[MatthewFeroz]

Problem

Hovering controls throughout the Windows desktop client briefly shows only the first few words of a tooltip. Reproduced on the browser annotation icon and on the sidebar’s Add project and Filter threads by project controls.

The shared tooltip uses Base UI's content-morphing viewport even though each tooltip has its own trigger. During the opening animation in Electron, the content briefly wraps into two lines inside a viewport sized for one line, clipping the remaining words.

Change

Render tooltip content in a normal padded container and remove the viewport's measured popup/positioner sizes and size transitions. Keep the existing fade, scale, wrapping, variants, and collision handling. This fixes the shared web/desktop primitive; the mobile client uses native UI.

Scope and approval

This is a small, focused fix for an obvious rendering bug in an existing tooltip. It qualifies for the focused bug-fix exception without a prior issue or discussion.

Verification

• Audited all 330 tooltip popup declarations across 149 files, including the current and legacy sidebar, chat/composer, Settings, files/diffs, pull requests, usage, device, and browser controls. Every custom tooltip uses the shared implementation; the native mobile client has no separate tooltip renderer.

• Replayed 383 opening-animation cases in Electron: 348 source-callsite/placement configurations, 24 long-label/multiline/variant boundary cases, two real rich tooltip components, and all nine tooltip-styled popover configurations. Every case observed the opening animation; none had unexpected clipping or overflow. Rich titles that deliberately use ellipsis retain that behavior. Dynamic labels use representative sizing values, rather than claiming every possible server/provider state was driven in the full app.

• Verified the actual sidebar controls before and after: Add project and Filter threads by project each clipped text in eight visible animation frames on the original implementation and zero on the patch. Full coverage report.

• Reproduced with the actual PreviewChromeRow component mounted in an isolated development app, using Electron 44.9.3 on Windows at 125% display scaling. Application state is confined to the worktree and a temporary Electron profile.

• Sampled the opening animation: the original clipped the label in seven visible frames; the fix clipped it in none. The initial text height changes from about 31 px in a 24 px viewport to about 15 px, fully visible from the start.

• All stages of vp run check:changed pass: formatting, lint, both knip passes, and the affected web/scripts typechecks. The Windows ignored-file scan traverses pnpm junctions and produces path-length warnings. PowerShell reports exit 1 when redirecting those warnings as NativeCommandError; every check stage passes.

• This is a visual layout fix, so the captures are its regression proof, as required by the repository's verification guidance.

Before — opening animation clips the label:

After — the full label appears together:

Short comparison recording — before on the left, after on the right. Images and recording are hosted in an explicitly labeled evidence release in the author’s fork; no evidence assets are committed.

Sidebar controls — before (left), after (right). Top: Add project; bottom: Filter threads by project.

Sidebar opening-animation recording — before left, after right.

Model: GPT-6.1-sol. Harness: Codex in T3 Code.

[macroscopeapp]

Approvability

Verdict: Approved at 7d71860

Macroscope's review found this PR approvable — This is a focused tooltip rendering fix that removes the measured content viewport responsible for clipping labels during opening. It preserves collision handling, wrapping, variants, and fade/scale behavior while changing only shared UI presentation.

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[coderabbitai]

Important

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Walkthrough

The tooltip positioner and popup no longer set explicit dimensions or transition width and height. Tooltip children now render inside a padded div instead of the Base UI viewport.

Changes: Tooltip layout

Layer / File(s)	Summary
Positioner and content layout apps/web/src/components/ui/tooltip.tsx	The positioner retains its maximum-width constraint but drops explicit height and width. The popup drops popup sizing classes and width and height transitions. Its children render inside a padded div instead of the Base UI viewport.

Priority: Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Bug fix

Possibly related issues

• pingdotgg/t3code#24093: This issue concerns tooltip content visibility and names the shared positioner. This change updates positioner and popup sizing, but does not enable pointer interaction with the popup.

Suggested reviewers: flamboh

Merge Risk: Low · up to 7d718

Dynamic tooltips may lose their intended content transitions, but the impact is localized and the correction is bounded.

Pre-merge checks: 4

Check name	Status	Explanation
Title check		The title clearly and concisely describes the primary change: preventing tooltip labels from appearing incomplete during opening.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.
Description check		The pull request description follows the required template. It explains the problem, the change, scope and approval basis, and verification results. It includes reproduction details, test outcomes, be…

Full details: Description check

Explanation

The pull request description follows the required template. It explains the problem, the change, scope and approval basis, and verification results. It includes reproduction details, test outcomes, before/after screenshots, and recordings for the UI change.

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[coderabbitai]

Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

Prompt to fix review comments

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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @apps/web/src/components/ui/tooltip.tsx:
- Around line 152-154: Restore TooltipPrimitive.Viewport around the dynamic
tooltip children to preserve Base UI content-transition behavior, and adjust the
associated positioner sizing so viewport transitions remain enabled without
regressing the tooltip opening fix.

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• apps/web/src/components/ui/tooltip.tsx

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[maria-rcks]

Note

Written by gpt-6.1-sol on behalf of Maria

Verified in a real dev environment

linux web verification passed on exact head 3ff64c92da2ee4db47578ed988a5877f5836cccf, without code changes. this is partial platform coverage, not proof of the reported windows electron fix.

• ran github/main (97e35bcf23) in a separate worktree first, then stopped it before starting this pr. installed each with vp i and ran one background dev server at a time against isolated state.
• drove the real web app with the repository's playwright and /usr/bin/google-chrome. added the real /home/user/tooltip-scenario git repository through add project, selected codex gpt-6.1-sol, and submitted a real turn on each revision. on the pr, the reply appeared in the client.
• add project and filter threads by project tooltips showed complete labels during opening. per-frame range/viewport sampling found no clipping in 58 observed pr samples. main also showed no clipping in this linux setup at 100% and 125% device scaling, so the screenshots below are a linux baseline comparison, not a reproduced windows failure.
• clicked add project and opened its real source picker. filtered to tooltip-scenario, observed the other project disappear, then restored all projects. the tooltip updated to include the selected project. keyboard tab focus opened the tooltip and escape dismissed it.
• exercised a real composer permission selection and its two-line description at 900×700 in dark mode. all text fit in the 320×43 popup. restored full access afterward.
• vp run check:changed 28df7a246f9f7063180f9a4c509ee17c6823b32b passed through blacksmith-check: format, lint, both knip passes, and web/scripts typechecks. the explicit pr base was needed because the worker initially lacked origin/main history. the pr's existing 29 reported ci contexts are successful.

provider transcript, observed through the running server:

web composer → codex turn/start
model=gpt-6.1-sol cwd=/home/user/tooltip-scenario
agentMessage: tooltip verification ready.
turn/completed: completed, error=null
pr web client: tooltip verification ready.

main baseline, matching filter label and crop:

pr head, matching filter label and crop:

all captures were inspected. the uploaded recording played to completion and seeking worked in t3's browser.

Not verified

• windows electron at 125% display scaling, macos, and native ios/android. this linux vm cannot establish that the original windows-specific opening-animation defect is fixed.
• the browser annotation control: the server browser preview opened and navigated, but this web path did not render the annotation button. no isolated component harness or mock was substituted.
• updater-driven rich tooltip state transitions, other providers, relay/tunnel and multiple-device modes were not exercised.
• main's provider log contained the completed reply, but its client did not display it in this run. the pr client did display the reply. this was not investigated as part of the tooltip change.

no merge, rebase, force-push, labels, or source changes.