feat(trash): deferred purge after configurable days, groups in trash

public/admin.css

@@ -257,6 +257,11 @@ body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;b
 .del-btn{background:none;border:none;color:#ef4444;cursor:pointer;font-size:1.15rem;padding:4px;flex-shrink:0}
 .del-btn:hover{opacity:.8}
 .trash-time{color:var(--muted);font-size:.75rem;margin-top:8px}
+.pending-toggle{margin-bottom:16px;max-width:680px}
+.trash-section{margin-top:24px}
+.trash-section h4{margin:16px 0 8px;font-size:.95rem;font-weight:600}
+.card.pending{border-color:#d97706;background:linear-gradient(180deg,rgba(217,119,6,.06),transparent 55%)}
+.trash-time.warn{color:#d97706;font-weight:600}
 
 /* --- Настройки (UX/UI) --- */
 .page-head{display:flex;align-items:baseline;gap:14px;margin-bottom:24px}