refactor: remove manual refresh and search controls

frontend/e2e/mobile-ui.spec.ts

@@ -161,7 +161,6 @@ test('settings match the approved paper-ledger geometry and action hierarchy', a
     const sectionHeaders = [...page.querySelectorAll<HTMLElement>('.settings-group > header')]
     const rows = [...page.querySelectorAll<HTMLElement>('.settings-row')]
     const menu = main.querySelector<HTMLElement>('.topbar > .icon')!.getBoundingClientRect()
-    const refresh = main.querySelector<HTMLElement>('.settings-refresh')!.getBoundingClientRect()
     const rect = page.getBoundingClientRect()
     const mainRect = main.getBoundingClientRect()
     return {
@@ -171,7 +170,7 @@ test('settings match the approved paper-ledger geometry and action hierarchy', a
       headingSize: getComputedStyle(heading).fontSize,
       sectionHeights: sectionHeaders.map(header => header.getBoundingClientRect().height),
       rowHeights: rows.map(row => row.getBoundingClientRect().height),
-      controlsOverlap: !(menu.right <= refresh.left || refresh.right <= menu.left || menu.bottom <= refresh.top || refresh.bottom <= menu.top),
+      menuWidth: menu.width,
     }
   })
   expect(layout.bodyOverflow).toBe(0)
@@ -188,7 +187,8 @@ test('settings match the approved paper-ledger geometry and action hierarchy', a
   }
   expect(layout.sectionHeights.every(height => height === 44)).toBeTruthy()
   expect(layout.rowHeights.every(height => height >= (isMobileContract ? 64 : 62))).toBeTruthy()
-  expect(layout.controlsOverlap).toBe(false)
+  expect(layout.menuWidth).toBeGreaterThanOrEqual(44)
+  await expect(page.getByRole('button', { name: /刷新|搜索/ })).toHaveCount(0)
 
   const exportButton = page.getByRole('button', { name: '导出 ZIP' })
   const fileInput = page.locator('input[type=file]')