Model-facing view_image tool over the DeepSeek Harness vision seam (ctx.vision): reads an image file, commits its bytes durably, and returns a text description from an external vision provider.
Vision capability seam for DeepSeek Harness: a provider registry with auto-selecting describe() execution, letting a text-only model 'understand' an image.
Vision capability for DeepSeek Harness: lets a text-only model "understand" an image by routing to an external OpenAI-compatible multimodal API. Built as a standalone dsh-plugin from the official vision capability seam proposal.