Добавлена иконка на боковой тултип для отображения/скрытия подсветки датчиков на модели

frontend/app/(protected)/navigation/page.tsx

@@ -103,7 +103,9 @@ const NavigationPage: React.FC = () => {
     setSelectedNotification,
     setShowNotificationDetectorInfo,
     setSelectedAlert,
-    setShowAlertMenu
+    setShowAlertMenu,
+    showSensorHighlights,
+    toggleSensorHighlights
   } = useNavigationStore()
   
   const [detectorsData, setDetectorsData] = useState<{ detectors: Record<string, DetectorType> }>({ detectors: {} })
@@ -574,7 +576,7 @@ const NavigationPage: React.FC = () => {
                 onError={handleModelError}
                 activeMenu={showSensors ? 'sensors' : showFloorNavigation ? 'floor' : showListOfDetectors ? 'detectors' : null}
                 focusSensorId={focusedSensorId}
-                highlightAllSensors={highlightAllSensors}
+                highlightAllSensors={showSensorHighlights && highlightAllSensors}
                 sensorStatusMap={sensorStatusMap}
                 isSensorSelectionEnabled={showSensors || showFloorNavigation || showListOfDetectors}
                 onSensorPick={handleSensorSelection}

frontend/app/(protected)/navigation/page.tsx — копия 2

@@ -0,0 +1,613 @@
+'use client'
+ 
+import React, { useEffect, useCallback, useState } from 'react'
+import { useRouter, useSearchParams } from 'next/navigation'
+import Image from 'next/image'
+import Sidebar from '../../../components/ui/Sidebar'
+import AnimatedBackground from '../../../components/ui/AnimatedBackground'
+import useNavigationStore from '../../store/navigationStore'
+import Monitoring from '../../../components/navigation/Monitoring'
+import FloorNavigation from '../../../components/navigation/FloorNavigation'
+import DetectorMenu from '../../../components/navigation/DetectorMenu'
+import ListOfDetectors from '../../../components/navigation/ListOfDetectors'
+import Sensors from '../../../components/navigation/Sensors'
+import AlertMenu from '../../../components/navigation/AlertMenu'
+import Notifications from '../../../components/notifications/Notifications'
+import NotificationDetectorInfo from '../../../components/notifications/NotificationDetectorInfo'
+import dynamic from 'next/dynamic'
+import type { ModelViewerProps } from '../../../components/model/ModelViewer'
+import * as statusColors from '../../../lib/statusColors'
+ 
+const ModelViewer = dynamic<ModelViewerProps>(() => import('../../../components/model/ModelViewer'), {
+   ssr: false,
+   loading: () => (
+     <div className="w-full h-full flex items-center justify-center bg-[#0e111a]">
+       <div className="text-gray-300 animate-pulse">Загрузка 3D-модуля…</div>
+     </div>
+   ),
+ })
+
+interface DetectorType {
+  detector_id: number
+  name: string
+  serial_number: string
+  object: string
+  status: string
+  checked: boolean
+  type: string
+  detector_type: string
+  location: string
+  floor: number
+  notifications: Array<{
+    id: number
+    type: string
+    message: string
+    timestamp: string
+    acknowledged: boolean
+    priority: string
+  }>
+}
+
+interface NotificationType {
+  id: number
+  detector_id: number
+  detector_name: string
+  type: string
+  status: string
+  message: string
+  timestamp: string
+  location: string
+  object: string
+  acknowledged: boolean
+  priority: string
+}
+
+interface AlertType {
+  id: number
+  detector_id: number
+  detector_name: string
+  type: string
+  status: string
+  message: string
+  timestamp: string
+  location: string
+  object: string
+  acknowledged: boolean
+  priority: string
+}
+
+const NavigationPage: React.FC = () => {
+  const router = useRouter()
+  const searchParams = useSearchParams()
+  const { 
+    currentObject, 
+    setCurrentObject,
+    showMonitoring,
+    showFloorNavigation, 
+    showNotifications,
+    showListOfDetectors,
+    showSensors,
+    selectedDetector,
+    showDetectorMenu,
+    selectedNotification,
+    showNotificationDetectorInfo,
+    selectedAlert,
+    showAlertMenu,
+    closeMonitoring,
+    closeFloorNavigation,
+    closeNotifications,
+    closeListOfDetectors,
+    closeSensors,
+    setSelectedDetector,
+    setShowDetectorMenu,
+    setSelectedNotification,
+    setShowNotificationDetectorInfo,
+    setSelectedAlert,
+    setShowAlertMenu
+  } = useNavigationStore()
+  
+  const [detectorsData, setDetectorsData] = useState<{ detectors: Record<string, DetectorType> }>({ detectors: {} })
+  const [detectorsError, setDetectorsError] = useState<string | null>(null)
+  const [modelError, setModelError] = useState<string | null>(null)
+  const [isModelReady, setIsModelReady] = useState(false)
+  const [focusedSensorId, setFocusedSensorId] = useState<string | null>(null)
+  const [highlightAllSensors, setHighlightAllSensors] = useState(false)
+  const sensorStatusMap = React.useMemo(() => {
+    const map: Record<string, string> = {}
+    Object.values(detectorsData.detectors).forEach(d => {
+      if (d.serial_number && d.status) {
+        map[String(d.serial_number).trim()] = d.status
+      }
+    })
+    console.log('[NavigationPage] sensorStatusMap created with', Object.keys(map).length, 'sensors')
+    console.log('[NavigationPage] Sample sensor IDs in map:', Object.keys(map).slice(0, 5))
+    return map
+  }, [detectorsData])
+
+  useEffect(() => {
+    if (selectedDetector === null && selectedAlert === null) {
+      setFocusedSensorId(null);
+    }
+  }, [selectedDetector, selectedAlert]);
+
+  // Управление выделением всех сенсоров при открытии/закрытии меню Sensors
+  // ИСПРАВЛЕНО: Подсветка датчиков остается включенной всегда, независимо от состояния панели Sensors
+  useEffect(() => {
+    console.log('[NavigationPage] showSensors changed:', showSensors, 'modelReady:', isModelReady)
+    if (isModelReady) {
+      // Всегда включаем подсветку всех сенсоров когда модель готова
+      console.log('[NavigationPage] Setting highlightAllSensors to TRUE (always enabled)')
+      setHighlightAllSensors(true)
+      // Сбрасываем фокус только если панель Sensors закрыта
+      if (!showSensors) {
+        setFocusedSensorId(null)
+      }
+    }
+  }, [showSensors, isModelReady])
+
+  // Дополнительный эффект для задержки выделения сенсоров при открытии меню
+  // ИСПРАВЛЕНО: Задержка применяется только при открытии панели Sensors
+  useEffect(() => {
+    if (showSensors && isModelReady) {
+      const timer = setTimeout(() => {
+        console.log('[NavigationPage] Delayed highlightAllSensors to TRUE')
+        setHighlightAllSensors(true)
+      }, 500) // Задержка 500мс для полной инициализации модели
+      
+      return () => clearTimeout(timer)
+    }
+  }, [showSensors, isModelReady])
+  
+  const urlObjectId = searchParams.get('objectId')
+  const urlObjectTitle = searchParams.get('objectTitle')
+  const urlModelPath = searchParams.get('modelPath')
+  const objectId = currentObject.id || urlObjectId
+  const objectTitle = currentObject.title || urlObjectTitle
+  const [selectedModelPath, setSelectedModelPath] = useState<string>(urlModelPath || '')
+  
+  const handleModelLoaded = useCallback(() => { 
+    setIsModelReady(true)
+    setModelError(null)
+  }, [])
+
+  const handleModelError = useCallback((error: string) => {
+    console.error('[NavigationPage] Model loading error:', error)
+    setModelError(error)
+    setIsModelReady(false)
+  }, [])
+ 
+  useEffect(() => {
+    if (selectedModelPath) {
+      setIsModelReady(false);
+      setModelError(null);
+      // Сохраняем выбранную модель в URL для восстановления при возврате
+      const params = new URLSearchParams(searchParams.toString());
+      params.set('modelPath', selectedModelPath);
+      window.history.replaceState(null, '', `?${params.toString()}`);
+    }
+  }, [selectedModelPath, searchParams]);
+
+  useEffect(() => {
+    if (urlObjectId && (!currentObject.id || currentObject.id !== urlObjectId)) {
+      setCurrentObject(urlObjectId, urlObjectTitle ?? currentObject.title ?? undefined)
+    }
+  }, [urlObjectId, urlObjectTitle, currentObject.id, currentObject.title, setCurrentObject])
+
+  // Восстановление выбранной модели из URL при загрузке страницы
+  useEffect(() => {
+    if (urlModelPath && !selectedModelPath) {
+      setSelectedModelPath(urlModelPath);
+    }
+  }, [urlModelPath, selectedModelPath])
+
+  useEffect(() => {
+    const loadDetectors = async () => {
+      try {
+        setDetectorsError(null)
+        const res = await fetch('/api/get-detectors', { cache: 'no-store' })
+        const text = await res.text()
+        let payload: any
+        try { payload = JSON.parse(text) } catch { payload = text }
+        console.log('[NavigationPage] GET /api/get-detectors', { status: res.status, payload })
+        if (!res.ok) throw new Error(typeof payload === 'string' ? payload : (payload?.error || 'Не удалось получить детекторов'))
+        const data = payload?.data ?? payload
+        const detectors = (data?.detectors ?? {}) as Record<string, DetectorType>
+        console.log('[NavigationPage] Received detectors count:', Object.keys(detectors).length)
+        console.log('[NavigationPage] Sample detector keys:', Object.keys(detectors).slice(0, 5))
+        setDetectorsData({ detectors })
+      } catch (e: any) {
+        console.error('Ошибка загрузки детекторов:', e)
+        setDetectorsError(e?.message || 'Ошибка при загрузке детекторов')
+      }
+    }
+    loadDetectors()
+  }, [])
+
+  const handleBackClick = () => {
+    router.push('/dashboard')
+  }
+
+  const handleDetectorMenuClick = (detector: DetectorType) => {
+    // Для тестов. Выбор детектора.
+    console.log('[NavigationPage] Selected detector click:', {
+      detector_id: detector.detector_id,
+      name: detector.name,
+      serial_number: detector.serial_number,
+    })
+
+    // Проверяем, что детектор имеет необходимые данные
+    if (!detector || !detector.detector_id || !detector.serial_number) {
+      console.warn('[NavigationPage] Invalid detector data, skipping menu display:', detector)
+      return
+    }
+
+    if (selectedDetector?.serial_number === detector.serial_number && showDetectorMenu) {
+      closeDetectorMenu()
+    } else {
+      setSelectedDetector(detector)
+      setShowDetectorMenu(true)
+      setFocusedSensorId(detector.serial_number)
+      setShowAlertMenu(false) 
+      setSelectedAlert(null)
+      // При открытии меню детектора - сбрасываем множественное выделение
+      setHighlightAllSensors(false)
+    }
+  }
+
+  const closeDetectorMenu = () => {
+    setShowDetectorMenu(false)
+    setSelectedDetector(null)
+    setFocusedSensorId(null)
+    setSelectedAlert(null)
+    // При закрытии меню детектора - выделяем все сенсоры снова
+    setHighlightAllSensors(true)
+  }
+
+  const handleNotificationClick = (notification: NotificationType) => {
+    if (selectedNotification?.id === notification.id && showNotificationDetectorInfo) {
+      setShowNotificationDetectorInfo(false)
+      setSelectedNotification(null)
+    } else {
+      setSelectedNotification(notification)
+      setShowNotificationDetectorInfo(true)
+    }
+  }
+
+  const closeNotificationDetectorInfo = () => {
+    setShowNotificationDetectorInfo(false)
+    setSelectedNotification(null)
+  }
+
+  const closeAlertMenu = () => {
+    setShowAlertMenu(false)
+    setSelectedAlert(null)
+    setFocusedSensorId(null)
+    setSelectedDetector(null)
+    // При закрытии меню алерта - выделяем все сенсоры снова
+    setHighlightAllSensors(true)
+  }
+ 
+  const handleAlertClick = (alert: AlertType) => {
+    console.log('[NavigationPage] Alert clicked, focusing on detector in 3D scene:', alert)
+     
+    const detector = Object.values(detectorsData.detectors).find(
+      d => d.detector_id === alert.detector_id
+    )
+    
+    if (detector) {
+      if (selectedAlert?.id === alert.id && showAlertMenu) {
+        closeAlertMenu()
+      } else {
+        setSelectedAlert(alert)
+        setShowAlertMenu(true)
+        setFocusedSensorId(detector.serial_number)
+        setShowDetectorMenu(false)
+        setSelectedDetector(null)
+        // При открытии меню алерта - сбрасываем множественное выделение
+        setHighlightAllSensors(false)
+        console.log('[NavigationPage] Showing AlertMenu for alert:', alert.detector_name)
+      }
+    } else {
+      console.warn('[NavigationPage] Could not find detector for alert:', alert.detector_id)
+    }
+  }
+
+  const handleSensorSelection = (serialNumber: string | null) => {
+    if (serialNumber === null) {
+      setFocusedSensorId(null);
+      closeDetectorMenu();
+      closeAlertMenu();
+      // If we're in Sensors menu and no sensor is selected, highlight all sensors
+      if (showSensors) {
+        setHighlightAllSensors(true);
+      }
+      return;
+    }
+
+    if (focusedSensorId === serialNumber) {
+      setFocusedSensorId(null);
+      closeDetectorMenu();
+      closeAlertMenu();
+      // If we're in Sensors menu and deselected the current sensor, highlight all sensors
+      if (showSensors) {
+        setHighlightAllSensors(true);
+      }
+      return;
+    }
+
+    // При выборе конкретного сенсора - сбрасываем множественное выделение
+    setHighlightAllSensors(false)
+
+    const detector = Object.values(detectorsData?.detectors || {}).find(
+      (d) => d.serial_number === serialNumber
+    );
+
+    if (detector) {
+      if (showFloorNavigation || showListOfDetectors) {
+        handleDetectorMenuClick(detector);
+      } else if (detector.notifications && detector.notifications.length > 0) {
+        const sortedNotifications = [...detector.notifications].sort((a, b) => {
+          const priorityOrder: { [key: string]: number } = { critical: 0, warning: 1, info: 2 };
+          return priorityOrder[a.priority.toLowerCase()] - priorityOrder[b.priority.toLowerCase()];
+        });
+        const notification = sortedNotifications[0];
+        const alert: AlertType = {
+          ...notification,
+          detector_id: detector.detector_id,
+          detector_name: detector.name,
+          location: detector.location,
+          object: detector.object,
+          status: detector.status,
+          type: notification.type || 'info',
+        };
+        handleAlertClick(alert);
+      } else {
+        handleDetectorMenuClick(detector);
+      }
+    } else {
+      setFocusedSensorId(null);
+      closeDetectorMenu();
+      closeAlertMenu();
+      // If we're in Sensors menu and no valid detector found, highlight all sensors
+      if (showSensors) {
+        setHighlightAllSensors(true);
+      }
+    }
+  };
+
+  const getStatusText = (status: string) => {
+    const s = (status || '').toLowerCase()
+    switch (s) {
+      case statusColors.STATUS_COLOR_CRITICAL:
+      case 'critical':
+        return 'Критический'
+      case statusColors.STATUS_COLOR_WARNING:
+      case 'warning':
+        return 'Предупреждение'
+      case statusColors.STATUS_COLOR_NORMAL:
+      case 'normal':
+        return 'Норма'
+      default:
+        return 'Неизвестно'
+    }
+  }
+
+  return (
+    <div className="relative flex h-screen bg-[#0e111a] overflow-hidden">
+      <AnimatedBackground />
+      <div className="relative z-20">
+        <Sidebar 
+          activeItem={2}
+        />
+      </div>
+      
+      <div className="relative z-10 flex-1 flex flex-col">
+        
+        {showMonitoring && (
+          <div className="absolute left-0 top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-20 w-[500px]">
+            <div className="h-full overflow-auto p-4">
+              <Monitoring 
+                onClose={closeMonitoring}
+                onSelectModel={(path) => {
+                  console.log('[NavigationPage] Model selected:', path);
+                  setSelectedModelPath(path)
+                  setModelError(null)
+                  setIsModelReady(false)
+                }}
+              />
+            </div>
+          </div>
+        )}
+
+        {showFloorNavigation && (
+          <div className="absolute left-0 top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-20 w-[500px]">
+            <div className="h-full overflow-auto p-4">
+              <FloorNavigation 
+                objectId={objectId || undefined}
+                detectorsData={detectorsData}
+                onDetectorMenuClick={handleDetectorMenuClick}
+                onClose={closeFloorNavigation}
+                is3DReady={isModelReady && !modelError}
+              />
+            </div>
+          </div>
+        )}
+ 
+        {showNotifications && (
+          <div className="absolute left-0 top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-20 w-[500px]">
+            <div className="h-full overflow-auto p-4">
+              <Notifications 
+                objectId={objectId || undefined}
+                detectorsData={detectorsData}
+                onNotificationClick={handleNotificationClick}
+                onClose={closeNotifications}
+              />
+              {detectorsError && (
+                <div className="mt-2 text-sm text-red-400">{detectorsError}</div>
+              )}
+            </div>
+          </div>
+        )}
+
+        {showListOfDetectors && (
+          <div className="absolute left-0 top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-20 w-[500px]">
+            <div className="h-full overflow-auto p-4">
+              <ListOfDetectors 
+                objectId={objectId || undefined}
+                detectorsData={detectorsData}
+                onDetectorMenuClick={handleDetectorMenuClick}
+                onClose={closeListOfDetectors}
+                is3DReady={selectedModelPath ? !modelError : false}
+              />
+              {detectorsError && (
+                <div className="mt-2 text-sm text-red-400">{detectorsError}</div>
+              )}
+            </div>
+          </div>
+        )}
+
+        {showSensors && (
+          <div className="absolute left-0 top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-20 w-[500px]">
+            <div className="h-full overflow-auto p-4">
+              <Sensors 
+                objectId={objectId || undefined}
+                detectorsData={detectorsData}
+                onAlertClick={handleAlertClick}
+                onClose={closeSensors}
+                is3DReady={selectedModelPath ? !modelError : false}
+              />
+              {detectorsError && (
+                <div className="mt-2 text-sm text-red-400">{detectorsError}</div>
+              )}
+            </div>
+          </div>
+        )}
+
+        {showNotifications && showNotificationDetectorInfo && selectedNotification && (() => {
+          const detectorData = Object.values(detectorsData.detectors).find(
+            detector => detector.detector_id === selectedNotification.detector_id
+          );
+          return detectorData ? (
+            <div className="absolute left-[500px] top-[73px] bottom-0 bg-[#161824] border-r border-gray-700 z-30 w-[454px]">
+              <div className="h-full overflow-auto p-4">
+                <NotificationDetectorInfo 
+                  detectorData={detectorData}
+                  onClose={closeNotificationDetectorInfo}
+                />
+              </div>
+            </div>
+          ) : null;
+        })()}
+        
+        {showFloorNavigation && showDetectorMenu && selectedDetector && (
+          null
+        )}
+
+        <header className="bg-[#161824] border-b border-gray-700 px-6 h-[73px] flex items-center">
+          <div className="flex items-center justify-between w-full">
+            <div className="flex items-center gap-4">
+              <button 
+                onClick={handleBackClick}
+                className="text-gray-400 hover:text-white transition-colors"
+                aria-label="Назад к дашборду"
+              >
+                <svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+                </svg>
+              </button>
+              <nav className="flex items-center gap-2 text-sm">
+                <span className="text-gray-400">Дашборд</span>
+                <span className="text-gray-600">{'/'}</span>
+                <span className="text-white">{objectTitle || 'Объект'}</span>
+                <span className="text-gray-600">{'/'}</span>
+                <span className="text-white">Навигация</span>
+              </nav>
+            </div>
+          </div>
+        </header>
+        
+        <div className="flex-1 overflow-hidden">
+          <div className="h-full">
+            {modelError ? (
+          <>
+            {console.log('[NavigationPage] Rendering error message, modelError:', modelError)}
+            <div className="h-full flex items-center justify-center bg-[#0e111a]">
+              <div className="text-center p-8 bg-[#161824] rounded-lg border border-gray-700 max-w-md">
+                <div className="text-red-400 text-lg font-semibold mb-4">
+                  Ошибка загрузки 3D модели
+                </div>
+                <div className="text-gray-300 mb-4">
+                  {modelError}
+                </div>
+                <div className="text-sm text-gray-400">
+                  Используйте навигацию по этажам для просмотра детекторов
+                </div>
+              </div>
+            </div>
+          </>
+        ) : !selectedModelPath ? (
+          <div className="h-full flex items-center justify-center bg-[#0e111a]">
+            <div className="text-center p-8 flex flex-col items-center">
+              <Image 
+                src="/icons/logo.png" 
+                alt="AerBIM HT Monitor" 
+                width={300} 
+                height={41} 
+                className="mb-6"
+              />
+              <div className="text-gray-300 text-lg">
+                Выберите модель для отображения
+              </div>
+            </div>
+          </div>
+        ) : (
+              <ModelViewer
+                key={selectedModelPath || 'no-model'}
+                modelPath={selectedModelPath}
+                onSelectModel={(path) => {
+                  console.log('[NavigationPage] Model selected:', path);
+                  setSelectedModelPath(path)
+                  setModelError(null)
+                  setIsModelReady(false)
+                }}
+                onModelLoaded={handleModelLoaded}
+                onError={handleModelError}
+                activeMenu={showSensors ? 'sensors' : showFloorNavigation ? 'floor' : showListOfDetectors ? 'detectors' : null}
+                focusSensorId={focusedSensorId}
+                highlightAllSensors={highlightAllSensors}
+                sensorStatusMap={sensorStatusMap}
+                isSensorSelectionEnabled={showSensors || showFloorNavigation || showListOfDetectors}
+                onSensorPick={handleSensorSelection}
+                renderOverlay={({ anchor }) => (
+                  <>
+                    {selectedAlert && showAlertMenu && anchor ? (
+                      <AlertMenu
+                        alert={selectedAlert}
+                        isOpen={true}
+                        onClose={closeAlertMenu}
+                        getStatusText={getStatusText}
+                        compact={true}
+                        anchor={anchor}
+                      />
+                    ) : selectedDetector && showDetectorMenu && anchor ? (
+                      <DetectorMenu
+                        detector={selectedDetector}
+                        isOpen={true}
+                        onClose={closeDetectorMenu}
+                        getStatusText={getStatusText}
+                        compact={true}
+                        anchor={anchor}
+                      />
+                    ) : null}
+                  </>
+                )}
+                />
+              )}
+            </div>
+          </div>
+        </div>
+      </div> 
+  )
+}
+
+export default NavigationPage

frontend/app/store/navigationStore.ts

@@ -68,6 +68,7 @@ export interface NavigationStore {
   showNotifications: boolean
   showListOfDetectors: boolean
   showSensors: boolean
+  showSensorHighlights: boolean
   
   selectedDetector: DetectorType | null
   showDetectorMenu: boolean
@@ -100,6 +101,8 @@ export interface NavigationStore {
   closeListOfDetectors: () => void
   openSensors: () => void
   closeSensors: () => void
+  toggleSensorHighlights: () => void
+  setSensorHighlights: (show: boolean) => void
   
   closeAllMenus: () => void
   clearSelections: () => void
@@ -137,6 +140,7 @@ const useNavigationStore = create<NavigationStore>()(
       showNotifications: false,
       showListOfDetectors: false,
       showSensors: false,
+      showSensorHighlights: true,
       
       selectedDetector: null,
       showDetectorMenu: false,
@@ -316,6 +320,9 @@ const useNavigationStore = create<NavigationStore>()(
         currentSubmenu: null 
       }),
       
+      toggleSensorHighlights: () => set((state) => ({ showSensorHighlights: !state.showSensorHighlights })),
+      setSensorHighlights: (show: boolean) => set({ showSensorHighlights: show }),
+      
       closeAllMenus: () => {
         set({
           showMonitoring: false,

frontend/app/store/navigationStore — копия.ts

@@ -0,0 +1,373 @@
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+import type { Zone } from '@/app/types'
+
+export interface DetectorType {
+  detector_id: number
+  name: string
+  serial_number: string
+  object: string
+  status: string
+  type: string
+  detector_type: string
+  location: string
+  floor: number
+  checked: boolean
+  notifications: Array<{
+    id: number
+    type: string
+    message: string
+    timestamp: string
+    acknowledged: boolean
+    priority: string
+  }>
+}
+
+interface NotificationType {
+  id: number
+  detector_id: number
+  detector_name: string
+  type: string
+  status: string
+  message: string
+  timestamp: string
+  location: string
+  object: string
+  acknowledged: boolean
+  priority: string
+}
+
+interface AlertType {
+  id: number
+  detector_id: number
+  detector_name: string
+  type: string
+  status: string
+  message: string
+  timestamp: string
+  location: string
+  object: string
+  acknowledged: boolean
+  priority: string
+}
+
+export interface NavigationStore {
+  currentObject: { id: string | undefined; title: string | undefined }
+  navigationHistory: string[]
+  currentSubmenu: string | null
+  currentModelPath: string | null
+  
+  // Состояния Зон
+  currentZones: Zone[]
+  zonesCache: Record<string, Zone[]>
+  zonesLoading: boolean
+  zonesError: string | null
+  
+  showMonitoring: boolean
+  showFloorNavigation: boolean
+  showNotifications: boolean
+  showListOfDetectors: boolean
+  showSensors: boolean
+  
+  selectedDetector: DetectorType | null
+  showDetectorMenu: boolean
+  selectedNotification: NotificationType | null
+  showNotificationDetectorInfo: boolean
+  selectedAlert: AlertType | null
+  showAlertMenu: boolean
+  
+  setCurrentObject: (id: string | undefined, title: string | undefined) => void
+  clearCurrentObject: () => void
+  addToHistory: (path: string) => void
+  goBack: () => string | null
+  setCurrentModelPath: (path: string) => void
+  
+  setCurrentSubmenu: (submenu: string | null) => void
+  clearSubmenu: () => void
+  
+  // Действия с зонами
+  loadZones: (objectId: string) => Promise<void>
+  setZones: (zones: Zone[]) => void
+  clearZones: () => void
+  
+  openMonitoring: () => void
+  closeMonitoring: () => void
+  openFloorNavigation: () => void
+  closeFloorNavigation: () => void
+  openNotifications: () => void
+  closeNotifications: () => void
+  openListOfDetectors: () => void
+  closeListOfDetectors: () => void
+  openSensors: () => void
+  closeSensors: () => void
+  
+  closeAllMenus: () => void
+  clearSelections: () => void
+  
+  setSelectedDetector: (detector: DetectorType | null) => void
+  setShowDetectorMenu: (show: boolean) => void
+  setSelectedNotification: (notification: NotificationType | null) => void
+  setShowNotificationDetectorInfo: (show: boolean) => void
+  setSelectedAlert: (alert: AlertType | null) => void
+  setShowAlertMenu: (show: boolean) => void
+  
+  isOnNavigationPage: () => boolean
+  getCurrentRoute: () => string | null
+  getActiveSidebarItem: () => number
+}
+
+const useNavigationStore = create<NavigationStore>()(
+  persist(
+    (set, get) => ({ 
+      currentObject: {
+        id: undefined,
+        title: undefined,
+      },
+      navigationHistory: [],
+      currentSubmenu: null,
+      currentModelPath: null,
+      
+      currentZones: [],
+      zonesCache: {},
+      zonesLoading: false,
+      zonesError: null,
+      
+      showMonitoring: false,
+      showFloorNavigation: false,
+      showNotifications: false,
+      showListOfDetectors: false,
+      showSensors: false,
+      
+      selectedDetector: null,
+      showDetectorMenu: false,
+      selectedNotification: null,
+      showNotificationDetectorInfo: false,
+      selectedAlert: null,
+      showAlertMenu: false,
+
+      setCurrentObject: (id: string | undefined, title: string | undefined) => 
+        set({ currentObject: { id, title } }),
+      
+      clearCurrentObject: () => 
+        set({ currentObject: { id: undefined, title: undefined } }),
+      
+      setCurrentModelPath: (path: string) => set({ currentModelPath: path }),
+
+      addToHistory: (path: string) => {
+        const { navigationHistory } = get()
+        const newHistory = [...navigationHistory, path] 
+        if (newHistory.length > 10) {
+          newHistory.shift()
+        }
+        set({ navigationHistory: newHistory })
+      },
+      
+      goBack: () => {
+        const { navigationHistory } = get()
+        if (navigationHistory.length > 1) {
+          const newHistory = [...navigationHistory]
+          newHistory.pop()  
+          const previousPage = newHistory.pop() 
+          set({ navigationHistory: newHistory })
+          return previousPage || null
+        }
+        return null
+      },
+      
+      setCurrentSubmenu: (submenu: string | null) => 
+        set({ currentSubmenu: submenu }),
+      
+      clearSubmenu: () => 
+        set({ currentSubmenu: null }),
+      
+      loadZones: async (objectId: string) => {
+        const cache = get().zonesCache
+        const cached = cache[objectId]
+        const hasCached = Array.isArray(cached) && cached.length > 0
+        if (hasCached) {
+          // Показываем кэшированные зоны сразу, но обновляем в фоне
+          set({ currentZones: cached, zonesLoading: true, zonesError: null })
+        } else {
+          set({ zonesLoading: true, zonesError: null })
+        }
+        try {
+          const res = await fetch(`/api/get-zones?objectId=${encodeURIComponent(objectId)}`, { cache: 'no-store' })
+          const text = await res.text()
+          let payload: string | Record<string, unknown>
+          try { payload = JSON.parse(text) } catch { payload = text }
+          if (!res.ok) throw new Error(typeof payload === 'string' ? payload : (payload?.error as string || 'Не удалось получить зоны'))
+          const zones: Zone[] = typeof payload === 'string' ? [] : 
+            Array.isArray(payload?.data) ? payload.data as Zone[] : 
+            (payload?.data && typeof payload.data === 'object' && 'zones' in payload.data ? (payload.data as { zones?: Zone[] }).zones : 
+             payload?.zones ? payload.zones as Zone[] : []) || []
+          const normalized = zones.map((z) => ({
+            ...z,
+            image_path: z.image_path ?? null,
+          }))
+          set((state) => ({
+            currentZones: normalized,
+            zonesCache: { ...state.zonesCache, [objectId]: normalized },
+            zonesLoading: false,
+            zonesError: null,
+          }))
+        } catch (e: unknown) {
+          set({ zonesLoading: false, zonesError: (e as Error)?.message || 'Ошибка при загрузке зон' })
+        }
+      },
+      
+      setZones: (zones: Zone[]) => set({ currentZones: zones }),
+      clearZones: () => set({ currentZones: [] }),
+      
+      openMonitoring: () => {
+        set({ 
+          showMonitoring: true, 
+          showFloorNavigation: false, 
+          showNotifications: false,
+          showListOfDetectors: false,
+          currentSubmenu: 'monitoring',
+          showDetectorMenu: false,
+          selectedDetector: null,
+          showNotificationDetectorInfo: false,
+          selectedNotification: null,
+          zonesError: null // Очищаем ошибку зон при открытии мониторинга
+        })
+        const objId = get().currentObject.id
+        if (objId) {
+          // Вызываем загрузку зон сразу, но обновляем в фоне
+          get().loadZones(objId)
+        }
+      },
+      
+      closeMonitoring: () => set({ 
+        showMonitoring: false, 
+        currentSubmenu: null 
+      }),
+      
+      openFloorNavigation: () => set({ 
+        showFloorNavigation: true, 
+        showMonitoring: false, 
+        showNotifications: false,
+        showListOfDetectors: false,
+        currentSubmenu: 'floors',
+        showNotificationDetectorInfo: false,
+        selectedNotification: null
+      }),
+      
+      closeFloorNavigation: () => set({ 
+        showFloorNavigation: false, 
+        showDetectorMenu: false,
+        selectedDetector: null,
+        currentSubmenu: null 
+      }),
+      
+      openNotifications: () => set({ 
+        showNotifications: true, 
+        showMonitoring: false, 
+        showFloorNavigation: false,
+        showListOfDetectors: false,
+        currentSubmenu: 'notifications',
+        showDetectorMenu: false,
+        selectedDetector: null
+      }),
+      
+      closeNotifications: () => set({ 
+        showNotifications: false, 
+        showNotificationDetectorInfo: false,
+        selectedNotification: null,
+        currentSubmenu: null 
+      }),
+      
+      openListOfDetectors: () => set({ 
+        showListOfDetectors: true, 
+        showMonitoring: false, 
+        showFloorNavigation: false,
+        showNotifications: false,
+        currentSubmenu: 'detectors',
+        showDetectorMenu: false,
+        selectedDetector: null,
+        showNotificationDetectorInfo: false,
+        selectedNotification: null
+      }),
+      
+      closeListOfDetectors: () => set({ 
+        showListOfDetectors: false, 
+        showDetectorMenu: false,
+        selectedDetector: null,
+        currentSubmenu: null 
+      }),
+      
+      openSensors: () => set({ 
+        showSensors: true, 
+        showMonitoring: false, 
+        showFloorNavigation: false,
+        showNotifications: false,
+        showListOfDetectors: false,
+        currentSubmenu: 'sensors',
+        showDetectorMenu: false,
+        selectedDetector: null,
+        showNotificationDetectorInfo: false,
+        selectedNotification: null
+      }),
+      
+      closeSensors: () => set({ 
+        showSensors: false, 
+        showDetectorMenu: false,
+        selectedDetector: null,
+        currentSubmenu: null 
+      }),
+      
+      closeAllMenus: () => {
+        set({
+          showMonitoring: false,
+          showFloorNavigation: false,
+          showNotifications: false,
+          showListOfDetectors: false,
+          showSensors: false,
+          currentSubmenu: null,
+        });
+        get().clearSelections();
+      },
+      
+      clearSelections: () => set({
+        selectedDetector: null,
+        showDetectorMenu: false,
+        selectedAlert: null,
+        showAlertMenu: false,
+      }),
+
+      setSelectedDetector: (detector: DetectorType | null) => set({ selectedDetector: detector }),
+      setShowDetectorMenu: (show: boolean) => set({ showDetectorMenu: show }),
+      setSelectedNotification: (notification: NotificationType | null) => set({ selectedNotification: notification }),
+      setShowNotificationDetectorInfo: (show: boolean) => set({ showNotificationDetectorInfo: show }),
+      setSelectedAlert: (alert: AlertType | null) => set({ selectedAlert: alert }),
+      setShowAlertMenu: (show: boolean) => set({ showAlertMenu: show }),
+ 
+      isOnNavigationPage: () => {
+        const { navigationHistory } = get()
+        const currentRoute = navigationHistory[navigationHistory.length - 1]
+        return currentRoute === '/navigation'
+      },
+      
+      getCurrentRoute: () => {
+        const { navigationHistory } = get()
+        return navigationHistory[navigationHistory.length - 1] || null
+      },
+      
+      getActiveSidebarItem: () => {
+        const { showMonitoring, showFloorNavigation, showNotifications, showListOfDetectors, showSensors } = get()
+        if (showMonitoring) return 3 // Зоны Мониторинга
+        if (showFloorNavigation) return 4 // Навигация по этажам
+        if (showNotifications) return 5 // Уведомления
+        if (showListOfDetectors) return 7 // Список датчиков
+        if (showSensors) return 8 // Сенсоры
+        return 2 // Навигация (базовая)
+      }
+    }),
+    {
+      name: 'navigation-store',
+    }
+  )
+)
+
+export default useNavigationStore
+ 

frontend/components/model/ModelViewer.tsx

@@ -25,6 +25,7 @@ import '@babylonjs/loaders'
  
 import SceneToolbar from './SceneToolbar';
 import LoadingSpinner from '../ui/LoadingSpinner'
+import useNavigationStore from '@/app/store/navigationStore'
 import {
   getSensorIdFromMesh,
   collectSensorMeshes,
@@ -862,6 +863,8 @@ const ModelViewer: React.FC<ModelViewerProps> = ({
             onPan={handlePan}
             onSelectModel={onSelectModel}
             panActive={panActive}
+            onToggleSensorHighlights={useNavigationStore.getState().toggleSensorHighlights}
+            sensorHighlightsActive={useNavigationStore.getState().showSensorHighlights}
           />
         </>
       )}

frontend/components/model/ModelViewer.tsx — копия 2

@@ -0,0 +1,911 @@
+'use client'
+
+import React, { useEffect, useRef, useState } from 'react'
+ 
+import {
+  Engine,
+  Scene,
+  Vector3,
+  HemisphericLight,
+  ArcRotateCamera,
+  Color3,
+  Color4,
+  AbstractMesh,
+  Nullable,
+  HighlightLayer, 
+  Animation,
+  CubicEase,
+  EasingFunction, 
+  ImportMeshAsync,
+  PointerEventTypes,
+  PointerInfo,
+  Matrix,
+} from '@babylonjs/core'
+import '@babylonjs/loaders'
+ 
+import SceneToolbar from './SceneToolbar';
+import LoadingSpinner from '../ui/LoadingSpinner'
+import {
+  getSensorIdFromMesh,
+  collectSensorMeshes,
+  applyHighlightToMeshes,
+  statusToColor3,
+} from './sensorHighlight'
+import {
+  computeSensorOverlayCircles,
+  hexWithAlpha,
+} from './sensorHighlightOverlay'
+ 
+export interface ModelViewerProps {
+  modelPath: string
+  onSelectModel: (path: string) => void;
+  onModelLoaded?: (modelData: {
+    meshes: AbstractMesh[]
+    boundingBox: {
+      min: { x: number; y: number; z: number }
+      max: { x: number; y: number; z: number }
+    }
+  }) => void
+  onError?: (error: string) => void 
+  activeMenu?: string | null
+  focusSensorId?: string | null
+  renderOverlay?: (params: { anchor: { left: number; top: number } | null; info?: { name?: string; sensorId?: string } | null }) => React.ReactNode
+  isSensorSelectionEnabled?: boolean
+  onSensorPick?: (sensorId: string | null) => void
+  highlightAllSensors?: boolean
+  sensorStatusMap?: Record<string, string>
+}
+
+const ModelViewer: React.FC<ModelViewerProps> = ({
+  modelPath,
+  onSelectModel,
+  onModelLoaded,
+  onError,
+  focusSensorId,
+  renderOverlay,
+  isSensorSelectionEnabled,
+  onSensorPick,
+  highlightAllSensors,
+  sensorStatusMap,
+}) => {
+  const canvasRef = useRef<HTMLCanvasElement>(null)
+  const engineRef = useRef<Nullable<Engine>>(null)
+  const sceneRef = useRef<Nullable<Scene>>(null)
+  const [isLoading, setIsLoading] = useState(false)
+  const [loadingProgress, setLoadingProgress] = useState(0)
+  const [showModel, setShowModel] = useState(false)
+  const isInitializedRef = useRef(false)
+  const isDisposedRef = useRef(false)
+  const importedMeshesRef = useRef<AbstractMesh[]>([])
+  const highlightLayerRef = useRef<HighlightLayer | null>(null)
+  const highlightedMeshesRef = useRef<AbstractMesh[]>([])
+  const chosenMeshRef = useRef<AbstractMesh | null>(null)
+  const [overlayPos, setOverlayPos] = useState<{ left: number; top: number } | null>(null)
+  const [overlayData, setOverlayData] = useState<{ name?: string; sensorId?: string } | null>(null)
+  const [modelReady, setModelReady] = useState(false)
+  const [panActive, setPanActive] = useState(false);
+  const [webglError, setWebglError] = useState<string | null>(null)
+  const [allSensorsOverlayCircles, setAllSensorsOverlayCircles] = useState<
+    { sensorId: string; left: number; top: number; colorHex: string }[]
+  >([])
+  // NEW: State for tracking hovered sensor in overlay circles
+  const [hoveredSensorId, setHoveredSensorId] = useState<string | null>(null)
+
+  const handlePan = () => setPanActive(!panActive);
+
+  useEffect(() => {
+    const scene = sceneRef.current;
+    const camera = scene?.activeCamera as ArcRotateCamera;
+    const canvas = canvasRef.current;
+
+    if (!scene || !camera || !canvas) {
+      return;
+    }
+
+    let observer: any = null;
+
+    if (panActive) { 
+      camera.detachControl();
+
+      observer = scene.onPointerObservable.add((pointerInfo: PointerInfo) => {
+        const evt = pointerInfo.event;
+
+        if (evt.buttons === 1) {
+          camera.inertialPanningX -= evt.movementX / camera.panningSensibility;
+          camera.inertialPanningY += evt.movementY / camera.panningSensibility;
+        }
+        else if (evt.buttons === 2) {
+          camera.inertialAlphaOffset -= evt.movementX / camera.angularSensibilityX;
+          camera.inertialBetaOffset -= evt.movementY / camera.angularSensibilityY;
+        }
+      }, PointerEventTypes.POINTERMOVE);
+
+    } else {
+      camera.detachControl();
+      camera.attachControl(canvas, true);
+    }
+
+    return () => {
+      if (observer) {
+        scene.onPointerObservable.remove(observer);
+      }
+      if (!camera.isDisposed() && !camera.inputs.attachedToElement) {
+        camera.attachControl(canvas, true);
+      }
+    };
+  }, [panActive, sceneRef, canvasRef]);
+
+  const handleZoomIn = () => {
+     const camera = sceneRef.current?.activeCamera as ArcRotateCamera
+     if (camera) {
+       sceneRef.current?.stopAnimation(camera)
+       const ease = new CubicEase()
+       ease.setEasingMode(EasingFunction.EASINGMODE_EASEOUT)
+ 
+       const frameRate = 60
+       const durationMs = 300
+       const totalFrames = Math.round((durationMs / 1000) * frameRate)
+ 
+       const currentRadius = camera.radius
+       const targetRadius = Math.max(camera.lowerRadiusLimit ?? 0.1, currentRadius * 0.8)
+ 
+       Animation.CreateAndStartAnimation(
+         'zoomIn',
+         camera,
+         'radius',
+         frameRate,
+         totalFrames,
+         currentRadius,
+         targetRadius,
+         Animation.ANIMATIONLOOPMODE_CONSTANT,
+         ease
+       )
+     }
+   }
+    const handleZoomOut = () => {
+     const camera = sceneRef.current?.activeCamera as ArcRotateCamera
+     if (camera) {
+       sceneRef.current?.stopAnimation(camera)
+       const ease = new CubicEase()
+       ease.setEasingMode(EasingFunction.EASINGMODE_EASEOUT)
+ 
+       const frameRate = 60
+       const durationMs = 300
+       const totalFrames = Math.round((durationMs / 1000) * frameRate)
+ 
+       const currentRadius = camera.radius
+       const targetRadius = Math.min(camera.upperRadiusLimit ?? Infinity, currentRadius * 1.2)
+ 
+       Animation.CreateAndStartAnimation(
+         'zoomOut',
+         camera,
+         'radius',
+         frameRate,
+         totalFrames,
+         currentRadius,
+         targetRadius,
+         Animation.ANIMATIONLOOPMODE_CONSTANT,
+         ease
+       )
+     }
+   }
+    const handleTopView = () => {
+      const camera = sceneRef.current?.activeCamera as ArcRotateCamera;
+      if (camera) {
+        sceneRef.current?.stopAnimation(camera);
+        const ease = new CubicEase();
+        ease.setEasingMode(EasingFunction.EASINGMODE_EASEOUT);
+
+        const frameRate = 60;
+        const durationMs = 500;
+        const totalFrames = Math.round((durationMs / 1000) * frameRate);
+
+        Animation.CreateAndStartAnimation(
+          'topViewAlpha',
+          camera,
+          'alpha',
+          frameRate,
+          totalFrames,
+          camera.alpha,
+          Math.PI / 2,
+          Animation.ANIMATIONLOOPMODE_CONSTANT,
+          ease
+        );
+
+        Animation.CreateAndStartAnimation(
+          'topViewBeta',
+          camera,
+          'beta',
+          frameRate,
+          totalFrames,
+          camera.beta,
+          0,
+          Animation.ANIMATIONLOOPMODE_CONSTANT,
+          ease
+        );
+      }
+    };
+
+  // NEW: Function to handle overlay circle click
+  const handleOverlayCircleClick = (sensorId: string) => {
+    console.log('[ModelViewer] Overlay circle clicked:', sensorId)
+    
+    // Find the mesh for this sensor
+    const allMeshes = importedMeshesRef.current || []
+    const sensorMeshes = collectSensorMeshes(allMeshes)
+    const targetMesh = sensorMeshes.find(m => getSensorIdFromMesh(m) === sensorId)
+
+    if (!targetMesh) {
+      console.warn(`[ModelViewer] Mesh not found for sensor: ${sensorId}`)
+      return
+    }
+
+    const scene = sceneRef.current
+    const camera = scene?.activeCamera as ArcRotateCamera
+    if (!scene || !camera) return
+
+    // Calculate bounding box of the sensor mesh
+    const bbox = (typeof targetMesh.getHierarchyBoundingVectors === 'function')
+      ? targetMesh.getHierarchyBoundingVectors()
+      : { 
+          min: targetMesh.getBoundingInfo().boundingBox.minimumWorld, 
+          max: targetMesh.getBoundingInfo().boundingBox.maximumWorld 
+        }
+
+    const center = bbox.min.add(bbox.max).scale(0.5)
+    const size = bbox.max.subtract(bbox.min)
+    const maxDimension = Math.max(size.x, size.y, size.z)
+    
+    // Calculate optimal camera distance
+    const targetRadius = Math.max(camera.lowerRadiusLimit ?? 2, maxDimension * 1.5)
+
+    // Stop any current animations
+    scene.stopAnimation(camera)
+
+    // Setup easing
+    const ease = new CubicEase()
+    ease.setEasingMode(EasingFunction.EASINGMODE_EASEINOUT)
+    
+    const frameRate = 60
+    const durationMs = 600  // 0.6 seconds for smooth animation
+    const totalFrames = Math.round((durationMs / 1000) * frameRate)
+
+    // Animate camera target position
+    Animation.CreateAndStartAnimation(
+      'camTarget',
+      camera,
+      'target',
+      frameRate,
+      totalFrames,
+      camera.target.clone(),
+      center.clone(),
+      Animation.ANIMATIONLOOPMODE_CONSTANT,
+      ease
+    )
+
+    // Animate camera radius (zoom)
+    Animation.CreateAndStartAnimation(
+      'camRadius',
+      camera,
+      'radius',
+      frameRate,
+      totalFrames,
+      camera.radius,
+      targetRadius,
+      Animation.ANIMATIONLOOPMODE_CONSTANT,
+      ease
+    )
+
+    // Call callback to display tooltip
+    onSensorPick?.(sensorId)
+    
+    console.log('[ModelViewer] Camera animation started for sensor:', sensorId)
+  }
+   
+  useEffect(() => {
+    isDisposedRef.current = false
+    isInitializedRef.current = false
+    return () => {
+      isDisposedRef.current = true
+    }
+  }, [])
+
+  useEffect(() => {
+    if (!canvasRef.current || isInitializedRef.current) return
+
+    const canvas = canvasRef.current
+    setWebglError(null)
+
+    let hasWebGL = false
+    try {
+      const testCanvas = document.createElement('canvas')
+      const gl =
+        testCanvas.getContext('webgl2') ||
+        testCanvas.getContext('webgl') ||
+        testCanvas.getContext('experimental-webgl')
+      hasWebGL = !!gl
+    } catch {
+      hasWebGL = false
+    }
+
+    if (!hasWebGL) {
+      const message = 'WebGL не поддерживается в текущем окружении'
+      setWebglError(message)
+      onError?.(message)
+      setIsLoading(false)
+      setModelReady(false)
+      return
+    }
+
+    let engine: Engine
+    try {
+      engine = new Engine(canvas, true, { stencil: true })
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : String(error)
+      const message = `WebGL недоступен: ${errorMessage}`
+      setWebglError(message)
+      onError?.(message)
+      setIsLoading(false)
+      setModelReady(false)
+      return
+    }
+    engineRef.current = engine
+
+    engine.runRenderLoop(() => {
+      if (!isDisposedRef.current && sceneRef.current) {
+        sceneRef.current.render()
+      }
+    })
+
+    const scene = new Scene(engine)
+    sceneRef.current = scene
+
+    scene.clearColor = new Color4(0.1, 0.1, 0.15, 1)
+
+    const camera = new ArcRotateCamera('camera', 0, Math.PI / 3, 20, Vector3.Zero(), scene)
+    camera.attachControl(canvas, true)
+    camera.lowerRadiusLimit = 2
+    camera.upperRadiusLimit = 200
+    camera.wheelDeltaPercentage = 0.01
+    camera.panningSensibility = 50
+    camera.angularSensibilityX = 1000
+    camera.angularSensibilityY = 1000
+
+    const ambientLight = new HemisphericLight('ambientLight', new Vector3(0, 1, 0), scene)
+    ambientLight.intensity = 0.4
+    ambientLight.diffuse = new Color3(0.7, 0.7, 0.8)
+    ambientLight.specular = new Color3(0.2, 0.2, 0.3)
+    ambientLight.groundColor = new Color3(0.3, 0.3, 0.4)
+
+    const keyLight = new HemisphericLight('keyLight', new Vector3(1, 1, 0), scene)
+    keyLight.intensity = 0.6
+    keyLight.diffuse = new Color3(1, 1, 0.9)
+    keyLight.specular = new Color3(1, 1, 0.9)
+
+    const fillLight = new HemisphericLight('fillLight', new Vector3(-1, 0.5, -1), scene)
+    fillLight.intensity = 0.3
+    fillLight.diffuse = new Color3(0.8, 0.8, 1)
+ 
+    const hl = new HighlightLayer('highlight-layer', scene, {
+      mainTextureRatio: 1,
+      blurTextureSizeRatio: 1,
+    })
+    hl.innerGlow = false
+    hl.outerGlow = true
+    hl.blurHorizontalSize = 2
+    hl.blurVerticalSize = 2
+    highlightLayerRef.current = hl
+
+    const handleResize = () => {
+      if (!isDisposedRef.current) {
+        engine.resize()
+      }
+    }
+    window.addEventListener('resize', handleResize)
+
+    isInitializedRef.current = true
+
+    return () => {
+      isDisposedRef.current = true
+      isInitializedRef.current = false
+      window.removeEventListener('resize', handleResize)
+ 
+      highlightLayerRef.current?.dispose()
+      highlightLayerRef.current = null
+      if (engineRef.current) {
+        engineRef.current.dispose()
+        engineRef.current = null
+      }
+      sceneRef.current = null
+    }
+  }, [onError])
+
+  useEffect(() => {
+    if (!modelPath || !sceneRef.current || !engineRef.current) return
+
+    const scene = sceneRef.current
+
+    setIsLoading(true)
+    setLoadingProgress(0)
+    setShowModel(false)
+    setModelReady(false)
+
+    const loadModel = async () => {
+      try {
+        console.log('[ModelViewer] Starting to load model:', modelPath)
+        
+        // UI элемент загрузчика (есть эффект замедленности)
+        const progressInterval = setInterval(() => {
+          setLoadingProgress(prev => {
+            if (prev >= 90) {
+              clearInterval(progressInterval)
+              return 90
+            }
+            return prev + Math.random() * 15
+          })
+        }, 100)
+        
+        // Use the correct ImportMeshAsync signature: (url, scene, onProgress)
+        const result = await ImportMeshAsync(modelPath, scene, (evt) => {
+          if (evt.lengthComputable) {
+            const progress = (evt.loaded / evt.total) * 100
+            setLoadingProgress(progress)
+            console.log('[ModelViewer] Loading progress:', progress)
+          }
+        })
+        
+        clearInterval(progressInterval)
+
+        if (isDisposedRef.current) {
+          console.log('[ModelViewer] Component disposed during load')
+          return
+        }
+
+        console.log('[ModelViewer] Model loaded successfully:', {
+          meshesCount: result.meshes.length,
+          particleSystemsCount: result.particleSystems.length,
+          skeletonsCount: result.skeletons.length,
+          animationGroupsCount: result.animationGroups.length
+        })
+
+        importedMeshesRef.current = result.meshes
+
+        if (result.meshes.length > 0) {
+          const boundingBox = result.meshes[0].getHierarchyBoundingVectors()
+          
+          onModelLoaded?.({
+            meshes: result.meshes,
+            boundingBox: {
+              min: { x: boundingBox.min.x, y: boundingBox.min.y, z: boundingBox.min.z },
+              max: { x: boundingBox.max.x, y: boundingBox.max.y, z: boundingBox.max.z },
+            },
+          })
+
+          // Автоматическое кадрирование камеры для отображения всей модели
+          const camera = scene.activeCamera as ArcRotateCamera
+          if (camera) {
+            const center = boundingBox.min.add(boundingBox.max).scale(0.5)
+            const size = boundingBox.max.subtract(boundingBox.min)
+            const maxDimension = Math.max(size.x, size.y, size.z)
+            
+            // Устанавливаем оптимальное расстояние камеры
+            const targetRadius = maxDimension * 2.5 // Множитель для комфортного отступа
+            
+            // Плавная анимация камеры к центру модели
+            scene.stopAnimation(camera)
+            
+            const ease = new CubicEase()
+            ease.setEasingMode(EasingFunction.EASINGMODE_EASEINOUT)
+            
+            const frameRate = 60
+            const durationMs = 800 // 0.8 секунды
+            const totalFrames = Math.round((durationMs / 1000) * frameRate)
+            
+            // Анимация позиции камеры
+            Animation.CreateAndStartAnimation(
+              'frameCameraTarget',
+              camera,
+              'target',
+              frameRate,
+              totalFrames,
+              camera.target.clone(),
+              center.clone(),
+              Animation.ANIMATIONLOOPMODE_CONSTANT,
+              ease
+            )
+            
+            // Анимация зума
+            Animation.CreateAndStartAnimation(
+              'frameCameraRadius',
+              camera,
+              'radius',
+              frameRate,
+              totalFrames,
+              camera.radius,
+              targetRadius,
+              Animation.ANIMATIONLOOPMODE_CONSTANT,
+              ease
+            )
+            
+            console.log('[ModelViewer] Camera framed to model:', { center, targetRadius, maxDimension })
+          }
+        }
+
+        setLoadingProgress(100)
+        setShowModel(true)
+        setModelReady(true)
+        setIsLoading(false)
+      } catch (error) {
+        if (isDisposedRef.current) return
+        const errorMessage = error instanceof Error ? error.message : 'Неизвестная ошибка'
+        console.error('[ModelViewer] Error loading model:', errorMessage)
+        const message = `Ошибка при загрузке модели: ${errorMessage}`
+        onError?.(message)
+        setIsLoading(false)
+        setModelReady(false)
+      }
+    }
+
+    loadModel()
+  }, [modelPath, onModelLoaded, onError])
+
+  useEffect(() => {
+    if (!highlightAllSensors || focusSensorId || !modelReady) {
+      setAllSensorsOverlayCircles([])
+      return
+    }
+
+    const scene = sceneRef.current
+    const engine = engineRef.current
+    if (!scene || !engine) {
+      setAllSensorsOverlayCircles([])
+      return
+    }
+
+    const allMeshes = importedMeshesRef.current || []
+    const sensorMeshes = collectSensorMeshes(allMeshes)
+    if (sensorMeshes.length === 0) {
+      setAllSensorsOverlayCircles([])
+      return
+    }
+
+    const engineTyped = engine as Engine
+    const updateCircles = () => {
+      const circles = computeSensorOverlayCircles({
+        scene,
+        engine: engineTyped,
+        meshes: sensorMeshes,
+        sensorStatusMap,
+      })
+      setAllSensorsOverlayCircles(circles)
+    }
+
+    updateCircles()
+    const observer = scene.onBeforeRenderObservable.add(updateCircles)
+    return () => {
+      scene.onBeforeRenderObservable.remove(observer)
+      setAllSensorsOverlayCircles([])
+    }
+  }, [highlightAllSensors, focusSensorId, modelReady, sensorStatusMap])
+
+  useEffect(() => {
+    if (!highlightAllSensors || focusSensorId || !modelReady) {
+      return
+    }
+
+    const scene = sceneRef.current
+    if (!scene) return
+
+    const allMeshes = importedMeshesRef.current || []
+    if (allMeshes.length === 0) {
+      return
+    }
+
+    const sensorMeshes = collectSensorMeshes(allMeshes)
+    
+    console.log('[ModelViewer] Total meshes in model:', allMeshes.length)
+    console.log('[ModelViewer] Sensor meshes found:', sensorMeshes.length)
+    
+    // Log first 5 sensor IDs found in meshes
+    const sensorIds = sensorMeshes.map(m => getSensorIdFromMesh(m)).filter(Boolean).slice(0, 5)
+    console.log('[ModelViewer] Sample sensor IDs from meshes:', sensorIds)
+
+    if (sensorMeshes.length === 0) {
+      console.warn('[ModelViewer] No sensor meshes found in 3D model!')
+      return
+    }
+
+    applyHighlightToMeshes(
+      highlightLayerRef.current,
+      highlightedMeshesRef,
+      sensorMeshes,
+      mesh => {
+        const sid = getSensorIdFromMesh(mesh)
+        const status = sid ? sensorStatusMap?.[sid] : undefined
+        return statusToColor3(status ?? null)
+      },
+    )
+  }, [highlightAllSensors, focusSensorId, modelReady, sensorStatusMap])
+
+  useEffect(() => {
+    if (!focusSensorId || !modelReady) {
+      for (const m of highlightedMeshesRef.current) { m.renderingGroupId = 0 }
+      highlightedMeshesRef.current = []
+      highlightLayerRef.current?.removeAllMeshes()
+      chosenMeshRef.current = null
+      setOverlayPos(null)
+      setOverlayData(null)
+      setAllSensorsOverlayCircles([])
+      return
+    }
+
+    const sensorId = (focusSensorId ?? '').trim()
+    if (!sensorId) {
+      for (const m of highlightedMeshesRef.current) { m.renderingGroupId = 0 }
+      highlightedMeshesRef.current = []
+      highlightLayerRef.current?.removeAllMeshes()
+      chosenMeshRef.current = null
+      setOverlayPos(null)
+      setOverlayData(null)
+      return
+     }
+ 
+    const allMeshes = importedMeshesRef.current || []
+     
+    if (allMeshes.length === 0) {
+      for (const m of highlightedMeshesRef.current) { m.renderingGroupId = 0 }
+      highlightedMeshesRef.current = []
+      highlightLayerRef.current?.removeAllMeshes()
+      chosenMeshRef.current = null
+      setOverlayPos(null)
+      setOverlayData(null)
+      return
+     }
+    
+    const sensorMeshes = collectSensorMeshes(allMeshes)
+    const allSensorIds = sensorMeshes.map(m => getSensorIdFromMesh(m))
+    const chosen = sensorMeshes.find(m => getSensorIdFromMesh(m) === sensorId)
+
+    console.log('[ModelViewer] Sensor focus', {
+      requested: sensorId,
+      totalImportedMeshes: allMeshes.length,
+      totalSensorMeshes: sensorMeshes.length,
+      allSensorIds: allSensorIds,
+      chosen: chosen ? { id: chosen.id, name: chosen.name, uniqueId: chosen.uniqueId, parent: chosen.parent?.name } : null,
+      source: 'result.meshes',
+    })
+
+    const scene = sceneRef.current!
+
+    if (chosen) {
+      try {
+        const camera = scene.activeCamera as ArcRotateCamera
+        const bbox = (typeof chosen.getHierarchyBoundingVectors === 'function')
+          ? chosen.getHierarchyBoundingVectors()
+          : { min: chosen.getBoundingInfo().boundingBox.minimumWorld, max: chosen.getBoundingInfo().boundingBox.maximumWorld }
+        const center = bbox.min.add(bbox.max).scale(0.5)
+        const size = bbox.max.subtract(bbox.min)
+        const maxDimension = Math.max(size.x, size.y, size.z)
+        const targetRadius = Math.max(camera.lowerRadiusLimit ?? 2, maxDimension * 1.5)
+
+        scene.stopAnimation(camera)
+
+        const ease = new CubicEase()
+        ease.setEasingMode(EasingFunction.EASINGMODE_EASEINOUT)
+        const frameRate = 60
+        const durationMs = 600
+        const totalFrames = Math.round((durationMs / 1000) * frameRate)
+
+        Animation.CreateAndStartAnimation('camTarget', camera, 'target', frameRate, totalFrames, camera.target.clone(), center.clone(), Animation.ANIMATIONLOOPMODE_CONSTANT, ease)
+        Animation.CreateAndStartAnimation('camRadius', camera, 'radius', frameRate, totalFrames, camera.radius, targetRadius, Animation.ANIMATIONLOOPMODE_CONSTANT, ease)
+
+        applyHighlightToMeshes(
+          highlightLayerRef.current,
+          highlightedMeshesRef,
+          [chosen],
+          mesh => {
+            const sid = getSensorIdFromMesh(mesh)
+            const status = sid ? sensorStatusMap?.[sid] : undefined
+            return statusToColor3(status ?? null)
+          },
+        )
+        chosenMeshRef.current = chosen
+        setOverlayData({ name: chosen.name, sensorId })
+      } catch {
+        for (const m of highlightedMeshesRef.current) { m.renderingGroupId = 0 }
+        highlightedMeshesRef.current = []
+        highlightLayerRef.current?.removeAllMeshes()
+        chosenMeshRef.current = null
+        setOverlayPos(null)
+        setOverlayData(null)
+       }
+     } else {
+        for (const m of highlightedMeshesRef.current) { m.renderingGroupId = 0 }
+        highlightedMeshesRef.current = []
+        highlightLayerRef.current?.removeAllMeshes()
+        chosenMeshRef.current = null
+        setOverlayPos(null)
+        setOverlayData(null)
+    }
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [focusSensorId, modelReady, highlightAllSensors])
+
+  useEffect(() => {
+    const scene = sceneRef.current
+    if (!scene || !modelReady || !isSensorSelectionEnabled) return
+
+    const pickObserver = scene.onPointerObservable.add((pointerInfo: PointerInfo) => {
+      if (pointerInfo.type !== PointerEventTypes.POINTERPICK) return
+      const pick = pointerInfo.pickInfo
+      if (!pick || !pick.hit) {
+        onSensorPick?.(null)
+        return
+      }
+
+      const pickedMesh = pick.pickedMesh
+      const sensorId = getSensorIdFromMesh(pickedMesh)
+
+      if (sensorId) {
+        onSensorPick?.(sensorId)
+      } else {
+        onSensorPick?.(null)
+      }
+    })
+
+    return () => {
+      scene.onPointerObservable.remove(pickObserver)
+    }
+  }, [modelReady, isSensorSelectionEnabled, onSensorPick])
+
+  const computeOverlayPosition = React.useCallback((mesh: AbstractMesh | null) => {
+    if (!sceneRef.current || !mesh) return null
+    const scene = sceneRef.current
+    try {
+      const bbox = (typeof mesh.getHierarchyBoundingVectors === 'function')
+        ? mesh.getHierarchyBoundingVectors()
+        : { min: mesh.getBoundingInfo().boundingBox.minimumWorld, max: mesh.getBoundingInfo().boundingBox.maximumWorld }
+      const center = bbox.min.add(bbox.max).scale(0.5)
+
+      const viewport = scene.activeCamera?.viewport.toGlobal(engineRef.current!.getRenderWidth(), engineRef.current!.getRenderHeight())
+      if (!viewport) return null
+
+      const projected = Vector3.Project(center, Matrix.Identity(), scene.getTransformMatrix(), viewport)
+      if (!projected) return null
+
+      return { left: projected.x, top: projected.y }
+    } catch (error) {
+      console.error('[ModelViewer] Error computing overlay position:', error)
+      return null
+    }
+  }, [])
+
+  useEffect(() => {
+    if (!chosenMeshRef.current || !overlayData) return
+    const pos = computeOverlayPosition(chosenMeshRef.current)
+    setOverlayPos(pos)
+  }, [overlayData, computeOverlayPosition])
+
+  useEffect(() => {
+    if (!sceneRef.current || !chosenMeshRef.current || !overlayData) return
+    const scene = sceneRef.current
+ 
+    const updateOverlayPosition = () => {
+      const pos = computeOverlayPosition(chosenMeshRef.current)
+      setOverlayPos(pos)
+    }
+    scene.registerBeforeRender(updateOverlayPosition)
+    return () => scene.unregisterBeforeRender(updateOverlayPosition)
+  }, [overlayData, computeOverlayPosition])
+
+  return (
+    <div className="w-full h-screen relative bg-gray-900 overflow-hidden">
+      {!modelPath ? (
+        <div className="h-full flex items-center justify-center">
+          <div className="text-center p-8 bg-[#161824] rounded-lg border border-gray-700 max-w-md shadow-xl">
+            <div className="text-amber-400 text-lg font-semibold mb-2">
+              3D модель не выбрана
+            </div>
+            <div className="text-gray-300 mb-4">
+              Выберите модель в панели «Зоны мониторинга», чтобы начать просмотр
+            </div>
+            <div className="text-sm text-gray-400">
+              Если список пуст, добавьте файлы в каталог assets/big-models или проверьте API
+            </div>
+          </div>
+        </div>
+      ) : (
+        <>
+          <canvas
+            ref={canvasRef}
+            className={`w-full h-full outline-none block transition-opacity duration-500 ${
+              showModel && !webglError ? 'opacity-100' : 'opacity-0'
+            }`}
+          />
+          {webglError ? (
+            <div className="absolute inset-0 bg-gray-900 flex items-center justify-center z-50">
+              <div className="text-center p-8 bg-[#161824] rounded-lg border border-gray-700 max-w-md shadow-xl">
+                <div className="text-red-400 text-lg font-semibold mb-2">
+                  3D просмотр недоступен
+                </div>
+                <div className="text-gray-300 mb-4">
+                  {webglError}
+                </div>
+                <div className="text-sm text-gray-400">
+                  Включите аппаратное ускорение в браузере или откройте страницу в другом браузере/устройстве
+                </div>
+              </div>
+            </div>
+          ) : isLoading ? (
+            <div className="absolute inset-0 bg-gray-900 flex items-center justify-center z-50">
+              <LoadingSpinner 
+                progress={loadingProgress}
+                size={120}
+                strokeWidth={8}
+              />
+            </div>
+          ) : !modelReady ? (
+            <div className="absolute inset-0 bg-gray-900 flex items-center justify-center z-40">
+              <div className="text-center p-8 bg-[#161824] rounded-lg border border-gray-700 max-w-md">
+                <div className="text-gray-400 text-lg font-semibold mb-4">
+                  3D модель не загружена
+                </div>
+                <div className="text-sm text-gray-400">
+                  Модель не готова к отображению
+                </div>
+              </div>
+            </div>
+          ) : null}
+          <SceneToolbar 
+            onZoomIn={handleZoomIn}
+            onZoomOut={handleZoomOut}
+            onTopView={handleTopView}
+            onPan={handlePan}
+            onSelectModel={onSelectModel}
+            panActive={panActive}
+          />
+        </>
+      )}
+      {/* UPDATED: Interactive overlay circles with hover effects */}
+      {allSensorsOverlayCircles.map(circle => {
+        const size = 36
+        const radius = size / 2
+        const fill = hexWithAlpha(circle.colorHex, 0.2)
+        const isHovered = hoveredSensorId === circle.sensorId
+
+        return (
+          <div
+            key={`${circle.sensorId}-${Math.round(circle.left)}-${Math.round(circle.top)}`}
+            onClick={() => handleOverlayCircleClick(circle.sensorId)}
+            onMouseEnter={() => setHoveredSensorId(circle.sensorId)}
+            onMouseLeave={() => setHoveredSensorId(null)}
+            style={{
+              position: 'absolute',
+              left: circle.left - radius,
+              top: circle.top - radius,
+              width: size,
+              height: size,
+              borderRadius: '9999px',
+              border: `2px solid ${circle.colorHex}`,
+              backgroundColor: fill,
+              pointerEvents: 'auto',
+              cursor: 'pointer',
+              transition: 'all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1)',
+              transform: isHovered ? 'scale(1.4)' : 'scale(1)',
+              boxShadow: isHovered 
+                ? `0 0 25px ${circle.colorHex}, inset 0 0 10px ${circle.colorHex}` 
+                : `0 0 8px ${circle.colorHex}`,
+              zIndex: isHovered ? 50 : 10,
+            }}
+            title={`Датчик: ${circle.sensorId}`}
+          />
+        )
+      })}
+      {renderOverlay && overlayPos && overlayData
+        ? renderOverlay({ anchor: overlayPos, info: overlayData })
+        : null
+      }
+    </div>
+  )
+}
+
+export default ModelViewer

frontend/components/model/SceneToolbar.tsx

@@ -21,6 +21,8 @@ interface SceneToolbarProps {
   onSelectModel?: (modelPath: string) => void; 
   panActive?: boolean;
   navMenuActive?: boolean;
+  onToggleSensorHighlights?: () => void;
+  sensorHighlightsActive?: boolean;
 }
 
 const SceneToolbar: React.FC<SceneToolbarProps> = ({
@@ -31,6 +33,8 @@ const SceneToolbar: React.FC<SceneToolbarProps> = ({
   onSelectModel,  
   panActive = false,
   navMenuActive = false,
+  onToggleSensorHighlights,
+  sensorHighlightsActive = true,
 }) => {
   const [isZoomOpen, setIsZoomOpen] = useState(false);
   const { showMonitoring, openMonitoring, closeMonitoring, currentZones, loadZones, currentObject } = useNavigationStore();
@@ -90,41 +94,47 @@ const SceneToolbar: React.FC<SceneToolbarProps> = ({
   const defaultButtons: ToolbarButton[] = [
     {
       icon: '/icons/Zoom.png',
-      label: 'Zoom',
+      label: 'Масштаб',
       onClick: () => setIsZoomOpen(!isZoomOpen),
       active: isZoomOpen,
       children: [
         {
           icon: '/icons/plus.svg',
-          label: 'Zoom In',
+          label: 'Приблизить',
           onClick: onZoomIn || (() => {}),
         },
         {
           icon: '/icons/minus.svg',
-          label: 'Zoom Out',
+          label: 'Отдалить',
           onClick: onZoomOut || (() => {}),
         },
       ]
     },
     {
       icon: '/icons/Video.png',
-      label: "Top View",
+      label: 'Вид сверху',
       onClick: onTopView || (() => console.log('Top View')),
     },
     {
       icon: '/icons/Pointer.png',
-      label: 'Pan',
+      label: 'Панорамирование',
       onClick: onPan || (() => console.log('Pan')),
       active: panActive,
     },
+    {
+      icon: '/icons/Eye.png',
+      label: 'Подсветка датчиков',
+      onClick: onToggleSensorHighlights || (() => console.log('Toggle Sensor Highlights')),
+      active: sensorHighlightsActive,
+    },
     {
       icon: '/icons/Warehouse.png',
-      label: 'Home',
+      label: 'Домой',
       onClick: handleHomeClick,
     },
     {
       icon: '/icons/Layers.png',
-      label: 'Levels',
+      label: 'Уровни',
       onClick: handleToggleNavMenu,
       active: navMenuActive,
     },

frontend/components/model/SceneToolbar.tsx — копия

@@ -0,0 +1,207 @@
+import React, { useState } from 'react';
+import Image from 'next/image';
+import useNavigationStore from '@/app/store/navigationStore';
+import type { Zone } from '@/app/types';
+
+interface ToolbarButton {
+  icon: string;
+  label: string;
+  onClick: () => void;
+  onMouseDown?: () => void;
+  onMouseUp?: () => void;
+  active?: boolean;
+  children?: ToolbarButton[];
+}
+
+interface SceneToolbarProps {
+  onZoomIn?: () => void;
+  onZoomOut?: () => void;
+  onTopView?: () => void;
+  onPan?: () => void;
+  onSelectModel?: (modelPath: string) => void; 
+  panActive?: boolean;
+  navMenuActive?: boolean;
+}
+
+const SceneToolbar: React.FC<SceneToolbarProps> = ({
+  onZoomIn,
+  onZoomOut,
+  onTopView,
+  onPan, 
+  onSelectModel,  
+  panActive = false,
+  navMenuActive = false,
+}) => {
+  const [isZoomOpen, setIsZoomOpen] = useState(false);
+  const { showMonitoring, openMonitoring, closeMonitoring, currentZones, loadZones, currentObject } = useNavigationStore();
+
+  const handleToggleNavMenu = () => {
+    if (showMonitoring) {
+      closeMonitoring();
+    } else {
+      openMonitoring();
+    }
+  };
+
+  const handleHomeClick = async () => {
+    if (!onSelectModel) return;
+
+    try {
+      let zones: Zone[] = Array.isArray(currentZones) ? currentZones : [];
+
+      // Если зоны ещё не загружены, откройте Monitoring и загрузите зоны для текущего объекта
+      if ((!zones || zones.length === 0) && currentObject?.id) {
+        if (!showMonitoring) {
+          openMonitoring();
+        }
+        await loadZones(currentObject.id);
+        zones = useNavigationStore.getState().currentZones || [];
+      }
+
+      if (!Array.isArray(zones) || zones.length === 0) {
+        console.warn('No zones available to select a model from.');
+        return;
+      }
+
+      const sorted = zones.slice().sort((a: Zone, b: Zone) => {
+        const oa = typeof a.order === 'number' ? a.order : 0;
+        const ob = typeof b.order === 'number' ? b.order : 0;
+        if (oa !== ob) return oa - ob;
+        return (a.name || '').localeCompare(b.name || '');
+      });
+
+      const top = sorted[0];
+      let chosenPath: string | null = top?.model_path && String(top.model_path).trim() ? top.model_path! : null;
+      if (!chosenPath) {
+        const nextWithModel = sorted.find((z) => z.model_path && String(z.model_path).trim());
+        chosenPath = nextWithModel?.model_path ?? null;
+      }
+
+      if (chosenPath) {
+        onSelectModel(chosenPath);
+      } else {
+        console.warn('No zone has a valid model_path to open.');
+      }
+    } catch (error) {
+      console.error('Error selecting top zone model:', error);
+    }
+  };
+
+  const defaultButtons: ToolbarButton[] = [
+    {
+      icon: '/icons/Zoom.png',
+      label: 'Zoom',
+      onClick: () => setIsZoomOpen(!isZoomOpen),
+      active: isZoomOpen,
+      children: [
+        {
+          icon: '/icons/plus.svg',
+          label: 'Zoom In',
+          onClick: onZoomIn || (() => {}),
+        },
+        {
+          icon: '/icons/minus.svg',
+          label: 'Zoom Out',
+          onClick: onZoomOut || (() => {}),
+        },
+      ]
+    },
+    {
+      icon: '/icons/Video.png',
+      label: "Top View",
+      onClick: onTopView || (() => console.log('Top View')),
+    },
+    {
+      icon: '/icons/Pointer.png',
+      label: 'Pan',
+      onClick: onPan || (() => console.log('Pan')),
+      active: panActive,
+    },
+    {
+      icon: '/icons/Warehouse.png',
+      label: 'Home',
+      onClick: handleHomeClick,
+    },
+    {
+      icon: '/icons/Layers.png',
+      label: 'Levels',
+      onClick: handleToggleNavMenu,
+      active: navMenuActive,
+    },
+  ];
+
+
+  return (
+    <div className="fixed right-5 top-1/2 transform -translate-y-1/2 z-50">
+      <div className="flex flex-col gap-0">
+        <div 
+          className="flex flex-col items-center gap-2 py-4 bg-[#161824] rounded-[15px] border border-white/10 shadow-[0_8px_32px_rgba(0,0,0,0.3)]"
+          style={{ minHeight: '320px' }}
+        >
+          {defaultButtons.map((button, index) => (
+            <div key={index} className="flex flex-col items-center gap-2">
+              <button
+                onClick={button.onClick}
+                className={`
+                  relative group flex items-center justify-center w-16 h-12 rounded-lg transition-all duration-200
+                  hover:bg-blue-600/20 hover:scale-110 hover:shadow-lg
+                  focus:outline-none focus:ring-2 focus:ring-blue-500/50
+                  ${button.active 
+                    ? 'bg-blue-600/30 text-blue-400 shadow-md' 
+                    : 'bg-transparent text-gray-300 hover:text-blue-400'
+                    }
+                  `}
+                title={button.label}
+              >
+                <Image
+                  src={button.icon}
+                  alt={button.label}
+                  width={20}
+                  height={20}
+                  className="w-5 h-5 transition-transform duration-200 group-hover:scale-110"
+                />
+                <div className="absolute right-full mr-3 top-1/2 transform -translate-y-1/2
+                              opacity-0 group-hover:opacity-100 transition-opacity duration-200
+                              pointer-events-none z-60">
+                  <div className="bg-gray-900 text-white text-xs px-2 py-1 rounded
+                                whitespace-nowrap shadow-lg border border-gray-700">
+                    {button.label}
+                  </div>
+                  <div className="absolute left-full top-1/2 transform -translate-y-1/2
+                                w-0 h-0 border-t-4 border-t-transparent
+                                border-b-4 border-b-transparent
+                                border-l-4 border-l-gray-900">
+                  </div>
+                </div>
+              </button>
+              {button.active && button.children && (
+                <div className="flex flex-col gap-2 mt-2">
+                  {button.children.map((childButton, childIndex) => (
+                    <button
+                      key={childIndex}
+                      onClick={childButton.onClick}
+                      onMouseDown={childButton.onMouseDown}
+                      onMouseUp={childButton.onMouseUp}
+                      className="relative group flex items-center justify-center w-12 h-10 bg-gray-800/50 rounded-md transition-all duration-200 hover:bg-blue-600/30"
+                      title={childButton.label}
+                    >
+                      <Image
+                        src={childButton.icon}
+                        alt={childButton.label}
+                        width={16}
+                        height={16}
+                        className="w-4 h-4"
+                      />
+                    </button>
+                  ))}
+                </div>
+              )}
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default SceneToolbar;