@mars.liu/dsh-rich-editor

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Third-party DeepSeek Harness web plugin: a rich Markdown notebook for the composer region. Its browser half contributes two entries to the composer region that dsh-client-ui-conversation owns: a tool-row toggle (conversation.input.left) and an editor card in the composer context stack (conversation.input.dock). Both entries share one per-session store handle, so the in-progress draft survives closing and reopening the panel, surface remounts, and — because the engine scopes session stores by session id — each session keeps its own notebook.

The editor is a CodeMirror 6 instance over the Markdown language: syntax highlighting for the draft (GFM tables included), native undo/redo and selection, and Enter-key list editing in the Codex style — pressing Enter on a non-empty list item opens the next item (ordered markers increment 1. → 2., checkbox items reopen unchecked, indentation is preserved, and a mid-line caret splits the item), while Enter on an empty item drops the marker and returns the line to plain-text editing. Enter on a non-list line falls through to a plain newline. Mod+Enter submits.

Submission rides the scope-addressed conversation service's send verb — the same path the plain composer's submit rides — so adjudication, queueing, and prompt-error reporting behave exactly like a typed prompt. A failed send surfaces on the session's composer notice channel and the panel keeps its draft.

Install

dsh plugin --profile web add @mars.liu/dsh-rich-editor

The package carries its own bundle patch (cordis.patch.yml adds the ui-rich-editor row); list the bundle in the profile's dsh.profile.bundles if you compose profiles by hand. From a checkout:

pnpm install && pnpm run build && pnpm test

Requires the dsh family at >=0.0.1-rc.1 (published on npm) and a dsh web composition that mounts dsh-client-ui-conversation.

Development notes

The npm 0.0.1-rc.1 dsh snapshot ships browser loader bundles only — its node halves export almost nothing, and several pre-rename dependency names (dsh-compact, dsh-user-interaction, dsh-type-meta, dsh-client-ui-slash) were never published. This repo works around both:

• package.json > overrides points the missing names at empty stubs under vendor/stubs/ (nothing in this plugin's surface imports them);
• vitest.config.ts aliases @deepseek-ai/dsh-client-runtime/client and .../dsh-client-locale/client onto a local harness checkout's TypeScript sources (DSH_CHECKOUT, default ../deepseek-harness) and inlines all @deepseek-ai/dsh-client-* packages, mirroring how in-repo dsh tests reach client APIs.

Drop both workarounds when the dsh family republishes a complete, installable closure.

Known Limitations and Deferred Work

• Ordered renumbering is deferred — continuing an ordered list increments the new item's marker, but editing or removing earlier items does not renumber the following ones.
• No / and @ trigger integration yet — the notebook does not participate in the slash-command and file-mention pipeline; those gestures belong to the plain composer below it.
• Draft is session-lifetime only — the store keeps the draft across remounts and tab switches, but a full page reload discards it (no persistence key).
• No attachment intake — pasting or dropping images into the notebook is not wired to the session's image attachment path.
• The browser bundle inlines ~268 kB gzip of CodeMirror — @codemirror/lang-markdown statically depends on @codemirror/lang-html (which pulls the JavaScript and CSS parsers) even with embedded code highlighting off (codeLanguages: []), and the client bundler inlines the whole chain; a deferred trim would split the editor mount behind a dynamic import.

License

MIT