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feat(web): add shortcuts to increase/decrease reasoning level - #10542

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edemaine wants to merge 3 commits into
pingdotgg:mainfrom
edemaine:reasoning-shortcuts
Closed

edemaine wants to merge 3 commits into
pingdotgg:mainfrom
edemaine:reasoning-shortcuts

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@edemaine

@edemaine edemaine commented Sep 7, 2026 •

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What Changed

Add reasoning.increase and reasoning.decrease as bindable actions, configurable in Settings → Keybindings on web and desktop. Both are unbound by default.

Why

I like to adjust my reasoning level for each query, to speed up simple queries and improve results for complex queries. Changing reasoning levels currently requires opening the model options, but I'm usually typing prompts, so I'd rather use the keyboard.

I got accustomed to this feature in Codex Desktop. I bind Alt - to decrease and Alt = to increase reasoning levels.

UI Changes

Command options in New keybinding

image

Now-possible bindings

image

Keyboard usage

alt

Checklist

  • This PR is small and focused
  • I explained what changed and why
  • I included before/after screenshots for any UI changes
  • I included a video for animation/interaction changes

Note

Add keyboard shortcuts to increase and decrease reasoning level in ChatView

Adds reasoning.increase and reasoning.decrease command handling to the window-level keydown handler in ChatView.tsx. The handler prevents default browser behavior, stops propagation, and forwards the direction to the composer imperative handle.

📊 Macroscope summarized f4b4b3e. 4 files reviewed, 1 issue evaluated, 0 issues filtered, 1 comment posted

🗂️ Filtered Issues

Summary by CodeRabbit

  • New Features
    • Added keyboard shortcuts to increase or decrease the AI’s reasoning level while composing a chat message.
    • Reasoning adjustments automatically update the selected model settings and prompt.
    • Shortcuts respect available reasoning levels, model capabilities, prompt-controlled modes, and existing slash commands.
    • New commands can be configured through the application’s keyboard shortcut settings.
    • Reasoning changes are unavailable while approval or required user input is pending.

@cursor

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@github-actions github-actions Bot added vouch:unvouched PR author is not yet trusted in the VOUCHED list. size:L 100-499 changed lines (additions + deletions). labels Sep 7, 2026
return;
}

if (command === "reasoning.increase" || command === "reasoning.decrease") {

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🟡 Medium components/ChatView.tsx:6050

The reasoning.increase / reasoning.decrease shortcut fires even while a pending user-input question owns the composer. In that state, adjustReasoningLevel calls setPromptFromTraits, which writes the reasoning prefix (e.g. Ultrathink:) into the regular draft prompt instead of the pending-question custom answer. After the question is answered the injected prefix silently reappears in the normal composer.

Add a guard (like the one other shortcut branches use) to bail out when pending inputs or approvals are active.

🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/ChatView.tsx around line 6050:

The `reasoning.increase` / `reasoning.decrease` shortcut fires even while a pending user-input question owns the composer. In that state, `adjustReasoningLevel` calls `setPromptFromTraits`, which writes the reasoning prefix (e.g. `Ultrathink:`) into the regular draft prompt instead of the pending-question custom answer. After the question is answered the injected prefix silently reappears in the normal composer.

Add a guard (like the one other shortcut branches use) to bail out when pending inputs or approvals are active.

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Fixed by guarding adjustReasoningLevel when an approval or pending user input is active. The guard runs before either prompt or model-option updates, covering both shortcut directions.

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Sorry, I'm unable to act on this request because you do not have permissions within this repository.

@macroscopeapp

macroscopeapp Bot commented Sep 7, 2026

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Approvability

Verdict: Not approved

Macroscope's review found this PR not approvable — This PR adds a new configurable, user-facing capability that changes reasoning settings and prompt state across the global chat shortcut handler, composer, and traits picker; the shortcuts are unbound by default but the implementation is cross-component rather than a self-contained tweak. An unresolved Medium finding also identifies state corruption when pending questions or approvals own the composer.

Not approved because:

  • 1 blocking correctness issue found at or above your repo's Minimum Blocking Severity

Adjust the Minimum Blocking Severity for this repo — including turning it Off — in Settings. You can add or adjust custom eligibility rules. Learn more.

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coderabbitai Bot commented Sep 7, 2026 •

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Review Change StackReview Change Stack

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Advanced

Run ID: a1193b51-cfaa-4a80-85dc-fc093db7c858

📥 Commits

Reviewing files that changed from the base of the PR and between 11601da and 6654656.

📒 Files selected for processing (5)
  • apps/web/src/components/ChatView.tsx
  • apps/web/src/components/chat/ChatComposer.tsx
  • apps/web/src/components/chat/TraitsPicker.test.ts
  • apps/web/src/components/chat/TraitsPicker.tsx
  • packages/contracts/src/keybindings.ts
🚧 Files skipped from review as they are similar to previous changes (5)
  • packages/contracts/src/keybindings.ts
  • apps/web/src/components/ChatView.tsx
  • apps/web/src/components/chat/TraitsPicker.test.ts
  • apps/web/src/components/chat/ChatComposer.tsx
  • apps/web/src/components/chat/TraitsPicker.tsx

Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review.


📝 Walkthrough

Walkthrough

Changes

The chat composer now adjusts reasoning levels through keyboard shortcuts. Trait logic resolves supported reasoning options, handles prompt-controlled ultrathink, persists model options, and updates prompts. Tests cover boundaries, descriptor variants, slash commands, and unavailable models.

Reasoning level transition logic

Layer / File(s) Summary
Reasoning level transition logic
apps/web/src/components/chat/TraitsPicker.tsx, apps/web/src/components/chat/TraitsPicker.test.ts
getReasoningLevelChange and shared trait selection logic compute directional changes and validate supported reasoning descriptors. Tests cover boundaries, ultrathink transitions, slash commands, descriptor variants, and unavailable models.
Composer imperative API
apps/web/src/components/chat/ChatComposer.tsx
ChatComposerHandle exposes adjustReasoningLevel, which persists model options and applies prompt changes when adjustment is allowed.
Keyboard shortcut integration
packages/contracts/src/keybindings.ts, apps/web/src/components/ChatView.tsx
The keybinding schema accepts both reasoning commands, and the global handler routes them to the composer.

Priority: ⬇️ Low — Impact reflects low issue severity.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: 🔵 Low · up to 66546

Configurable shortcuts can adjust reasoning levels while composing prompts, but some providers may receive the opposite adjustment if their available levels are ordered differently. This is a bounded behavior risk that should be understood before merge.

Sequence Diagram(s)

sequenceDiagram
  participant User
  participant ChatView
  participant ChatComposer
  participant TraitsPicker
  participant DraftStore
  User->>ChatView: Press reasoning shortcut
  ChatView->>ChatComposer: adjustReasoningLevel(direction)
  ChatComposer->>TraitsPicker: getReasoningLevelChange(input)
  TraitsPicker-->>ChatComposer: Return prompt and model option changes
  ChatComposer->>DraftStore: Persist provider model options
  ChatComposer-->>User: Apply updated prompt and reasoning level
Loading
🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 5 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly and concisely describes the main change: adding shortcuts to increase and decrease the reasoning level.
Description check ✅ Passed The description includes the required What Changed, Why, UI Changes, and Checklist sections. It explains the feature, motivation, scope, and UI behavior, and includes screenshots for the interaction c…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
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  • Create PR with unit tests

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Actionable comments posted: 1

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Inline comments:
In `@apps/web/src/components/chat/TraitsPicker.tsx`:
- Around line 246-277: Normalize the reasoning-related descriptor options by
explicit strength rank before applying direction in getReasoningLevelChange, so
direction 1 always advances to a stronger level regardless of the
provider-advertised order. Preserve the existing current-value lookup, boundary
handling, and getTraitSelectChange flow for the normalized options.

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📥 Commits

Reviewing files that changed from the base of the PR and between 357b8d5 and f4b4b3e.

📒 Files selected for processing (5)
  • apps/web/src/components/ChatView.tsx
  • apps/web/src/components/chat/ChatComposer.tsx
  • apps/web/src/components/chat/TraitsPicker.test.ts
  • apps/web/src/components/chat/TraitsPicker.tsx
  • packages/contracts/src/keybindings.ts

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Comment thread apps/web/src/components/chat/TraitsPicker.tsx
- Ignore shortcuts while approvals or user inputs are pending
- Document prompt-only trait selection behavior
# Conflicts:
#	apps/web/src/components/ChatView.tsx
@coderabbitai

coderabbitai Bot commented Sep 8, 2026

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GitHub couldn't provide a complete incremental comparison for this pull request, so CodeRabbit is performing a full review instead. This review may take a little longer.

@t3-code

t3-code Bot commented Sep 10, 2026

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thanks for adding reasoning level shortcuts

we’re choosing the cycling behavior in #7226, including its guards around pending input and provider-specific options

closing this alternative implementation to keep one shortcut model

requested by @Bil0000.

@t3-code t3-code Bot closed this Sep 10, 2026
@edemaine

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Oops, I missed that prior art, sorry. Looking forward to using the feature!

@edemaine

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@juliusmarminge Given the closure of the other PR, could this one be considered again? I think it's more focused... Or happy to adjust as desired.

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