feat: 三表能耗展示，主视图飞镜与经纬度点位补打

大屏右下角三表一行+曲线，默认/标题栏/设备分类统一飞「主视图」并在飞完后补打 isGeo 点位；同步电表采集与部署看门狗脚本。

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/prod/scripts/boot-all.ps1

+# JhLab boot: Docker Desktop + compose + Gateway + RTEngine
+$ErrorActionPreference = 'Continue'
+$Root = 'D:\apps\jh-lab'
+$Log = Join-Path $Root 'scripts\boot-all.log'
+function Log([string]$m) {
+  $line = '[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss'), $m
+  Add-Content -Path $Log -Value $line -Encoding UTF8
+  Write-Host $line
+}
+
+Log '==== boot-all start ===='
+
+# --- 1) Docker Desktop ---
+$dockerCandidates = @(
+  "$env:ProgramFiles\Docker\Docker\resources\bin\docker.exe",
+  "$env:LOCALAPPDATA\Programs\DockerDesktop\resources\bin\docker.exe",
+  "$env:LOCALAPPDATA\Docker\resources\bin\docker.exe"
+)
+$desktopCandidates = @(
+  "$env:ProgramFiles\Docker\Docker\Docker Desktop.exe",
+  "$env:LOCALAPPDATA\Programs\DockerDesktop\Docker Desktop.exe"
+)
+$Docker = $dockerCandidates | Where-Object { Test-Path $_ } | Select-Object -First 1
+if (-not $Docker) { $Docker = 'docker' }
+$Desktop = $desktopCandidates | Where-Object { Test-Path $_ } | Select-Object -First 1
+
+$engineOk = $false
+try {
+  & $Docker info 1>$null 2>$null
+  if ($LASTEXITCODE -eq 0) { $engineOk = $true }
+} catch {}
+
+if (-not $engineOk) {
+  if ($Desktop) {
+    Log ("starting Docker Desktop: " + $Desktop)
+    Start-Process -FilePath $Desktop
+  } else {
+    Log 'Docker Desktop.exe not found'
+  }
+  for ($i = 1; $i -le 90; $i++) {
+    Start-Sleep -Seconds 5
+    try {
+      & $Docker info 1>$null 2>$null
+      if ($LASTEXITCODE -eq 0) { $engineOk = $true; Log ("docker ready after ${i}*5s"); break }
+    } catch {}
+  }
+} else {
+  Log 'docker engine already ready'
+}
+
+if (-not $engineOk) {
+  Log 'ERROR: docker engine not ready'
+} else {
+  # --- 2) Compose stack ---
+  Push-Location $Root
+  try {
+    $envFile = Join-Path $Root '.env'
+    if (Test-Path $envFile) {
+      Log 'docker compose up -d'
+      & $Docker compose --env-file $envFile -f docker-compose.yml up -d 2>&1 | ForEach-Object { Log $_ }
+    } else {
+      Log 'docker compose up -d (no .env)'
+      & $Docker compose -f docker-compose.yml up -d 2>&1 | ForEach-Object { Log $_ }
+    }
+    & $Docker compose -f docker-compose.yml ps --format '{{.Name}} {{.Status}}' 2>&1 | ForEach-Object { Log $_ }
+  } finally {
+    Pop-Location
+  }
+}
+
+# --- 3) Gateway (38080) ---
+$gwListen = netstat -ano | findstr ':38080' | findstr 'LISTENING'
+$gwProc = Get-Process -Name 'JhLabGateway' -ErrorAction SilentlyContinue
+if ($gwListen -or $gwProc) {
+  Log 'gateway already running'
+} else {
+  $gwExe = Join-Path $Root 'gateway\JhLabGateway.exe'
+  $gwCfg = Join-Path $Root 'gateway\config.json'
+  if (Test-Path $gwExe) {
+    Log 'starting JhLabGateway'
+    Start-Process -FilePath $gwExe -ArgumentList $gwCfg -WorkingDirectory (Join-Path $Root 'gateway') -WindowStyle Minimized
+  } else {
+    Log 'ERROR: JhLabGateway.exe missing'
+  }
+}
+
+# --- 4) RTEngine: 单一实例 + 镜湖场景可加载 ---
+Log 'ensure RTEngine single-instance + scene'
+& powershell -NoProfile -ExecutionPolicy Bypass -File (Join-Path $Root 'scripts\ensure-rtengine.ps1')
+
+# --- 5) 自动打开大屏（需交互桌面；开机登录后可见）---
+Log 'open dashboard'
+& powershell -NoProfile -ExecutionPolicy Bypass -File (Join-Path $Root 'scripts\open-dashboard.ps1')
+
+Log '==== boot-all done ===='

deploy/prod/scripts/ensure-rtengine.ps1

+# Ensure RTEngine: single UE instance, shared stream, scene ready
+$ErrorActionPreference = 'Continue'
+$Root = 'D:\apps\jh-lab'
+$Log = Join-Path $Root 'scripts\ensure-rtengine.log'
+function Log([string]$m) {
+  $line = '[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss'), $m
+  Add-Content -Path $Log -Value $line -Encoding UTF8
+  Write-Host $line
+}
+
+$cfgPath = Join-Path $env:APPDATA 'rtenginehd-electron-editor\config.json'
+$roamingScene = Join-Path $env:APPDATA 'rtenginehd-electron-editor\designer-data\scenes\mvlpj2yt6379aa29.json'
+$signalScene = 'C:\Users\admin\AppData\Local\Programs\RTEngineHD Editor\resources\signal\designer\data\scenes\mvlpj2yt6379aa29.json'
+$backupScene = 'D:\apps\.__rtenginehd_runtime_preserve_deploy\designer-data\scenes\mvlpj2yt6379aa29.json'
+$rtExe = 'C:\Users\admin\AppData\Local\Programs\RTEngineHD Editor\RTEngineHD Editor.exe'
+$sceneId = 'mvlpj2yt6379aa29'
+
+function Lock-Config {
+  if (-not (Test-Path $cfgPath)) { return }
+  $raw = Get-Content -Raw -Encoding UTF8 $cfgPath
+  $raw2 = $raw
+  $raw2 = [regex]::Replace($raw2, '"address"\s*:\s*"[^"]*"', '"address": "192.168.10.107"')
+  # maxInstance=1 single UE; one2one=false share same picture to all clients
+  $raw2 = [regex]::Replace($raw2, '"one2one"\s*:\s*true', '"one2one": false')
+  $raw2 = [regex]::Replace($raw2, '"maxInstance"\s*:\s*\d+', '"maxInstance": 1')
+  if ($raw2 -ne $raw) {
+    [System.IO.File]::WriteAllText($cfgPath, $raw2, (New-Object System.Text.UTF8Encoding $false))
+    Log 'config locked: address=192.168.10.107 one2one=false maxInstance=1'
+  }
+}
+
+# Fast path: if single UE already running, do NOT respawn
+$ueRunning = @(Get-Process -Name 'RTEngineHD' -ErrorAction SilentlyContinue)
+$listenLines = @(netstat -ano | findstr ':6088' | findstr LISTENING)
+if ($listenLines.Count -gt 0 -and $ueRunning.Count -ge 1) {
+  Lock-Config
+  Log ("skip restart: keep single UE pid=" + (($ueRunning | ForEach-Object { $_.Id }) -join ','))
+  exit 0
+}
+
+Lock-Config
+
+# Ensure scene file
+$cands = @($roamingScene, $signalScene, $backupScene) | Where-Object { Test-Path $_ } | ForEach-Object { Get-Item $_ }
+$best = $cands | Sort-Object Length -Descending | Select-Object -First 1
+if (-not $best -or $best.Length -lt 100000) {
+  Log 'ERROR: no healthy scene backup'
+} else {
+  New-Item -ItemType Directory -Force -Path (Split-Path $roamingScene) | Out-Null
+  if (-not (Test-Path $roamingScene) -or (Get-Item $roamingScene).Length -lt 100000) {
+    Copy-Item -Force $best.FullName $roamingScene
+    Log ("restored roaming scene size=" + $best.Length)
+  } else {
+    Log ("roaming scene ok size=" + (Get-Item $roamingScene).Length)
+  }
+  $idx = Join-Path $env:APPDATA 'rtenginehd-electron-editor\designer-data\scenes.json'
+  if (-not (Test-Path $idx) -or ((Get-Content -Raw $idx) -notmatch $sceneId)) {
+    $json = @"
+[
+  {
+    "id": "$sceneId",
+    "name": "jinghu",
+    "thumbnail": "mvlpj2yt6379aa29.jpg",
+    "createdAt": "2026-10-24T01:15:32.934Z",
+    "updatedAt": "2026-10-26T13:58:55.915Z",
+    "createdBy": "admin"
+  }
+]
+"@
+    [System.IO.File]::WriteAllText($idx, $json, (New-Object System.Text.UTF8Encoding $false))
+    Log 'scenes.json rewritten'
+  }
+}
+
+# Start editor/signal only if 6088 is down
+$listenLines = @(netstat -ano | findstr ':6088' | findstr LISTENING)
+if ($listenLines.Count -eq 0) {
+  if (-not (Test-Path $rtExe)) { Log 'ERROR: RTEngine exe missing'; exit 1 }
+  Log 'starting RTEngineHD Editor (single stack)'
+  Start-Process -FilePath $rtExe -WindowStyle Minimized
+  for ($i = 1; $i -le 45; $i++) {
+    Start-Sleep -Seconds 2
+    $listenLines = @(netstat -ano | findstr ':6088' | findstr LISTENING)
+    if ($listenLines.Count -gt 0) { Log ("6088 up after ${i}*2s"); break }
+  }
+} else {
+  Log '6088 already listening'
+}
+
+$ok = $false
+for ($i = 1; $i -le 20; $i++) {
+  try {
+    $r = Invoke-WebRequest -Uri ("http://127.0.0.1:6088/designer/data/scenes/$sceneId.json") -UseBasicParsing -TimeoutSec 5
+    if ($r.StatusCode -eq 200 -and $r.RawContentLength -gt 100000) {
+      Log ("scene API ok size=" + $r.RawContentLength)
+      $ok = $true
+      break
+    }
+  } catch {
+    Log ("scene API wait $i")
+  }
+  Start-Sleep -Seconds 2
+}
+if (-not $ok) { Log 'ERROR: scene API not healthy'; exit 2 }
+
+$ues = @(Get-Process -Name 'RTEngineHD' -ErrorAction SilentlyContinue)
+Log ("UE process count=" + $ues.Count)
+Log 'ensure-rtengine done'

deploy/prod/scripts/install-autostart-all.ps1

+$ErrorActionPreference = 'Continue'
+$Root = 'D:\apps\jh-lab'
+$boot = Join-Path $Root 'scripts\boot-all.ps1'
+$watch = Join-Path $Root 'scripts\watch-all.ps1'
+$user = $env:USERNAME
+
+Write-Host '=== Docker Desktop Run key ==='
+$dd = @(
+  "$env:ProgramFiles\Docker\Docker\Docker Desktop.exe",
+  "$env:LOCALAPPDATA\Programs\DockerDesktop\Docker Desktop.exe"
+) | Where-Object { Test-Path $_ } | Select-Object -First 1
+if ($dd) {
+  New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' `
+    -Name 'Docker Desktop' -Value "`"$dd`" -Autostart" -PropertyType String -Force | Out-Null
+  Write-Host ("Run key set: " + $dd)
+} else {
+  Write-Host 'Docker Desktop.exe not found for Run key'
+}
+
+# Prefer settings.json openAtLogin if present
+$settings = Join-Path $env:APPDATA 'Docker\settings-store.json'
+$settings2 = Join-Path $env:APPDATA 'Docker\settings.json'
+foreach ($sp in @($settings, $settings2)) {
+  if (Test-Path $sp) {
+    try {
+      $j = Get-Content -Raw -Encoding UTF8 $sp | ConvertFrom-Json
+      $changed = $false
+      if ($null -ne $j.openAtLogin -and $j.openAtLogin -ne $true) { $j.openAtLogin = $true; $changed = $true }
+      if ($null -ne $j.AutoStart -and $j.AutoStart -ne $true) { $j.AutoStart = $true; $changed = $true }
+      if ($changed) {
+        ($j | ConvertTo-Json -Depth 40) | Set-Content -Path $sp -Encoding UTF8
+        Write-Host ("updated " + $sp)
+      } else {
+        Write-Host ("checked " + $sp)
+      }
+    } catch {
+      Write-Host ("skip settings parse: " + $sp + " " + $_.Exception.Message)
+    }
+  }
+}
+
+function Ensure-Task($name, $tr, $sc, $extraArgs='') {
+  schtasks /Delete /TN $name /F 2>$null | Out-Null
+  $cmd = "schtasks /Create /TN `"$name`" /TR `"$tr`" /SC $sc /RL HIGHEST /F /RU `"$user`""
+  if ($extraArgs) { $cmd += " $extraArgs" }
+  cmd /c $cmd 2>&1 | ForEach-Object { Write-Host $_ }
+}
+
+$bootTr = "powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$boot`""
+$watchTr = "powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File `"$watch`""
+
+Write-Host '=== register boot tasks ==='
+# Boot (SYSTEM may not see user Docker; use ONLOGON primary + ONSTART with delay as backup)
+Ensure-Task 'JhLabBoot' $bootTr 'ONLOGON'
+# Also at startup with delay for when auto-login is used after reboot
+schtasks /Delete /TN JhLabBootStart /F 2>$null | Out-Null
+schtasks /Create /TN JhLabBootStart /TR $bootTr /SC ONSTART /DELAY 0001:30 /RL HIGHEST /F /RU $user 2>&1 | ForEach-Object { Write-Host $_ }
+
+Write-Host '=== register watchdog (1 min) ==='
+Ensure-Task 'JhLabWatch' $watchTr 'MINUTE' '/MO 1'
+
+# Keep legacy names pointing to new stack for compatibility
+Ensure-Task 'JhLabStack' $bootTr 'ONLOGON'
+schtasks /Delete /TN JhLabStackBoot /F 2>$null | Out-Null
+schtasks /Create /TN JhLabStackBoot /TR $bootTr /SC ONSTART /DELAY 0001:30 /RL HIGHEST /F /RU $user 2>&1 | ForEach-Object { Write-Host $_ }
+
+# RTEngine-only helpers: point to watch-all / boot-all
+Ensure-Task 'JhLab-RTEngine-Start' $bootTr 'ONLOGON'
+Ensure-Task 'JhLab-RTEngine-Watch' $watchTr 'MINUTE' '/MO 1'
+schtasks /Delete /TN JhLab-RTEngine-Signal /F 2>$null | Out-Null
+Ensure-Task 'JhLabEnsureNative' $watchTr 'MINUTE' '/MO 1'
+
+# Compat bat wrappers
+@'
+@echo off
+powershell -NoProfile -ExecutionPolicy Bypass -File D:\apps\jh-lab\scripts\boot-all.ps1
+'@ | Set-Content (Join-Path $Root 'scripts\boot-stack.bat') -Encoding ASCII
+
+@'
+@echo off
+powershell -NoProfile -ExecutionPolicy Bypass -File D:\apps\jh-lab\scripts\watch-all.ps1
+'@ | Set-Content (Join-Path $Root 'scripts\ensure-native.bat') -Encoding ASCII
+
+@'
+@echo off
+powershell -NoProfile -ExecutionPolicy Bypass -File D:\apps\jh-lab\scripts\boot-all.ps1
+'@ | Set-Content (Join-Path $Root 'scripts\start-stack.bat') -Encoding ASCII
+
+Write-Host '=== listed tasks ==='
+Get-ScheduledTask | Where-Object { $_.TaskName -match '^JhLab(Boot|Watch|Stack)|JhLab-RTEngine|JhLabEnsureNative' } |
+  Select-Object TaskName,State | Format-Table -AutoSize
+
+Write-Host '=== dry-run boot-all now (idempotent) ==='
+& powershell -NoProfile -ExecutionPolicy Bypass -File $boot
+Write-Host DONE

deploy/prod/scripts/open-dashboard.ps1

+# Open 大屏 after stack is ready (used at boot / logon)
+$ErrorActionPreference = 'Continue'
+$Root = 'D:\apps\jh-lab'
+$Log = Join-Path $Root 'scripts\boot-all.log'
+function Log([string]$m) {
+  $line = '[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss'), $m
+  Add-Content -Path $Log -Value $line -Encoding UTF8
+  Write-Host $line
+}
+
+$url = 'http://127.0.0.1/dashboard/overview'
+
+# Wait until web is up (compose nginx)
+$ready = $false
+for ($i = 1; $i -le 60; $i++) {
+  try {
+    $r = Invoke-WebRequest -Uri 'http://127.0.0.1/' -UseBasicParsing -TimeoutSec 3
+    if ($r.StatusCode -ge 200 -and $r.StatusCode -lt 500) {
+      $ready = $true
+      Log ("web ready after ${i}s status=" + $r.StatusCode)
+      break
+    }
+  } catch {}
+  Start-Sleep -Seconds 2
+}
+if (-not $ready) {
+  Log 'WARN: web not ready, still opening dashboard'
+}
+
+# Prefer Edge; fallback Chrome / default handler
+$browsers = @(
+  "${env:ProgramFiles(x86)}\Microsoft\Edge\Application\msedge.exe",
+  "$env:ProgramFiles\Microsoft\Edge\Application\msedge.exe",
+  "$env:ProgramFiles\Google\Chrome\Application\chrome.exe",
+  "${env:ProgramFiles(x86)}\Google\Chrome\Application\chrome.exe"
+)
+$browser = $browsers | Where-Object { Test-Path $_ } | Select-Object -First 1
+
+# Avoid stacking endless tabs on every watchdog run: only open if no existing dashboard window
+$already = $false
+try {
+  $procs = Get-CimInstance Win32_Process -Filter "Name='msedge.exe' OR Name='chrome.exe'" -EA SilentlyContinue
+  foreach ($p in $procs) {
+    if ($p.CommandLine -and $p.CommandLine -match 'dashboard/overview') { $already = $true; break }
+  }
+} catch {}
+
+if ($already) {
+  Log 'dashboard already open, skip'
+  exit 0
+}
+
+if ($browser) {
+  # --new-window + start maximized; kiosk optional via env JHLAB_KIOSK=1
+  $args = @("--new-window", "--start-maximized", $url)
+  if ($env:JHLAB_KIOSK -eq '1') {
+    $args = @("--kiosk", $url)
+  }
+  Log ("opening dashboard: $browser $url")
+  Start-Process -FilePath $browser -ArgumentList $args
+} else {
+  Log ("opening dashboard via shell: $url")
+  Start-Process $url
+}

deploy/prod/scripts/watch-all.ps1

+# JhLab watchdog: keep docker compose / gateway / rtengine alive
+$ErrorActionPreference = 'Continue'
+$Root = 'D:\apps\jh-lab'
+$Docker = @(
+  "$env:ProgramFiles\Docker\Docker\resources\bin\docker.exe",
+  "$env:LOCALAPPDATA\Programs\DockerDesktop\resources\bin\docker.exe"
+) | Where-Object { Test-Path $_ } | Select-Object -First 1
+if (-not $Docker) { $Docker = 'docker' }
+
+# gateway
+if (-not (netstat -ano | findstr ':38080' | findstr 'LISTENING')) {
+  if (-not (Get-Process -Name 'JhLabGateway' -EA SilentlyContinue)) {
+    $gw = Join-Path $Root 'gateway\JhLabGateway.exe'
+    if (Test-Path $gw) {
+      Start-Process -FilePath $gw -ArgumentList (Join-Path $Root 'gateway\config.json') `
+        -WorkingDirectory (Join-Path $Root 'gateway') -WindowStyle Minimized
+    }
+  }
+}
+
+# rtengine: 单一实例 + 场景健康（多端共用同一路推流）
+# 同进程调用，勿再起可见 powershell 窗口（计划任务 Hidden 挡不住嵌套 Start）
+& (Join-Path $Root 'scripts\ensure-rtengine.ps1') | Out-Null
+
+# docker compose (only if engine is up)
+try {
+  & $Docker info 1>$null 2>$null
+  if ($LASTEXITCODE -eq 0) {
+    Push-Location $Root
+    try {
+      $need = $false
+      $ps = & $Docker compose -f docker-compose.yml ps -q 2>$null
+      if (-not $ps) { $need = $true }
+      else {
+        $running = & $Docker compose -f docker-compose.yml ps --status running -q 2>$null
+        if (-not $running) { $need = $true }
+      }
+      if ($need) {
+        if (Test-Path (Join-Path $Root '.env')) {
+          & $Docker compose --env-file .env -f docker-compose.yml up -d 1>$null 2>$null
+        } else {
+          & $Docker compose -f docker-compose.yml up -d 1>$null 2>$null
+        }
+      }
+    } finally { Pop-Location }
+  } else {
+    $desktop = @(
+      "$env:ProgramFiles\Docker\Docker\Docker Desktop.exe",
+      "$env:LOCALAPPDATA\Programs\DockerDesktop\Docker Desktop.exe"
+    ) | Where-Object { Test-Path $_ } | Select-Object -First 1
+    if ($desktop -and -not (Get-Process -Name 'Docker Desktop' -EA SilentlyContinue)) {
+      Start-Process -FilePath $desktop
+    }
+  }
+} catch {}

server/src/db/collect.ts

 import type { RealtimeSnapshot } from '../types.js'
 import { config } from '../config.js'
 import { listDevices } from '../devices/store.js'
+import { macauDateStr, recordLabPowerDaily } from '../metering/powerMeters.js'
 import { pool, query } from './pool.js'
 import { isPgEnabled } from './state.js'
 import {
@@ -17,9 +18,23 @@ let lastSnapshotWriteMs = 0
 
 /** 将一次采集快照入库：时序明细 + 降频整包 */
 export async function persistSnapshot(snap: RealtimeSnapshot) {
+  // 三块总表日差量：无 PG 时也更新内存，保证当日/当月统计可用
+  try {
+    const readings = (snap.metering.powerMeters || []).map((m) => ({
+      key: m.key,
+      name: m.name,
+      deviceId: m.deviceId,
+      energyKwh: m.energyKwh,
+      powerKw: m.powerKw,
+    }))
+    if (readings.length) await recordLabPowerDaily(readings, new Date(snap.ts || Date.now()))
+  } catch (e) {
+    console.error('[db] record lab power daily failed', e)
+  }
+
   if (!isPgEnabled()) return
 
-  // 1) 窄表时序（主路径，供大屏曲线高效读取）
+  // 窄表时序（主路径，供大屏曲线高效读取）
   try {
     await persistSnapshotTimeseries(snap)
   } catch (e) {
@@ -62,7 +77,8 @@ export async function persistSnapshot(snap: RealtimeSnapshot) {
       )
     }
 
-    const day = ts.toISOString().slice(0, 10)
+    // 日费用用电量：以三块总表当日差量合计为准（澳门日历日）
+    const day = macauDateStr(ts)
     const power = snap.metering.powerKwh
     const water = snap.metering.waterM3
     const cooling = snap.metering.coolingKwh

server/src/db/migrate.ts

@@ -38,6 +38,20 @@ CREATE TABLE IF NOT EXISTS billing_daily_usage (
   updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );
 
+/** 实验室三块总表（PAU201 / E电 / N电）日耗电：由累计读数差量得到 */
+CREATE TABLE IF NOT EXISTS energy_daily_meter (
+  usage_date DATE NOT NULL,
+  meter_key TEXT NOT NULL,
+  meter_name TEXT NOT NULL DEFAULT '',
+  device_id TEXT,
+  start_kwh NUMERIC(16,3),
+  end_kwh NUMERIC(16,3),
+  usage_kwh NUMERIC(14,3) NOT NULL DEFAULT 0,
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  PRIMARY KEY (usage_date, meter_key)
+);
+CREATE INDEX IF NOT EXISTS idx_energy_daily_meter_month ON energy_daily_meter (usage_date DESC);
+
 CREATE TABLE IF NOT EXISTS collect_samples (
   id BIGSERIAL PRIMARY KEY,
   ts TIMESTAMPTZ NOT NULL,

server/src/db/timeseries.ts

@@ -312,6 +312,38 @@ export async function persistSnapshotTimeseries(snap: RealtimeSnapshot) {
       eng: m.coolingKwh,
     },
   )
+  for (const pm of m.powerMeters || []) {
+    if (pm.energyKwh !== null && Number.isFinite(pm.energyKwh)) {
+      rows.push({
+        ts,
+        seriesId: seriesId('metering', pm.key, 'energy_kwh'),
+        deviceId: pm.key,
+        source: 'metering',
+        metric: 'energy_kwh',
+        eng: pm.energyKwh,
+      })
+    }
+    if (pm.todayKwh != null && Number.isFinite(pm.todayKwh)) {
+      rows.push({
+        ts,
+        seriesId: seriesId('metering', pm.key, 'today_kwh'),
+        deviceId: pm.key,
+        source: 'metering',
+        metric: 'today_kwh',
+        eng: pm.todayKwh,
+      })
+    }
+    if (pm.powerKw !== null && Number.isFinite(pm.powerKw)) {
+      rows.push({
+        ts,
+        seriesId: seriesId('metering', pm.key, 'power_kw'),
+        deviceId: pm.key,
+        source: 'metering',
+        metric: 'power_kw',
+        eng: pm.powerKw,
+      })
+    }
+  }
 
   await insertTsSamples(rows)
 }

server/src/mock/generator.ts

@@ -137,12 +137,38 @@ export function generateSnapshot(): RealtimeSnapshot {
       scene: { x: 133.543, y: 22.1972, z: 51 },
     })),
     metering: {
-      powerKwh: jitter(486.2, 2),
+      powerKwh: jitter(42.6, 1.2),
       waterM3: jitter(12.8, 0.2),
       coolingKwh: jitter(1286, 8, 0),
       powerTrendPct: 4.2,
       waterTrendPct: -1.8,
       coolingTrendPct: 6.5,
+      powerMeters: [
+        {
+          key: 'pau201',
+          name: 'PAU201电表',
+          deviceId: 'mb-103-pau201_db',
+          energyKwh: jitter(12840, 2),
+          powerKw: jitter(18.5, 0.8),
+          todayKwh: jitter(28.4, 0.6),
+        },
+        {
+          key: 'e_power',
+          name: 'E电电表',
+          deviceId: 'mb-103-2ate01_db',
+          energyKwh: jitter(3260, 1),
+          powerKw: jitter(2.1, 0.2),
+          todayKwh: jitter(4.2, 0.3),
+        },
+        {
+          key: 'n_power',
+          name: 'N电电表',
+          deviceId: 'mb-103-2atn01_db',
+          energyKwh: jitter(5120, 1.5),
+          powerKw: jitter(6.8, 0.4),
+          todayKwh: jitter(10.1, 0.4),
+        },
+      ],
     },
     access: {
       doors: DOORS.map((d, i) => ({

server/src/realtime/fromDevices.ts

 import { evaluatePointAlarms } from '../devices/alarms.js'
 import { listDevices, listGateways, listPoints } from '../devices/store.js'
 import type { Device, DevicePoint } from '../devices/types.js'
+import {
+  ensurePowerMeterHydrated,
+  extractLabPowerMeters,
+  todayUsageFromReadings,
+} from '../metering/powerMeters.js'
 import { listSensors } from '../sensors/store.js'
 import type {
   FridgeSnapshot,
@@ -270,9 +275,11 @@ export async function buildSnapshotFromDevices(): Promise<RealtimeSnapshot> {
     }
   }
 
-  const powerMeters = enabled.filter((d) => d.category === 'meter_power')
   const waterMeters = enabled.filter((d) => d.category === 'meter_water')
   const coolMeters = enabled.filter((d) => d.category === 'meter_cooling')
+  const labPowerReadings = extractLabPowerMeters(enabled, byDevice)
+  await ensurePowerMeterHydrated()
+  const { totalKwh: todayTotal, byKey: todayByKey } = todayUsageFromReadings(labPowerReadings)
 
   let onlineCount = 0
   for (const d of enabled) {
@@ -300,12 +307,20 @@ export async function buildSnapshotFromDevices(): Promise<RealtimeSnapshot> {
     neLights,
     sensors: sensorSnapshots,
     metering: {
-      powerKwh: sumEng(powerMeters, byDevice, /用电量|有功电能|总有功/),
+      powerKwh: todayTotal,
       waterM3: sumEng(waterMeters, byDevice, /用水量|累计流量|流量/),
       coolingKwh: sumEng(coolMeters, byDevice, /冷量|累计|用电量/),
       powerTrendPct: 0,
       waterTrendPct: 0,
       coolingTrendPct: 0,
+      powerMeters: labPowerReadings.map((r) => ({
+        key: r.key,
+        name: r.name,
+        deviceId: r.deviceId,
+        energyKwh: r.energyKwh,
+        powerKw: r.powerKw,
+        todayKwh: todayByKey.get(r.key) || 0,
+      })),
     },
     access: {
       doors: enabled

server/src/realtime/screen.ts

@@ -226,9 +226,10 @@ export async function buildScreenDashboard(): Promise<ScreenDashboard> {
 
   const powerBars = enabled
     .filter((d) => d.category === 'meter_power')
+    .filter((d) => /PAU201电表|E电电表|N电电表/.test(d.name))
     .map((d) => ({
       name: d.name,
-      value: engOf(byDevice.get(d.id) || [], /用电量|有功电能/),
+      value: engOf(byDevice.get(d.id) || [], /用电量|正向有功总电能|有功总电能|有功电能/),
     }))
 
   const roomDevs = enabled.filter((d) => d.category === 'room')

server/src/realtime/store.ts

@@ -42,6 +42,7 @@ let snapshot: RealtimeSnapshot = {
     powerTrendPct: 0,
     waterTrendPct: 0,
     coolingTrendPct: 0,
+    powerMeters: [],
   },
   access: { doors: [], todayPassCount: 0, recentEvents: [] },
   online: { devicesOnline: 0, devicesTotal: 0, gatewayOk: false },

server/src/routes/billing.ts

@@ -7,6 +7,8 @@ import {
   getReport,
   type TariffSettings,
 } from '../billing/store.js'
+import { getPowerEnergyStats } from '../metering/powerMeters.js'
+import { getSnapshot } from '../realtime/store.js'
 
 export const billingRouter = Router()
 
@@ -53,6 +55,18 @@ billingRouter.get('/stats', async (_req, res) => {
   res.json(await getStats())
 })
 
+/** PAU201 / E电 / N电：当天与当月总耗 + 分项 */
+billingRouter.get('/power-energy', async (_req, res) => {
+  const readings = (getSnapshot().metering.powerMeters || []).map((m) => ({
+    key: m.key,
+    name: m.name,
+    deviceId: m.deviceId,
+    energyKwh: m.energyKwh,
+    powerKw: m.powerKw,
+  }))
+  res.json(await getPowerEnergyStats(readings))
+})
+
 billingRouter.get('/report', async (req, res) => {
   const to = String(req.query.to || new Date().toISOString().slice(0, 10))
   let from = String(req.query.from || '')

server/src/types.ts

@@ -142,12 +142,22 @@ export interface RealtimeSnapshot {
   /** 传感器聚合（压差等：多点位 → 单打点） */
   sensors?: SensorSnapshot[]
   metering: {
+    /** 当日三块总表耗电合计 kWh（差量）；无基线时为 0 */
     powerKwh: number
     waterM3: number
     coolingKwh: number
     powerTrendPct: number
     waterTrendPct: number
     coolingTrendPct: number
+    /** PAU201 / E电 / N电 分项（累计读数 + 当日差量） */
+    powerMeters?: {
+      key: 'pau201' | 'e_power' | 'n_power'
+      name: string
+      deviceId: string
+      energyKwh: number | null
+      powerKw: number | null
+      todayKwh: number
+    }[]
   }
   access: {
     doors: DoorSnapshot[]

web/src/components/screen/KpiFlipBoard.vue

@@ -61,11 +61,10 @@ const list = computed(() => props.items || [])
   padding: 10px 12px 12px;
   border-radius: 4px;
   border: 1px solid rgba(0, 247, 255, 0.28);
-  background: linear-gradient(180deg, rgba(8, 36, 68, 0.88), rgba(3, 14, 32, 0.78));
+  background: linear-gradient(180deg, rgba(8, 36, 68, 0.92), rgba(3, 14, 32, 0.88));
   box-shadow:
     inset 0 1px 0 rgba(255, 255, 255, 0.06),
     0 8px 20px rgba(0, 0, 0, 0.28);
-  backdrop-filter: blur(8px);
 }
 .kpi-head {
   display: flex;

web/src/components/screen/PanelBox.vue

@@ -58,8 +58,8 @@ const fillId = `titleFill-${useId()}`
   min-height: 0;
   display: flex;
   flex-direction: column;
-  background: rgba(0, 18, 42, 0.42);
-  backdrop-filter: blur(8px);
+  /* 不用 backdrop-filter：叠在云渲染上时鼠标移入会触发整屏闪白 */
+  background: rgba(0, 14, 36, 0.82);
   border: 1px solid rgba(0, 247, 255, 0.12);
   box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
 }

web/src/components/screen/ScreenHeader.vue

@@ -7,15 +7,30 @@ defineProps<{
   title?: string
 }>()
 
+const emit = defineEmits<{
+  home: []
+}>()
+
 const { t, locale } = useI18n()
 /** 中文标题不用伪斜体，避免繁体缺字/合成字形忽大忽小 */
 const cjkTitle = computed(() => String(locale.value).startsWith('zh'))
+
+function onTitleHome() {
+  emit('home')
+}
 </script>
 
 <template>
   <header class="screen-header-hy">
+    <button
+      type="button"
+      class="title-hit"
+      :aria-label="title || t('screen.defaultTitle')"
+      @click="onTitleHome"
+    >
       <img class="banner" :src="headerBar" alt="" />
       <h1 :class="{ 'is-cjk': cjkTitle }">{{ title || t('screen.defaultTitle') }}</h1>
+    </button>
     <div class="slot-left">
       <slot name="left" />
     </div>
@@ -33,12 +48,23 @@ const cjkTitle = computed(() => String(locale.value).startsWith('zh'))
   flex-shrink: 0;
   pointer-events: auto;
 }
+.title-hit {
+  position: absolute;
+  inset: 0;
+  z-index: 1;
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+  cursor: pointer;
+}
 .banner {
   display: block;
   width: 100%;
   height: 100%;
   object-fit: cover;
   object-position: center top;
+  pointer-events: none;
 }
 h1 {
   position: absolute;

web/src/composables/useLightSceneEffects.ts

@@ -14,7 +14,7 @@ const SPOT_PREFIX = 'spot:'
 /** 灯具挂高：相对设施打点 z，抬高后朝下覆盖房间 */
 const SPOT_HEIGHT = 4.2
 /**
- * candela。关自动曝光后场景偏暗；再 ×10 保证整间足够亮。
+ * candela。照明模式下加大亮度，保证整间足够亮。
  * 仅用朝下 spotlight，不用 point light。
  */
 const SPOT_INTENSITY_ON = 4_200_000
@@ -79,7 +79,7 @@ function toSpot(s: SensorSnapshot, on: boolean): RtengineLight {
     outerConeAngle: SPOT_OUTER_CONE,
     color: isE ? COLOR_E : COLOR_N,
     useTemperature: false,
-    // 关阴影，避免暗部吃光；关自动曝光时更明显
+    // 关阴影，避免暗部吃光
     castShadows: false,
     visible: on,
     tag0: 'facility-spot',

web/src/composables/useScreenModePois.ts

@@ -10,7 +10,6 @@ import {
   MODE_MARKER_SCALE_X,
   MODE_MARKER_SCALE_Y,
   MODE_MARKER_SCALE_Z,
-  MODE_POIS,
   fmtNum,
   poisForMode,
   type ModePoiDef,
@@ -235,7 +234,7 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
     }
   }
 
-  /** 只卸我们跟踪过的点；不做 listMarkers 全表扫描（易误伤刚打上的点） */
+  /** 只卸当前分类跟踪过的点；勿扫 MODE_POIS 全表（会打出大量空 dc 的 removeMarker 报错） */
   function removeActive() {
     const ids = activeIds.slice()
     activeIds = []
@@ -246,19 +245,17 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
         /* ignore */
       }
     }
-    for (const def of MODE_POIS) {
-      try {
-        bridge.removeMarker(poiMarkerId(def))
-      } catch {
-        /* ignore */
-      }
-    }
   }
 
-  /** @param replace true=先卸再加（仅分类切换）；false=引擎已有则只改文字，绝不 updateMarker（会闪没） */
-  function paint(markers: RtengineMarker[], replace = false) {
-    const engineIds = new Set((bridge.listMarkers?.() || []).map((x) => x.id))
-    const known = new Set([...activeIds, ...engineIds])
+  /**
+   * @param replace true=先卸再加（仅分类切换）
+   * @param readd true=跨域飞镜后强制再 add（listMarkers 读不到时不能只靠 activeIds 装活）
+   */
+  function paint(markers: RtengineMarker[], replace = false, readd = false) {
+    const listed = bridge.listMarkers?.() || []
+    const engineIds = new Set(listed.map((x) => x.id))
+    // 跨域 iframe 时 listMarkers 恒为空；若仍信 activeIds，飞镜清点后永远不会再 add
+    const blind = listed.length === 0
     for (const m of markers) {
       if (replace) {
         try {
@@ -270,7 +267,9 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
         bridge.setMarkerVisible(m.id, true)
         continue
       }
-      if (known.has(m.id)) {
+      const aliveInEngine = engineIds.has(m.id)
+      const assumeAlive = !blind && !readd && (aliveInEngine || activeIds.includes(m.id))
+      if (assumeAlive) {
         if (m.text != null && bridge.updateMarkerText) {
           bridge.updateMarkerText(m.id, String(m.text))
         }
@@ -308,17 +307,17 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
       if (!enabled.value || !bridge.ready.value) return
       if (mode.value !== expectedMode) return
       const markers = markersForMode(expectedMode, realtime.snapshot)
-      // 分类切换后补打一次，避免被引擎异步/并发 sync 卸掉后没加回
-      paint(markers, true)
+      // 跨域无法确认引擎是否还留着点 → 强制再 add
+      paint(markers, false, true)
       lastStructSig = structSigOf(markers)
       lastTextSig = textSigOf(markers)
       lastMode = expectedMode
       activeIds = markers.map((m) => m.id)
-    }, 180)
+    }, 400)
   }
 
   /**
-   * @param force 补打/恢复（飞镜后）：只 add，不先 remove
+   * @param force 补打/恢复（飞镜后）：只 add，不先 remove；且跳过「结构未变」短路
    * @param rebuild 分类切换：先 remove 再 add
    */
   async function sync(opts: { force?: boolean; rebuild?: boolean } = {}) {
@@ -333,14 +332,23 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
     let removedPendingPaint = false
     try {
       const current = mode.value
-      const modeChanged = current !== lastMode
+      // lastMode=='' 视为首屏，不能当「分类切换」去卸点
+      const firstPaint = lastMode === ''
+      const modeChanged = !firstPaint && current !== lastMode
       const snap = realtime.snapshot
       const markers = markersForMode(current, snap)
       const structSig = structSigOf(markers)
       const textSig = textSigOf(markers)
 
-      // 同分类结构未变：只刷文案；force 且引擎里已有点时不要再 update/add（会闪）
-      if (!rebuild && !modeChanged && structSig === lastStructSig && activeIds.length) {
+      // 同分类结构未变：只刷文案。force 必须继续走 paint（飞镜后点已被引擎清掉）
+      if (
+        !force &&
+        !rebuild &&
+        !modeChanged &&
+        !firstPaint &&
+        structSig === lastStructSig &&
+        activeIds.length
+      ) {
         if (textSig !== lastTextSig) {
           refreshTexts(markers)
           lastTextSig = textSig
@@ -349,7 +357,7 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
         return
       }
 
-      // 分类切换：卸旧再打
+      // 真正的分类切换才卸旧再打；首屏 / 补打只 add
       if (rebuild || modeChanged) {
         removeActive()
         removedPendingPaint = true
@@ -359,8 +367,9 @@ export function useScreenModePois(bridge: BridgeLike, enabled: Ref<boolean>, _cl
         removedPendingPaint = false
         scheduleReinforce(current)
       } else {
-        // 结构变化或首次：有则只改文字、无则 add，避免 updateMarker 闪没
-        paint(markers, false)
+        // force/首屏：跨域 blind 下强制 readd
+        paint(markers, false, force || firstPaint)
+        if (firstPaint || force) scheduleReinforce(current)
       }
       lastStructSig = structSig
       lastTextSig = textSig

web/src/i18n/locales/en.ts

@@ -83,6 +83,8 @@ export default {
     kpiCold: 'Cold chain OK',
     kpiEnv: 'Rooms OK',
     kpiAlarm: 'Active alarms',
+    kpiTodayEnergy: 'Today energy',
+    kpiTodayEnergyHint: '3 meters total kWh',
     gatewayOk: 'up',
     gatewayDown: 'down',
     gatewayHint: '{online}/{total} · GW {gw}',
@@ -118,9 +120,12 @@ export default {
     interlockOk: 'Interlock OK',
     pressureWatch: 'Pressure watch',
     pressureEmpty: 'Pressure history accumulating',
-    energyTitle: 'Energy & green · 24h',
+    energyTitle: 'Power meters · live',
     timeseries: 'Timeseries',
-    powerTotal: 'Power',
+    powerMetersBadge: '3 meters',
+    powerTotal: 'Today total',
+    todayShort: 'Today',
+    meterReading: 'Register',
     water: 'Water',
     cooling: 'Cooling',
     energyEmpty: 'Energy history accumulating',

web/src/i18n/locales/pt.ts

@@ -83,6 +83,8 @@ export default {
     kpiCold: 'Cadeia de frio OK',
     kpiEnv: 'Salas OK',
     kpiAlarm: 'Alarmes ativos',
+    kpiTodayEnergy: 'Energia do dia',
+    kpiTodayEnergyHint: '3 medidores kWh',
     gatewayOk: 'ok',
     gatewayDown: 'falha',
     gatewayHint: '{online}/{total} · GW {gw}',
@@ -118,9 +120,12 @@ export default {
     interlockOk: 'Interbloqueio OK',
     pressureWatch: 'Pressão a vigiar',
     pressureEmpty: 'Histórico de pressão a acumular',
-    energyTitle: 'Energia e sustentabilidade · 24h',
+    energyTitle: 'Medidores · tempo real',
     timeseries: 'Séries',
-    powerTotal: 'Eletricidade',
+    powerMetersBadge: '3 medidores',
+    powerTotal: 'Total do dia',
+    todayShort: 'Hoje',
+    meterReading: 'Registo',
     water: 'Água',
     cooling: 'Frio',
     energyEmpty: 'Histórico de energia a acumular',

web/src/i18n/locales/zh-CN.ts

@@ -83,6 +83,8 @@ export default {
     kpiCold: '冷链正常',
     kpiEnv: '环境合格区',
     kpiAlarm: '当前告警',
+    kpiTodayEnergy: '当日能耗',
+    kpiTodayEnergyHint: '三表合计 kWh',
     gatewayOk: '通',
     gatewayDown: '断',
     gatewayHint: '{online}/{total} · 网关{gw}',
@@ -118,9 +120,12 @@ export default {
     interlockOk: '联锁正常',
     pressureWatch: '压差关注',
     pressureEmpty: '压差历史积累中',
-    energyTitle: '能耗与绿色 · 24h',
+    energyTitle: '电能统计 · 实时',
     timeseries: '时序',
-    powerTotal: '总用电',
+    powerMetersBadge: '三表',
+    powerTotal: '当日总用电',
+    todayShort: '今日',
+    meterReading: '表底',
     water: '用水',
     cooling: '冷量',
     energyEmpty: '能耗历史积累中',

web/src/i18n/locales/zh-TW.ts

@@ -83,6 +83,8 @@ export default {
     kpiCold: '冷鏈正常',
     kpiEnv: '環境合格區',
     kpiAlarm: '當前告警',
+    kpiTodayEnergy: '當日能耗',
+    kpiTodayEnergyHint: '三表合計 kWh',
     gatewayOk: '通',
     gatewayDown: '斷',
     gatewayHint: '{online}/{total} · 閘道{gw}',
@@ -118,9 +120,12 @@ export default {
     interlockOk: '聯鎖正常',
     pressureWatch: '壓差關注',
     pressureEmpty: '壓差歷史累積中',
-    energyTitle: '能耗與綠色 · 24h',
+    energyTitle: '電能統計 · 即時',
     timeseries: '時序',
-    powerTotal: '總用電',
+    powerMetersBadge: '三表',
+    powerTotal: '當日總用電',
+    todayShort: '今日',
+    meterReading: '表底',
     water: '用水',
     cooling: '冷量',
     energyEmpty: '能耗歷史累積中',

web/src/layouts/ScreenLayout.vue

 <script setup lang="ts">
-import { onMounted, onUnmounted } from 'vue'
+import { onMounted, onUnmounted, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { useAuthStore } from '@/stores/auth'
@@ -20,6 +20,7 @@ const { time, date } = useClock()
 const { place, temp, text: weatherText, humidity } = useMacauWeather()
 const { style } = useStageScale()
 const { title: screenTitle } = useScreenTitle()
+const sceneRef = ref<InstanceType<typeof SceneViewport> | null>(null)
 
 onMounted(() => {
   realtime.connect()
@@ -33,6 +34,10 @@ function goAdmin() {
   if (auth.isLoggedIn) router.push('/admin')
   else router.push({ path: '/login', query: { redirect: '/admin' } })
 }
+
+function onHeaderHome() {
+  sceneRef.value?.flyToHome?.(true)
+}
 </script>
 
 <template>
@@ -42,7 +47,7 @@ function goAdmin() {
 
     <!-- 底层：RTEngine / 三维场景铺满 -->
     <div class="scene-layer">
-      <SceneViewport layout="fill" />
+      <SceneViewport ref="sceneRef" layout="fill" />
     </div>
 
     <!-- 四周渐变遮罩：压暗边缘，中间留白给三维 -->
@@ -55,7 +60,7 @@ function goAdmin() {
 
     <!-- 上层：标题 / 导航 / 业务面板悬浮 -->
     <div class="ui-layer">
-      <ScreenHeader :title="screenTitle">
+      <ScreenHeader :title="screenTitle" @home="onHeaderHome">
         <template #left>
           <div class="weather-wrap">
             <span class="place">{{ place }}</span>

web/src/stores/realtime.ts

@@ -27,6 +27,7 @@ const empty: RealtimeSnapshot = {
     powerTrendPct: 0,
     waterTrendPct: 0,
     coolingTrendPct: 0,
+    powerMeters: [],
   },
   access: { doors: [], todayPassCount: 0, recentEvents: [] },
   online: { devicesOnline: 0, devicesTotal: 0, gatewayOk: false },

web/src/stores/screenMode.ts

@@ -3,7 +3,7 @@ import { defineStore } from 'pinia'
 import type { ScreenMode } from '@/data/screenModePois'
 
 export const useScreenModeStore = defineStore('screenMode', () => {
-  /** 大屏默认：压差分类；视角仍用「全景总览」书签 */
+  /** 大屏默认：压差分类；视角用「主视图」书签 */
   const mode = ref<ScreenMode>('pressure')
 
   function setMode(next: ScreenMode) {

web/src/types.ts

@@ -122,12 +122,21 @@ export interface RealtimeSnapshot {
   neLights?: NeLightSnapshot[]
   sensors?: SensorSnapshot[]
   metering: {
+    /** 当日三块总表耗电合计 kWh */
     powerKwh: number
     waterM3: number
     coolingKwh: number
     powerTrendPct: number
     waterTrendPct: number
     coolingTrendPct: number
+    powerMeters?: {
+      key: 'pau201' | 'e_power' | 'n_power'
+      name: string
+      deviceId: string
+      energyKwh: number | null
+      powerKw: number | null
+      todayKwh: number
+    }[]
   }
   access: {
     doors: DoorSnapshot[]

web/src/types/billing.ts

@@ -71,3 +71,34 @@ export interface BillingReport {
   }
   rows: DailyBill[]
 }
+
+/** PAU201 / E电 / N电 当天·当月电耗 */
+export interface PowerEnergyMeterUsage {
+  key: 'pau201' | 'e_power' | 'n_power'
+  name: string
+  deviceId: string
+  usageKwh: number
+  energyKwh: number | null
+  powerKw: number | null
+}
+
+export interface PowerEnergyStats {
+  date: string
+  month: string
+  today: {
+    totalKwh: number
+    meters: PowerEnergyMeterUsage[]
+  }
+  monthPeriod: {
+    totalKwh: number
+    meters: PowerEnergyMeterUsage[]
+  }
+  trend30d: {
+    date: string
+    label: string
+    totalKwh: number
+    pau201: number
+    ePower: number
+    nPower: number
+  }[]
+}

web/src/views/overview/OverviewView.vue

@@ -24,7 +24,7 @@ const kpiItems = computed<KpiFlipItem[]>(() => {
       { key: 'online', label: t('overview.kpiOnline'), value: '—', tone: 'device', icon: 'kpi-device' },
       { key: 'cold', label: t('overview.kpiCold'), value: '—', tone: 'cool', icon: 'kpi-cool' },
       { key: 'env', label: t('overview.kpiEnv'), value: '—', tone: 'access', icon: 'kpi-access' },
-      { key: 'alarm', label: t('overview.kpiAlarm'), value: '—', tone: 'power', icon: 'kpi-power' },
+      { key: 'energy', label: t('overview.kpiTodayEnergy'), value: '—', tone: 'power', icon: 'kpi-power' },
     ]
   }
   const rate = d.deviceTotal ? ((d.deviceOnline / d.deviceTotal) * 100).toFixed(0) : '0'
@@ -55,16 +55,19 @@ const kpiItems = computed<KpiFlipItem[]>(() => {
       icon: 'kpi-access',
     },
     {
-      key: 'alarm',
-      label: t('overview.kpiAlarm'),
-      value: String(d.alarmOpen),
-      hint: d.alarmOpen ? t('overview.dutyFollow') : t('overview.noOpenAlarm'),
-      tone: d.alarmOpen ? 'power' : 'device',
+      key: 'energy',
+      label: t('overview.kpiTodayEnergy'),
+      value: d.powerKwh.toFixed(1),
+      hint: t('overview.kpiTodayEnergyHint'),
+      tone: 'power',
       icon: 'kpi-power',
     },
   ]
 })
 
+/** 右下角电能：三块电表实时读数 */
+const powerMeters = computed(() => snap.value.metering?.powerMeters || [])
+
 const chartText = '#9ec8dc'
 
 function statusLabel(key: string | undefined, fallback: string) {
@@ -337,13 +340,29 @@ const energyDigits = computed(() => digits.value)
 
       <PanelBox :title="t('overview.energyTitle')">
         <template #extra>
-          <span class="badge">{{ t('overview.timeseries') }}</span>
+          <span class="badge">{{ t('overview.powerMetersBadge') }}</span>
         </template>
         <div class="panel-stack">
-          <div class="energy-digits">
+          <div class="energy-digits energy-digits--meters">
+            <div
+              v-for="m in powerMeters"
+              :key="m.key"
+              class="ed"
+            >
+              <span>{{ m.name }}</span>
+              <b>
+                <template v-if="m.powerKw != null">{{ m.powerKw.toFixed(2) }} <small>kW</small></template>
+                <template v-else>—</template>
+              </b>
+              <em>{{ t('overview.todayShort') }} {{ m.todayKwh.toFixed(1) }} kWh</em>
+            </div>
+            <template v-if="!powerMeters.length">
               <div class="ed">
                 <span>{{ t('overview.powerTotal') }}</span>
-              <b>{{ energyDigits ? energyDigits.powerKwh.toFixed(1) : '—' }} <small>kWh</small></b>
+                <b>
+                  {{ energyDigits ? energyDigits.powerKwh.toFixed(1) : '—' }}
+                  <small>kWh</small>
+                </b>
               </div>
               <div class="ed">
                 <span>{{ t('overview.water') }}</span>
@@ -353,6 +372,7 @@ const energyDigits = computed(() => digits.value)
                 <span>{{ t('overview.cooling') }}</span>
                 <b>{{ energyDigits ? energyDigits.coolingKwh.toFixed(0) : '—' }} <small>kWh</small></b>
               </div>
+            </template>
           </div>
           <EChart
             class="chart-main"
@@ -498,29 +518,48 @@ const energyDigits = computed(() => digits.value)
   gap: 6px;
   flex-shrink: 0;
 }
+.energy-digits--meters {
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+}
 .ed {
-  padding: 8px;
+  padding: 6px 8px;
   border-radius: 4px;
   background: rgba(6, 28, 56, 0.45);
   border: 1px solid rgba(0, 247, 255, 0.14);
+  min-width: 0;
 }
 .ed span {
   display: block;
   font-size: 10px;
   color: var(--panel-muted);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 .ed b {
   display: block;
-  margin-top: 4px;
-  font-size: 16px;
+  margin-top: 2px;
+  font-size: 15px;
   font-family: var(--font-num);
   color: #fff;
+  white-space: nowrap;
 }
 .ed small {
   font-size: 10px;
   color: rgba(200, 230, 245, 0.65);
   font-weight: 500;
 }
+.ed em {
+  display: block;
+  margin-top: 2px;
+  font-style: normal;
+  font-size: 10px;
+  color: rgba(158, 210, 232, 0.78);
+  line-height: 1.3;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
 .screen-err {
   position: absolute;
   left: 50%;