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/ai/vitest.config.ts

@@ -0,0 +1,17 @@
+import { fileURLToPath } from "node:url";
+import { defineConfig } from "vitest/config";
+
+const telemetrySrcIndex = fileURLToPath(new URL("../telemetry/src/index.ts", import.meta.url));
+
+export default defineConfig({
+	test: {
+		globals: true,
+		environment: "node",
+		testTimeout: 30000, // 30 seconds for API calls
+		reporters: process.env.GITHUB_ACTIONS ? ["dot", "github-actions"] : ["dot"],
+		silent: "passed-only",
+	},
+	resolve: {
+		alias: [{ find: /^@earendil-works\/pi-telemetry$/, replacement: telemetrySrcIndex }],
+	},
+});