fix: 修复审批详情路由缓存卡住

- 关闭审批管理菜单的不安全页面缓存

- 增加审批隐藏详情路由的缓存回归测试

easyflow-ui-admin/app/src/router/__tests__/route-cache-safety.test.ts

@@ -37,4 +37,12 @@ describe('route cache safety', () => {
 
     expect(unrelatedRoute.meta?.keepAlive).toBe(true);
   });
+
+  it('disables stale approval menu caching before opening hidden details', () => {
+    const approvalRoute = createRoute('/sys/approval');
+
+    disableUnsafeMenuRouteCaching([approvalRoute]);
+
+    expect(approvalRoute.meta?.keepAlive).toBe(false);
+  });
 });

easyflow-ui-admin/app/src/router/route-cache-safety.ts

@@ -7,6 +7,7 @@ const UNSAFE_KEEP_ALIVE_MENU_PATHS = new Set([
   '/ai/skill',
   '/ai/workflow',
   '/dashboard/workspace',
+  '/sys/approval',
   '/sys/sysAccount',
 ]);