feat: 工作目录支持页面内目录浏览器

frontend/e2e/dashboard.spec.ts

@@ -73,7 +73,25 @@ test('manages a task and reads a real run log', async ({ page, request }) => {
   })
 
   const workingDir = createVenvFixture()
-  await newTaskDialog.getByLabel(/项目工作目录/).fill(workingDir)
+  const workingDirInput = newTaskDialog.getByLabel(/项目工作目录/)
+  // Cron 预览是异步渲染的，等它稳定后再点击，避免点击坐标在弹窗重排中失效。
+  await expect(newTaskDialog.locator('.cron-run-item').first()).toBeVisible()
+  await newTaskDialog.getByRole('button', { name: '选择文件夹…' }).click()
+  const directoryPicker = page.getByRole('dialog', { name: '选择项目工作目录' })
+  await expect(directoryPicker).toBeVisible()
+  const directoryPathInput = directoryPicker.getByLabel('目录路径')
+  await directoryPathInput.fill(workingDir)
+  await directoryPathInput.press('Enter')
+  await expect(
+    directoryPicker.getByRole('button', { name: '使用此目录' }),
+  ).toBeEnabled()
+  await page.screenshot({
+    path: 'test-results/dashboard-directory-picker.png',
+    fullPage: true,
+  })
+  await directoryPicker.getByRole('button', { name: '使用此目录' }).click()
+  await expect(directoryPicker).toBeHidden()
+  await expect(workingDirInput).toHaveValue(workingDir)
   await expect(
     newTaskDialog.locator('.env-status-badge.ok code'),
   ).toHaveText('.venv\\Scripts\\python.exe')