feat(ui): complete drainage workbench style migration

tests/browser/agent-streaming-stability.e2e.ts

@@ -403,34 +403,9 @@ test("stream completion and the plan card remain positionally stable", async ({
   await progressToggle.click();
   await expect(page.getByRole("list", { name: "最近执行进度" }).locator("li")).toHaveCount(3);
 
-  await page.evaluate(() => {
-    const state = window as typeof window & { __agentFailureMotionObserved?: boolean };
-    const startedAt = performance.now();
-    state.__agentFailureMotionObserved = false;
-
-    const sample = () => {
-      const badge = document.querySelector<HTMLElement>('[data-progress-status="error"]');
-      if (badge && getComputedStyle(badge).transform !== "none") {
-        state.__agentFailureMotionObserved = true;
-      }
-      if (!state.__agentFailureMotionObserved && performance.now() - startedAt < 1_000) {
-        requestAnimationFrame(sample);
-      }
-    };
-
-    requestAnimationFrame(sample);
-  });
   triggerProgressFailure();
   await expect(liveProgress.getByText("液位连续性核对失败", { exact: true })).toBeVisible();
-  await expect
-    .poll(() =>
-      page.evaluate(
-        () =>
-          (window as typeof window & { __agentFailureMotionObserved?: boolean })
-            .__agentFailureMotionObserved ?? false
-      )
-    )
-    .toBe(true);
+  await expect(page.locator('[data-progress-status="error"]')).toHaveCSS("transform", "none");
   resumeStream();
 
   await expect(
@@ -438,7 +413,7 @@ test("stream completion and the plan card remain positionally stable", async ({
   ).toBeVisible({
     timeout: 10_000
   });
-  await expect(progressToggle).toContainText("共 4 条");
+  await expect(progressToggle.locator("../..")).toContainText("步骤4/4");
   await expect(page.getByRole("list", { name: "最近执行进度" })).toHaveCount(0);
   await expect(
     page.getByText("溢流风险判断完成", { exact: true }).filter({ visible: true })
@@ -528,20 +503,20 @@ test("stream completion and the plan card remain positionally stable", async ({
     .getByRole("button", { name: /执行进度/ })
     .filter({ visible: true })
     .last();
-  const latestProgressRegion = latestProgressToggle.locator("..");
+  const latestProgressRegion = latestProgressToggle.locator("../..");
   const latestExpandedProgress = latestProgressRegion.getByRole("list", {
     name: "全部执行进度",
   });
-  await expect(latestProgressToggle).toContainText("最近 3 条");
+  await expect(latestProgressToggle.locator("../..")).toContainText("最近3/3");
   triggerProgressAppend();
   await expect(
     page.getByRole("list", { name: "最近执行进度" }).getByText("正在判断溢流风险", { exact: true })
   ).toBeVisible();
   await latestProgressToggle.click();
-  await expect(latestProgressToggle).toContainText("全部 4 条");
+  await expect(latestProgressToggle.locator("../..")).toContainText("全部4/4");
   resumeStream();
 
-  await expect(latestProgressToggle).toContainText("全部 4 条", { timeout: 10_000 });
+  await expect(latestProgressToggle.locator("../..")).toContainText("全部4/4", { timeout: 10_000 });
   await expect(latestExpandedProgress).toBeVisible();
   await expect(
     latestExpandedProgress.getByText("溢流风险判断完成", { exact: true })