dsh-reasoning-effort-slider

dsh-reasoning-effort-slider

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Turns the Effort row of DeepSeek Harness's model menu into a Codex-style reasoning-effort slider:

┌────────────────────────────────────────┐
│ Model       DeepSeek-V4.1-Flash 1017 › │
├────────────────────────────────────────┤
│ Effort                        Max    › │   ← native row; its value text is tinted by level
│ ●━━━━━━━━━━━━━━━━━━━━━━━━━◯           │   ← injected: 28px track + white knob
│ ·           ·           ·          ·   │   ← level ticks (reached ones brighten)
│                   Max                  │   ← current level name (live while dragging)
└────────────────────────────────────────┘

Nothing is added to the composer tool row. The collapsed model seat keeps the native model · effort ⌄ typography; only that effort text is tinted.

Interaction

Writes are deduplicated and coalesced: a drag commits at most a few times, and picking the level already in effect writes nothing. A failure shows its reason under the track and clears after 4 s.

Colour and effects (driven by level position, independent of level count)

• The fill is linear-gradient(90deg, blue → colour at the current position): always blue on the left, deepening to the right.
• The nova layer and the starfield are clipped to the filled part, so nothing glows to the right of the knob.
• The knob is a white circle as tall as the track (28 px) whose centre is inset by 14 px, so it stays a full circle at both ends.

Why it cannot break the native menu

• It only adds a data-dres-row attribute to the native effort row (taller, wrapping). Native classes, copy and chevron are untouched.
• Anything unexpected is fail-open: no aria-controls on the trigger, a menu that is not the model/effort pair, or a row outside this composer card means “do not inject” — the native menu keeps working.
• Growing that row triggers the menu's own ResizeObserver, which re-measures and clamps the panel back on screen.
• On close or unload the container is removed, the attribute dropped, and every tinted text colour restored.

Data path (native public surface only)

Install

From GitHub:

dsh plugin --profile <profile> add github:sleepinggggggggggg/dsh-reasoning-effort-slider

From a local directory:

dsh plugin --profile <profile> add <absolute path to this directory>

On desktop, use Settings → Plugins → Add plugin with the same value, then reload the page (or restart the app).

Compatibility

The supported host range is declared in package.json as engines.dsh: DSH >=0.2.0-rc.2 <0.3.0-0, verified against 0.2.1-rc.2.

DSH checks that range before loading a plugin. A host release outside it is refused with an explicit incompatibility message instead of leaving a slider that silently never appears.

Known limits

• Depends on the native menu's semantic structure (aria-haspopup / aria-expanded / aria-controls, two root rows with role="menuitem"). If a host release changes it, the plugin silently does nothing — it never breaks the menu — and needs a follow-up.
• The model menu has to be open to change the level; nothing is shown in the composer tool row.
• A model that advertises a single level (for example with thinking disabled) renders no control, and the native row keeps its original height (setActive drops the growth).
• The model catalog is cached for the page lifetime (a reconnect refetches it). Providers or models added in Settings need one page reload.
• The selection applies to the next request; a running step keeps the level it started with (same as the native menu).

Acknowledgements

The design decisions come from reading three sibling implementations. No code was copied; this repository is an independent implementation.

• HanaAyane/dsh-reasoning-effort — the white knob + track + ticks + level-name visual language, and the modelSelection projection + session.selectModel data path.
• Microqian2th/dsh-codex-effort-slider — the DOM anchor strategy for injecting into the native Effort row (aria-haspopup / aria-expanded / aria-controls / role="menuitem"), plus the blue → violet → deep violet palette and the starfield position curve.
• Bai-2008/a-better-dsh-codex-effort-slider — the trade-offs of taking over the model seat entirely, a route this plugin does not take.

Feedback

• Bugs and feature requests — open an issue. The template asks for the plugin and DSH versions; that pair is usually the whole diagnosis.
• Setup help, custom model profiles, "does this work with X" — email nupotecrosstvo@gmail.com.
• Security — email the same address instead of opening a public issue; see SECURITY.md.
• Quick questions / build logs — @nupote_ on X.

Licence

MIT — see LICENSE.

Files