feat(details): add summary-suffix slot - #12385
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Add a new `summary-suffix` slot to `<vaadin-details>` so action buttons can be placed on the right side of the summary, visible in both open and closed states, without triggering the toggle behavior. Closes vaadin/hilla#5896
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Summary
Add a
summary-suffixslot to<vaadin-details>so action buttons can be placed on the right side of the summary, visible in both open and closed states, without triggering the toggle behavior.Changes
summaryslot and a newsummary-suffixslot in a<div part="summary-wrapper">with flex layoutflex: 1, suffix takesflex: none(sits on the right)Why
Currently there is no way to add action buttons (edit, delete, etc.) next to the summary without them also toggling the panel open/close. The
summary-suffixslot provides a dedicated area for such buttons.Closes vaadin/hilla#5896
Test plan
summary-wrapperpart renders in shadow DOMsummary-suffixslot renders in shadow DOMscreenrecording-2026-08-08_19-12-14.mp4