Apply 7 calendar/booking UI improvements

1. Remove redundant "Шахматка бронирований" header from CalendarPage
2. Fix Saturday abbreviation: "су" → "сб" (use EEEEEE format)
3. Compact toggle: add "Вид" text label to button
4. Booking bars: check-in starts at 1/3 cell, check-out ends at 1/3 cell
5. BookingModal: move "Статус гостя" tags to left column
6. BookingDetailPanel: add scan button + print package in Docs tab
7. RentalBookingModal: add payment method + amount section

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/CalendarPage.tsx

@@ -39,14 +39,6 @@ export function CalendarPage() {
 
   return (
     <div className="flex flex-col h-full">
-      <div className="px-4 py-3 border-b border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-800 shrink-0">
-        <h1 className="text-lg font-semibold text-slate-900 dark:text-slate-100">
-          Шахматка бронирований
-        </h1>
-        <p className="text-sm text-slate-500 dark:text-slate-400">
-          Нажмите и потяните по ячейкам для создания бронирования
-        </p>
-      </div>
       <div className="flex-1 overflow-hidden">
         <BookingCalendar
           rooms={MOCK_ROOMS}