dsh-codex-harness: Coding mode providing customizable prompts and Codex tools for DSH

`shuind/dsh-codex-harness` is an MIT-licensed plugin for DSH, designed to provide customizable Codex-style coding presets for web-based Agent sessions. It is not a standalone tool but an extension of the DSH plugin ecosystem. Its core features include using concise Codex prompts, providing tools such as `exec_command` and `apply_patch`, and supporting Fast requests, GPT image processing, thought intensity adjustment, and context capacity control (1K–1000K tokens). This plugin allows users to view, edit, or restore full prompts in settings in real time, and prioritizes the use of native `apply_patch`, hosted `web_search`, and remote compression, and on failure...