bug: GUI-Editor use deprecated size of ha-button

[Bug]: Severe edit-mode lag with many children — children re-mounted on every keystroke due to object-identity keying

FR: add dedicated expander-card css vars to be used in theme

The bottom padding of the child container is visible when expander card is collapsed

Any chance to get the source for the example shown in the "demo" video?

Problems inserting the title card; it is not applied after selection.

Hover/Ripple ignores border radius for title card

Optimization for new Title Card Badges

Map fit_zones: true options not respected on expanding

Save-State feature