fix: update online presence logic and improve Kanban drop target condition

Author: ryanauf6661

frontend/src/components/DirectMessages.tsx

@@ -43,7 +43,10 @@ export default function DirectMessages({
   const [unread, setUnread] = useState<Record<string, number>>({});
   const socketRef = useRef<Socket | null>(null);
   const bottomRef = useRef<HTMLDivElement>(null);
-  const online = usePresenceStore((s) => s.online);
+  const presenceMembers = usePresenceStore((s) => s.members);
+  const online = Object.entries(presenceMembers)
+    .filter(([, v]) => v.status === "online")
+    .map(([id]) => id);
 
   // Fetch unread counts
   useEffect(() => {

frontend/src/components/KanbanBoard.tsx

@@ -327,7 +327,8 @@ export default function KanbanBoard({
                       </div>
                     )}
                     {dropTarget?.colKey === col.key &&
-                      dropTarget?.insertIdx >= visibleItems.length &&
+                      dropTarget?.insertIdx !== undefined &&
+                      dropTarget.insertIdx >= visibleItems.length &&
                       dragTaskId !== null && (
                         <div className="h-1 rounded-full bg-sky-400 mx-2 transition-all duration-150 animate-pulse" />
                       )}