueue(source)
+      visited.add(source.id)
+      while (queue.size > 0) {
+        const current = queue.dequeue()!
+        console.log(current.id)
+        for (const incomer of getIncomers(current, nodes, edges)) {
+          if (isEqual(incomer.id, target.id)) {
+            return true
+          }
+          if (!visited.has(incomer.id)) {
+            visited.add(incomer.id)
+            queue.enqueue(incomer)
+          }
+        }
+      }
+      return false
+    }
+    if (hasRedundant(sourceNode, targetNode)) {
+      throw new Error('出现冗余边')
+    }
   }
 
   useMount(() => {
     // language=JSON
-    let initialData = JSON.parse('{\n  "nodes": [\n    {\n      "id": "BMFP3Eov94",\n      "type": "start-amis-node",\n      "position": {\n        "x": 8,\n        "y": 272\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "PYK8LjduQ1",\n      "type": "end-amis-node",\n      "position": {\n        "x": 1439.5556937134281,\n        "y": 282.2797340760818\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "nCm-ij5I6o",\n      "type": "llm-amis-node",\n      "position": {\n        "x": 902.6781018665707,\n        "y": 115.31234529524048\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "9RIg65O0YQ",\n      "type": "knowledge-amis-node",\n      "position": {\n        "x": 338,\n        "y": 287\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "2vTyjP0Gu9",\n      "type": "code-amis-node",\n      "position": {\n        "x": 1086.6322978498904,\n        "y": 371.3061114283591\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": true,\n      "dragging": false\n    },\n    {\n      "id": "s9VfZpvb4P",\n      "type": "llm-amis-node",\n      "position": {\n        "x": 700.0944461714178,\n        "y": 369.84258971430364\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    }\n  ],\n  "edges": [\n    {\n      "source": "BMFP3Eov94",\n      "target": "9RIg65O0YQ",\n      "id": "xy-edge__BMFP3Eov94-9RIg65O0YQ"\n    },\n    {\n      "source": "9RIg65O0YQ",\n      "target": "nCm-ij5I6o",\n      "id": "xy-edge__9RIg65O0YQ-nCm-ij5I6o"\n    },\n    {\n      "source": "nCm-ij5I6o",\n      "target": "PYK8LjduQ1",\n      "id": "xy-edge__nCm-ij5I6o-PYK8LjduQ1"\n    },\n    {\n      "source": "s9VfZpvb4P",\n      "target": "2vTyjP0Gu9",\n      "id": "xy-edge__s9VfZpvb4P-2vTyjP0Gu9"\n    },\n    {\n      "source": "9RIg65O0YQ",\n      "target": "s9VfZpvb4P",\n      "id": "xy-edge__9RIg65O0YQ-s9VfZpvb4P"\n    },\n    {\n      "source": "2vTyjP0Gu9",\n      "target": "PYK8LjduQ1",\n      "id": "xy-edge__2vTyjP0Gu9-PYK8LjduQ1"\n    }\n  ],\n  "data": {\n    "BMFP3Eov94": {\n      "inputs": {\n        "name": {\n          "type": "text"\n        },\n        "description": {\n          "type": "text",\n          "description": "文件描述"\n        }\n      }\n    },\n    "nCm-ij5I6o": {\n      "model": "qwen3",\n      "outputs": {\n        "text": {\n          "type": "string"\n        }\n      },\n      "systemPrompt": "你是个沙雕"\n    },\n    "9RIg65O0YQ": {\n      "count": 3,\n      "score": 0.75,\n      "knowledgeId": 3585368238960640,\n      "query": "hello world"\n    },\n    "2vTyjP0Gu9": {\n      "type": "python",\n      "content": "code=\\"hello\\"\\nprint(code)"\n    },\n    "s9VfZpvb4P": {\n      "model": "qwen3",\n      "outputs": {\n        "text": {\n          "type": "string"\n        }\n      },\n      "systemPrompt": "你是个聪明人"\n    }\n  }\n}')
+    let initialData = JSON.parse('{\n  "nodes": [\n    {\n      "id": "lurod0PM-J",\n      "type": "parallel-node",\n      "position": {\n        "x": -156,\n        "y": 77\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "ldoKAzHnKF",\n      "type": "llm-node",\n      "position": {\n        "x": 207,\n        "y": -38\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "1eJtMoJWs6",\n      "type": "llm-node",\n      "position": {\n        "x": 207,\n        "y": 172.5\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    }\n  ],\n  "edges": [\n    {\n      "source": "lurod0PM-J",\n      "target": "1eJtMoJWs6",\n      "id": "xy-edge__lurod0PM-J-1eJtMoJWs6"\n    },\n    {\n      "source": "lurod0PM-J",\n      "target": "ldoKAzHnKF",\n      "id": "xy-edge__lurod0PM-J-ldoKAzHnKF"\n    }\n  ],\n  "data": {}\n}')
     let initialNodes = initialData['nodes'] ?? []
     let initialEdges = initialData['edges'] ?? []
 
@@ -278,68 +308,8 @@ function FlowEditor() {
           </Button>
         </Dropdown>
         <Button type="primary" onClick={() => {
-          // let saveData = {nodes, edges, data}
-          // console.log(JSON.stringify(saveData, null, 2))
-
-          const topologicalSort: (nodes: Node[], edges: Edge[]) => void = (nodes, edges) => {
-            const adjacency: Record<string, string[]> = {}
-            const reverseAdjacency: Record<string, string[]> = {}
-            const inDegree: Record<string, number> = {}
-            const nodeMap: Record<string, Node> = {}
-
-            // 初始化所有节点的邻接表和入度
-            for (const node of nodes) {
-              const id = node.id
-              adjacency[id] = []
-              reverseAdjacency[id] = []
-              inDegree[id] = 0
-              nodeMap[id] = node
-            }
-
-            // 填充邻接表并更新入度
-            for (const edge of edges) {
-              const {source, target} = edge
-              adjacency[source].push(target)
-              reverseAdjacency[target].push(source)
-              inDegree[target] = (inDegree[target] || 0) + 1
-            }
-
-            // 使用队列进行拓扑排序
-            const queue = new Queue<string>()
-            const topologicalList: string[] = []
-
-            // 寻找所有入度为0的节点（起点）
-            for (const nodeId in inDegree) {
-              if (inDegree[nodeId] === 0) {
-                queue.enqueue(nodeId)
-              }
-            }
-
-            // 开始处理节点
-            while (queue.size > 0) {
-              const currentNode = queue.dequeue()!
-              topologicalList.push(currentNode)
-
-              // 处理当前节点的所有邻居
-              for (const neighbor of adjacency[currentNode]) {
-                // 减少邻居的入度
-                inDegree[neighbor]--
-
-                // 如果邻居的入度变为0，加入队列
-                if (inDegree[neighbor] === 0) {
-                  queue.enqueue(neighbor)
-                }
-              }
-            }
-
-            // 检查环 - 如果结果数量小于节点数，说明存在环
-            if (topologicalList.length !== nodes.length) {
-              throw new Error('图中存在环，无法完成拓扑排序')
-            }
-
-            console.log(topologicalList)
-          }
-          topologicalSort(nodes, edges)
+          let saveData = {nodes, edges, data}
+          console.log(JSON.stringify(saveData, null, 2))
         }}>
           <SaveFilled/>
           保存

service-web/client/src/pages/ai/flow/node/AmisNode.tsx

@@ -1,9 +1,9 @@
 import {DeleteFilled, EditFilled} from '@ant-design/icons'
-import {Handle, type NodeProps, Position} from '@xyflow/react'
+import {Handle, type HandleProps, type NodeProps, Position, useNodeConnections} from '@xyflow/react'
 import type {Schema} from 'amis'
 import {Card, Dropdown} from 'antd'
-import {isEmpty, isEqual} from 'licia'
-import type {JSX} from 'react'
+import {isEmpty, isEqual, isNil} from 'licia'
+import {type JSX} from 'react'
 import {horizontalFormOptions} from '../../../../util/amis.tsx'
 
 export type AmisNodeType = 'normal' | 'start' | 'end'
@@ -55,15 +55,38 @@ export function outputsFormColumns(editable: boolean = false, required: boolean
   ]
 }
 
-const AmisNode = (
-  props: NodeProps,
-  type: AmisNodeType,
-  defaultNodeName: String,
-  defaultNodeDescription?: String,
-  extraNodeDescription?: (nodeData: any) => JSX.Element,
-  columnSchema?: Schema[],
-) => {
-  const {id, data} = props
+export const LimitHandler = (props: HandleProps & { limit: number }) => {
+  const connections = useNodeConnections({
+    handleType: props.type,
+  })
+  return (
+    <Handle
+      {...props}
+      isConnectable={connections.length < props.limit}
+    />
+  )
+}
+
+type AmisNodeProps = {
+  nodeProps: NodeProps
+  type: AmisNodeType
+  defaultNodeName: String
+  defaultNodeDescription?: String
+  extraNodeDescription?: (nodeData: any) => JSX.Element
+  handlers?: (nodeData: any) => JSX.Element
+  columnSchema?: Schema[]
+}
+
+const AmisNode: (props: AmisNodeProps) => JSX.Element = ({
+  nodeProps,
+  type,
+  defaultNodeName,
+  defaultNodeDescription,
+  extraNodeDescription,
+  handlers,
+  columnSchema,
+}) => {
+  const {id, data} = nodeProps
   const {getDataById, removeNode, editNode} = data
   // @ts-ignore
   const nodeData = getDataById(id)
@@ -133,10 +156,14 @@ const AmisNode = (
           </div>
         </Card>
       </Dropdown>
-      {isEqual(type, 'start') || isEqual(type, 'normal')
-        ? <Handle type="source" position={Position.Right}/> : undefined}
-      {isEqual(type, 'end') || isEqual(type, 'normal')
-        ? <Handle type="target" position={Position.Left}/> : undefined}
+      {isNil(handlers)
+        ? <>
+          {isEqual(type, 'start') || isEqual(type, 'normal')
+            ? <LimitHandler type="source" position={Position.Right} limit={1}/> : undefined}
+          {isEqual(type, 'end') || isEqual(type, 'normal')
+            ? <Handle type="target" position={Position.Left}/> : undefined}
+        </>
+        : handlers?.(nodeData)}
     </div>
   )
 }

service-web/client/src/pages/ai/flow/node/CodeNode.tsx

@@ -2,13 +2,12 @@ import type {NodeProps} from '@xyflow/react'
 import {horizontalFormOptions} from '../../../../util/amis.tsx'
 import AmisNode, {outputsFormColumns} from './AmisNode.tsx'
 
-const CodeNode = (props: NodeProps) => AmisNode(
-  props,
-  'normal',
-  '代码执行',
-  '执行自定义的处理代码',
-  undefined,
-  [
+const CodeNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'normal',
+  defaultNodeName: '代码执行',
+  defaultNodeDescription: '执行自定义的处理代码',
+  columnSchema: [
     {
       type: 'input-kvs',
       name: 'inputs',
@@ -68,6 +67,6 @@ const CodeNode = (props: NodeProps) => AmisNode(
     },
     ...outputsFormColumns(true, true, {result: {type: 'string'}}),
   ],
-)
+})
 
 export default CodeNode

service-web/client/src/pages/ai/flow/node/EndNode.tsx

@@ -1,13 +1,12 @@
 import type {NodeProps} from '@xyflow/react'
 import AmisNode, {outputsFormColumns} from './AmisNode.tsx'
 
-const EndNode = (props: NodeProps) => AmisNode(
-  props,
-  'end',
-  '结束节点',
-  '定义输出变量',
-  undefined,
-  outputsFormColumns(true),
-)
+const EndNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'end',
+  defaultNodeName: '结束节点',
+  defaultNodeDescription: '定义输出变量',
+  columnSchema: outputsFormColumns(true),
+})
 
 export default EndNode

service-web/client/src/pages/ai/flow/node/KnowledgeNode.tsx

@@ -2,13 +2,12 @@ import type {NodeProps} from '@xyflow/react'
 import {commonInfo} from '../../../../util/amis.tsx'
 import AmisNode from './AmisNode.tsx'
 
-const KnowledgeNode = (props: NodeProps) => AmisNode(
-  props,
-  'normal',
-  '知识库',
-  '查询知识库获取外部知识',
-  undefined,
-  [
+const KnowledgeNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'normal',
+  defaultNodeName: '知识库',
+  defaultNodeDescription: '查询知识库获取外部知识',
+  columnSchema: [
     {
       type: 'select',
       name: 'knowledgeId',
@@ -24,7 +23,7 @@ const KnowledgeNode = (props: NodeProps) => AmisNode(
             ...payload,
             data: {
               items: payload.data.items.map((item: any) => ({value: item['id'], label: item['name']})),
-            }
+            },
           }
         },
       },
@@ -53,6 +52,6 @@ const KnowledgeNode = (props: NodeProps) => AmisNode(
       step: 0.05,
     },
   ],
-)
+})
 
 export default KnowledgeNode

service-web/client/src/pages/ai/flow/node/LlmNode.tsx

@@ -1,13 +1,12 @@
 import type {NodeProps} from '@xyflow/react'
 import AmisNode, {outputsFormColumns} from './AmisNode.tsx'
 
-const LlmNode = (props: NodeProps) => AmisNode(
-  props,
-  'normal',
-  '大模型',
-  '使用大模型对话',
-  undefined,
-  [
+const LlmNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'normal',
+  defaultNodeName: '大模型',
+  defaultNodeDescription: '使用大模型对话',
+  columnSchema: [
     {
       type: 'select',
       name: 'model',
@@ -36,6 +35,6 @@ const LlmNode = (props: NodeProps) => AmisNode(
     },
     ...outputsFormColumns(false, true, {text: {type: 'string'}}),
   ],
-)
+})
 
 export default LlmNode

service-web/client/src/pages/ai/flow/node/ParallelNode.tsx

@@ -0,0 +1,19 @@
+import {Handle, type NodeProps, Position} from '@xyflow/react'
+import AmisNode, {LimitHandler} from './AmisNode.tsx'
+
+const ParallelNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'normal',
+  defaultNodeName: '并行节点',
+  defaultNodeDescription: '允许开启并行流程',
+  handlers: () => {
+    return (
+      <>
+        <Handle type="source" position={Position.Right}/>
+        <LimitHandler type="target" position={Position.Left} limit={1}/>
+      </>
+    )
+  },
+})
+
+export default ParallelNode

service-web/client/src/pages/ai/flow/node/StartNode.tsx

@@ -2,13 +2,12 @@ import type {NodeProps} from '@xyflow/react'
 import {horizontalFormOptions} from '../../../../util/amis.tsx'
 import AmisNode from './AmisNode.tsx'
 
-const StartNode = (props: NodeProps) => AmisNode(
-  props,
-  'start',
-  '开始节点',
-  '定义输入变量',
-  undefined,
-  [
+const StartNode = (props: NodeProps) => AmisNode({
+  nodeProps: props,
+  type: 'start',
+  defaultNodeName: '开始节点',
+  defaultNodeDescription: '定义输入变量',
+  columnSchema: [
     {
       type: 'input-kvs',
       name: 'inputs',
@@ -51,6 +50,6 @@ const StartNode = (props: NodeProps) => AmisNode(
       ],
     },
   ],
-)
+})
 
 export default StartNode

service-web/client/src/pages/overview/Queue.tsx

@@ -31,7 +31,7 @@ const queueCrud = (name: string) => {
       {
         name: 'data.flinkJobId',
         label: '任务 ID',
-        width: 190,
+        width: 200,
         ...copyField('data.flinkJobId'),
       },
       {

service-web/client/test.ts

@@ -1,84 +0,0 @@
-type Node = {
-  id: string
-  type: 'start' | 'end' | 'normal'
-}
-
-type Edge = {
-  source: string
-  target: string
-}
-
-// language=JSON
-let data = JSON.parse('{\n  "nodes": [\n    {\n      "id": "A",\n      "type": "start",\n      "position": {\n        "x": 8,\n        "y": 272\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "F",\n      "type": "end",\n      "position": {\n        "x": 1439.5556937134281,\n        "y": 282.2797340760818\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "C",\n      "type": "normal",\n      "position": {\n        "x": 902.6781018665707,\n        "y": 115.31234529524048\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "B",\n      "type": "normal",\n      "position": {\n        "x": 338,\n        "y": 287\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    },\n    {\n      "id": "E",\n      "type": "normal",\n      "position": {\n        "x": 1086.6322978498904,\n        "y": 371.3061114283591\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": true,\n      "dragging": false\n    },\n    {\n      "id": "D",\n      "type": "normal",\n      "position": {\n        "x": 700.0944461714178,\n        "y": 369.84258971430364\n      },\n      "data": {},\n      "measured": {\n        "width": 256,\n        "height": 75\n      },\n      "selected": false,\n      "dragging": false\n    }\n  ],\n  "edges": [\n    {\n      "source": "A",\n      "target": "B",\n      "id": "xy-edge__A-B"\n    },\n    {\n      "source": "B",\n      "target": "C",\n      "id": "xy-edge__B-C"\n    },\n    {\n      "source": "C",\n      "target": "F",\n      "id": "xy-edge__C-F"\n    },\n    {\n      "source": "D",\n      "target": "E",\n      "id": "xy-edge__D-E"\n    },\n    {\n      "source": "B",\n      "target": "D",\n      "id": "xy-edge__B-D"\n    },\n    {\n      "source": "E",\n      "target": "F",\n      "id": "xy-edge__E-F"\n    }\n  ],\n  "data": {\n    "A": {\n      "inputs": {\n        "name": {\n          "type": "text"\n        },\n        "description": {\n          "type": "text",\n          "description": "文件描述"\n        }\n      }\n    },\n    "C": {\n      "model": "qwen3",\n      "outputs": {\n        "text": {\n          "type": "string"\n        }\n      },\n      "systemPrompt": "你是个沙雕"\n    },\n    "B": {\n      "count": 3,\n      "score": 0.75,\n      "knowledgeId": 3585368238960640,\n      "query": "hello world"\n    },\n    "E": {\n      "type": "python",\n      "content": "code=\'hello\'\\nprint(code)"\n    },\n    "D": {\n      "model": "qwen3",\n      "outputs": {\n        "text": {\n          "type": "string"\n        }\n      },\n      "systemPrompt": "你是个聪明人"\n    }\n  }\n}')
-
-// THEN(A, B, WHEN(C, THEN(D, E)), F)
-
-function buildEL(nodes: Node[], edges: Edge[]): string {
-  // Build adjacency list and in-degree map
-  const adjList = new Map<string, string[]>()
-  const inDegree = new Map<string, number>()
-  for (const node of nodes) {
-    adjList.set(node.id, [])
-    inDegree.set(node.id, 0)
-  }
-  for (const edge of edges) {
-    adjList.get(edge.source)!.push(edge.target)
-    inDegree.set(edge.target, inDegree.get(edge.target)! + 1)
-  }
-
-  // Compute levels (longest path from start)
-  const levelMap = new Map<string, number>()
-
-  function computeLevel(nodeId: string): number {
-    if (levelMap.has(nodeId)) return levelMap.get(nodeId)!
-    const preds = edges.filter(e => e.target === nodeId).map(e => e.source)
-    const level = preds.length === 0 ? 0 : Math.max(...preds.map(p => computeLevel(p))) + 1
-    levelMap.set(nodeId, level)
-    return level
-  }
-
-  for (const node of nodes) computeLevel(node.id)
-
-  // Group nodes by level
-  const maxLevel = Math.max(...Array.from(levelMap.values()))
-  const levels: string[][] = Array.from({length: maxLevel + 1}, () => [])
-  for (const node of nodes) levels[levelMap.get(node.id)!].push(node.id)
-
-  // Build EL expression
-  const expressions: string[] = []
-  for (let i = 0; i <= maxLevel; i++) {
-    const nodesAtLevel = levels[i]
-    if (nodesAtLevel.length === 0) continue
-
-    // Identify serial chains starting from this level
-    const serialChains: string[] = []
-    for (const nodeId of nodesAtLevel) {
-      let chain = [nodeId]
-      let current = nodeId
-      while (adjList.get(current)?.length === 1) {
-        const next = adjList.get(current)![0]
-        if (inDegree.get(next) === 1 && levelMap.get(next) === i + chain.length) {
-          chain.push(next)
-          current = next
-        } else break
-      }
-      if (chain.length > 1) {
-        serialChains.push(`THEN(${chain.join(', ')})`)
-        // Remove processed nodes from their levels
-        for (let j = 1; j < chain.length; j++) {
-          const level = levelMap.get(chain[j])!
-          levels[level] = levels[level].filter(n => n !== chain[j])
-        }
-      } else {
-        serialChains.push(nodeId)
-      }
-    }
-
-    // Combine chains or nodes at this level
-    expressions.push(serialChains.length > 1 ? `WHEN(${serialChains.join(', ')})` : serialChains[0])
-  }
-
-  return `THEN(${expressions.join(', ')})`
-}
-
-console.log(buildEL(data.nodes, data.edges))