feat: enhance schedule import functionality with support for day sections and restrictions

frontend/src/pages/ScheduleImportPage.jsx

@@ -173,7 +173,7 @@ export default function ScheduleImportPage() {
           </label>
           {mappings[route.id] && <p className="text-sm text-gray-600">В этот маршрут попадут времена из строки «{mappings[route.id]}».</p>}
           {inspection.source.rows.filter(row => row.stopName === mappings[route.id]).map(row => <details key={row.key}>
-            <summary className="text-sm text-gray-600 cursor-pointer">{row.days.map(day => DAY_LABELS[day]).join(', ')} · {row.times.length} времён</summary>
+            <summary className="text-sm text-gray-600 cursor-pointer">{row.dayLabel || row.days.map(day => DAY_LABELS[day]).join(', ')} · {row.times.length} времён</summary>
             <p className="text-sm text-gray-600 mt-2 leading-7">{row.rawTimes}</p>
           </details>)}
         </div>)}