fix: address code review feedback - remove redundant sm: prefix, improve JSDoc

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/components/src/renderers/action/action-bar.tsx

@@ -46,7 +46,7 @@ export interface ActionBarSchema {
   location?: ActionLocation;
   /** Maximum visible inline actions before overflow into "More" menu (default: 3) */
   maxVisible?: number;
-  /** Maximum visible inline actions on mobile (default: 1) */
+  /** Maximum visible inline actions on mobile devices (default: 1). Desktop uses maxVisible instead. */
   mobileMaxVisible?: number;
   /** Visibility condition expression */
   visible?: string;

packages/plugin-detail/src/DetailSection.tsx

@@ -195,9 +195,9 @@ export const DetailSection: React.FC<DetailSectionProps> = ({
       className={cn(
         "grid gap-3 sm:gap-4",
         effectiveColumns === 1 ? "grid-cols-1" :
-        effectiveColumns === 2 ? "grid-cols-2 sm:grid-cols-2" :
-        effectiveColumns === 3 ? "grid-cols-2 sm:grid-cols-2 lg:grid-cols-3" :
-        "grid-cols-2 sm:grid-cols-2 lg:grid-cols-3"
+        effectiveColumns === 2 ? "grid-cols-2" :
+        effectiveColumns === 3 ? "grid-cols-2 lg:grid-cols-3" :
+        "grid-cols-2 lg:grid-cols-3"
       )}
     >
       {layoutFields.map(renderField)}