Copy a garden (deep duplicate) from the gardens list (#46)

Co-authored-by: Steve Dudenhoeffer <[email protected]>

web/src/components/gardens/GardenCard.tsx

@@ -5,14 +5,16 @@ import { cardActionClass, cardDangerClass } from '@/components/ui/cardActions'
 
 /**
  * One garden as a card: the body links into the editor. The footer differs by
- * role — the owner gets Share / Edit / Delete; a recipient sees a "shared · role"
- * badge and a Leave action (garden metadata edit + sharing are owner-only).
+ * role — the owner gets Share / Copy / Edit / Delete; a recipient sees a
+ * "shared · role" badge and a Leave action (garden metadata edit, sharing and
+ * copying are owner-only).
  * Ownership is the authoritative ownerId==me check, not the my_role hint.
  */
 export function GardenCard({
   garden,
   currentUserId,
   onShare,
+  onCopy,
   onEdit,
   onDelete,
   onLeave,
@@ -20,6 +22,7 @@ export function GardenCard({
   garden: Garden
   currentUserId?: number
   onShare: () => void
+  onCopy: () => void
   onEdit: () => void
   onDelete: () => void
   onLeave: () => void
@@ -51,6 +54,9 @@ export function GardenCard({
             <button type="button" onClick={onShare} className={cardActionClass}>
               Share
             </button>
+            <button type="button" onClick={onCopy} className={cardActionClass}>
+              Copy
+            </button>
             <button type="button" onClick={onEdit} className={cardActionClass}>
               Edit
             </button>