feat(claims): replace PersianDateInput with PersianDatePicker and add quick date range buttons

assets/admin/pages/ClaimsPage.tsx

@@ -7,9 +7,16 @@ import { formatRial, formatNumber, formatDate } from '../lib/utils';
 import PageHeader from '../components/ui/PageHeader';
 import Modal from '../components/ui/Modal';
 import SearchableSelect from '../components/ui/SearchableSelect';
-import PersianDateInput from '../components/ui/PersianDateInput';
+import PersianDatePicker from '../components/ui/PersianDatePicker';
 import FeatureGate from '../components/ui/FeatureGate';
 
+const isoNDaysAgo = (days: number): string => {
+  const d = new Date();
+  d.setDate(d.getDate() - days);
+  return d.toISOString().slice(0, 10);
+};
+const todayIso = (): string => new Date().toISOString().slice(0, 10);
+
 const toUnix = (iso: string): number | null => {
   if (!iso) return null;
   const t = new Date(iso + 'T00:00:00').getTime();
@@ -188,11 +195,29 @@ export default function ClaimsPage() {
           </div>
           <div>
             <label className="field-label">از تاریخ</label>
-            <PersianDateInput value={fromDate} onChange={setFromDate} placeholder="از تاریخ" />
+            <PersianDatePicker value={fromDate} onChange={setFromDate} placeholder="از تاریخ" />
           </div>
           <div>
             <label className="field-label">تا تاریخ</label>
-            <PersianDateInput value={toDate} onChange={setToDate} placeholder="تا تاریخ" />
+            <PersianDatePicker value={toDate} onChange={setToDate} placeholder="تا تاریخ" />
+          </div>
+          <div style={{ display: 'flex', gap: 6, alignItems: 'flex-end', paddingBottom: 1 }}>
+            <button
+              type="button"
+              className="btn sm"
+              onClick={() => { setFromDate(isoNDaysAgo(365)); setToDate(todayIso()); }}
+              title="از یک سال پیش تا امروز"
+            >
+              یک سال اخیر
+            </button>
+            <button
+              type="button"
+              className="btn sm"
+              onClick={() => { setFromDate(isoNDaysAgo(30)); setToDate(todayIso()); }}
+              title="از یک ماه پیش تا امروز"
+            >
+              یک ماه اخیر
+            </button>
           </div>
           <div style={{ flex: 1, minWidth: 200 }}>
             <label className="field-label">جستجوی بیمار (نام / موبایل / کدملی)</label>