feat(packages): Add selective pi-ai base entrypoints (#5348)

packages/ai/test/openai-codex-cache-affinity-e2e.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
+import { complete } from "../src/index.ts";
 import { getModel } from "../src/models.ts";
-import { complete } from "../src/stream.ts";
 import type { Context } from "../src/types.ts";
 import { resolveApiKey } from "./oauth.ts";