feat: Notes tab (notes + shopping lists), fix 7-day forecast layout, fix screensaver dismiss

components/Sidebar.tsx

@@ -1,8 +1,8 @@
 'use client'
 
-import { Home, Cpu, CalendarDays, Settings } from 'lucide-react'
+import { Home, Cpu, CalendarDays, StickyNote, Settings } from 'lucide-react'
 
-type Tab = 'home' | 'devices' | 'calendar' | 'settings'
+type Tab = 'home' | 'devices' | 'calendar' | 'notes' | 'settings'
 
 interface SidebarProps {
   active: Tab
@@ -13,6 +13,7 @@ const navItems: { id: Tab; icon: any; label: string }[] = [
   { id: 'home', icon: Home, label: 'Главная' },
   { id: 'devices', icon: Cpu, label: 'Устройства' },
   { id: 'calendar', icon: CalendarDays, label: 'Календарь' },
+  { id: 'notes', icon: StickyNote, label: 'Заметки' },
   { id: 'settings', icon: Settings, label: 'Настройки' },
 ]