feat: страница Оборудование — рабочие места, агенты, ККТ и принтеры

- EquipmentPage: CRUD рабочих мест, генерация кода сопряжения с таймером,
  добавление устройств (ККТ/принтер, USB/сеть), онлайн-статус агентов
- api.ts: интерфейсы Workstation, WorkstationDevice + api.workstations.*
- Sidebar: пункт «Оборудование» в группе Настройки

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

src/components/layout/Sidebar.tsx

@@ -3,7 +3,7 @@ import { useState, useEffect } from 'react'
 import {
   CalendarDays, BookOpen, BedDouble, Globe, Settings,
   FileText, LayoutDashboard, Building2, Users, X, Hotel, Puzzle, CalendarRange, Map, LayoutGrid, UserCog, UsersRound,
-  TrendingUp, Tag, Award, Wrench, Utensils, CalendarClock, Zap, ChevronRight, Star, CreditCard,
+  TrendingUp, Tag, Award, Wrench, Utensils, CalendarClock, Zap, ChevronRight, Star, CreditCard, Monitor,
 } from 'lucide-react'
 import { useAuth } from '../../contexts/AuthContext'
 import { useModules } from '../../contexts/ModulesContext'
@@ -185,7 +185,7 @@ export function Sidebar({ open, onClose }: SidebarProps) {
       prices:       ['/tariffs', '/dynamic-pricing', '/discounts', '/rental'],
       service:      ['/housekeeping', '/technical', ...activeModuleItems.map(m => m.sidebarItem!.path)],
       management:   ['/users', '/schedule', '/loyalty', '/maintenance', '/floor-map', '/channels'],
-      settingsGroup:['/modules', '/settings', '/billing'],
+      settingsGroup:['/modules', '/settings', '/billing', '/equipment'],
       devGroup:     ['/api-docs'],
     }
 
@@ -232,6 +232,7 @@ export function Sidebar({ open, onClose }: SidebarProps) {
     // settings
     { to: '/modules',         icon: Puzzle,         label: 'Модули' },
     { to: '/settings',        icon: Settings,       label: 'Настройки' },
+    { to: '/equipment',       icon: Monitor,        label: 'Оборудование' },
     // dev
     { to: '/api-docs',        icon: FileText,       label: 'API & Документация' },
   ]
@@ -410,9 +411,10 @@ export function Sidebar({ open, onClose }: SidebarProps) {
                   <GroupHeader label="Настройки" isOpen={groups.settingsGroup} onToggle={() => toggleGroup('settingsGroup')} />
                   {groups.settingsGroup && (
                     <div className="space-y-0.5">
-                      <NavItem to="/modules"  icon={Puzzle}      label="Модули"    {...navItemProps} />
-                      <NavItem to="/settings" icon={Settings}    label="Настройки" {...navItemProps} />
-                      <NavItem to="/billing"  icon={CreditCard}  label="Тарифы и оплата" {...navItemProps} />
+                      <NavItem to="/modules"    icon={Puzzle}      label="Модули"          {...navItemProps} />
+                      <NavItem to="/settings"  icon={Settings}    label="Настройки"       {...navItemProps} />
+                      <NavItem to="/billing"   icon={CreditCard}  label="Тарифы и оплата" {...navItemProps} />
+                      <NavItem to="/equipment" icon={Monitor}     label="Оборудование"    {...navItemProps} />
                     </div>
                   )}
                 </>