test: stabilize steering mid-turn snapshot

apps/web/tests/steering.e2e.ts

@@ -354,10 +354,10 @@ describe('web e2e: empty-draft Cmd+Enter steers the whole queue', () => {
       { timeout: 10_000 },
     ).toBe(2)
     expect(await page.locator('[data-queue-dock]').count()).toBe(0)
-    // The reasoning row streams independently of the steering handoff; wait
-    // for it so the mid snapshot pins the assistant step, not the pre-render
-    // gap a fast machine can catch between steering acceptance and the block.
-    await page.locator('[data-variant="think"]').first().waitFor({ timeout: 10_000 })
+    // The reasoning row streams independently of the steering handoff. Wait
+    // for the block to settle so the mid snapshot does not race its transient
+    // visually-hidden Running label while the question keeps the turn open.
+    await page.locator('[data-variant="think"][data-state="ok"]').first().waitFor({ timeout: 10_000 })
     const mid = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
     await compareOrRefreshGolden(STEER_ALL_MID, mid, MODE)