Fix PR branch selector overflow - #3067
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August 14, 2026 10:34
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Pull request overview
Fixes branch selector overflow in the pull request creation form.
Changes:
- Allows selector buttons and content to shrink.
- Truncates long branch names while preserving icons and accessible text.
Show a summary per file
| File | Description |
|---|---|
ui/src/apps/pr-write/App.tsx |
Adds reusable responsive styles to both branch selectors. |
Review details
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- Comments generated: 0
- Review effort level: Balanced
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Summary
Keep long base and compare branch names inside the pull request creation form.
Why
Primer buttons use
min-width: max-contentby default, so long branch names can push a selector past the form boundary instead of truncating.Fixes #2979
What changed
MCP impact
This only changes the MCP App layout.
Prompts tested (tool changes only)
Not applicable. No tool behavior changed.
Security / limits
This is a responsive styling fix.
Tool renaming
Lint & tests
./script/lint./script/testcd ui && npm run typecheckscript/build-uiDocs