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/chord/src/node.ts

@@ -0,0 +1,24 @@
+export type {
+	FacetBundleArtifactLoaderOptions,
+	FacetBundleExternalResolver,
+	FacetBundleLoaderOptions,
+} from "./node/bundle-loader.ts";
+export {
+	createFacetBundleArtifactLoader,
+	createFacetBundleLoader,
+	readFacetBundleArtifact,
+	readFacetBundleManifest,
+} from "./node/bundle-loader.ts";
+export type {
+	FacetBundleArtifact,
+	FacetBundleEntry,
+	FacetBundleManifest,
+	FacetBundlePlugin,
+} from "./node/manifest.ts";
+export {
+	FACET_BUNDLE_ARTIFACT_FORMAT,
+	FACET_BUNDLE_ARTIFACT_FORMAT_VERSION,
+	FACET_BUNDLE_FORMAT,
+	FACET_BUNDLE_FORMAT_VERSION,
+	FACET_BUNDLE_MANIFEST_FILE,
+} from "./node/manifest.ts";