chore(vendor): import pi 0.85.1

Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477

third_party/pi/packages/evals/src/vitest-evals/setup.ts

@@ -0,0 +1,8 @@
+import { afterEach } from "vitest";
+import type {} from "vitest-evals";
+import { recordEvalSessionArtifact } from "./artifacts.ts";
+
+afterEach(async ({ task }) => {
+	const run = task.meta.harness?.run;
+	if (run) await recordEvalSessionArtifact(task, run);
+});