test(web): expect the 12px reply gap in seeded history

The seeded-history check measured the folded final answer 16px below the Turn control. Hidden process rows separate the two, so the answer now keeps the 12px reply gap.

apps/web/tests/seeded-history.e2e.ts

@@ -381,7 +381,8 @@ describe('web e2e: seeded history renders through cold resume', () => {
     const processBottom = await process.evaluate(element => element.getBoundingClientRect().bottom)
     const answerTop = await page.getByText('DONE', { exact: true }).evaluate(element =>
       element.getBoundingClientRect().top)
-    expect(answerTop).toBe(processBottom + 16)
+    // Hidden process rows separate the folded control from the answer, so it keeps the 12px reply gap.
+    expect(answerTop).toBe(processBottom + 12)
     expect(await page.getByText('Context compacted', { exact: true }).count()).toBe(0)
     // Tool cards render from logged tool/call + tool/result alone (views are
     // host-recomputed per page; the generic card is the documented default).