Группы: приглашения вместо авто-добавления (согласиться/отказаться)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/pages/GroupSettingsPage.tsx

@@ -6,7 +6,7 @@ import { Spinner } from "../components/Spinner";
 import { MAX_GROUP_SIZE } from "../domain/constants";
 import { useToast } from "../context/ToastContext";
 import { useMe } from "../hooks/auth";
-import { useAddMember, useGroup, useGroupMembers, useRemoveMember, useSetGroupExpansions } from "../hooks/groups";
+import { useGroup, useGroupMembers, useInviteMember, useRemoveMember, useSetGroupExpansions } from "../hooks/groups";
 import { useExpansions } from "../hooks/reference";
 
 export function GroupSettingsPage() {
@@ -16,7 +16,7 @@ export function GroupSettingsPage() {
   const { data: expansions } = useExpansions();
   const { data: members } = useGroupMembers(groupId);
   const setExpansions = useSetGroupExpansions(groupId ?? 0);
-  const addMember = useAddMember(groupId ?? 0);
+  const inviteMember = useInviteMember(groupId ?? 0);
   const removeMember = useRemoveMember(groupId ?? 0);
   const toast = useToast();
 
@@ -51,9 +51,9 @@ export function GroupSettingsPage() {
     const nick = newNick.trim();
     if (!nick) return;
     try {
-      await addMember.mutateAsync(nick);
+      await inviteMember.mutateAsync(nick);
       setNewNick("");
-      toast.show("Игрок добавлен");
+      toast.show("Приглашение отправлено");
     } catch (e) {
       toast.show(e instanceof ApiError ? e.message : "Ошибка");
     }
@@ -102,8 +102,12 @@ export function GroupSettingsPage() {
         )}
         {isOwner && (members ?? []).length < MAX_GROUP_SIZE && (
           <div className="row" style={{ marginBottom: 10 }}>
-            <input placeholder="Никнейм игрока" value={newNick} onChange={(e) => setNewNick(e.target.value)} />
-            <button className="btn btn-primary" onClick={add}>
+            <input
+              placeholder="Ник игрока — отправить приглашение"
+              value={newNick}
+              onChange={(e) => setNewNick(e.target.value)}
+            />
+            <button className="btn btn-primary" onClick={add} disabled={inviteMember.isPending}>
               <UserPlus size={18} />
             </button>
           </div>