Laplace-bit/dsh-smooth-stream
Silky streaming reveal for the Web UI: text appears at the model's arrival rate, new lines glide in, no flicker; follow stays with the user and prefers-reduced-motion is respected.
Install
via npm
Resolves a published tarball rather than cloning the repository, and installs without any extra setup. Swap `web` for your profile name if you run another one.
via GitHub · npm package
Installing from GitHub runs the project's build script, which pnpm blocks until you allowlist it — run the command once and pnpm prints the exact key to add under `allowBuilds` in ~/.dsh/profiles/web/pnpm-workspace.yaml.
What happened when we ran it
Installed cleanly when we ran it
Every command here is run in a throwaway container against a clean profile, and the result is whatever the harness recorded — not a guess from the source. Last run 6d ago.
Due diligence
What it is — dsh-smooth-stream provides smooth streaming in the DeepSeek Harness Web UI.
Who it is for — Users who interact with models in the DeepSeek Harness Web UI and want to avoid flickering text with scrolling follow benefit from this plugin. Users who do not use the Web UI of DeepSeek Harness do not need to install it because it is a community plugin for that interface.
Watch out — Sandbox test passed: installed in a new profile and registered by harness. No obvious issues found.
The verdict — Using the DeepSeek Harness Web UI I would install it because it provides scrolling follow with the user.
Generated by grok-4.6, and a starting point rather than a verdict. Where it says a plugin installs or does not, that is from a real run in a clean profile — everything else is read off the repository. Trust the source over this.
dsh-smooth-stream is a DeepSeek Harness plugin that changes how the Web UI reveals streamed replies, Markdown, code blocks, tables and tool results.
DeepSeek Harness loads dsh-smooth-stream in the web profile. When Smooth stream rendering is enabled, dsh-smooth-stream takes over the rendering and follow behaviour for replies and tool rows. It adjusts the reveal pace according to the model's arrival rate and the amount of content waiting to be shown, while applying continuous transitions as content grows. The plugin stores user preferences, including the rendering and thinking-block settings, in DeepSeek Harness's user settings document. Profile-level pacing is configured in cordis.patch.yml with preset: realtime, balanced (the default), or silky.
This is intended for developers who want a steadier streaming presentation in the DeepSeek Harness Web UI without replacing the underlying response or tool functionality. It is a poor fit when the built-in rendering should remain fully in control, or when reduced motion is required: with prefers-reduced-motion, dsh-smooth-stream displays complete text directly and does not take over scrolling. The user can also disable the plugin's rendering control from Settings → Plugins → Plugin configuration.
DeepSeek Harness reads the pacing preset from the web profile's cordis.patch.yml. The combined package uses balanced by default.
preset |
Behaviour |
|---|---|
realtime |
Follows model arrival more closely |
balanced |
Default pacing |
silky |
Uses more buffering and catches up more slowly |
Older profile fields, including mode, revealCharsPerSec, scrollSpeedPxPerSec and maxScrollSpeedPxPerSec, can still be loaded for compatibility. The current adaptive engine uses only preset to change pacing.
DeepSeek Harness exposes a Smooth stream card under Settings → Plugins → Plugin configuration. Enable smooth stream rendering is on by default. When enabled, dsh-smooth-stream controls reply and tool-row rendering and follow behaviour; when disabled, DeepSeek Harness uses its built-in rendering again.
Automatically expand thinking controls whether thinking blocks open during streaming. When enabled, blocks expand while output is streaming and collapse after thinking ends. When disabled, they stay collapsed unless opened manually. These are user-level persistent preferences, take effect immediately and are written to DeepSeek Harness's user settings document rather than the plugin's profile configuration.
DeepSeek Harness starts the Web UI with pnpm dsh web. The plugin can be removed with dsh plugin --profile web remove dsh-smooth-stream or updated with dsh plugin --profile web update dsh-smooth-stream. dsh plugin --profile web outdated checks for newer versions. The update command applies to npm installations declared by the profile and prompts for a DeepSeek Harness restart.
DeepSeek Harness should show [dsh-smooth-stream] plugin loaded! in the Host log after loading the plugin. With reduced-motion preferences enabled, dsh-smooth-stream displays complete text and does not take over follow scrolling. If frame rate falls below 30 fps while a reply is off-screen, revealing pauses and resumes when conditions allow.
Written from the project's own documentation and kept in sync with it. Where the two disagree, the source is authoritative — read the README on GitHub
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