dsh-vision-helper: Persistent Vision Plugin for DeepSeek Harness

dsh-vision-helper is a zero-dependency persistent vision plugin built for DSH, designed to integrate image analysis capabilities non-intrusively. It registers the `vision_analyze` tool, supports local path or data: URI inputs, and returns analysis text via a configured multimodal model. The plugin allows customization of provider, model, temperature, max output tokens, and image dimensions, with configurations taking effect immediately without requiring a restart and featuring a dedicated Web settings interface. Its core advantages include zero additional dependencies, global availability, persistent storage, and robust mechanisms such as automatic handling of invisible characters and deduplication. Installation supports npm, GitHub, or manual copying, and requires model routes or compatible endpoints to be pre-configured within llm-pi-ai. Users can configure it via the Web settings page or JS...