fix: redirect after setup and remove redundant breadcrumbs

frontend/e2e/setup-wizard.e2e.ts

@@ -11,7 +11,9 @@ test('first-run wizard tests MySQL, creates the administrator and stays responsi
           data: {
             required: !completed,
             locked: completed,
-            ready: completed,
+            // Production status is locked after setup; readiness is not the
+            // completion signal used by the redirect flow.
+            ready: false,
             supportedDatabaseTypes: ['MYSQL'],
             message: completed ? '系统已完成安装' : '请完成安装',
           },
@@ -69,6 +71,8 @@ test('first-run wizard tests MySQL, creates the administrator and stays responsi
   await expect(page.getByText('安装完成', { exact: true })).toBeVisible();
   await expect(page.getByText('安装完成，系统正在切换到正式模式')).toBeVisible();
 
+  await expect(page).toHaveURL(/\/login$/, { timeout: 15_000 });
+
   const layout = await page.evaluate(() => ({
     clientWidth: document.documentElement.clientWidth,
     scrollWidth: document.documentElement.scrollWidth,
@@ -128,8 +132,8 @@ test('confirms completion after the setup response is interrupted by a service r
   await page.getByRole('button', { name: '完成安装' }).click();
   await page.getByRole('button', { name: '确定', exact: true }).click();
 
-  await expect(page.getByText('连接暂时中断，正在确认安装结果。')).toBeVisible();
   await expect(page.getByText('安装完成', { exact: true })).toBeVisible();
   await expect(page.getByText('安装已完成，系统正在切换到正式模式')).toBeVisible();
   await expect(page.getByText('网络请求失败')).toHaveCount(0);
+  await expect(page).toHaveURL(/\/login$/, { timeout: 15_000 });
 });