dsh-owui-chat2api: Integrating Open WebUI Models into DeepSeek Harness

dsh-owui-chat2api is a DeepSeek Harness plugin that exposes local Open WebUI models as a standard OpenAI-compatible API. Implemented via a reverse proxy, it offers proxy controls, usage and cost statistics, cache tracking, model management, and log themes. Installation requires the DSH CLI; after installing, you must restart, then log in, configure it, and run dependency checks. It supports local data storage and network isolation.