dsh-sidechat

The main conversation in DeepSeek Harness Web is a single thread. When you need a second model opinion, a code review pass, a translation check, or a quick place to hand off a selected paragraph, you end up opening another window or copying by hand. dsh-sidechat opens a dedicated child session beside the main chat as two resizable, draggable panes. It never overlays the main conversation and keeps the child session out of the official left sidebar, giving you a clean main-thread-plus-side-notes workflow on one screen.

Each side chat can pick its own model and reasoning effort independently, inheriting the main chat model by default and switchable at any time. Create a side chat from the current conversation with selected-text quoting (no auto-send), open the most recent side chat via /sidechat, or pipe content into its draft with /sidechat content. Messages render through a generic timeline covering Markdown, reasoning traces, tool activity, approvals, questions, slash-command lifecycle, and unknown events. Navigation uses compact Codex-style Turn rails: quiet equal ticks when idle, fisheye expansion with a preview card on hover. The header shows parent title, short Session ID, summary, and a live indicator confirming the side chat follows the main chat permissions. Titles auto-generate from the first question; a manual rename takes permanent precedence.

Ideal for developers who regularly use Harness Web for model comparison, code review by a second session, translation passes, or a non-intrusive thinking scratchpad. The plugin relies solely on Harness public Session, Storage, Workspace, and Connection RPC surfaces. MIT licensed. No modifications to the official source.