Add Availability Calendar, Modules system, and route refactoring

- Add AvailabilityPage with price grid (categories × dates), drag-select,
  channel prices, EditPanel, PeriodModal, and rate periods tab
- Add ModulesContext with localStorage persistence and dynamic sidebar items
- Add ModulesPage with WiFi Auth, Payments, TV Welcome, Smart Locks,
  OLAP Reports, Website Builder, Booking Widget modules
- Add ReportsPage (OLAP analytics with KPI cards, charts, tables)
- Add WebsitePage and BookingWidgetPage placeholders
- Remove hotel slug from URL routing; hotel context from JWT
- Add Доступность nav item in Sidebar under Управление
- Fix LoginPage redirects and HotelSync branding

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

src/App.tsx

@@ -1,6 +1,7 @@
 import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom'
 import { ThemeProvider } from './contexts/ThemeContext'
 import { AuthProvider } from './contexts/AuthContext'
+import { ModulesProvider } from './contexts/ModulesContext'
 import { AppLayout } from './layouts/AppLayout'
 import { LoginPage } from './pages/LoginPage'
 import { CalendarPage } from './pages/CalendarPage'
@@ -10,56 +11,52 @@ import { HousekeepingPage } from './pages/HousekeepingPage'
 import { ChannelsPage } from './pages/ChannelsPage'
 import { ApiDocsPage } from './pages/ApiDocsPage'
 import { SettingsPage } from './pages/SettingsPage'
+import { ModulesPage } from './pages/ModulesPage'
+import { ReportsPage } from './pages/ReportsPage'
+import { WebsitePage } from './pages/WebsitePage'
+import { BookingWidgetPage } from './pages/BookingWidgetPage'
+import { AvailabilityPage } from './pages/AvailabilityPage'
 import { AdminDashboard } from './pages/AdminDashboard'
-import { useAuth } from './contexts/AuthContext'
-
-function RoleGuard({
-  children,
-  allow,
-}: {
-  children: React.ReactNode
-  allow: string[]
-}) {
-  const { user } = useAuth()
-  if (!user || !allow.includes(user.role)) {
-    return <Navigate to="/login" replace />
-  }
-  return <>{children}</>
-}
 
 export default function App() {
   return (
     <ThemeProvider>
       <AuthProvider>
-        <BrowserRouter>
-          <Routes>
-            {/* Public */}
-            <Route path="/login" element={<LoginPage />} />
+        <ModulesProvider>
+          <BrowserRouter>
+            <Routes>
+              {/* Public */}
+              <Route path="/login" element={<LoginPage />} />
 
-            {/* Hotel routes */}
-            <Route path="/:hotelSlug" element={<AppLayout />}>
-              <Route index element={<Navigate to="calendar" replace />} />
-              <Route path="calendar" element={<CalendarPage />} />
-              <Route path="bookings" element={<BookingsPage />} />
-              <Route path="rooms" element={<RoomsPage />} />
-              <Route path="housekeeping" element={<HousekeepingPage />} />
-              <Route path="channels" element={<ChannelsPage />} />
-              <Route path="api-docs" element={<ApiDocsPage />} />
-              <Route path="settings" element={<SettingsPage />} />
-            </Route>
+              {/* App routes */}
+              <Route element={<AppLayout />}>
+                <Route path="/calendar"        element={<CalendarPage />} />
+                <Route path="/bookings"        element={<BookingsPage />} />
+                <Route path="/rooms"           element={<RoomsPage />} />
+                <Route path="/housekeeping"    element={<HousekeepingPage />} />
+                <Route path="/channels"        element={<ChannelsPage />} />
+                <Route path="/api-docs"        element={<ApiDocsPage />} />
+                <Route path="/modules"         element={<ModulesPage />} />
+                <Route path="/settings"        element={<SettingsPage />} />
+                {/* Module pages */}
+                <Route path="/reports"         element={<ReportsPage />} />
+                <Route path="/website"         element={<WebsitePage />} />
+                <Route path="/booking-widget"  element={<BookingWidgetPage />} />
+                <Route path="/availability"   element={<AvailabilityPage />} />
+              </Route>
 
-            {/* Admin routes */}
-            <Route path="/admin" element={<AppLayout />}>
-              <Route index element={<AdminDashboard />} />
-              <Route path="hotels" element={<AdminDashboard />} />
-              <Route path="users" element={<AdminDashboard />} />
-            </Route>
+              {/* Admin routes */}
+              <Route path="/admin" element={<AppLayout />}>
+                <Route index element={<AdminDashboard />} />
+                <Route path="hotels" element={<AdminDashboard />} />
+                <Route path="users"  element={<AdminDashboard />} />
+              </Route>
 
-            {/* Default */}
-            <Route path="/" element={<Navigate to="/login" replace />} />
-            <Route path="*" element={<Navigate to="/login" replace />} />
-          </Routes>
-        </BrowserRouter>
+              <Route path="/" element={<Navigate to="/login" replace />} />
+              <Route path="*" element={<Navigate to="/login" replace />} />
+            </Routes>
+          </BrowserRouter>
+        </ModulesProvider>
       </AuthProvider>
     </ThemeProvider>
   )