feat(plan): grid renders up to 3 stacked records per cell

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/admin/components/PlanRangeChips.tsx

@@ -6,6 +6,7 @@ interface Props {
   project: Project | null;
   readonly?: boolean;
   categoryLabel: string;
+  showNote?: boolean;
 }
 
 export default function PlanRangeChips({
@@ -13,6 +14,7 @@ export default function PlanRangeChips({
   project,
   readonly,
   categoryLabel,
+  showNote = true,
 }: Props) {
   void readonly;
   if (!cell) return null;
@@ -36,7 +38,9 @@ export default function PlanRangeChips({
           </span>
         )}
       </div>
-      {cell.note && <div className="plan-cell-note">{cell.note}</div>}
+      {showNote && cell.note && (
+        <div className="plan-cell-note">{cell.note}</div>
+      )}
     </div>
   );
 }