fix(flow-design): 取消路由节点仅可添加到条件分支的限制

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
      */

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);
+    });
+});