[katulevskiy]

Upstream mirror

Source: zeronsh#629
Original author: @katulevskiy
Original revision: de0c765ea17cc865cbe6043c2dd9527481852e71

This PR is an isolated Contribution Manager pilot mirror. Its reviews, checks and merge state are separate from upstream. An empty [skip ci] commit suppresses automatic bulk CI; the code tree matches the imported upstream revision.

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Summary

• While an agent question is pending, the question panel replaces the composer pill and reuses the same input for the free-text answer. That input's height cap (viewport_height) was only written by the pill's own render path, which the panel's render returns before reaching, so the panel inherited whatever the last pill render left.
• In an established thread the empty pill is compact and leaves a one-line cap, so typing a multi-row answer scrolled inside a single row instead of growing the panel.
• The panel now sets the full textarea cap each time it renders. The pill path rewrites it as soon as the panel goes away, so nothing changes there.
• Only the desktop composer is touched. The visible difference is that the answer input grows with its content.
• Not looked at: a question with many choices in a small window, where the taller input plus the choices may need a max height on the panel.

Screenshot

Rendered with GPUI in an established thread (so the composer is the compact pill) with a pending question and a five-row typed answer. Left is main, right is this branch. On main the answer is scrolled inside a single row, so the typed text isn't readable; with the fix all five rows show and the panel grows to fit.

The image lives on a separate pr-assets-question-panel branch of my fork, so it isn't part of this diff.

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[contribution-manager-katulevskiy]

Contribution Manager

needs triage · medium risk · untriaged

Open review workspace · Revision 60557053

Next actions:

• Direction decision needed
• Scope, risk, and platform triage needed
• Independent code review needed
• Required check: core-tests (missing)

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