Give MultiSelect chips accessible names and start creation fields empty.

Catalog chips now announce Select or Deselect so they are named for assistive tech. Method and value modals open blank; Generate draft inserts the catalog copy that used to be prefilled, and Customize still keeps the section headings.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/components/controls/MultiSelect/MultiSelect.view.tsx

@@ -16,6 +16,8 @@ function MultiSelectView({
   addButton,
   addButtonText,
   addButtonAriaLabel,
+  chipSelectAriaLabel,
+  chipDeselectAriaLabel,
   formHeader = true,
   onCustomChipConfirm,
   onCustomChipClose,
@@ -88,6 +90,14 @@ function MultiSelectView({
               palette={palette}
               size={chipSize}
               disabled={chipDisabled}
+              ariaLabel={
+                isCustom || !option.label
+                  ? undefined
+                  : (isSelected
+                      ? chipDeselectAriaLabel
+                      : chipSelectAriaLabel
+                    ).replace("{label}", option.label)
+              }
               onClick={() => {
                 if (!isCustom && !chipDisabled && onChipClick) {
                   onChipClick(option.id);