dsh-force-motion
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Keep DeepSeek Harness (dsh) UI animations
running even when the browser reports prefers-reduced-motion: reduce.
The problem
dsh honours the reduced-motion preference in two places, so on a machine whose OS/browser
reports it, every effect is frozen:
-
CSS — each animated element carries a guard:
@media (prefers-reduced-motion: reduce) {
.turnStatus { background-position: 0 0; background-size: 100% 100%; animation: none }
}
Seven rules like this cover the "深度求索中…" status shimmer, command-row sweep, turn mark,
reasoning-row sweep and retry shimmer. The status line ends up as a static gradient — it
looks like a glow that never moves.
-
JS — some renderers call matchMedia("(prefers-reduced-motion: reduce)").matches and take
a static branch.
What this plugin does
Nothing under node_modules is touched. A small script injected into the served index page:
- wraps
matchMedia so the reduced-motion query never reports a match, and
- deletes
prefers-reduced-motion rules from every same-origin stylesheet (re-running when new
<style>/<link> nodes appear), so the base animation declarations win again.
Result: all animations play, with no dependency on dsh's hashed class names or keyframe names, so
it keeps working across upgrades.
Install
dsh plugin --profile web add github:maxesisnclaw/dsh-force-motion
Manual install: copy this directory into <dsh-install>/plugins/ and add to
$DSH_HOME/cordis.patch.yml:
- insert:
- id: force-motion
name: /absolute/path/to/dsh-force-motion/index.js
Then restart dsh.
Opt out / trade-off
This deliberately overrides an accessibility preference. It is meant for a workstation whose
owner wants the animations (e.g. the OS reduced-motion flag is set for unrelated reasons).
Uninstall the plugin, or set window.__dshForceMotion = false before the app boots, to restore
the standard behaviour.
Verify
- The status line while the model is thinking should shimmer instead of sitting still.
- Console:
matchMedia('(prefers-reduced-motion: reduce)').matches returns false, and the
plugin logs dsh-force-motion: reduced-motion suppression neutralised.
- Unit test:
npm test.
License
MIT
