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/src/providers/openai-codex.models.ts

@@ -0,0 +1,8 @@
+// This file is auto-generated by scripts/generate-models.ts
+// Do not edit manually - run 'npm run generate-models' to update
+
+import values from "./data/openai-codex.json" with { type: "json" };
+import { flattenModelCatalog, type ModelCatalog } from "../model-catalog.ts";
+
+export const OPENAI_CODEX_MODELS: ModelCatalog<typeof values, "openai-codex"> =
+	flattenModelCatalog("openai-codex", values);