style(admin): unify dialog layouts and dense readonly presentation

src/modules/dashboard/pages/DashboardView.test.ts

@@ -48,7 +48,7 @@ describe('DashboardView', () => {
     const wrapper = mount(DashboardView)
     await flushPromises()
 
-    expect(wrapper.text()).toContain('核心指标来自实时业务数据')
+    expect(wrapper.find('.dashboard-context > p').exists()).toBe(false)
     expect(wrapper.text()).toContain('数据更新时间：2026-09-11 12:00')
     expect(wrapper.findAll('.dashboard-metric')).toHaveLength(4)
     expect(wrapper.findAll('.dashboard-metric p').map(label => label.text())).toEqual(['今日新运单', '在途柜量', '活跃客户', '待清关票数'])
@@ -77,7 +77,7 @@ describe('DashboardView', () => {
     await wrapper.findAll('button').find(button => button.text().trim() === '刷新数据')!.trigger('click')
     await flushPromises()
     expect(getTodayNewOrderCount).toHaveBeenCalledTimes(2)
-    expect(wrapper.text()).toContain('核心指标来自实时业务数据')
+    expect(wrapper.find('.dashboard-context > p').exists()).toBe(false)
     expect(wrapper.text()).toContain('12 票')
   })