dsh-mobile-upgrade

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Mobile quality-of-life fixes for the DeepSeek Harness (dsh) web profile, shipped as a single plugin. Everything renders through the host's own slots and state signals — no layout takeover, no floating widgets, no DOM polling of chat content.

What you get

• Composer attachment upload — a paperclip button beside the composer's tool row. Images go through the editor's native paste-attachment path; any other file is uploaded to the server and its absolute path is pasted into the draft so the agent can read it with its file tools.
• Restart row — a "Restart service" entry in Settings → General. Confirms first, restarts the dsh process, and reloads the page automatically once the service answers again.
• Input-modality switches — text/image/video checkboxes on every model row of the native provider editor, writing the model's input array into settings.yaml (with a backup next to the file). Catalog models without a user-customised route show the switches read-only.
• Narrow-screen drawer — below 1024px the sidebar collapses to a small corner chip that keeps the host's own toggle; expanding it floats the full sidebar as a drawer over full-width content, and picking a session closes it again.
• Narrow settings tabs — below 700px the settings dialog's side navigation becomes a row of horizontally scrollable tabs.
• Full-width model menu — below 700px the composer's model menu re-anchors to exactly the phone width (12px margins) instead of landing past the screen edge, while the host keeps owning the vertical placement above the trigger.
• Details-overlay settle — the fullscreen tool-details overlay whose close control is inert in the current host is not rendered on narrow screens, so it cannot trap the chat.
• Storm-safe reactivity — the drawer/menu observers and the settings poller react to a burst of streaming messages at a capped rate and back off while the host is unreachable, a rail remount during a reconnect keeps the drawer state instead of flapping it, and drawer close taps retry through a remount instead of landing on a stale toggle: many sessions streaming at once no longer freeze input or twitch the sidebar into unclickability, whether it is open or closed.
• Per-feature toggles — the plugin installs a mobile-ui-fix section in Settings → Plugins with a switch per feature.

Screenshots

The floating chip, the session drawer, the narrow-screen settings tabs and the composer attach button (annotated):

Install

dsh plugin --profile web add dsh-mobile-upgrade

Restart dsh web, then open the web profile on your phone: the paperclip sits in the composer, the restart row in Settings → General, and the feature toggles in Settings → Plugins → mobile-ui-fix.

Requires dsh 0.1.2-rc.1 or newer.

Configuration

The plugin's settings card takes:

Key	Default	Meaning
uploadDir	<dsh home>/mobile-uploads	Where non-image uploads are stored
restartEnabled	true	Offer the restart row and its route

Feature toggles

Every feature above can be switched in Settings → Plugins → mobile-ui-fix (effective on the next page load), or overridden per device with a localStorage key — mfx-attach, mfx-restart, mfx-settle, mfx-drawer, mfx-settings, mfx-modality, mfx-menus, mfx-net — where the value "0" turns a feature off.

Limitations

• The client hooks specific host UI elements by their hashed CSS class names (menu, drawer toggle, provider editor). A host build that renames them degrades individual features until this plugin catches up; everything else keeps working.
• Input-modality switches can only patch provider routes you have customised yourself; catalog-only routes are read-only by design, because fabricating a catalog section collapses the model directory.

Security notes

The plugin's HTTP routes (upload, restart, settings editing) perform no authentication of their own — they trust the dsh web surface they are loaded into. Put the deployment behind whatever gate protects the rest of the UI (reverse-proxy auth, loopback binding) before exposing it beyond localhost.

License

Distributed under the Synthetic Source License (SySL), Version 1.0.

NOTICE: This software includes code generated by artificial intelligence. See the LICENSE file for the Synthetic Source License terms, including model disclosure requirements.