ci: keep codex review runner compatibility stub

Co-Authored-By: Codex <noreply@openai.com>

Author: Pigbibi

python/scripts/run_codex_pr_review.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+"""Deprecated compatibility entrypoint for the centralized Codex PR review workflow.
+
+This repository now delegates PR review to
+QuantStrategyLab/AIAuditBridge/.github/workflows/codex_pr_review.yml.
+The local runner is intentionally kept as a tiny stub so old links fail clearly
+without reintroducing copied review logic.
+"""
+
+from __future__ import annotations
+
+import sys
+
+
+def main() -> int:
+    print(
+        "Local Codex PR review runner has moved to "
+        "QuantStrategyLab/AIAuditBridge reusable workflow.",
+        file=sys.stderr,
+    )
+    return 2
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())