dsh-sight: Plug-and-Play Visual Capabilities for Text-Only DSH Models

dsh-sight is an MIT-licensed plugin designed for DSH (DeepSeek Harness) text-only models, aiming to endow them with image understanding capabilities through a built-in VLM backend. By wrapping the prompt admission process, the plugin automatically saves pasted images as local-path prompts and allows the model to invoke the `vision` tool. This tool supports passing in up to 10 local paths or URLs at a time, with the backend VLM generating individually annotated text descriptions. The plugin offers free presets such as `opencode-zen` and `gemini-flash`, and also supports connecting to any OpenAI-compatible endpoint. Users can configure it via the web settings page or environment variables (which take precedence over the configuration file), and it supports