fix(vscode): improve custom question answers

[lambertjosh]

Summary

Single option question tool previously never actually showed the custom entry as selected, which was quite annoying and misleading. Additionally it would show two submit buttons which was unnecessary, since clicking the first one actually submitted the question. UX was poor.

Before

After

Details

• select the custom-answer radio when its row or textbox receives interaction
• switch cleanly back to predefined answers without submitting retained custom text
• show a single submit action while entering a custom answer

Custom text entry previously left the radio selection visually out of sync and exposed two submit buttons. This keeps the selection and controls consistent without changing question reply lifecycle handling.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (10 files)

• .changeset/select-custom-question-answer.md — updated changeset description (user-facing)
• packages/kilo-vscode/webview-ui/src/components/chat/QuestionDock.tsx — adds selectCustom(), close(), customPicked derivation from store.editing, and hides footer actions while editing
• packages/kilo-vscode/tests/unit/question-dock-contract.test.ts — updated assertion: footer actions hidden during editing
• packages/kilo-vscode/tests/question-dock-selection.spec.ts — added then removed (Playwright browser spec)
• packages/kilo-vscode/webview-ui/src/stories/chat.stories.tsx — enriched then reverted QuestionDockSingle story render
• All files from previous review (unchanged) — carried forward as clean

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_{Reviewed by claude-4.6-sonnet-20260217 · 562,351 tokens}

_{Review guidance: REVIEW.md from base branch main}

[lambertjosh]

Validated the fixes for single-select questions. Left multi-select unchanged for now.

working_question.mov