dsh-chat-history

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ChatGPT-style conversation-history rail for the DeepSeek Harness web GUI. A thin strip of horizontal bars sits at the transcript's right edge, one bar per user message; hovering it opens a panel listing every user message, and clicking a row scrolls the transcript to that message. The active bar follows the scroll position until the panel takes over (click-lock), matching the familiar ChatGPT sidebar.

Features

• Rail: one horizontal bar per user message on the transcript's right edge, always visible while the session holds at least two user messages.
• Hover panel: lists every user message as a numbered, single-line preview; click to jump.
• Scroll sync: the active bar tracks the first user message at or below the scrollport's top edge; the highlight follows the reader and pins after a jump.
• Click-lock: while the panel is open, auto-sync pauses; closing the panel resumes following.
• Bar-press jump: pressing the rail itself jumps to the nearest bar, so the gaps between dots still navigate.
• Derived entirely from the session's chat snapshot (user/steering nodes), styled with design tokens only.

Requirements

• A DeepSeek Harness web profile (the GUI). The rail registers into the conversation.session.header.actions seat — a long-standing session-header action slot that every released @deepseek-ai/dsh-client-ui-conversation ships — so the plugin works with any published ui-conversation and needs no upstream slot changes. The rail itself renders position: fixed against the transcript scrollport, so it does not occupy the header's layout.

Install

In the profile you run the GUI from (e.g. ~/.dsh/profiles/web), add the bundle and install it:

# from the profile directory, from the npm registry
pnpm add @ttmouse/dsh-chat-history

or, as a GitHub-source dependency:

pnpm add @ttmouse/dsh-chat-history@github:ttmouse/dsh-chat-history

or, using the dsh plugin channel once available:

dsh plugin --profile web add @ttmouse/dsh-chat-history

Then list the bundle in dsh.profile.bundles (the dsh plugin add flow does this for you):

{
  "dsh": {
    "profile": {
      "bundles": ["@deepseek-ai/dsh-base", "@deepseek-ai/dsh-web-app", "@ttmouse/dsh-chat-history"]
    }
  }
}

Restart dsh web and refresh the browser. The rail appears at the right edge of the active conversation.

Development

pnpm install
pnpm build     # tsc (lib/types + node half) + tsdown (lib/client.js browser bundle)
pnpm test      # vitest, jsdom

The browser bundle is a window.__ModuleLoader__.load handoff with CSS Modules inlined as a plugin-tagged <style>; externals (react, @deepseek-ai/dsh-client-runtime/client, …) resolve through the DSH loader module table.

License

MIT