public share UI fix

app/services/map_share_service.py

@@ -223,7 +223,7 @@ def get_share_links(db: Session, map_id: UUID, current_user: User) -> List[MapSh
     return links
 
 
-def delete_share_link(
+async def delete_share_link(
     db: Session,
     map_id: UUID,
     link_id: UUID,
@@ -252,6 +252,10 @@ def delete_share_link(
     db.delete(link)
     db.commit()
 
+    # Disconnect all guest users from this map
+    from app.websocket.connection_manager import manager
+    await manager.disconnect_guests(map_id)
+
 
 def get_map_by_share_token(db: Session, token: str) -> tuple[Map, SharePermission]:
     """Get map by share token (for guest access)."""