mindcarver/dsh-codex-canvas

Install

agent ──▶ image_gen(prompt, file_name)          (model-facing tool)
              │
              ├── ctx.subprocess ──▶ codex exec -C <workspace> -s workspace-write ...
              │                          └─ gpt-image-2 ──▶ <workspace>/images/<file_name>
              └── ctx.jobs (background by default) ──▶ collect with job_output / job_kill

Web UI ──▶ tool.call.toolview (key: image_gen)  (browser half, exports["./client"])
              └── block.meta (output.presentationMeta) ──▶ poll /codex-canvas RPC ──▶ inline image

Add mindcarver/dsh-codex-canvas to your DSH config (web profile) to enable.