OpenAI Codex
Copyright 2025 OpenAI

This package includes a TypeScript adaptation of the patch parser, context
matching, and text update algorithms in OpenAI Codex, and its apply_patch
Lark grammar, under the Apache License, Version 2.0.

Source: https://github.com/openai/codex
Revision: 4eb4a65407d98cebc4c83bf13be440b9fbc78a7c (2026-10-16)
Files: codex-rs/apply-patch/src/{parser,streaming_parser,file_update,
       text_file,seek_sequence}.rs
       codex-rs/core/assets/tools/apply_patch.lark

Modifications: TypeScript implementation for Pi, complete-input parsing,
explicit input validation, BOM preservation, filesystem preflight and mutation
queues, exclusive destination creation, and partial failure reporting.

Pi integration and modifications
Copyright 2026 ZhenHuangLab