Attach an image to the DeepSeek Harness composer and the session model switches itself to a vision model — then restores your previous model when the image is removed. Material Design 3 button, native file picker, thumbnails. MIT.
What will your agent's context cost before it runs? Audit instruction files, skills, MCP tool schemas and memory per source — with duplication, always-on versus on-demand costs, and a budget you can enforce in CI. Reads files and nothing else.
