feat(ai): add OpenAI Codex OAuth + responses provider

packages/ai/scripts/copy-assets.js

@@ -0,0 +1,28 @@
+import { copyFileSync, mkdirSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const packageRoot = join(__dirname, "..");
+
+const source = join(
+	packageRoot,
+	"src",
+	"providers",
+	"openai-codex",
+	"prompts",
+	"codex-instructions.md",
+);
+const destination = join(
+	packageRoot,
+	"dist",
+	"providers",
+	"openai-codex",
+	"prompts",
+	"codex-instructions.md",
+);
+
+mkdirSync(dirname(destination), { recursive: true });
+copyFileSync(source, destination);
+console.log(`[pi-ai] Copied ${source} -> ${destination}`);