feat: enhance SpecialtyPicker to support parent-child relationship for specialties

assets/admin/pages/CategoriesPage.tsx

@@ -457,9 +457,16 @@ function SpecialtiesTab() {
     queryFn: () => api.get<PaginatedResponse<SpecialtyFull>>(`/api/v1/admin/specialties?page=${page}&limit=20&search=${encodeURIComponent(search)}`),
   });
 
+  const { data: rootData } = useQuery({
+    queryKey: ['admin-specialties-roots'],
+    queryFn: () => api.get<PaginatedResponse<SpecialtyFull>>('/api/v1/admin/specialties?limit=100'),
+    staleTime: 5 * 60 * 1000,
+  });
+
   const items = data?.data ?? [];
   const total = data?.meta?.totalRecords ?? 0;
-  const parentMap = Object.fromEntries(items.map((s) => [s.id, s.name]));
+  const rootItems = (rootData?.data ?? []).filter((s) => s.parent_id === null);
+  const parentMap = Object.fromEntries((rootData?.data ?? []).map((s) => [s.id, s.name]));
 
   const { register, handleSubmit, reset, control, formState: { errors } } = useForm<SpecialtyForm>({
     resolver: zodResolver(specialtySchema),
@@ -491,7 +498,7 @@ function SpecialtiesTab() {
     reset({ name: s.name, weight: String(s.weight), status: String(s.status), parent_id: s.parent_id ?? null });
   };
 
-  const parentOptions = items.filter((s) => s.parent_id === null).map((s) => ({ value: s.id, label: s.name }));
+  const parentOptions = rootItems.map((s) => ({ value: s.id, label: s.name }));
 
   const columns: Column<SpecialtyFull>[] = [
     { key: 'id',        header: 'شناسه',  render: (s) => <span className="muted" style={{ fontFamily: 'monospace', fontSize: 12 }}>{s.id}</span> },

assets/admin/pages/DoctorFormPage.tsx

@@ -12,7 +12,7 @@ import { formatNumber } from '../lib/utils';
 
 // ── Types ────────────────────────────────────────────────────────────────
 
-interface SpecialtyOption { id: number; uuid: string; name: string }
+interface SpecialtyOption { id: number; uuid: string; name: string; parent_id: number | null }
 
 // ── Schema ───────────────────────────────────────────────────────────────
 
@@ -47,21 +47,26 @@ function SpecialtyPicker({ selected, onChange, specialties }: {
   selected: number[]; onChange: (ids: number[]) => void;
   specialties: SpecialtyOption[];
 }) {
-  const [q, setQ] = useState('');
-  const filtered = useMemo(() => specialties.filter(s => s.name.includes(q)), [specialties, q]);
+  const [activeParentId, setActiveParentId] = useState<number | null>(null);
+
+  const parents = useMemo(
+    () => specialties.filter(s => s.parent_id === null),
+    [specialties]
+  );
+
+  const children = useMemo(
+    () => activeParentId !== null ? specialties.filter(s => s.parent_id === activeParentId) : [],
+    [specialties, activeParentId]
+  );
 
   const toggle = (id: number) =>
     onChange(selected.includes(id) ? selected.filter(x => x !== id) : [...selected, id]);
 
   return (
     <div className="border border-slate-200 dark:border-gray-700 rounded-xl overflow-hidden">
-      <div className="p-2 border-b border-slate-100 dark:border-gray-700 bg-slate-50 dark:bg-gray-800/60">
-        <input type="text" value={q} onChange={e => setQ(e.target.value)}
-          placeholder="جستجوی تخصص..."
-          className="cp-input text-sm h-8" />
-      </div>
+      {/* Selected chips */}
       {selected.length > 0 && (
-        <div className="px-3 py-2 border-b border-slate-100 dark:border-gray-700 flex flex-wrap gap-1">
+        <div className="px-3 py-2 border-b border-slate-100 dark:border-gray-700 flex flex-wrap gap-1 bg-slate-50 dark:bg-gray-800/40">
           {selected.map(id => {
             const s = specialties.find(x => x.id === id);
             if (!s) return null;
@@ -74,15 +79,63 @@ function SpecialtyPicker({ selected, onChange, specialties }: {
           })}
         </div>
       )}
-      <div className="max-h-52 overflow-y-auto">
-        {filtered.slice(0, 60).map(s => (
-          <label key={s.id} className="flex items-center gap-2.5 px-3 py-2 hover:bg-slate-50 dark:hover:bg-gray-800 cursor-pointer">
-            <input type="checkbox" checked={selected.includes(s.id)} onChange={() => toggle(s.id)}
-              className="rounded border-slate-300 dark:border-gray-600 text-primary-600 shrink-0" />
-            <span className="text-sm text-slate-700 dark:text-slate-300">{s.name}</span>
-          </label>
-        ))}
-        {filtered.length === 0 && <p className="text-xs text-slate-400 text-center py-4">نتیجه‌ای یافت نشد</p>}
+
+      <div className="flex" style={{ minHeight: 200 }}>
+        {/* Parents column */}
+        <div className="w-1/2 border-l border-slate-100 dark:border-gray-700 overflow-y-auto max-h-64">
+          <div className="px-3 py-1.5 text-xs font-semibold text-slate-400 dark:text-slate-500 bg-slate-50 dark:bg-gray-800/60 border-b border-slate-100 dark:border-gray-700">
+            گروه تخصص
+          </div>
+          {parents.map(p => (
+            <button
+              key={p.id}
+              type="button"
+              onClick={() => setActiveParentId(p.id)}
+              className="w-full text-right flex items-center gap-2 px-3 py-2 text-sm transition-colors"
+              style={{
+                background: activeParentId === p.id ? 'var(--primary-50, #eff6ff)' : 'transparent',
+                color: activeParentId === p.id ? 'var(--primary-700, #1d4ed8)' : undefined,
+                fontWeight: activeParentId === p.id ? 600 : 400,
+              }}
+            >
+              <span className="flex-1">{p.name}</span>
+              {specialties.some(s => s.parent_id === p.id && selected.includes(s.id)) && (
+                <span className="w-2 h-2 rounded-full bg-primary-500 shrink-0" />
+              )}
+              <span className="text-slate-300 dark:text-slate-600 text-xs">›</span>
+            </button>
+          ))}
+        </div>
+
+        {/* Children column */}
+        <div className="w-1/2 overflow-y-auto max-h-64">
+          {activeParentId === null ? (
+            <div className="flex items-center justify-center h-full text-xs text-slate-400 dark:text-slate-500 text-center px-4">
+              یک گروه تخصص را از سمت راست انتخاب کنید
+            </div>
+          ) : children.length === 0 ? (
+            <div className="flex items-center justify-center h-full text-xs text-slate-400 dark:text-slate-500">
+              زیرمجموعه‌ای یافت نشد
+            </div>
+          ) : (
+            <>
+              <div className="px-3 py-1.5 text-xs font-semibold text-slate-400 dark:text-slate-500 bg-slate-50 dark:bg-gray-800/60 border-b border-slate-100 dark:border-gray-700">
+                انتخاب تخصص
+              </div>
+              {children.map(s => (
+                <label key={s.id} className="flex items-center gap-2.5 px-3 py-2 hover:bg-slate-50 dark:hover:bg-gray-800 cursor-pointer">
+                  <input
+                    type="checkbox"
+                    checked={selected.includes(s.id)}
+                    onChange={() => toggle(s.id)}
+                    className="rounded border-slate-300 dark:border-gray-600 text-primary-600 shrink-0"
+                  />
+                  <span className="text-sm text-slate-700 dark:text-slate-300">{s.name}</span>
+                </label>
+              ))}
+            </>
+          )}
+        </div>
       </div>
     </div>
   );