Character drag reorder via players array

Character list items draggable (ChevronsUpDown handle). Drop reorders
players array on campaign doc (single updateDoc). Array order = display
order.

src/App.js

@@ -682,6 +682,22 @@ function CharacterManager({ campaignId, campaignCharacters }) {
   const [editingCharacter, setEditingCharacter] = useState(null);
   const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
   const [itemToDelete, setItemToDelete] = useState(null);
+  const [draggedCharId, setDraggedCharId] = useState(null);
+
+  const handleCharDragStart = (e, id) => { setDraggedCharId(id); e.dataTransfer.effectAllowed = 'move'; };
+  const handleCharDragOver = (e) => { e.preventDefault(); e.dataTransfer.dropEffect = 'move'; };
+  const handleCharDrop = async (e, targetId) => {
+    e.preventDefault();
+    if (!campaignId || !draggedCharId || draggedCharId === targetId) { setDraggedCharId(null); return; }
+    const reordered = [...campaignCharacters];
+    const fromIdx = reordered.findIndex(c => c.id === draggedCharId);
+    const toIdx = reordered.findIndex(c => c.id === targetId);
+    if (fromIdx === -1 || toIdx === -1) { setDraggedCharId(null); return; }
+    const [moved] = reordered.splice(fromIdx, 1);
+    reordered.splice(toIdx, 0, moved);
+    try { await storage.updateDoc(getPath.campaign(campaignId), { players: reordered }); } catch (err) {}
+    setDraggedCharId(null);
+  };
   const [isOpen, setIsOpen] = useState(() => {
     try { return localStorage.getItem('ttrpg.charactersCollapsed') !== 'true'; }
     catch { return true; }
@@ -841,7 +857,17 @@ function CharacterManager({ campaignId, campaignCharacters }) {
 
             <ul className="space-y-2">
               {campaignCharacters.map(character => (
-                <li key={character.id} className="flex justify-between items-center p-3 bg-stone-800 rounded-md">
+                <li
+                  key={character.id}
+                  draggable
+                  onDragStart={(e) => handleCharDragStart(e, character.id)}
+                  onDragOver={handleCharDragOver}
+                  onDrop={(e) => handleCharDrop(e, character.id)}
+                  onDragEnd={() => setDraggedCharId(null)}
+                  className={`flex justify-between items-center p-3 bg-stone-800 rounded-md cursor-grab ${draggedCharId === character.id ? 'opacity-50 ring-2 ring-yellow-400' : ''}`}
+                >
+                  <div className="flex items-center flex-grow">
+                    <ChevronsUpDown size={16} className="text-stone-400 flex-shrink-0 mr-2" title="Drag to reorder" />
                   {editingCharacter && editingCharacter.id === character.id ? (
                     <form
                       onSubmit={(e) => {
@@ -917,6 +943,7 @@ function CharacterManager({ campaignId, campaignCharacters }) {
                       </div>
                     </>
                   )}
+                  </div>
                 </li>
               ))}
             </ul>