feat: add accessible queue loading states

apps/web/src/pages/admin/moderation.astro

@@ -15,18 +15,21 @@ const apiUrl = import.meta.env.PUBLIC_API_URL || "http://localhost:8000";
     const list = document.querySelector<HTMLElement>("[data-moderation-list]");
     const error = document.querySelector<HTMLElement>("[data-admin-error]");
     let token = "";
+    const loadingCards = () => `<div class="loading-grid" aria-hidden="true">${Array.from({length:2}, () => '<div class="loading-card"><span class="loading-line loading-line--label"></span><span class="loading-line loading-line--title"></span><span class="loading-line"></span><span class="loading-line loading-line--short"></span></div>').join("")}</div><span class="sr-only">Загружаем очередь модерации</span>`;
+    const setLoading = (loading: boolean) => list?.setAttribute("aria-busy", String(loading));
     const esc = (value: unknown) => String(value ?? "—").replace(/[&<>'"]/g, char => ({"&":"&amp;","<":"&lt;",">":"&gt;","'":"&#39;",'"':"&quot;"}[char] ?? char));
     const fail = (message: string) => { if (error) { error.textContent = message; error.hidden = false; } };
     async function loadQueue() {
       if (!root || !list) return;
-      error?.setAttribute("hidden", ""); list.innerHTML = '<div class="state"><h2>Загружаем очередь…</h2></div>';
+      error?.setAttribute("hidden", ""); setLoading(true); list.innerHTML = loadingCards();
       const response = await fetch(`${root.dataset.apiUrl}/api/v1/admin/catch-reports?status=pending`, {headers:{Authorization:`Bearer ${token}`}});
       if (!response.ok) throw new Error(response.status === 401 ? "Неверный административный токен." : "Не удалось загрузить очередь.");
       const reports: Record<string, unknown>[] = await response.json();
+      setLoading(false);
       if (!reports.length) { list.innerHTML = '<div class="state"><h2>Очередь пуста</h2><p>Новых уловов для проверки нет.</p></div>'; return; }
       list.innerHTML = reports.map(report => `<article class="moderation-card" data-report-id="${esc(report.id)}"><div class="moderation-summary"><span class="activity-pill"><i></i>На проверке</span><h2>${esc(report.fish)}</h2><p>${esc(report.waterbody)} · ${esc(report.coordinates)}</p><dl><div><dt>Вес</dt><dd>${esc(report.weight_g)} г</dd></div><div><dt>Приманка</dt><dd>${esc(report.bait)}</dd></div><div><dt>Игрок</dt><dd>${esc(report.player_name)}</dd></div><div><dt>Отправлено</dt><dd>${esc(new Date(String(report.reported_at)).toLocaleString("ru-RU"))}</dd></div></dl>${report.comment ? `<blockquote>${esc(report.comment)}</blockquote>` : ""}</div><div class="moderation-proof">${report.screenshot_url ? `<a href="${esc(report.screenshot_url)}" target="_blank" rel="noreferrer"><img src="${esc(report.screenshot_url)}" alt="Скриншот улова ${esc(report.fish)}" /></a>` : '<div class="no-proof">Скриншот не приложен</div>'}</div><div class="moderation-actions"><label>Причина решения<textarea rows="2" maxlength="1000"></textarea></label><div><button type="button" data-decision="approved">Одобрить</button><button class="reject" type="button" data-decision="rejected">Отклонить</button><button class="delete" type="button" data-delete>Удалить</button></div></div></article>`).join("");
     }
-    login?.addEventListener("submit", async event => { event.preventDefault(); token = String(new FormData(login).get("token") || ""); try { await loadQueue(); login.hidden = true; } catch (cause) { fail(cause instanceof Error ? cause.message : "Ошибка загрузки."); } });
+    login?.addEventListener("submit", async event => { event.preventDefault(); token = String(new FormData(login).get("token") || ""); try { await loadQueue(); login.hidden = true; } catch (cause) { setLoading(false); if (list) list.innerHTML = ""; fail(cause instanceof Error ? cause.message : "Ошибка загрузки."); } });
     list?.addEventListener("click", async event => {
       const button = (event.target as HTMLElement).closest<HTMLButtonElement>("button[data-decision],button[data-delete]"); const card = button?.closest<HTMLElement>("[data-report-id]"); if (!button || !card || !root) return;
       const reason = card.querySelector<HTMLTextAreaElement>("textarea")?.value.trim() || null;