From 1349f2f2f7c3e2b0d971104d26c8437f778b5e08 Mon Sep 17 00:00:00 2001
From: lorne <1991wangliang@gmail.com>
Date: Thu, 22 Oct 2026 18:13:32 +0800
Subject: [PATCH] =?UTF-8?q?fix(flow-design):=20=E5=8F=96=E6=B6=88=E8=B7=AF?=
 =?UTF-8?q?=E7=94=B1=E8=8A=82=E7=82=B9=E4=BB=85=E5=8F=AF=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E5=88=B0=E6=9D=A1=E4=BB=B6=E5=88=86=E6=94=AF=E7=9A=84=E9=99=90?=
 =?UTF-8?q?=E5=88=B6=EF=BC=88codingapi/flow-engine#230=EF=BC=89?=
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路由节点不再要求必须位于条件分支（含 else 分支）内，可在主流程、
条件分支等任意可添加节点处添加。后端已通过 9 种摆放松弛场景的
单元测试验证（主流程、条件节点前后、跳转结束节点、分支首节点等）。

Refs: https://github.com/codingapi/flow-engine/issues/230

Co-Authored-By: Claude Code <noreply@anthropic.com>
---
 .../design-editor/nodes/router/index.ts          | 12 ++----------
 .../design-editor/nodes/router.test.ts           | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 10 deletions(-)
 create mode 100644 packages/flow-design/tests/components/design-editor/nodes/router.test.ts

diff --git a/packages/flow-design/src/components/design-editor/nodes/router/index.ts b/packages/flow-design/src/components/design-editor/nodes/router/index.ts
index 80416c2..f033bf7 100644
--- a/packages/flow-design/src/components/design-editor/nodes/router/index.ts
+++ b/packages/flow-design/src/components/design-editor/nodes/router/index.ts
@@ -13,16 +13,8 @@ export const RouterNodeRegistry: FlowNodeRegistry = {
         icon: 'ROUTER',
         description: '路由节点',
     },
-    canAdd(ctx, from) {
-        // 上级节点是 CONDITION_BRANCH 则可以添加 ROUTER 节点
-        while (from.parent) {
-            if (from.parent.flowNodeType === 'CONDITION_BRANCH'|| from.parent.flowNodeType === 'CONDITION_ELSE_BRANCH') {
-                return true;
-            }
-            from = from.parent;
-        }
-        return false;
-    },
+    // 路由节点不限制摆放位置（issue #230）：可添加在主流程、条件分支等任意可添加节点处。
+    // canAdd 缺省即为允许，因此不再实现该方法。
     /**
      * Render node via formMeta
      */
diff --git a/packages/flow-design/tests/components/design-editor/nodes/router.test.ts b/packages/flow-design/tests/components/design-editor/nodes/router.test.ts
new file mode 100644
index 0000000..ea33a99
--- /dev/null
+++ b/packages/flow-design/tests/components/design-editor/nodes/router.test.ts
@@ -0,0 +1,16 @@
+import {describe, expect, it} from '@rstest/core';
+import {RouterNodeRegistry} from '@/components/design-editor/nodes/router';
+
+describe('RouterNodeRegistry', () => {
+    it('路由节点不再限制只能添加到条件分支下（issue #230）', () => {
+        // 节点列表以 registry.canAdd?.(...) ?? true 判断是否可添加，
+        // 未实现 canAdd 即表示任意可添加节点处均可添加路由节点
+        expect(RouterNodeRegistry.canAdd).toBeUndefined();
+    });
+
+    it('路由节点其余能力限制应保持不变', () => {
+        expect(RouterNodeRegistry.meta?.copyDisable).toBe(true);
+        expect(RouterNodeRegistry.meta?.addDisable).toBe(false);
+        expect(RouterNodeRegistry.meta?.expandable).toBe(false);
+    });
+});
\ No newline at end of file