chore: release main

- Keep chart documentation aligned with the application version
- Update app versions automatically after application releases
- Restore the main application release as latest after chart publishing

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+

.github/workflows/docker-images.yml

@@ -41,7 +41,7 @@ jobs:
           # henrygd/beszel-agent-nvidia
           - image: henrygd/beszel-agent-nvidia
             dockerfile: ./internal/dockerfile_agent_nvidia
-            platforms: linux/amd64
+            platforms: linux/amd64,linux/arm64
             registry: docker.io
             username_secret: DOCKERHUB_USERNAME
             password_secret: DOCKERHUB_TOKEN
@@ -52,6 +52,19 @@ jobs:
               type=semver,pattern={{major}}
               type=raw,value={{sha}},enable=${{ github.ref_type != 'tag' }}
 
+          # henrygd/beszel-agent-nvidia:slim
+          - image: henrygd/beszel-agent-nvidia
+            dockerfile: ./internal/dockerfile_agent_nvidia_slim
+            platforms: linux/amd64,linux/arm64
+            registry: docker.io
+            username_secret: DOCKERHUB_USERNAME
+            password_secret: DOCKERHUB_TOKEN
+            tags: |
+              type=raw,value=slim
+              type=semver,pattern={{version}}-slim
+              type=semver,pattern={{major}}.{{minor}}-slim
+              type=semver,pattern={{major}}-slim
+
           # henrygd/beszel-agent-intel
           - image: henrygd/beszel-agent-intel
             dockerfile: ./internal/dockerfile_agent_intel
@@ -96,7 +109,7 @@ jobs:
           # ghcr.io/henrygd/beszel-agent-nvidia
           - image: ghcr.io/${{ github.repository }}/beszel-agent-nvidia
             dockerfile: ./internal/dockerfile_agent_nvidia
-            platforms: linux/amd64
+            platforms: linux/amd64,linux/arm64
             registry: ghcr.io
             username: ${{ github.actor }}
             password_secret: GITHUB_TOKEN
@@ -107,6 +120,19 @@ jobs:
               type=semver,pattern={{major}}
               type=raw,value={{sha}},enable=${{ github.ref_type != 'tag' }}
 
+          # ghcr.io/henrygd/beszel-agent-nvidia:slim
+          - image: ghcr.io/${{ github.repository }}/beszel-agent-nvidia
+            dockerfile: ./internal/dockerfile_agent_nvidia_slim
+            platforms: linux/amd64,linux/arm64
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password_secret: GITHUB_TOKEN
+            tags: |
+              type=raw,value=slim
+              type=semver,pattern={{version}}-slim
+              type=semver,pattern={{major}}.{{minor}}-slim
+              type=semver,pattern={{major}}-slim
+
           # ghcr.io/henrygd/beszel-agent-intel
           - image: ghcr.io/${{ github.repository }}/beszel-agent-intel
             dockerfile: ./internal/dockerfile_agent_intel
@@ -152,7 +178,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up bun
         uses: oven-sh/setup-bun@v2
@@ -164,14 +190,14 @@ jobs:
         run: bun run --cwd ./internal/site build
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
       - name: Docker metadata
         id: metadata
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ matrix.image }}
           tags: ${{ matrix.tags }}
@@ -181,7 +207,7 @@ jobs:
         env:
           password_secret_exists: ${{ secrets[matrix.password_secret] != '' && 'true' || 'false' }}
         if: github.event_name != 'pull_request' && env.password_secret_exists == 'true'
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ matrix.username || secrets[matrix.username_secret] }}
           password: ${{ secrets[matrix.password_secret] }}
@@ -190,11 +216,13 @@ jobs:
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v7
         with:
           context: ./
           file: ${{ matrix.dockerfile }}
-          platforms: ${{ matrix.platforms || 'linux/amd64,linux/arm64,linux/arm/v7' }}
+          platforms: ${{ matrix.platforms || 'linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7' }}
           push: ${{ github.ref_type == 'tag' && secrets[matrix.password_secret] != '' }}
+          provenance: mode=max
+          sbom: true
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}

.github/workflows/inactivity-actions.yml

@@ -15,7 +15,7 @@ jobs:
     name: Lock Inactive Issues
     runs-on: ubuntu-24.04
     steps:
-      - uses: klaasnicolaas/action-inactivity-lock@v1.1.3
+      - uses: klaasnicolaas/action-inactivity-lock@v2.0.1
         id: lock
         with:
           days-inactive-issues: 14
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Close Stale Issues
-        uses: actions/stale@v10
+        uses: actions/stale@v11
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 

.github/workflows/release-please.yml

@@ -0,0 +1,152 @@
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/release-please.yml"
+      - "release-please-config.json"
+      - ".release-please-manifest.json"
+      - "supplemental/helm/**"
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+env:
+  PUBLISHABLE_ITEMS: '["supplemental/helm/beszel-agent", "supplemental/helm/beszel-hub"]'
+
+name: helm-release
+
+concurrency:
+  group: helm-release
+  cancel-in-progress: false
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - uses: googleapis/release-please-action@v4
+        name: Prepare release
+        id: release-please
+        with:
+          token: ${{ secrets.CR_TOKEN }}
+
+      - name: Dump Release Please Output
+        env:
+          RELEASE_PLEASE_OUTPUT: ${{ toJson(steps.release-please.outputs) }}
+        run: |
+          echo "$RELEASE_PLEASE_OUTPUT"
+
+      - name: Determine what should be published
+        uses: actions/github-script@v8
+        id: items-to-publish
+        env:
+          CHANGED_ITEMS: "${{ steps.release-please.outputs.paths_released }}"
+        with:
+          script: |
+            const changedItems = JSON.parse(process.env.CHANGED_ITEMS || '[]');
+            console.log("changed items", changedItems);
+            const eligibleItems = JSON.parse(process.env.PUBLISHABLE_ITEMS || '[]');
+            console.log("eligible items", eligibleItems);
+            const itemsToPublish = changedItems.filter(i => eligibleItems.includes(i));
+            console.log("items to publish", itemsToPublish);
+            return itemsToPublish;
+    outputs:
+      items_to_publish: ${{ steps.items-to-publish.outputs.result }}
+      releases: ${{ toJson(steps.release-please.outputs) }}
+
+  release-charts:
+    name: Release Charts
+    needs: release
+    runs-on: ubuntu-latest
+    if: ${{ needs.release.outputs.items_to_publish != '' && toJson(fromJson(needs.release.outputs.items_to_publish)) != '[]' }}
+    strategy:
+      fail-fast: false
+      max-parallel: 1
+      matrix:
+        path: ${{ fromJSON(needs.release.outputs.items_to_publish) }}
+
+    env:
+      TAG: ${{ fromJson(needs.release.outputs.releases)[format('{0}--tag_name', matrix.path)] }}
+      VERSION: ${{ fromJson(needs.release.outputs.releases)[format('{0}--version', matrix.path)] }}
+      RELEASE_ID: ${{ fromJson(needs.release.outputs.releases)[format('{0}--id', matrix.path)] }}
+
+    steps:
+      - name: Debug
+        run: |
+          echo ${{ env.TAG }}
+          echo ${{ env.VERSION }}
+          echo ${{ matrix.path }}
+
+      - name: ✨ Checkout repository
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          echo ${{ needs.release.outputs.items_to_publish }}
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Install Chart Releaser
+        run: |
+          version=v1.6.0
+          mkdir .tmp
+          install_dir=.tmp
+          echo "Installing chart-releaser on $install_dir..."
+          curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/$version/chart-releaser_${version#v}_linux_amd64.tar.gz"
+          tar -xzf cr.tar.gz -C "$install_dir"
+          rm -f cr.tar.gz
+
+      - name: Package chart
+        run: |
+          .tmp/cr package ${{ matrix.path }}
+          ls -la .cr-release-packages/
+
+      - name: Upload chart package to draft release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release upload "$TAG" .cr-release-packages/*.tgz --clobber
+
+      - name: Publish chart release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CHART_PATH: ${{ matrix.path }}
+        run: |
+          chart_name="${CHART_PATH##*/}"
+          gh api --method PATCH "repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}" \
+            -f "name=Helm chart: ${chart_name} v${VERSION}" \
+            -F draft=false \
+            -f make_latest=false
+
+      - name: Update index
+        run: |
+          owner=$(cut -d '/' -f 1 <<< "$GITHUB_REPOSITORY")
+          repo=$(cut -d '/' -f 2 <<< "$GITHUB_REPOSITORY")
+
+          # Create the local output directory for the generated index
+          mkdir -p docs
+
+          # Generate index.yaml for GitHub Pages
+          args=(-o "$owner" -r "$repo" --push -t "${{ secrets.CR_TOKEN }}" --index-path docs/index.yaml --release-name-template '{{ .Name }}-v{{ .Version }}')
+          .tmp/cr index "${args[@]}"
+
+      - name: Restore application release as latest
+        if: ${{ always() }}
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          release_id=$(gh api "repos/${GITHUB_REPOSITORY}/releases?per_page=100" \
+            --jq 'map(select(.draft == false and .prerelease == false and (.tag_name | test("^v[0-9]"))))[0].id')
+          test -n "$release_id"
+          gh api --method PATCH "repos/${GITHUB_REPOSITORY}/releases/${release_id}" \
+            -f make_latest=true

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
@@ -27,12 +27,12 @@ jobs:
         run: bun run --cwd ./internal/site build
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v7
         with:
           go-version: "^1.22.1"
 
       - name: Set up .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: "9.0.x"
 
@@ -42,7 +42,7 @@ jobs:
         shell: bash
 
       - name: GoReleaser beszel
-        uses: goreleaser/goreleaser-action@v6
+        uses: goreleaser/goreleaser-action@v7
         with:
           workdir: ./
           distribution: goreleaser
@@ -52,3 +52,51 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.TOKEN || secrets.GITHUB_TOKEN }}
           WINGET_TOKEN: ${{ secrets.WINGET_TOKEN }}
           IS_FORK: ${{ github.repository_owner != 'henrygd' }}
+
+  update-helm-app-version:
+    name: Update Helm app version
+    needs: goreleaser
+    if: ${{ github.repository_owner == 'henrygd' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout main
+        uses: actions/checkout@v7
+        with:
+          ref: main
+          token: ${{ secrets.CR_TOKEN }}
+
+      - name: Update chart app versions
+        env:
+          RELEASE_TAG: ${{ github.ref_name }}
+        run: |
+          version="${RELEASE_TAG#v}"
+          if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+([-.][0-9A-Za-z.-]+)?$ ]]; then
+            echo "Invalid release version: $version" >&2
+            exit 1
+          fi
+
+          for chart in supplemental/helm/beszel-agent supplemental/helm/beszel-hub; do
+            current_version=$(awk -F '"' '/^appVersion:/ { print $2 }' "$chart/Chart.yaml")
+            NEW_VERSION="$version" perl -pi -e 's/^appVersion:.*$/appVersion: "$ENV{NEW_VERSION}"/' "$chart/Chart.yaml"
+            OLD_VERSION="$current_version" NEW_VERSION="$version" \
+              perl -pi -e 's/\Q$ENV{OLD_VERSION}\E/$ENV{NEW_VERSION}/g' "$chart/README.md"
+          done
+
+      - name: Commit app version update
+        env:
+          RELEASE_TAG: ${{ github.ref_name }}
+        run: |
+          if git diff --quiet -- supplemental/helm; then
+            echo "Helm charts already use ${RELEASE_TAG#v}"
+            exit 0
+          fi
+
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add supplemental/helm/beszel-agent/Chart.yaml \
+            supplemental/helm/beszel-agent/README.md \
+            supplemental/helm/beszel-hub/Chart.yaml \
+            supplemental/helm/beszel-hub/README.md
+          git commit -m "fix(helm): update app version to ${RELEASE_TAG#v}"
+          git push origin HEAD:main

.github/workflows/vulncheck.yml

@@ -19,11 +19,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@v7
         with:
-          go-version: 1.26.x
+          go-version: stable
           # cached: false
       - name: Get official govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest

.gitignore

@@ -3,7 +3,6 @@ pb_data
 data
 temp
 .vscode
-beszel-agent
 beszel_data
 beszel_data*
 dist
@@ -21,3 +20,5 @@ __debug_*
 agent/lhm/obj
 agent/lhm/bin
 dockerfile_agent_dev
+.cr-release-packages
+.tmp

.goreleaser.yml

@@ -22,6 +22,9 @@ builds:
       - amd64
       - arm64
       - arm
+    goarm:
+      - "6"
+      - "7"
     ignore:
       - goos: windows
         goarch: arm64
@@ -31,6 +34,8 @@ builds:
         goarch: arm64
       - goos: freebsd
         goarch: arm
+      - goos: darwin
+        goarch: arm
 
   - id: beszel-agent
     binary: beszel-agent
@@ -52,6 +57,10 @@ builds:
       - mipsle
       - mips
       - ppc64le
+    goarm:
+      - "5"
+      - "6"
+      - "7"
     gomips:
       - hardfloat
       - softfloat
@@ -71,6 +80,8 @@ builds:
         gomips: hardfloat
       - goos: windows
         goarch: arm
+      - goos: darwin
+        goarch: arm
       - goos: darwin
         goarch: riscv64
       - goos: windows

.release-please-manifest.json

@@ -0,0 +1,4 @@
+{
+  "supplemental/helm/beszel-agent": "0.1.4",
+  "supplemental/helm/beszel-hub": "0.1.4"
+}

Makefile

@@ -52,7 +52,7 @@ lint:
 	golangci-lint run
 
 test:
-	go test -tags=testing ./...
+	go test -tags='testing no_ui' ./...
 
 tidy:
 	go mod tidy

agent/agent.go

@@ -48,7 +48,6 @@ type Agent struct {
 	keys                      []gossh.PublicKey                                     // SSH public keys
 	smartManager              *SmartManager                                         // Manages SMART data
 	systemdManager            *systemdManager                                       // Manages systemd services
-	probeManager              *ProbeManager                                         // Manages network probes
 }
 
 // NewAgent creates a new agent with the given data directory for persisting data.
@@ -122,9 +121,6 @@ func NewAgent(dataDir ...string) (agent *Agent, err error) {
 	// initialize handler registry
 	agent.handlerRegistry = NewHandlerRegistry()
 
-	// initialize probe manager
-	agent.probeManager = newProbeManager()
-
 	// initialize disk info
 	agent.initializeDiskInfo()
 
@@ -182,11 +178,6 @@ func (a *Agent) gatherStats(options common.DataRequestOptions) *system.CombinedD
 		}
 	}
 
-	if a.probeManager != nil {
-		data.Probes = a.probeManager.GetResults(cacheTimeMs)
-		slog.Debug("Probes", "data", data.Probes)
-	}
-
 	// skip updating systemd services if cache time is not the default 60sec interval
 	if a.systemdManager != nil && cacheTimeMs == defaultDataCacheTimeMs {
 		totalCount := uint16(a.systemdManager.getServiceStatsCount())

agent/battery/battery.go

@@ -1,6 +1,13 @@
-// Package battery provides functions to check if the system has a battery and return the charge state and percentage.
+// Package battery provides battery information for the host and connected devices.
 package battery
 
+import (
+	"errors"
+	"sort"
+	"strconv"
+	"strings"
+)
+
 const (
 	stateUnknown uint8 = iota
 	stateEmpty
@@ -9,3 +16,55 @@ const (
 	stateDischarging
 	stateIdle
 )
+
+// Battery is a readable battery reported by the operating system.
+type Battery struct {
+	Name                  string
+	Percent               uint8
+	State                 uint8
+	FullChargeCapacity    uint64
+	HasFullChargeCapacity bool
+	System                bool
+}
+
+var errNoBatteries = errors.New("no readable batteries")
+
+// normalizeBatteries supplies stable fallback names and disambiguates duplicates.
+func normalizeBatteries(batteries []Battery) []Battery {
+	nameCounts := make(map[string]int, len(batteries))
+	for i := range batteries {
+		name := strings.TrimSpace(batteries[i].Name)
+		if name == "" {
+			name = "Battery " + strconv.Itoa(i+1)
+		}
+		nameCounts[name]++
+		if nameCounts[name] > 1 {
+			name += " (" + strconv.Itoa(nameCounts[name]) + ")"
+		}
+		batteries[i].Name = name
+	}
+	return batteries
+}
+
+// Primary returns the representative battery. Reported full-charge capacity wins,
+// then system-scoped devices, then name for deterministic ties.
+func Primary(batteries []Battery) (Battery, bool) {
+	if len(batteries) == 0 {
+		return Battery{}, false
+	}
+	ordered := append([]Battery(nil), batteries...)
+	sort.SliceStable(ordered, func(i, j int) bool {
+		a, b := ordered[i], ordered[j]
+		if a.HasFullChargeCapacity != b.HasFullChargeCapacity {
+			return a.HasFullChargeCapacity
+		}
+		if a.HasFullChargeCapacity && a.FullChargeCapacity != b.FullChargeCapacity {
+			return a.FullChargeCapacity > b.FullChargeCapacity
+		}
+		if a.System != b.System {
+			return a.System
+		}
+		return a.Name < b.Name
+	})
+	return ordered[0], true
+}

agent/battery/battery_darwin.go

@@ -3,11 +3,7 @@
 package battery
 
 import (
-	"errors"
-	"log/slog"
-	"math"
 	"os/exec"
-	"sync"
 
 	"howett.net/plist"
 )
@@ -35,62 +31,46 @@ func readMacBatteries() ([]macBattery, error) {
 	return batteries, nil
 }
 
-// HasReadableBattery checks if the system has a battery and returns true if it does.
-var HasReadableBattery = sync.OnceValue(func() bool {
-	systemHasBattery := false
-	batteries, err := readMacBatteries()
-	slog.Debug("Batteries", "batteries", batteries, "err", err)
-	for _, bat := range batteries {
-		if bat.MaxCapacity > 0 {
-			systemHasBattery = true
-			break
-		}
-	}
-	return systemHasBattery
-})
+func HasReadableBattery() bool {
+	batteries, _ := GetBatteryStats()
+	return len(batteries) > 0
+}
 
-// GetBatteryStats returns the current battery percent and charge state.
-// Uses CurrentCapacity/MaxCapacity to match the value macOS displays.
-func GetBatteryStats() (batteryPercent uint8, batteryState uint8, err error) {
-	if !HasReadableBattery() {
-		return batteryPercent, batteryState, errors.ErrUnsupported
-	}
+// GetBatteryStats returns every readable battery reported by macOS.
+func GetBatteryStats() ([]Battery, error) {
 	batteries, err := readMacBatteries()
+	if err != nil {
+		return nil, err
+	}
 	if len(batteries) == 0 {
-		return batteryPercent, batteryState, errors.New("no batteries")
+		return nil, errNoBatteries
 	}
-
-	totalCapacity := 0
-	totalCharge := 0
-	batteryState = math.MaxUint8
-
+	result := make([]Battery, 0, len(batteries))
 	for _, bat := range batteries {
-		if bat.MaxCapacity == 0 {
+		if bat.MaxCapacity <= 0 {
 			// skip ghost batteries with 0 capacity
 			// https://github.com/distatus/battery/issues/34
 			continue
 		}
-		totalCapacity += bat.MaxCapacity
-		totalCharge += min(bat.CurrentCapacity, bat.MaxCapacity)
-
+		percent := min(max(float64(bat.CurrentCapacity)/float64(bat.MaxCapacity)*100, 0), 100)
+		state := stateUnknown
 		switch {
 		case !bat.ExternalConnected:
-			batteryState = stateDischarging
+			state = stateDischarging
 		case bat.IsCharging:
-			batteryState = stateCharging
+			state = stateCharging
 		case bat.CurrentCapacity == 0:
-			batteryState = stateEmpty
+			state = stateEmpty
 		case !bat.FullyCharged:
-			batteryState = stateIdle
+			state = stateIdle
 		default:
-			batteryState = stateFull
+			state = stateFull
 		}
+		result = append(result, Battery{Name: "Primary", Percent: uint8(percent), State: state,
+			FullChargeCapacity: uint64(bat.MaxCapacity), HasFullChargeCapacity: true, System: true})
 	}
-
-	if totalCapacity == 0 || batteryState == math.MaxUint8 {
-		return batteryPercent, batteryState, errors.New("no battery capacity")
+	if len(result) == 0 {
+		return nil, errNoBatteries
 	}
-
-	batteryPercent = uint8(float64(totalCharge) / float64(totalCapacity) * 100)
-	return batteryPercent, batteryState, nil
+	return normalizeBatteries(result), nil
 }

agent/battery/battery_linux.go

@@ -3,58 +3,19 @@
 package battery
 
 import (
-	"errors"
-	"log/slog"
-	"math"
 	"os"
 	"path/filepath"
 	"strconv"
-	"sync"
 
 	"github.com/henrygd/beszel/agent/utils"
 )
 
-// getBatteryPaths returns the paths of all batteries in /sys/class/power_supply
-var getBatteryPaths func() ([]string, error)
+var batteryRoot = "/sys/class/power_supply"
 
-// HasReadableBattery checks if the system has a battery and returns true if it does.
-var HasReadableBattery func() bool
-
-func init() {
-	resetBatteryState("/sys/class/power_supply")
-}
-
-// resetBatteryState resets the sync.Once functions to a fresh state.
-// Tests call this after swapping sysfsPowerSupply so the new path is picked up.
-func resetBatteryState(sysfsPowerSupplyPath string) {
-	getBatteryPaths = sync.OnceValues(func() ([]string, error) {
-		entries, err := os.ReadDir(sysfsPowerSupplyPath)
-		if err != nil {
-			return nil, err
-		}
-		var paths []string
-		for _, e := range entries {
-			path := filepath.Join(sysfsPowerSupplyPath, e.Name())
-			if utils.ReadStringFile(filepath.Join(path, "type")) == "Battery" {
-				paths = append(paths, path)
-			}
-		}
-		return paths, nil
-	})
-	HasReadableBattery = sync.OnceValue(func() bool {
-		systemHasBattery := false
-		paths, err := getBatteryPaths()
-		for _, path := range paths {
-			if _, ok := utils.ReadStringFileOK(filepath.Join(path, "capacity")); ok {
-				systemHasBattery = true
-				break
-			}
-		}
-		if !systemHasBattery {
-			slog.Debug("No battery found", "err", err)
-		}
-		return systemHasBattery
-	})
+// HasReadableBattery reports whether collection currently finds a readable battery.
+func HasReadableBattery() bool {
+	batteries, _ := GetBatteryStats()
+	return len(batteries) > 0
 }
 
 func parseSysfsState(status string) uint8 {
@@ -74,26 +35,18 @@ func parseSysfsState(status string) uint8 {
 	}
 }
 
-// GetBatteryStats returns the current battery percent and charge state.
-// Reads /sys/class/power_supply/*/capacity directly so the kernel-reported
-// value is used, which is always 0-100 and matches what the OS displays.
-func GetBatteryStats() (batteryPercent uint8, batteryState uint8, err error) {
-	if !HasReadableBattery() {
-		return batteryPercent, batteryState, errors.ErrUnsupported
-	}
-	paths, err := getBatteryPaths()
+// GetBatteryStats re-enumerates power supplies and returns every readable battery.
+func GetBatteryStats() ([]Battery, error) {
+	entries, err := os.ReadDir(batteryRoot)
 	if err != nil {
-		return batteryPercent, batteryState, err
+		return nil, err
 	}
-	if len(paths) == 0 {
-		return batteryPercent, batteryState, errors.New("no batteries")
-	}
-
-	batteryState = math.MaxUint8
-	totalPercent := 0
-	count := 0
-
-	for _, path := range paths {
+	batteries := make([]Battery, 0, len(entries))
+	for _, entry := range entries {
+		path := filepath.Join(batteryRoot, entry.Name())
+		if utils.ReadStringFile(filepath.Join(path, "type")) != "Battery" {
+			continue
+		}
 		capStr, ok := utils.ReadStringFileOK(filepath.Join(path, "capacity"))
 		if !ok {
 			continue
@@ -102,19 +55,31 @@ func GetBatteryStats() (batteryPercent uint8, batteryState uint8, err error) {
 		if parseErr != nil {
 			continue
 		}
-		totalPercent += cap
-		count++
-
-		state := parseSysfsState(utils.ReadStringFile(filepath.Join(path, "status")))
-		if state != stateUnknown {
-			batteryState = state
+		cap = min(max(cap, 0), 100)
+		name := utils.ReadStringFile(filepath.Join(path, "model_name"))
+		if name == "" {
+			name = utils.ReadStringFile(filepath.Join(path, "model"))
 		}
+		if name == "" {
+			name = entry.Name()
+		}
+		battery := Battery{
+			Name:    name,
+			Percent: uint8(cap),
+			State:   parseSysfsState(utils.ReadStringFile(filepath.Join(path, "status"))),
+			System:  utils.ReadStringFile(filepath.Join(path, "scope")) != "Device",
+		}
+		for _, fullName := range []string{"charge_full", "energy_full"} {
+			if parsed, ok := utils.ReadUintFile(filepath.Join(path, fullName)); ok && parsed > 0 {
+				battery.FullChargeCapacity = parsed
+				battery.HasFullChargeCapacity = true
+				break
+			}
+		}
+		batteries = append(batteries, battery)
 	}
-
-	if count == 0 || batteryState == math.MaxUint8 {
-		return batteryPercent, batteryState, errors.New("no battery capacity")
+	if len(batteries) == 0 {
+		return nil, errNoBatteries
 	}
-
-	batteryPercent = uint8(totalPercent / count)
-	return batteryPercent, batteryState, nil
+	return normalizeBatteries(batteries), nil
 }

agent/battery/battery_linux_test.go

@@ -8,194 +8,102 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
-// setupFakeSysfs creates a temporary sysfs-like tree under t.TempDir(),
-// swaps sysfsPowerSupply, resets the sync.Once caches, and restores
-// everything on cleanup. Returns a helper to create battery directories.
-func setupFakeSysfs(t *testing.T) (tmpDir string, addBattery func(name, capacity, status string)) {
+type fakeBattery struct{ id, name, capacity, status, full, scope string }
+
+func setupFakeSysfs(t *testing.T) (string, func(fakeBattery)) {
 	t.Helper()
-
-	tmp := t.TempDir()
-	resetBatteryState(tmp)
-
-	write := func(path, content string) {
+	root := t.TempDir()
+	previousRoot := batteryRoot
+	batteryRoot = root
+	t.Cleanup(func() { batteryRoot = previousRoot })
+	write := func(path, value string) {
 		t.Helper()
-		dir := filepath.Dir(path)
-		if err := os.MkdirAll(dir, 0o755); err != nil {
-			t.Fatal(err)
+		require.NoError(t, os.MkdirAll(filepath.Dir(path), 0o755))
+		require.NoError(t, os.WriteFile(path, []byte(value), 0o644))
+	}
+	add := func(b fakeBattery) {
+		t.Helper()
+		dir := filepath.Join(root, b.id)
+		write(filepath.Join(dir, "type"), "Battery")
+		if b.capacity != "" {
+			write(filepath.Join(dir, "capacity"), b.capacity)
 		}
-		if err := os.WriteFile(path, []byte(content), 0o644); err != nil {
-			t.Fatal(err)
+		write(filepath.Join(dir, "status"), b.status)
+		if b.name != "" {
+			write(filepath.Join(dir, "model_name"), b.name)
+		}
+		if b.full != "" {
+			write(filepath.Join(dir, "energy_full"), b.full)
+		}
+		if b.scope != "" {
+			write(filepath.Join(dir, "scope"), b.scope)
 		}
 	}
-
-	addBattery = func(name, capacity, status string) {
-		t.Helper()
-		batDir := filepath.Join(tmp, name)
-		write(filepath.Join(batDir, "type"), "Battery")
-		write(filepath.Join(batDir, "capacity"), capacity)
-		write(filepath.Join(batDir, "status"), status)
-	}
-
-	return tmp, addBattery
+	return root, add
 }
 
 func TestParseSysfsState(t *testing.T) {
-	tests := []struct {
-		input string
-		want  uint8
-	}{
-		{"Empty", stateEmpty},
-		{"Full", stateFull},
-		{"Charging", stateCharging},
-		{"Discharging", stateDischarging},
-		{"Not charging", stateIdle},
-		{"", stateUnknown},
-		{"SomethingElse", stateUnknown},
-	}
-	for _, tt := range tests {
-		assert.Equal(t, tt.want, parseSysfsState(tt.input), "parseSysfsState(%q)", tt.input)
-	}
+	assert.Equal(t, stateEmpty, parseSysfsState("Empty"))
+	assert.Equal(t, stateFull, parseSysfsState("Full"))
+	assert.Equal(t, stateCharging, parseSysfsState("Charging"))
+	assert.Equal(t, stateDischarging, parseSysfsState("Discharging"))
+	assert.Equal(t, stateIdle, parseSysfsState("Not charging"))
+	assert.Equal(t, stateUnknown, parseSysfsState("SomethingElse"))
 }
 
-func TestGetBatteryStats_SingleBattery(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "72", "Discharging")
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	assert.Equal(t, uint8(72), pct)
-	assert.Equal(t, stateDischarging, state)
+func TestGetBatteryStatsMultipleNamedAndPrimary(t *testing.T) {
+	_, add := setupFakeSysfs(t)
+	add(fakeBattery{id: "BAT0", name: "Primary", capacity: "105", status: "Charging", full: "5000", scope: "System"})
+	add(fakeBattery{id: "hidpp_battery_0", name: "MX Keys S", capacity: "55", status: "Unknown", full: "900", scope: "Device"})
+	batteries, err := GetBatteryStats()
+	require.NoError(t, err)
+	require.Len(t, batteries, 2)
+	assert.Equal(t, "Primary", batteries[0].Name)
+	assert.Equal(t, uint8(100), batteries[0].Percent)
+	assert.Equal(t, stateUnknown, batteries[1].State)
+	primary, ok := Primary(batteries)
+	require.True(t, ok)
+	assert.Equal(t, "Primary", primary.Name)
 }
 
-func TestGetBatteryStats_MultipleBatteries(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "80", "Charging")
-	addBattery("BAT1", "40", "Charging")
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	// average of 80 and 40 = 60
-	assert.EqualValues(t, 60, pct)
-	assert.Equal(t, stateCharging, state)
+func TestGetBatteryStatsFallbackDuplicatesAndUnreadable(t *testing.T) {
+	root, add := setupFakeSysfs(t)
+	add(fakeBattery{id: "BAT0", name: "Keyboard", capacity: "80", status: "Discharging"})
+	add(fakeBattery{id: "BAT1", name: "Keyboard", capacity: "-4", status: "SomethingWeird"})
+	add(fakeBattery{id: "BAT2", capacity: "not-a-number", status: "Charging"})
+	add(fakeBattery{id: "BAT3", capacity: "42", status: "Full"})
+	ac := filepath.Join(root, "AC0")
+	require.NoError(t, os.MkdirAll(ac, 0o755))
+	require.NoError(t, os.WriteFile(filepath.Join(ac, "type"), []byte("Mains"), 0o644))
+	batteries, err := GetBatteryStats()
+	require.NoError(t, err)
+	require.Len(t, batteries, 3)
+	assert.Equal(t, "Keyboard", batteries[0].Name)
+	assert.Equal(t, "Keyboard (2)", batteries[1].Name)
+	assert.Equal(t, uint8(0), batteries[1].Percent)
+	assert.Equal(t, "BAT3", batteries[2].Name)
 }
 
-func TestGetBatteryStats_FullBattery(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "100", "Full")
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	assert.Equal(t, uint8(100), pct)
-	assert.Equal(t, stateFull, state)
-}
-
-func TestGetBatteryStats_EmptyBattery(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "0", "Empty")
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	assert.Equal(t, uint8(0), pct)
-	assert.Equal(t, stateEmpty, state)
-}
-
-func TestGetBatteryStats_NotCharging(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "80", "Not charging")
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	assert.Equal(t, uint8(80), pct)
-	assert.Equal(t, stateIdle, state)
-}
-
-func TestGetBatteryStats_NoBatteries(t *testing.T) {
-	setupFakeSysfs(t) // empty directory, no batteries
-
-	_, _, err := GetBatteryStats()
+func TestGetBatteryStatsHotPlugReenumerates(t *testing.T) {
+	_, add := setupFakeSysfs(t)
+	_, err := GetBatteryStats()
 	assert.Error(t, err)
-}
-
-func TestGetBatteryStats_NonBatterySupplyIgnored(t *testing.T) {
-	tmp, addBattery := setupFakeSysfs(t)
-
-	// Add a real battery
-	addBattery("BAT0", "55", "Charging")
-
-	// Add an AC adapter (type != Battery) - should be ignored
-	acDir := filepath.Join(tmp, "AC0")
-	if err := os.MkdirAll(acDir, 0o755); err != nil {
-		t.Fatal(err)
-	}
-	if err := os.WriteFile(filepath.Join(acDir, "type"), []byte("Mains"), 0o644); err != nil {
-		t.Fatal(err)
-	}
-
-	pct, state, err := GetBatteryStats()
-	assert.NoError(t, err)
-	assert.Equal(t, uint8(55), pct)
-	assert.Equal(t, stateCharging, state)
-}
-
-func TestGetBatteryStats_InvalidCapacitySkipped(t *testing.T) {
-	tmp, addBattery := setupFakeSysfs(t)
-
-	// One battery with valid capacity
-	addBattery("BAT0", "90", "Discharging")
-
-	// Another with invalid capacity text
-	badDir := filepath.Join(tmp, "BAT1")
-	if err := os.MkdirAll(badDir, 0o755); err != nil {
-		t.Fatal(err)
-	}
-	if err := os.WriteFile(filepath.Join(badDir, "type"), []byte("Battery"), 0o644); err != nil {
-		t.Fatal(err)
-	}
-	if err := os.WriteFile(filepath.Join(badDir, "capacity"), []byte("not-a-number"), 0o644); err != nil {
-		t.Fatal(err)
-	}
-	if err := os.WriteFile(filepath.Join(badDir, "status"), []byte("Discharging"), 0o644); err != nil {
-		t.Fatal(err)
-	}
-
-	pct, _, err := GetBatteryStats()
-	assert.NoError(t, err)
-	// Only BAT0 counted
-	assert.Equal(t, uint8(90), pct)
-}
-
-func TestGetBatteryStats_UnknownStatusOnly(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "50", "SomethingWeird")
-
-	_, _, err := GetBatteryStats()
-	assert.Error(t, err)
-}
-
-func TestHasReadableBattery_True(t *testing.T) {
-	_, addBattery := setupFakeSysfs(t)
-	addBattery("BAT0", "50", "Charging")
-
+	assert.False(t, HasReadableBattery())
+	add(fakeBattery{id: "BAT0", capacity: "64", status: "Discharging"})
+	batteries, err := GetBatteryStats()
+	require.NoError(t, err)
 	assert.True(t, HasReadableBattery())
+	require.Len(t, batteries, 1)
+	assert.Equal(t, uint8(64), batteries[0].Percent)
 }
 
-func TestHasReadableBattery_False(t *testing.T) {
-	setupFakeSysfs(t) // no batteries
-
-	assert.False(t, HasReadableBattery())
-}
-
-func TestHasReadableBattery_NoCapacityFile(t *testing.T) {
-	tmp, _ := setupFakeSysfs(t)
-
-	// Battery dir with type file but no capacity file
-	batDir := filepath.Join(tmp, "BAT0")
-	err := os.MkdirAll(batDir, 0o755)
-	assert.NoError(t, err)
-	err = os.WriteFile(filepath.Join(batDir, "type"), []byte("Battery"), 0o644)
-	assert.NoError(t, err)
-
+func TestGetBatteryStatsNoReadableCapacity(t *testing.T) {
+	_, add := setupFakeSysfs(t)
+	add(fakeBattery{id: "BAT0", status: "Charging"})
+	_, err := GetBatteryStats()
+	assert.Error(t, err)
 	assert.False(t, HasReadableBattery())
 }

agent/battery/battery_stub.go

@@ -8,6 +8,6 @@ func HasReadableBattery() bool {
 	return false
 }
 
-func GetBatteryStats() (uint8, uint8, error) {
-	return 0, 0, errors.ErrUnsupported
+func GetBatteryStats() ([]Battery, error) {
+	return nil, errors.ErrUnsupported
 }

agent/battery/battery_test.go

@@ -0,0 +1,35 @@
+package battery
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPrimarySelection(t *testing.T) {
+	tests := []struct {
+		name string
+		bats []Battery
+		want string
+	}{
+		{"largest reported capacity", []Battery{{Name: "Small", FullChargeCapacity: 20, HasFullChargeCapacity: true, System: true}, {Name: "Large", FullChargeCapacity: 80, HasFullChargeCapacity: true}}, "Large"},
+		{"reported ranks over missing", []Battery{{Name: "Unknown", System: true}, {Name: "Known", FullChargeCapacity: 1, HasFullChargeCapacity: true}}, "Known"},
+		{"system wins capacity tie", []Battery{{Name: "Peripheral", FullChargeCapacity: 50, HasFullChargeCapacity: true}, {Name: "System", FullChargeCapacity: 50, HasFullChargeCapacity: true, System: true}}, "System"},
+		{"name resolves final tie", []Battery{{Name: "Zed"}, {Name: "Alpha"}}, "Alpha"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, ok := Primary(tt.bats)
+			require.True(t, ok)
+			assert.Equal(t, tt.want, got.Name)
+		})
+	}
+	_, ok := Primary(nil)
+	assert.False(t, ok)
+}
+
+func TestNormalizeBatteriesFallbackNames(t *testing.T) {
+	bats := normalizeBatteries([]Battery{{}, {}, {Name: "Mouse"}, {Name: "Mouse"}})
+	assert.Equal(t, []string{"Battery 1", "Battery 2", "Mouse", "Mouse (2)"}, []string{bats[0].Name, bats[1].Name, bats[2].Name, bats[3].Name})
+}

agent/battery/battery_windows.go

@@ -7,9 +7,6 @@ package battery
 
 import (
 	"errors"
-	"log/slog"
-	"math"
-	"sync"
 	"syscall"
 	"unsafe"
 
@@ -79,7 +76,7 @@ var (
 	setupDiDestroyDeviceInfoList     = setupapi.NewProc("SetupDiDestroyDeviceInfoList")
 )
 
-// winBatteryGet reads one battery by index. Returns (fullCapacity, currentCapacity, state, error).
+// winBatteryGet reads one battery by index.
 // Returns error == errNotFound when there are no more batteries.
 var errNotFound = errors.New("no more batteries")
 
@@ -122,7 +119,7 @@ func readWinBatteryState(powerState uint32) uint8 {
 	}
 }
 
-func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
+func winBatteryGet(idx int) (Battery, error) {
 	hdev, err := setupDiSetup(
 		setupDiGetClassDevsW,
 		4,
@@ -132,7 +129,7 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		0, 0,
 	)
 	if err != nil {
-		return 0, 0, stateUnknown, err
+		return Battery{}, err
 	}
 	defer syscall.SyscallN(setupDiDestroyDeviceInfoList.Addr(), hdev)
 
@@ -148,10 +145,10 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		0,
 	)
 	if errno == 259 { // ERROR_NO_MORE_ITEMS
-		return 0, 0, stateUnknown, errNotFound
+		return Battery{}, errNotFound
 	}
 	if errno != 0 {
-		return 0, 0, stateUnknown, errno
+		return Battery{}, errno
 	}
 
 	var cbRequired uint32
@@ -165,7 +162,7 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		0,
 	)
 	if errno != 0 && errno != 122 { // ERROR_INSUFFICIENT_BUFFER
-		return 0, 0, stateUnknown, errno
+		return Battery{}, errno
 	}
 	didd := make([]uint16, cbRequired/2)
 	cbSize := (*uint32)(unsafe.Pointer(&didd[0]))
@@ -185,7 +182,7 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		0,
 	)
 	if errno != 0 {
-		return 0, 0, stateUnknown, errno
+		return Battery{}, errno
 	}
 	devicePath := &didd[2:][0]
 
@@ -199,7 +196,7 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		0,
 	)
 	if err != nil {
-		return 0, 0, stateUnknown, err
+		return Battery{}, err
 	}
 	defer windows.CloseHandle(handle)
 
@@ -216,7 +213,7 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		&dwOut, nil,
 	)
 	if err != nil || bqi.BatteryTag == 0 {
-		return 0, 0, stateUnknown, errors.New("battery tag not returned")
+		return Battery{}, errors.New("battery tag not returned")
 	}
 
 	var bi batteryInformation
@@ -229,7 +226,21 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		uint32(unsafe.Sizeof(bi)),
 		&dwOut, nil,
 	); err != nil {
-		return 0, 0, stateUnknown, err
+		return Battery{}, err
+	}
+
+	// BatteryDeviceName is optional, so retain the deterministic fallback on error.
+	name := ""
+	nameQuery := bqi
+	nameQuery.InformationLevel = 4 // BatteryDeviceName
+	nameBuffer := make([]uint16, 128)
+	if err := windows.DeviceIoControl(
+		handle, 2703428,
+		(*byte)(unsafe.Pointer(&nameQuery)), uint32(unsafe.Sizeof(nameQuery)),
+		(*byte)(unsafe.Pointer(&nameBuffer[0])), uint32(len(nameBuffer)*2),
+		&dwOut, nil,
+	); err == nil {
+		name = windows.UTF16ToString(nameBuffer)
 	}
 
 	bws := batteryWaitStatus{BatteryTag: bqi.BatteryTag}
@@ -243,56 +254,38 @@ func winBatteryGet(idx int) (full, current uint32, state uint8, err error) {
 		uint32(unsafe.Sizeof(bs)),
 		&dwOut, nil,
 	); err != nil {
-		return 0, 0, stateUnknown, err
+		return Battery{}, err
 	}
 
-	if bs.Capacity == 0xffffffff { // BATTERY_UNKNOWN_CAPACITY
-		return 0, 0, stateUnknown, errors.New("battery capacity unknown")
+	if bs.Capacity == 0xffffffff || bi.FullChargedCapacity == 0 || bi.FullChargedCapacity == 0xffffffff {
+		return Battery{}, errors.New("battery capacity unknown")
 	}
-
-	return bi.FullChargedCapacity, bs.Capacity, readWinBatteryState(bs.PowerState), nil
+	percent := min(float64(bs.Capacity)/float64(bi.FullChargedCapacity)*100, 100)
+	return Battery{Name: name, Percent: uint8(percent), State: readWinBatteryState(bs.PowerState),
+		FullChargeCapacity: uint64(bi.FullChargedCapacity), HasFullChargeCapacity: true, System: true}, nil
 }
 
 // HasReadableBattery checks if the system has a battery and returns true if it does.
-var HasReadableBattery = sync.OnceValue(func() bool {
-	systemHasBattery := false
-	full, _, _, err := winBatteryGet(0)
-	if err == nil && full > 0 {
-		systemHasBattery = true
-	}
-	if !systemHasBattery {
-		slog.Debug("No battery found", "err", err)
-	}
-	return systemHasBattery
-})
-
-// GetBatteryStats returns the current battery percent and charge state.
-func GetBatteryStats() (batteryPercent uint8, batteryState uint8, err error) {
-	if !HasReadableBattery() {
-		return batteryPercent, batteryState, errors.ErrUnsupported
-	}
-
-	totalFull := uint32(0)
-	totalCurrent := uint32(0)
-	batteryState = math.MaxUint8
+func HasReadableBattery() bool {
+	batteries, _ := GetBatteryStats()
+	return len(batteries) > 0
+}
 
+// GetBatteryStats returns every readable battery reported by Windows.
+func GetBatteryStats() ([]Battery, error) {
+	batteries := make([]Battery, 0, 2)
 	for i := 0; ; i++ {
-		full, current, state, bErr := winBatteryGet(i)
+		battery, bErr := winBatteryGet(i)
 		if errors.Is(bErr, errNotFound) {
 			break
 		}
-		if bErr != nil || full == 0 {
+		if bErr != nil {
 			continue
 		}
-		totalFull += full
-		totalCurrent += min(current, full)
-		batteryState = state
+		batteries = append(batteries, battery)
 	}
-
-	if totalFull == 0 || batteryState == math.MaxUint8 {
-		return batteryPercent, batteryState, errors.New("no battery capacity")
+	if len(batteries) == 0 {
+		return nil, errNoBatteries
 	}
-
-	batteryPercent = uint8(float64(totalCurrent) / float64(totalFull) * 100)
-	return batteryPercent, batteryState, nil
+	return normalizeBatteries(batteries), nil
 }

agent/client.go

@@ -53,8 +53,8 @@ func newWebSocketClient(agent *Agent) (client *WebSocketClient, err error) {
 	client = &WebSocketClient{}
 
 	client.hubURL, err = url.Parse(hubURLStr)
-	if err != nil {
-		return nil, errors.New("invalid hub URL")
+	if err != nil || client.hubURL.Host == "" {
+		return nil, fmt.Errorf("invalid HUB_URL %q: must include scheme and host (e.g. http://hub.example.com:8090)", hubURLStr)
 	}
 	// get registration token
 	client.token, err = getToken()

agent/client_test.go

@@ -51,11 +51,18 @@ func TestNewWebSocketClient(t *testing.T) {
 			errorMsg:    "HUB_URL environment variable not set",
 		},
 		{
-			name:        "invalid URL",
+			name:        "malformed URL",
 			hubURL:      "ht\ttp://invalid",
 			token:       "test-token",
 			expectError: true,
-			errorMsg:    "invalid hub URL",
+			errorMsg:    "invalid HUB_URL",
+		},
+		{
+			name:        "URL without host",
+			hubURL:      "http:/api",
+			token:       "test-token",
+			expectError: true,
+			errorMsg:    "invalid HUB_URL",
 		},
 		{
 			name:        "missing token",

agent/connection_manager.go

@@ -141,7 +141,6 @@ func (c *ConnectionManager) Start(serverOptions ServerOptions) error {
 //	}
 func (c *ConnectionManager) stop() error {
 	_ = c.agent.StopServer()
-	c.agent.probeManager.Stop()
 	c.closeWebSocket()
 	return health.CleanUp()
 }

agent/docker.go

@@ -65,7 +65,6 @@ type dockerManager struct {
 	dockerVersionChecked bool                        // Whether a version probe has completed successfully
 	isWindows            bool                        // Whether the Docker Engine API is running on Windows
 	buf                  *bytes.Buffer               // Buffer to store and read response bodies
-	decoder              *json.Decoder               // Reusable JSON decoder that reads from buf
 	apiStats             *container.ApiStats         // Reusable API stats object
 	excludeContainers    []string                    // Patterns to exclude containers by name
 	usingPodman          bool                        // Whether the Docker Engine API is running on Podman
@@ -374,16 +373,26 @@ func convertContainerPortsToString(ctr *container.ApiInfo) string {
 		return ""
 	}
 	sort.Slice(ctr.Ports, func(i, j int) bool {
-		return ctr.Ports[i].PublicPort < ctr.Ports[j].PublicPort
+		if ctr.Ports[i].PublicPort != ctr.Ports[j].PublicPort {
+			return ctr.Ports[i].PublicPort < ctr.Ports[j].PublicPort
+		}
+		return ctr.Ports[i].IP < ctr.Ports[j].IP
 	})
 	var builder strings.Builder
-	seenPorts := make(map[uint16]struct{})
+	seen := make(map[string]struct{})
 	for _, p := range ctr.Ports {
-		_, ok := seenPorts[p.PublicPort]
-		if p.PublicPort == 0 || ok {
+		if p.PublicPort == 0 {
 			continue
 		}
-		seenPorts[p.PublicPort] = struct{}{}
+		keyIP := p.IP
+		if keyIP == "0.0.0.0" || keyIP == "::" {
+			keyIP = ""
+		}
+		key := keyIP + ":" + strconv.Itoa(int(p.PublicPort))
+		if _, ok := seen[key]; ok {
+			continue
+		}
+		seen[key] = struct{}{}
 		if builder.Len() > 0 {
 			builder.WriteString(", ")
 		}
@@ -747,20 +756,18 @@ func (dm *dockerManager) applyDockerVersionInfo(serverHeader string, versionInfo
 	}
 }
 
-// Decodes Docker API JSON response using a reusable buffer and decoder. Not thread safe.
+// Decodes a Docker API JSON response using a reusable buffer. Not thread safe.
 func (dm *dockerManager) decode(resp *http.Response, d any) error {
 	if dm.buf == nil {
 		// initialize buffer with 256kb starting size
 		dm.buf = bytes.NewBuffer(make([]byte, 0, 1024*256))
-		dm.decoder = json.NewDecoder(dm.buf)
 	}
 	defer resp.Body.Close()
 	defer dm.buf.Reset()
-	_, err := dm.buf.ReadFrom(resp.Body)
-	if err != nil {
+	if _, err := dm.buf.ReadFrom(resp.Body); err != nil {
 		return err
 	}
-	return dm.decoder.Decode(d)
+	return json.Unmarshal(dm.buf.Bytes(), d)
 }
 
 // Test docker / podman sockets and return if one exists

agent/docker_test.go

@@ -804,6 +804,24 @@ func TestGetDockerStatsRetriesVersionCheckUntilSuccess(t *testing.T) {
 	assert.Equal(t, 2, requestCounts["/version"])
 }
 
+// A failed decode must not break later decodes. Previously the reused json.Decoder
+// stayed desynced after one truncated response, breaking decode until restart.
+func TestDecodeRecoversFromError(t *testing.T) {
+	dm := &dockerManager{}
+
+	// truncated JSON: body reads fine, decode fails
+	var bad []container.ApiInfo
+	err := dm.decode(&http.Response{Body: io.NopCloser(strings.NewReader(`[{"Id":"abc`))}, &bad)
+	require.Error(t, err)
+
+	// the next decode must still succeed
+	var good []container.ApiInfo
+	err = dm.decode(&http.Response{Body: io.NopCloser(strings.NewReader(`[{"Id":"abcdef012345","Names":["/ok"]}]`))}, &good)
+	require.NoError(t, err)
+	require.Len(t, good, 1)
+	assert.Equal(t, "abcdef012345", good[0].Id)
+}
+
 func TestCycleCpuDeltas(t *testing.T) {
 	dm := &dockerManager{
 		lastCpuContainer: map[uint16]map[string]uint64{
@@ -1003,6 +1021,44 @@ func TestCpuPercentageCalculationWithRealData(t *testing.T) {
 	assert.InDelta(t, expectedPct, actualPct, 0.01)
 }
 
+func TestCpuPercentageHandlesCounterRollback(t *testing.T) {
+	// If a stats response is processed after a newer one for the same container,
+	// or an accounting counter resets, the current total can be lower than the
+	// stored previous value. Unsigned subtraction wraps to ~2^64 instead of
+	// going negative, so the percentage explodes, validateCpuPercentage rejects
+	// the sample, and the whole collection is discarded - network stats too.
+	stats := &container.ApiStats{
+		CPUStats: container.CPUStats{
+			CPUUsage:    container.CPUUsage{TotalUsage: 1_000_000},
+			SystemUsage: 20_000_000,
+		},
+	}
+
+	// Container counter went backwards.
+	assert.Equal(t, 0.0, stats.CalculateCpuPercentLinux(2_000_000, 10_000_000))
+	// System counter went backwards.
+	assert.Equal(t, 0.0, stats.CalculateCpuPercentLinux(500_000, 30_000_000))
+	// A normal forward sample is unaffected: 500000 / 10000000 * 100 = 5%.
+	assert.InDelta(t, 5.0, stats.CalculateCpuPercentLinux(500_000, 10_000_000), 0.001)
+}
+
+func TestCpuPercentageWindowsHandlesCounterRollback(t *testing.T) {
+	now := time.Now()
+	stats := &container.ApiStats{
+		Read:     now,
+		NumProcs: 4,
+		CPUStats: container.CPUStats{
+			CPUUsage: container.CPUUsage{TotalUsage: 1_000_000},
+		},
+	}
+	prevRead := now.Add(-time.Second)
+
+	// Container counter went backwards.
+	assert.Equal(t, 0.0, stats.CalculateCpuPercentWindows(2_000_000, prevRead))
+	// A normal forward sample is unaffected.
+	assert.Greater(t, stats.CalculateCpuPercentWindows(500_000, prevRead), 0.0)
+}
+
 func TestNetworkStatsCalculationWithRealData(t *testing.T) {
 	// Create synthetic test data to avoid timing issues
 	apiStats1 := &container.ApiStats{
@@ -1864,6 +1920,14 @@ func TestConvertContainerPortsToString(t *testing.T) {
 			},
 			expected: "80, 443",
 		},
+		{
+			name: "ipv4 and ipv6 wildcard bindings are deduplicated",
+			ports: []port{
+				{PublicPort: 80, IP: "0.0.0.0"},
+				{PublicPort: 80, IP: "::"},
+			},
+			expected: "80",
+		},
 		{
 			name: "multiple ports with different IPs",
 			ports: []port{
@@ -1872,6 +1936,22 @@ func TestConvertContainerPortsToString(t *testing.T) {
 			},
 			expected: "80, 1.2.3.4:443",
 		},
+		{
+			name: "same port bound to multiple IPs shows all entries",
+			ports: []port{
+				{PublicPort: 65533, IP: "172.16.151.72"},
+				{PublicPort: 65533, IP: "172.16.156.25"},
+			},
+			expected: "172.16.151.72:65533, 172.16.156.25:65533",
+		},
+		{
+			name: "same port bound to IPv4 and IPv6",
+			ports: []port{
+				{PublicPort: 65534, IP: "172.16.151.72"},
+				{PublicPort: 65534, IP: "fd04:38e2:98c6:3fd::72"},
+			},
+			expected: "172.16.151.72:65534, fd04:38e2:98c6:3fd::72:65534",
+		},
 		{
 			name: "ports slice is nilled after call",
 			ports: []port{

agent/fans.go

@@ -0,0 +1,101 @@
+package agent
+
+import (
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/henrygd/beszel/agent/utils"
+	"github.com/henrygd/beszel/internal/entities/system"
+)
+
+type fanSensor struct {
+	key, path string
+}
+
+var getFanSensors = newFanSensorCache(hwmonRoot)
+
+func newFanSensorCache(root string) func() ([]fanSensor, error) {
+	return sync.OnceValues(func() ([]fanSensor, error) {
+		return discoverHwmonFans(root)
+	})
+}
+
+// updateFans populates systemStats.Fans from the host's hwmon sysfs tree.
+// No-op on platforms where hwmon isn't available (see fans_other.go).
+func (a *Agent) updateFans(systemStats *system.Stats) {
+	if hwmonRoot == "" {
+		return
+	}
+	sensors, err := getFanSensors()
+	if err != nil {
+		slog.Debug("Error reading fans", "err", err)
+		return
+	}
+	fans := readFanSensors(sensors)
+	if len(fans) == 0 {
+		return
+	}
+	systemStats.Fans = fans
+	// Note: Commented out because we don't currently use this value in the UI.
+	// Compute the single "dashboard" value used by the FanSpeed alert.
+	// Per-sensor RPMs live in Stats.Fans and drive the multi-line FanChart
+	// in the UI; the alert path only needs one number to compare against
+	// the user's threshold, so we use the highest RPM across all fans
+	// a.systemInfo.DashboardFan = 0
+	// for _, rpm := range fans {
+	// 	if rpm > a.systemInfo.DashboardFan {
+	// 		a.systemInfo.DashboardFan = rpm
+	// 	}
+	// }
+}
+
+// readHwmonFans walks the given hwmon root (typically /sys/class/hwmon) and
+// returns a map of "<chip>_<label-or-fan-idx>" → RPM for every fan*_input
+// file it finds. Zero RPM is retained because it can represent a real fan that
+// has stopped; negative and malformed readings are ignored.
+func readHwmonFans(root string) (map[string]uint16, error) {
+	sensors, err := discoverHwmonFans(root)
+	if err != nil {
+		return nil, err
+	}
+	return readFanSensors(sensors), nil
+}
+
+func discoverHwmonFans(root string) ([]fanSensor, error) {
+	entries, err := os.ReadDir(root)
+	if err != nil {
+		return nil, err
+	}
+	var sensors []fanSensor
+	for _, entry := range entries {
+		chipDir := filepath.Join(root, entry.Name())
+		chipName := utils.ReadStringFile(filepath.Join(chipDir, "name"))
+		if chipName == "" {
+			chipName = entry.Name()
+		}
+		inputs, _ := filepath.Glob(filepath.Join(chipDir, "fan*_input"))
+		for _, inputPath := range inputs {
+			base := strings.TrimSuffix(filepath.Base(inputPath), "_input")
+			label := utils.ReadStringFile(filepath.Join(chipDir, base+"_label"))
+			key := chipName + "_" + base
+			if label != "" {
+				key = chipName + "_" + label
+			}
+			sensors = append(sensors, fanSensor{key, inputPath})
+		}
+	}
+	return sensors, nil
+}
+
+func readFanSensors(sensors []fanSensor) map[string]uint16 {
+	fans := make(map[string]uint16, len(sensors))
+	for _, sensor := range sensors {
+		if rpm, ok := utils.ReadUintFile(sensor.path); ok {
+			fans[sensor.key] = uint16(rpm)
+		}
+	}
+	return fans
+}

agent/fans_linux.go

@@ -0,0 +1,8 @@
+//go:build linux
+
+package agent
+
+// hwmonRoot is the sysfs entry point for hardware monitor chips. Each
+// subdirectory (hwmon0, hwmon1, …) is one chip; fan*_input files inside it
+// expose RPM readings.
+const hwmonRoot = "/sys/class/hwmon"

agent/fans_other.go

@@ -0,0 +1,7 @@
+//go:build !linux
+
+package agent
+
+// hwmonRoot is empty on non-Linux platforms — fan RPM reporting via sysfs
+// hwmon is Linux-specific. updateFans() short-circuits when this is empty.
+const hwmonRoot = ""

agent/fans_test.go

@@ -0,0 +1,87 @@
+//go:build testing
+
+package agent
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// writeFile creates path with parents and writes contents.
+func writeFile(t *testing.T, path, contents string) {
+	t.Helper()
+	require.NoError(t, os.MkdirAll(filepath.Dir(path), 0o755))
+	require.NoError(t, os.WriteFile(path, []byte(contents), 0o644))
+}
+
+// TestReadHwmonFans verifies the /sys/class/hwmon walker:
+//   - picks up fan*_input from every chip,
+//   - keys entries by chip name + sensor label (or fan idx if no label),
+//   - retains 0 RPM for stopped fans,
+//   - tolerates chips with no fan files at all.
+func TestReadHwmonFans(t *testing.T) {
+	root := t.TempDir()
+
+	// hwmon0: Raspberry Pi 5 active cooler — one fan, no label.
+	writeFile(t, filepath.Join(root, "hwmon0", "name"), "pwmfan\n")
+	writeFile(t, filepath.Join(root, "hwmon0", "fan1_input"), "6500\n")
+
+	// hwmon1: a thermal-only chip, no fan files. Must not error.
+	writeFile(t, filepath.Join(root, "hwmon1", "name"), "cpu_thermal\n")
+	writeFile(t, filepath.Join(root, "hwmon1", "temp1_input"), "55000\n")
+
+	// hwmon2: two fans — one stopped (0 RPM) and one labeled "chassis".
+	writeFile(t, filepath.Join(root, "hwmon2", "name"), "nct6798\n")
+	writeFile(t, filepath.Join(root, "hwmon2", "fan1_input"), "0\n")
+	writeFile(t, filepath.Join(root, "hwmon2", "fan2_input"), "1200\n")
+	writeFile(t, filepath.Join(root, "hwmon2", "fan2_label"), "chassis\n")
+
+	fans, err := readHwmonFans(root)
+	require.NoError(t, err)
+
+	assert.Equal(t, map[string]uint16{
+		"pwmfan_fan1":     6500,
+		"nct6798_fan1":    0,
+		"nct6798_chassis": 1200,
+	}, fans)
+}
+
+// TestReadHwmonFansMissingRoot returns an error rather than panicking when the
+// hwmon root doesn't exist (e.g. running on a kernel without hwmon support).
+func TestReadHwmonFansMissingRoot(t *testing.T) {
+	_, err := readHwmonFans(filepath.Join(t.TempDir(), "does-not-exist"))
+	assert.Error(t, err)
+}
+
+// TestReadHwmonFansEmpty returns an empty map (not nil error) when the root
+// exists but contains no chips at all.
+func TestReadHwmonFansEmpty(t *testing.T) {
+	root := t.TempDir()
+	fans, err := readHwmonFans(root)
+	require.NoError(t, err)
+	assert.Empty(t, fans)
+}
+
+func TestFanDiscoveryCache(t *testing.T) {
+	root := t.TempDir()
+	input := filepath.Join(root, "hwmon0", "fan1_input")
+	writeFile(t, filepath.Join(root, "hwmon0", "name"), "chip\n")
+	writeFile(t, input, "1000\n")
+
+	getSensors := newFanSensorCache(root)
+	sensors, err := getSensors()
+	require.NoError(t, err)
+	fans := readFanSensors(sensors)
+	assert.Equal(t, uint16(1000), fans["chip_fan1"])
+
+	writeFile(t, input, "1200\n")
+	writeFile(t, filepath.Join(root, "hwmon0", "fan1_label"), "case\n")
+	sensors, err = getSensors()
+	require.NoError(t, err)
+	fans = readFanSensors(sensors)
+	assert.Equal(t, map[string]uint16{"chip_fan1": 1200}, fans)
+}

agent/gpu.go

@@ -48,6 +48,8 @@ type GPUManager struct {
 	// Per-cache-key tracking for delta calculations
 	// cacheKey -> gpuId -> snapshot of last count/usage/power values
 	lastSnapshots map[uint16]map[string]*gpuSnapshot
+	// Per-card energy snapshots for Intel sysfs power calculation.
+	intelSysfsEnergySnapshots map[string]intelSysfsEnergySnapshot
 }
 
 // gpuSnapshot stores the last observed incremental values for delta tracking
@@ -90,6 +92,7 @@ const (
 	collectorSourceNVML         collectorSource = "nvml"
 	collectorSourceNvidiaSMI    collectorSource = collectorSource(nvidiaSmiCmd)
 	collectorSourceIntelGpuTop  collectorSource = collectorSource(intelGpuStatsCmd)
+	collectorSourceIntelSysfs   collectorSource = "intel_sysfs"
 	collectorSourceAmdSysfs     collectorSource = "amd_sysfs"
 	collectorSourceRocmSMI      collectorSource = collectorSource(rocmSmiCmd)
 	collectorSourceMacmon       collectorSource = collectorSource(macmonCmd)
@@ -106,6 +109,7 @@ func isValidCollectorSource(source collectorSource) bool {
 		collectorSourceNVML,
 		collectorSourceNvidiaSMI,
 		collectorSourceIntelGpuTop,
+		collectorSourceIntelSysfs,
 		collectorSourceAmdSysfs,
 		collectorSourceRocmSMI,
 		collectorSourceMacmon,
@@ -122,6 +126,8 @@ type gpuCapabilities struct {
 	hasAmdSysfs     bool
 	hasTegrastats   bool
 	hasIntelGpuTop  bool
+	hasXe           bool
+	hasIntelSysfs   bool
 	hasNvtop        bool
 	hasMacmon       bool
 	hasPowermetrics bool
@@ -369,12 +375,13 @@ func (gm *GPUManager) calculateGPUAverage(id string, gpu *system.GPUData, cacheK
 
 	gpuAvg.Power = utils.TwoDecimals(deltaPower / float64(deltaCount))
 
+	gpuAvg.PowerPkg = utils.TwoDecimals(deltaPowerPkg / float64(deltaCount))
+
 	if gpu.Engines != nil {
 		// make fresh map for averaged engine metrics to avoid mutating
 		// the accumulator map stored in gm.GpuDataMap
 		gpuAvg.Engines = make(map[string]float64, len(gpu.Engines))
 		gpuAvg.Usage = gm.calculateIntelGPUUsage(&gpuAvg, gpu, lastSnapshot, deltaCount)
-		gpuAvg.PowerPkg = utils.TwoDecimals(deltaPowerPkg / float64(deltaCount))
 	} else {
 		gpuAvg.Usage = utils.TwoDecimals(deltaUsage / float64(deltaCount))
 	}
@@ -444,6 +451,8 @@ func (gm *GPUManager) storeSnapshot(id string, gpu *system.GPUData, cacheKey uin
 func (gm *GPUManager) discoverGpuCapabilities() gpuCapabilities {
 	caps := gpuCapabilities{
 		hasAmdSysfs: gm.hasAmdSysfs(),
+		hasXe:       gm.hasXe(),
+		hasIntelSysfs: gm.hasIntelSysfs(),
 	}
 	if _, err := exec.LookPath(nvidiaSmiCmd); err == nil {
 		caps.hasNvidiaSmi = true
@@ -472,7 +481,7 @@ func (gm *GPUManager) discoverGpuCapabilities() gpuCapabilities {
 }
 
 func hasAnyGpuCollector(caps gpuCapabilities) bool {
-	return caps.hasNvidiaSmi || caps.hasRocmSmi || caps.hasAmdSysfs || caps.hasTegrastats || caps.hasIntelGpuTop || caps.hasNvtop || caps.hasMacmon || caps.hasPowermetrics
+	return caps.hasNvidiaSmi || caps.hasRocmSmi || caps.hasAmdSysfs || caps.hasTegrastats || caps.hasIntelGpuTop || caps.hasIntelSysfs || caps.hasNvtop || caps.hasMacmon || caps.hasPowermetrics
 }
 
 func (gm *GPUManager) startIntelCollector() {
@@ -563,6 +572,13 @@ func (gm *GPUManager) collectorDefinitions(caps gpuCapabilities) map[collectorSo
 				return true
 			},
 		},
+		collectorSourceIntelSysfs: {
+			group:     collectorGroupIntel,
+			available: caps.hasIntelSysfs,
+			start: func(_ func()) bool {
+				return gm.startIntelSysfsCollector()
+			},
+		},
 		collectorSourceAmdSysfs: {
 			group:     collectorGroupAmd,
 			available: caps.hasAmdSysfs,
@@ -705,9 +721,12 @@ func (gm *GPUManager) resolveLegacyCollectorPriority(caps gpuCapabilities) []col
 		priorities = append(priorities, collectorSourceAmdSysfs)
 	}
 
-	if caps.hasIntelGpuTop {
+	if caps.hasIntelGpuTop && !caps.hasXe {
 		priorities = append(priorities, collectorSourceIntelGpuTop)
 	}
+	if caps.hasIntelSysfs {
+		priorities = append(priorities, collectorSourceIntelSysfs)
+	}
 
 	// Apple collectors are currently opt-in only for testing.
 	// Enable them with GPU_COLLECTOR=macmon or GPU_COLLECTOR=powermetrics.

agent/gpu_intel_sysfs_linux.go

@@ -0,0 +1,280 @@
+//go:build linux
+
+package agent
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/henrygd/beszel/agent/utils"
+	"github.com/henrygd/beszel/internal/entities/system"
+)
+
+var (
+	drmSysfsRoot  = "/sys/class/drm"
+	intelSysfsNow = time.Now
+)
+
+type intelSysfsEnergySnapshot struct {
+	microjoules uint64
+	timestamp   time.Time
+}
+
+type intelSysfsCard struct {
+	cardPath string
+	hwmonDir string
+}
+
+// hasIntelSysfs returns true if any Intel DRM card exposes an hwmon energy counter.
+func (gm *GPUManager) hasIntelSysfs() bool {
+	cards, err := discoverIntelSysfsCards()
+	return err == nil && len(cards) > 0
+}
+
+// startIntelSysfsCollector starts Intel GPU collection via sysfs.
+func (gm *GPUManager) startIntelSysfsCollector() bool {
+	go func() {
+		if err := gm.collectIntelSysfsStats(); err != nil {
+			slog.Warn("Error collecting Intel GPU data via sysfs", "err", err)
+		}
+	}()
+	return true
+}
+
+// collectIntelSysfsStats collects Intel GPU metrics directly from DRM sysfs / hwmon.
+func (gm *GPUManager) collectIntelSysfsStats() error {
+	sysfsPollInterval := 3000 * time.Millisecond
+	cards, err := discoverIntelSysfsCards()
+	if err != nil {
+		return err
+	}
+	if len(cards) == 0 {
+		return errNoValidData
+	}
+
+	slog.Debug("Using sysfs for Intel GPU data collection", "cards", len(cards))
+	for _, card := range cards {
+		slog.Debug("Intel sysfs card detected", "card", filepath.Base(card.cardPath), "hwmon", card.hwmonDir)
+	}
+
+	failures := 0
+	for {
+		hasData := false
+		for _, card := range cards {
+			if gm.updateIntelSysfsGpuData(card.cardPath, card.hwmonDir) {
+				hasData = true
+			}
+		}
+		if !hasData {
+			failures++
+			if failures > maxFailureRetries {
+				return errNoValidData
+			}
+			slog.Warn("No Intel GPU data from sysfs", "failures", failures)
+			time.Sleep(retryWaitTime)
+			continue
+		}
+		failures = 0
+		time.Sleep(sysfsPollInterval)
+	}
+}
+
+func discoverIntelSysfsCards() ([]intelSysfsCard, error) {
+	paths, err := filepath.Glob(filepath.Join(drmSysfsRoot, "card*"))
+	if err != nil {
+		return nil, err
+	}
+
+	var cards []intelSysfsCard
+	for _, cardPath := range paths {
+		if strings.Contains(filepath.Base(cardPath), "-") || !isIntelGpu(cardPath) {
+			continue
+		}
+		hwmonDir := findIntelEnergyHwmon(filepath.Join(cardPath, "device"))
+		if hwmonDir == "" {
+			continue
+		}
+		cards = append(cards, intelSysfsCard{cardPath: cardPath, hwmonDir: hwmonDir})
+	}
+	return cards, nil
+}
+
+func isIntelGpu(cardPath string) bool {
+	vendor, err := utils.ReadStringFileLimited(filepath.Join(cardPath, "device/vendor"), 64)
+	if err != nil {
+		return false
+	}
+	return strings.EqualFold(strings.TrimSpace(vendor), "0x8086")
+}
+
+func findIntelEnergyHwmon(devicePath string) string {
+	hwmons, _ := filepath.Glob(filepath.Join(devicePath, "hwmon/hwmon*"))
+	var fallback string
+	for _, hwmonDir := range hwmons {
+		if !sysfsFileExists(filepath.Join(hwmonDir, "energy1_input")) {
+			continue
+		}
+		if name, err := utils.ReadStringFileLimited(filepath.Join(hwmonDir, "name"), 64); err == nil && strings.EqualFold(strings.TrimSpace(name), "xe") {
+			return hwmonDir
+		}
+		if fallback == "" {
+			fallback = hwmonDir
+		}
+	}
+	return fallback
+}
+
+func sysfsFileExists(path string) bool {
+	_, err := utils.ReadStringFileLimited(path, 1)
+	return err == nil
+}
+
+// updateIntelSysfsGpuData reads GPU metrics from sysfs and updates the GPU data map.
+// Returns true if the required energy counter was read successfully.
+func (gm *GPUManager) updateIntelSysfsGpuData(cardPath, hwmonDir string) bool {
+	devicePath := filepath.Join(cardPath, "device")
+	id := filepath.Base(cardPath)
+
+	energy, err := readSysfsUint(filepath.Join(hwmonDir, "energy1_input"))
+	if err != nil {
+		return false
+	}
+
+	now := intelSysfsNow()
+	power, hasPower := gm.calculateIntelSysfsPower(id, energy, now)
+	powerPkg, hasPowerPkg := gm.readIntelSysfsPowerPkg(id, hwmonDir, now)
+	temp := readIntelSysfsTemperature(hwmonDir)
+	usage, usageErr := readOptionalSysfsFloat(filepath.Join(devicePath, "gpu_busy_percent"))
+	memUsed, memUsedErr := readFirstOptionalSysfsFloat(
+		filepath.Join(devicePath, "mem_info_vram_used"),
+		filepath.Join(devicePath, "mem_info_lmem_used"),
+		filepath.Join(devicePath, "mem_info_local_mem_used"),
+	)
+	memTotal, memTotalErr := readFirstOptionalSysfsFloat(
+		filepath.Join(devicePath, "mem_info_vram_total"),
+		filepath.Join(devicePath, "mem_info_lmem_total"),
+		filepath.Join(devicePath, "mem_info_local_mem_total"),
+	)
+
+	gm.Lock()
+	defer gm.Unlock()
+
+	gpu, ok := gm.GpuDataMap[id]
+	if !ok {
+		gpu = &system.GPUData{Name: getIntelSysfsGpuName(cardPath)}
+		gm.GpuDataMap[id] = gpu
+	}
+
+	if usageErr == nil {
+		gpu.Usage += usage
+	}
+	if memUsedErr == nil {
+		gpu.MemoryUsed = utils.BytesToMegabytes(memUsed)
+	}
+	if memTotalErr == nil {
+		gpu.MemoryTotal = utils.BytesToMegabytes(memTotal)
+	}
+	if temp > 0 {
+		gpu.Temperature = temp
+	}
+	if hasPower {
+		gpu.Power += power
+		slog.Debug("Computed Intel sysfs GPU power", "card", id, "watts", power)
+	}
+	if hasPowerPkg {
+		gpu.PowerPkg += powerPkg
+	}
+	gpu.Count++
+	return true
+}
+
+func (gm *GPUManager) calculateIntelSysfsPower(cardID string, microjoules uint64, timestamp time.Time) (float64, bool) {
+	if gm.intelSysfsEnergySnapshots == nil {
+		gm.intelSysfsEnergySnapshots = make(map[string]intelSysfsEnergySnapshot)
+	}
+
+	last, ok := gm.intelSysfsEnergySnapshots[cardID]
+	gm.intelSysfsEnergySnapshots[cardID] = intelSysfsEnergySnapshot{microjoules: microjoules, timestamp: timestamp}
+	if !ok {
+		return 0, false
+	}
+	if microjoules < last.microjoules {
+		slog.Debug("Intel sysfs energy counter reset", "card", cardID)
+		return 0, false
+	}
+	elapsed := timestamp.Sub(last.timestamp).Seconds()
+	if elapsed <= 0 {
+		return 0, false
+	}
+	delta := microjoules - last.microjoules
+	return float64(delta) / 1_000_000.0 / elapsed, true
+}
+
+func (gm *GPUManager) readIntelSysfsPowerPkg(cardID, hwmonDir string, timestamp time.Time) (float64, bool) {
+	energyPaths, _ := filepath.Glob(filepath.Join(hwmonDir, "energy*_input"))
+	for _, path := range energyPaths {
+		if filepath.Base(path) == "energy1_input" {
+			continue
+		}
+		energy, err := readSysfsUint(path)
+		if err != nil {
+			continue
+		}
+		return gm.calculateIntelSysfsPower(cardID+":"+filepath.Base(path), energy, timestamp)
+	}
+	return 0, false
+}
+
+func readIntelSysfsTemperature(hwmonDir string) float64 {
+	tempPaths, _ := filepath.Glob(filepath.Join(hwmonDir, "temp*_input"))
+	for _, path := range tempPaths {
+		temp, err := readSysfsFloat(path)
+		if err == nil && temp > 0 {
+			return temp / 1000.0
+		}
+	}
+	return 0
+}
+
+func readSysfsUint(path string) (uint64, error) {
+	val, err := utils.ReadStringFileLimited(path, 64)
+	if err != nil {
+		slog.Debug("Failed to read sysfs value", "path", path, "error", err)
+		return 0, err
+	}
+	return strconv.ParseUint(strings.TrimSpace(val), 10, 64)
+}
+
+func readOptionalSysfsFloat(path string) (float64, error) {
+	val, err := os.ReadFile(path)
+	if err != nil {
+		return 0, err
+	}
+	return strconv.ParseFloat(strings.TrimSpace(string(val)), 64)
+}
+
+func readFirstOptionalSysfsFloat(paths ...string) (float64, error) {
+	for _, path := range paths {
+		val, err := readOptionalSysfsFloat(path)
+		if err == nil {
+			return val, nil
+		}
+	}
+	return 0, fmt.Errorf("no sysfs values found")
+}
+
+func getIntelSysfsGpuName(cardPath string) string {
+	devicePath := filepath.Join(cardPath, "device")
+	if product, err := utils.ReadStringFileLimited(filepath.Join(devicePath, "product_name"), 128); err == nil && strings.TrimSpace(product) != "" {
+		return strings.TrimSpace(product)
+	}
+	if name, err := utils.ReadStringFileLimited(filepath.Join(devicePath, "name"), 128); err == nil && strings.TrimSpace(name) != "" {
+		return strings.TrimSpace(name)
+	}
+	return fmt.Sprintf("Intel GPU %s", filepath.Base(cardPath))
+}

agent/gpu_intel_sysfs_linux_test.go

@@ -0,0 +1,217 @@
+//go:build linux
+
+package agent
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/henrygd/beszel/agent/utils"
+	"github.com/henrygd/beszel/internal/entities/system"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func setupIntelSysfsTest(t *testing.T) (root, cardPath, hwmonPath string) {
+	t.Helper()
+	root = t.TempDir()
+	oldRoot := drmSysfsRoot
+	drmSysfsRoot = root
+	t.Cleanup(func() {
+		drmSysfsRoot = oldRoot
+	})
+
+	cardPath = filepath.Join(root, "card0")
+	devicePath := filepath.Join(cardPath, "device")
+	hwmonPath = filepath.Join(devicePath, "hwmon", "hwmon0")
+	require.NoError(t, os.MkdirAll(hwmonPath, 0o755))
+	return root, cardPath, hwmonPath
+}
+
+func writeIntelSysfsFile(t *testing.T, basePath, name, content string) {
+	t.Helper()
+	require.NoError(t, os.WriteFile(filepath.Join(basePath, name), []byte(content), 0o644))
+}
+
+func setIntelSysfsTime(t *testing.T, now time.Time) {
+	t.Helper()
+	oldNow := intelSysfsNow
+	intelSysfsNow = func() time.Time { return now }
+	t.Cleanup(func() {
+		intelSysfsNow = oldNow
+	})
+}
+
+func TestIntelSysfsDetectsIntelCardWithEnergy(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "name", "xe\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+
+	gm := &GPUManager{}
+	assert.True(t, gm.hasIntelSysfs())
+
+	cards, err := discoverIntelSysfsCards()
+	require.NoError(t, err)
+	require.Len(t, cards, 1)
+	assert.Equal(t, cardPath, cards[0].cardPath)
+	assert.Equal(t, hwmonPath, cards[0].hwmonDir)
+}
+
+func TestIntelSysfsRejectsNonIntelCard(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x1002\n")
+	writeIntelSysfsFile(t, hwmonPath, "name", "xe\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+
+	gm := &GPUManager{}
+	assert.False(t, gm.hasIntelSysfs())
+}
+
+func TestIntelSysfsRequiresEnergyInput(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "name", "xe\n")
+
+	gm := &GPUManager{}
+	assert.False(t, gm.hasIntelSysfs())
+}
+
+func TestIntelSysfsFirstSampleInitializesWithoutBogusPower(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "name", "xe\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+	setIntelSysfsTime(t, time.Unix(100, 0))
+
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	ok := gm.updateIntelSysfsGpuData(cardPath, hwmonPath)
+	require.True(t, ok)
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, "Intel GPU card0", gpu.Name)
+	assert.Equal(t, 0.0, gpu.Power)
+	assert.Equal(t, 1.0, gpu.Count)
+}
+
+func TestIntelSysfsSecondSampleComputesWatts(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	oldNow := intelSysfsNow
+	intelSysfsNow = func() time.Time { return time.Unix(100, 0) }
+	t.Cleanup(func() { intelSysfsNow = oldNow })
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "6000000\n")
+	intelSysfsNow = func() time.Time { return time.Unix(102, 0) }
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, 2.5, gpu.Power)
+	assert.Equal(t, 2.0, gpu.Count)
+}
+
+func TestIntelSysfsSecondEnergyCounterMapsToPowerPkg(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy2_input", "2000000\n")
+
+	oldNow := intelSysfsNow
+	t.Cleanup(func() { intelSysfsNow = oldNow })
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	intelSysfsNow = func() time.Time { return time.Unix(100, 0) }
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "2000000\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy2_input", "8000000\n")
+	intelSysfsNow = func() time.Time { return time.Unix(102, 0) }
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, 0.5, gpu.Power)
+	assert.Equal(t, 3.0, gpu.PowerPkg)
+}
+
+func TestIntelSysfsCounterResetSkipsOneSample(t *testing.T) {
+	gm := &GPUManager{}
+	power, ok := gm.calculateIntelSysfsPower("card0", 5000000, time.Unix(100, 0))
+	assert.False(t, ok)
+	assert.Equal(t, 0.0, power)
+
+	power, ok = gm.calculateIntelSysfsPower("card0", 1000000, time.Unix(101, 0))
+	assert.False(t, ok)
+	assert.Equal(t, 0.0, power)
+
+	power, ok = gm.calculateIntelSysfsPower("card0", 3000000, time.Unix(103, 0))
+	assert.True(t, ok)
+	assert.Equal(t, 1.0, power)
+}
+
+func TestIntelSysfsTempInputMapsToCelsius(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+	writeIntelSysfsFile(t, hwmonPath, "temp1_input", "43500\n")
+	setIntelSysfsTime(t, time.Unix(100, 0))
+
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, 43.5, gpu.Temperature)
+}
+
+func TestIntelSysfsMissingOptionalFilesDoNotFail(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+	setIntelSysfsTime(t, time.Unix(100, 0))
+
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, 0.0, gpu.Usage)
+	assert.Equal(t, 0.0, gpu.MemoryUsed)
+	assert.Equal(t, 0.0, gpu.MemoryTotal)
+	assert.Equal(t, 0.0, gpu.Temperature)
+}
+
+func TestIntelSysfsMapsOpportunisticMemoryAndUsage(t *testing.T) {
+	_, cardPath, hwmonPath := setupIntelSysfsTest(t)
+	devicePath := filepath.Join(cardPath, "device")
+	writeIntelSysfsFile(t, devicePath, "vendor", "0x8086\n")
+	writeIntelSysfsFile(t, devicePath, "gpu_busy_percent", "37\n")
+	writeIntelSysfsFile(t, devicePath, "mem_info_lmem_used", "1073741824\n")
+	writeIntelSysfsFile(t, devicePath, "mem_info_lmem_total", "2147483648\n")
+	writeIntelSysfsFile(t, hwmonPath, "energy1_input", "1000000\n")
+	setIntelSysfsTime(t, time.Unix(100, 0))
+
+	gm := &GPUManager{GpuDataMap: make(map[string]*system.GPUData)}
+	require.True(t, gm.updateIntelSysfsGpuData(cardPath, hwmonPath))
+
+	gpu := gm.GpuDataMap["card0"]
+	require.NotNil(t, gpu)
+	assert.Equal(t, 37.0, gpu.Usage)
+	assert.Equal(t, utils.BytesToMegabytes(1073741824), gpu.MemoryUsed)
+	assert.Equal(t, utils.BytesToMegabytes(2147483648), gpu.MemoryTotal)
+}

agent/gpu_intel_sysfs_unsupported.go

@@ -0,0 +1,13 @@
+//go:build !linux
+
+package agent
+
+type intelSysfsEnergySnapshot struct{}
+
+func (gm *GPUManager) hasIntelSysfs() bool {
+	return false
+}
+
+func (gm *GPUManager) startIntelSysfsCollector() bool {
+	return false
+}

agent/gpu_nvtop.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"log/slog"
 	"os/exec"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -48,9 +49,14 @@ func (gm *GPUManager) updateNvtopSnapshots(snapshots []nvtopSnapshot) bool {
 
 	valid := false
 	usedIDs := make(map[string]struct{}, len(snapshots))
+	var xeName string
 	for i, sample := range snapshots {
+		// nvtop leaves device_name unset on xe devices.
 		if sample.DeviceName == "" {
-			continue
+			if xeName == "" {
+				xeName = xeGpuName()
+			}
+			sample.DeviceName = xeName
 		}
 		indexID := "n" + strconv.Itoa(i)
 		id := indexID
@@ -158,3 +164,38 @@ func (gm *GPUManager) startNvtopCollector(interval string, onFailure func()) {
 		}
 	}()
 }
+
+// xeDevicePath returns the sysfs device path of the first xe GPU, or "".
+func xeDevicePath() string {
+	cards, err := filepath.Glob("/sys/class/drm/card*")
+	if err != nil {
+		return ""
+	}
+	for _, card := range cards {
+		if strings.Contains(filepath.Base(card), "-") {
+			continue
+		}
+		if uevent, err := utils.ReadStringFileLimited(filepath.Join(card, "device", "uevent"), 4096); err == nil && strings.Contains(uevent, "DRIVER=xe") {
+			return filepath.Join(card, "device")
+		}
+	}
+	return ""
+}
+
+func (gm *GPUManager) hasXe() bool {
+	return xeDevicePath() != ""
+}
+
+// xeGpuName names an xe GPU from its PCI device id; nvtop leaves device_name unset on xe.
+func xeGpuName() string {
+	devicePath := xeDevicePath()
+	if devicePath == "" {
+		return "GPU"
+	}
+	id, err := utils.ReadStringFileLimited(filepath.Join(devicePath, "device"), 64)
+	if err != nil {
+		return "GPU"
+	}
+	id = strings.ToLower(strings.TrimSpace(strings.TrimPrefix(id, "0x")))
+	return "Intel GPU (" + id + ")"
+}

agent/gpu_test.go

@@ -332,11 +332,12 @@ func TestUpdateNvtopSnapshotsKeepsDeviceAssociationWhenOrderChanges(t *testing.T
 }
 
 func TestParseCollectorPriority(t *testing.T) {
-	got := parseCollectorPriority(" nvml, nvidia-smi, intel_gpu_top, amd_sysfs, nvtop, rocm-smi, bad ")
+	got := parseCollectorPriority(" nvml, nvidia-smi, intel_gpu_top, intel_sysfs, amd_sysfs, nvtop, rocm-smi, bad ")
 	want := []collectorSource{
 		collectorSourceNVML,
 		collectorSourceNvidiaSMI,
 		collectorSourceIntelGpuTop,
+		collectorSourceIntelSysfs,
 		collectorSourceAmdSysfs,
 		collectorSourceNVTop,
 		collectorSourceRocmSMI,

agent/handlers.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/fxamacker/cbor/v2"
 	"github.com/henrygd/beszel/internal/common"
-	"github.com/henrygd/beszel/internal/entities/probe"
 	"github.com/henrygd/beszel/internal/entities/smart"
 
 	"log/slog"
@@ -52,7 +51,6 @@ func NewHandlerRegistry() *HandlerRegistry {
 	registry.Register(common.GetContainerInfo, &GetContainerInfoHandler{})
 	registry.Register(common.GetSmartData, &GetSmartDataHandler{})
 	registry.Register(common.GetSystemdInfo, &GetSystemdInfoHandler{})
-	registry.Register(common.SyncNetworkProbes, &SyncNetworkProbesHandler{})
 
 	return registry
 }
@@ -168,14 +166,16 @@ type GetSmartDataHandler struct{}
 
 func (h *GetSmartDataHandler) Handle(hctx *HandlerContext) error {
 	if hctx.Agent.smartManager == nil {
-		// return empty map to indicate no data
-		return hctx.SendResponse(map[string]smart.SmartData{}, hctx.RequestID)
+		return hctx.SendResponse(smart.SmartDataResponse{Data: map[string]smart.SmartData{}}, hctx.RequestID)
 	}
-	if err := hctx.Agent.smartManager.Refresh(false); err != nil {
+	complete, err := hctx.Agent.smartManager.Refresh(false)
+	if err != nil {
 		slog.Debug("smart refresh failed", "err", err)
 	}
-	data := hctx.Agent.smartManager.GetCurrentData()
-	return hctx.SendResponse(data, hctx.RequestID)
+	return hctx.SendResponse(smart.SmartDataResponse{
+		Data:     hctx.Agent.smartManager.GetCurrentData(),
+		Complete: complete,
+	}, hctx.RequestID)
 }
 
 ////////////////////////////////////////////////////////////////////////////
@@ -205,22 +205,3 @@ func (h *GetSystemdInfoHandler) Handle(hctx *HandlerContext) error {
 
 	return hctx.SendResponse(details, hctx.RequestID)
 }
-
-////////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////////
-
-// SyncNetworkProbesHandler handles probe configuration sync from hub
-type SyncNetworkProbesHandler struct{}
-
-func (h *SyncNetworkProbesHandler) Handle(hctx *HandlerContext) error {
-	var req probe.SyncRequest
-	if err := cbor.Unmarshal(hctx.Request.Data, &req); err != nil {
-		return err
-	}
-	resp, err := hctx.Agent.probeManager.HandleSyncRequest(req)
-	if err != nil {
-		return err
-	}
-	slog.Info("network probes synced", "action", req.Action)
-	return hctx.SendResponse(resp, hctx.RequestID)
-}

agent/handlers_test.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/fxamacker/cbor/v2"
 	"github.com/henrygd/beszel/internal/common"
+	"github.com/henrygd/beszel/internal/entities/smart"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -17,6 +18,18 @@ type MockHandler struct {
 	handleFunc           func(ctx *HandlerContext) error
 }
 
+func TestNewAgentResponseSmartData(t *testing.T) {
+	response := newAgentResponse(smart.SmartDataResponse{
+		Data: map[string]smart.SmartData{
+			"AAA": {SerialNumber: "AAA"},
+		},
+		Complete: true,
+	}, nil)
+
+	assert.Equal(t, "AAA", response.SmartData["AAA"].SerialNumber)
+	assert.True(t, response.SmartComplete)
+}
+
 func (m *MockHandler) Handle(ctx *HandlerContext) error {
 	if m.handleFunc != nil {
 		return m.handleFunc(ctx)

agent/mdraid_linux.go

@@ -180,8 +180,13 @@ func mdraidSmartStatus(health mdraidHealth) string {
 	if health.degraded > 0 {
 		return "FAILED"
 	}
+	if health.mismatchCnt > 0 {
+		return "WARNING"
+	}
+	// "check" scans for consistency problems without repairing mismatches.
+	// With no mismatches, keep it green while reporting progress attributes.
 	switch syncAction {
-	case "check", "repair":
+	case "repair":
 		return "WARNING"
 	}
 	switch state {

agent/mdraid_linux_test.go

@@ -94,6 +94,18 @@ func TestMdraidSmartStatus(t *testing.T) {
 	if got := mdraidSmartStatus(mdraidHealth{arrayState: "active", syncAction: "recover"}); got != "WARNING" {
 		t.Fatalf("mdraidSmartStatus(recover) = %q, want WARNING", got)
 	}
+	if got := mdraidSmartStatus(mdraidHealth{arrayState: "clean", syncAction: "check"}); got != "PASSED" {
+		t.Fatalf("mdraidSmartStatus(clean+check) = %q, want PASSED", got)
+	}
+	if got := mdraidSmartStatus(mdraidHealth{arrayState: "clean", syncAction: "check", mismatchCnt: 1}); got != "WARNING" {
+		t.Fatalf("mdraidSmartStatus(clean+check+mismatch) = %q, want WARNING", got)
+	}
+	if got := mdraidSmartStatus(mdraidHealth{arrayState: "clean", mismatchCnt: 1}); got != "WARNING" {
+		t.Fatalf("mdraidSmartStatus(clean+mismatch) = %q, want WARNING", got)
+	}
+	if got := mdraidSmartStatus(mdraidHealth{arrayState: "clean", syncAction: "repair"}); got != "WARNING" {
+		t.Fatalf("mdraidSmartStatus(repair) = %q, want WARNING", got)
+	}
 	if got := mdraidSmartStatus(mdraidHealth{arrayState: "clean"}); got != "PASSED" {
 		t.Fatalf("mdraidSmartStatus(clean) = %q, want PASSED", got)
 	}

agent/probe.go

@@ -1,538 +0,0 @@
-package agent
-
-import (
-	"errors"
-	"fmt"
-	"math"
-	"math/rand"
-	"net"
-	"net/http"
-
-	// "strconv"
-	"sync"
-	"time"
-
-	"log/slog"
-
-	"github.com/henrygd/beszel/internal/entities/probe"
-)
-
-// Probe functionality overview:
-// Probes run at user-defined intervals (e.g., every 10s).
-// To keep memory usage low and constant, data is stored in two layers:
-// 1. Raw samples: The most recent individual results (kept for probeRawRetention).
-// 2. Minute buckets: A fixed-size ring buffer of 61 buckets, each representing one
-//    wall-clock minute. Samples collected within the same minute are aggregated
-//    (sum, min, max, count) into a single bucket.
-//
-// Short-term requests (<= 2m) use raw samples for perfect accuracy.
-// Long-term requests (up to 1h) use the minute buckets to avoid storing thousands
-// of individual data points.
-
-const (
-	// probeRawRetention is the duration to keep individual samples for high-precision short-term requests
-	probeRawRetention = 70 * time.Second
-	// probeMinuteBucketLen is the number of 1-minute buckets to keep (1 hour + 1 for partials)
-	probeMinuteBucketLen int32 = 61
-)
-
-// ProbeManager manages network probe tasks.
-type ProbeManager struct {
-	mu         sync.RWMutex
-	probes     map[string]*probeTask // key = probe.Config.Key()
-	httpClient *http.Client
-}
-
-// probeTask owns retention buffers and cancellation for a single probe config.
-type probeTask struct {
-	config  probe.Config
-	cancel  chan struct{}
-	mu      sync.Mutex
-	samples []probeSample
-	buckets [probeMinuteBucketLen]probeBucket
-}
-
-// probeSample stores one probe attempt and its collection time.
-type probeSample struct {
-	responseUs int64 // -1 means loss
-	timestamp  time.Time
-}
-
-// probeBucket stores one minute of aggregated probe data.
-type probeBucket struct {
-	minute int32
-	filled bool
-	stats  probeAggregate
-}
-
-// probeAggregate accumulates successful response stats and total sample counts.
-type probeAggregate struct {
-	sumUs        int64
-	minUs        int64
-	maxUs        int64
-	totalCount   int64
-	successCount int64
-}
-
-func newProbeManager() *ProbeManager {
-	return &ProbeManager{
-		probes:     make(map[string]*probeTask),
-		httpClient: &http.Client{Timeout: 10 * time.Second},
-	}
-}
-
-func newProbeTask(config probe.Config) *probeTask {
-	return &probeTask{
-		config:  config,
-		cancel:  make(chan struct{}),
-		samples: make([]probeSample, 0, 64),
-	}
-}
-
-func newProbeTaskFromExisting(config probe.Config, existing *probeTask) *probeTask {
-	task := newProbeTask(config)
-	if existing == nil {
-		return task
-	}
-
-	existing.mu.Lock()
-	defer existing.mu.Unlock()
-	task.samples = append(task.samples, existing.samples...)
-	task.buckets = existing.buckets
-	return task
-}
-
-// newProbeAggregate initializes an aggregate with an unset minimum value.
-func newProbeAggregate() probeAggregate {
-	return probeAggregate{minUs: math.MaxInt64}
-}
-
-// addResponse folds a single probe sample into the aggregate.
-func (agg *probeAggregate) addResponse(responseUs int64) {
-	agg.totalCount++
-	if responseUs < 0 {
-		return
-	}
-	agg.successCount++
-	agg.sumUs += responseUs
-	if responseUs < agg.minUs {
-		agg.minUs = responseUs
-	}
-	if responseUs > agg.maxUs {
-		agg.maxUs = responseUs
-	}
-}
-
-// addAggregate merges another aggregate into this one.
-func (agg *probeAggregate) addAggregate(other probeAggregate) {
-	if other.totalCount == 0 {
-		return
-	}
-	agg.totalCount += other.totalCount
-	agg.successCount += other.successCount
-	agg.sumUs += other.sumUs
-	if other.successCount == 0 {
-		return
-	}
-	if agg.minUs == math.MaxInt64 || other.minUs < agg.minUs {
-		agg.minUs = other.minUs
-	}
-	if other.maxUs > agg.maxUs {
-		agg.maxUs = other.maxUs
-	}
-}
-
-// hasData reports whether the aggregate contains any samples.
-func (agg probeAggregate) hasData() bool {
-	return agg.totalCount > 0
-}
-
-// result converts the aggregate into the probe result slice format.
-func (agg probeAggregate) result() probe.Result {
-	avg := agg.avgResponse()
-	minUs := 0.0
-	if agg.successCount > 0 {
-		minUs = float64(agg.minUs)
-	}
-	return probe.Result{
-		avg,
-		minUs,
-		float64(agg.maxUs),
-		agg.lossPercentage(),
-	}
-}
-
-// avgResponse returns the rounded average of successful samples.
-func (agg probeAggregate) avgResponse() float64 {
-	if agg.successCount == 0 {
-		return 0
-	}
-	return float64(agg.sumUs / agg.successCount)
-
-}
-
-// lossPercentage returns the rounded failure rate for the aggregate.
-func (agg probeAggregate) lossPercentage() float64 {
-	if agg.totalCount == 0 {
-		return 0
-	}
-	return math.Round(float64(agg.totalCount-agg.successCount)/float64(agg.totalCount)*10000) / 100
-}
-
-// SyncProbes replaces all probe tasks with the given configs.
-func (pm *ProbeManager) SyncProbes(configs []probe.Config) {
-	pm.mu.Lock()
-	defer pm.mu.Unlock()
-
-	// Build set of new keys
-	newKeys := make(map[string]probe.Config, len(configs))
-	for _, cfg := range configs {
-		if cfg.ID == "" {
-			continue
-		}
-		newKeys[cfg.ID] = cfg
-	}
-
-	// Stop removed probes
-	for key, task := range pm.probes {
-		if _, exists := newKeys[key]; !exists {
-			close(task.cancel)
-			delete(pm.probes, key)
-		}
-	}
-
-	// Start new probes and restart tasks whose config changed.
-	for key, cfg := range newKeys {
-		task, exists := pm.probes[key]
-		if exists && task.config == cfg {
-			continue
-		}
-		if exists {
-			close(task.cancel)
-		}
-		task = newProbeTaskFromExisting(cfg, task)
-		pm.probes[key] = task
-		go pm.runProbe(task, false)
-	}
-}
-
-// HandleSyncRequest applies a full or incremental probe sync request.
-func (pm *ProbeManager) HandleSyncRequest(req probe.SyncRequest) (probe.SyncResponse, error) {
-	switch req.Action {
-	case probe.SyncActionReplace:
-		pm.SyncProbes(req.Configs)
-		return probe.SyncResponse{}, nil
-	case probe.SyncActionUpsert:
-		result, err := pm.UpsertProbe(req.Config, req.RunNow)
-		if err != nil {
-			return probe.SyncResponse{}, err
-		}
-		if result == nil {
-			return probe.SyncResponse{}, nil
-		}
-		return probe.SyncResponse{Result: *result}, nil
-	case probe.SyncActionDelete:
-		if req.Config.ID == "" {
-			return probe.SyncResponse{}, errors.New("missing probe ID for delete")
-		}
-		pm.DeleteProbe(req.Config.ID)
-		return probe.SyncResponse{}, nil
-	default:
-		return probe.SyncResponse{}, fmt.Errorf("unknown probe sync action: %d", req.Action)
-	}
-}
-
-// UpsertProbe creates or replaces a single probe task.
-func (pm *ProbeManager) UpsertProbe(config probe.Config, runNow bool) (*probe.Result, error) {
-	if config.ID == "" {
-		return nil, errors.New("missing probe ID")
-	}
-
-	pm.mu.Lock()
-	task, exists := pm.probes[config.ID]
-	startTask := false
-	if exists && task.config == config {
-		pm.mu.Unlock()
-		if !runNow {
-			return nil, nil
-		}
-		return pm.runProbeNow(task), nil
-	}
-	if exists {
-		close(task.cancel)
-	}
-	task = newProbeTaskFromExisting(config, task)
-	pm.probes[config.ID] = task
-	startTask = true
-	pm.mu.Unlock()
-
-	if runNow {
-		result := pm.runProbeNow(task)
-		if startTask {
-			go pm.runProbe(task, false)
-		}
-		return result, nil
-	}
-	if startTask {
-		go pm.runProbe(task, false)
-	}
-	return nil, nil
-}
-
-// DeleteProbe stops and removes a single probe task.
-func (pm *ProbeManager) DeleteProbe(id string) {
-	if id == "" {
-		return
-	}
-	pm.mu.Lock()
-	defer pm.mu.Unlock()
-	if task, exists := pm.probes[id]; exists {
-		close(task.cancel)
-		delete(pm.probes, id)
-	}
-}
-
-// GetResults returns aggregated results for all probes over the last supplied duration in ms.
-func (pm *ProbeManager) GetResults(durationMs uint16) map[string]probe.Result {
-	pm.mu.RLock()
-	defer pm.mu.RUnlock()
-
-	results := make(map[string]probe.Result, len(pm.probes))
-	now := time.Now()
-	duration := time.Duration(durationMs) * time.Millisecond
-
-	for _, task := range pm.probes {
-		task.mu.Lock()
-		result, ok := task.resultLocked(duration, now)
-		task.mu.Unlock()
-
-		if !ok {
-			continue
-		}
-		results[task.config.ID] = result
-	}
-
-	return results
-}
-
-// Stop stops all probe tasks.
-func (pm *ProbeManager) Stop() {
-	pm.mu.Lock()
-	defer pm.mu.Unlock()
-	for key, task := range pm.probes {
-		close(task.cancel)
-		delete(pm.probes, key)
-	}
-}
-
-// runProbe executes a single probe task in a loop.
-func (pm *ProbeManager) runProbe(task *probeTask, runNow bool) {
-	interval := time.Duration(task.config.Interval) * time.Second
-	if interval < time.Second {
-		interval = 30 * time.Second
-	}
-
-	stagger := getStagger(interval.Milliseconds())
-	slog.Info("starting probe task", "id", task.config.ID, "initial_delay", stagger.String(), "interval", interval.String())
-
-	if runNow {
-		pm.executeProbe(task)
-	}
-
-	select {
-	case <-task.cancel:
-		slog.Info("removed probe", "id", task.config.ID)
-		return
-	case <-time.After(stagger):
-		slog.Info("initial probe execution", "id", task.config.ID)
-		pm.executeProbe(task)
-	}
-
-	ticker := time.Tick(interval)
-
-	for {
-		select {
-		case <-task.cancel:
-			slog.Info("removed probe", "id", task.config.ID)
-			return
-		case <-ticker:
-			slog.Info("running probe in main loop", "id", task.config.ID, "interval", interval.String())
-			pm.executeProbe(task)
-		}
-	}
-}
-
-// getStagger returns a random duration between intervalSeconds/2 and intervalSeconds to stagger probe executions
-func getStagger(intervalMilli int64) time.Duration {
-	intervalMilliInt := int(intervalMilli)
-	randomDelayInt := rand.Intn(intervalMilliInt)
-	if randomDelayInt < intervalMilliInt/2 {
-		randomDelayInt += intervalMilliInt / 2
-	}
-	return time.Duration(randomDelayInt) * time.Millisecond
-}
-
-func (pm *ProbeManager) runProbeNow(task *probeTask) *probe.Result {
-	pm.executeProbe(task)
-	task.mu.Lock()
-	defer task.mu.Unlock()
-	result, ok := task.resultLocked(time.Minute, time.Now())
-	if !ok {
-		return nil
-	}
-	return &result
-}
-
-// aggregateLocked collects probe data for the requested time window.
-func (task *probeTask) aggregateLocked(duration time.Duration, now time.Time) probeAggregate {
-	cutoff := now.Add(-duration)
-	// Keep short windows exact; longer windows read from minute buckets to avoid raw-sample retention.
-	if duration <= probeRawRetention {
-		return aggregateSamplesSince(task.samples, cutoff)
-	}
-	return aggregateBucketsSince(task.buckets[:], cutoff, now)
-}
-
-// resultLocked returns the aggregated probe result for the requested duration along with a bool indicating whether any data was available.
-func (task *probeTask) resultLocked(duration time.Duration, now time.Time) (probe.Result, bool) {
-	agg := task.aggregateLocked(duration, now)
-	hourAgg := task.aggregateLocked(time.Hour, now)
-	if !agg.hasData() {
-		return nil, false
-	}
-
-	result := agg.result()
-	loss1m := result[3]
-	response1h := hourAgg.avgResponse()
-	loss1h := hourAgg.lossPercentage()
-	if hourAgg.successCount > 0 {
-		return probe.Result{
-			result[0],
-			response1h,
-			float64(hourAgg.minUs),
-			float64(hourAgg.maxUs),
-			loss1m,
-			loss1h,
-		}, true
-	}
-	return probe.Result{result[0], response1h, 0, 0, loss1m, loss1h}, true
-}
-
-// aggregateSamplesSince aggregates raw samples newer than the cutoff.
-func aggregateSamplesSince(samples []probeSample, cutoff time.Time) probeAggregate {
-	agg := newProbeAggregate()
-	for _, sample := range samples {
-		if sample.timestamp.Before(cutoff) {
-			continue
-		}
-		agg.addResponse(sample.responseUs)
-	}
-	return agg
-}
-
-// aggregateBucketsSince aggregates minute buckets overlapping the requested window.
-func aggregateBucketsSince(buckets []probeBucket, cutoff, now time.Time) probeAggregate {
-	agg := newProbeAggregate()
-	startMinute := int32(cutoff.Unix() / 60)
-	endMinute := int32(now.Unix() / 60)
-	for _, bucket := range buckets {
-		if !bucket.filled || bucket.minute < startMinute || bucket.minute > endMinute {
-			continue
-		}
-		agg.addAggregate(bucket.stats)
-	}
-	return agg
-}
-
-// addSampleLocked stores a fresh sample in both raw and per-minute retention buffers.
-func (task *probeTask) addSampleLocked(sample probeSample) {
-	cutoff := sample.timestamp.Add(-probeRawRetention)
-	start := 0
-	for i := range task.samples {
-		if !task.samples[i].timestamp.Before(cutoff) {
-			start = i
-			break
-		}
-		if i == len(task.samples)-1 {
-			start = len(task.samples)
-		}
-	}
-	if start > 0 {
-		size := copy(task.samples, task.samples[start:])
-		task.samples = task.samples[:size]
-	}
-	task.samples = append(task.samples, sample)
-
-	minute := int32(sample.timestamp.Unix() / 60)
-	// Each slot stores one wall-clock minute, so the ring stays fixed-size at ~1h per probe.
-	bucket := &task.buckets[minute%probeMinuteBucketLen]
-	if !bucket.filled || bucket.minute != minute {
-		bucket.minute = minute
-		bucket.filled = true
-		bucket.stats = newProbeAggregate()
-	}
-	bucket.stats.addResponse(sample.responseUs)
-}
-
-// executeProbe runs the configured probe and records the sample.
-func (pm *ProbeManager) executeProbe(task *probeTask) {
-	var responseUs int64
-
-	switch task.config.Protocol {
-	case "icmp":
-		responseUs = probeICMP(task.config.Target)
-	case "tcp":
-		responseUs = probeTCP(task.config.Target, task.config.Port)
-	case "http":
-		responseUs = probeHTTP(pm.httpClient, task.config.Target)
-	default:
-		slog.Warn("unknown probe protocol", "protocol", task.config.Protocol)
-		return
-	}
-
-	sample := probeSample{
-		responseUs: responseUs,
-		timestamp:  time.Now(),
-	}
-
-	task.mu.Lock()
-	task.addSampleLocked(sample)
-	task.mu.Unlock()
-}
-
-// probeTCP measures pure TCP handshake response (excluding DNS resolution).
-// Returns -1 on failure.
-func probeTCP(target string, port uint16) int64 {
-	// Resolve DNS first, outside the timing window
-	ips, err := net.LookupHost(target)
-	if err != nil || len(ips) == 0 {
-		return -1
-	}
-	addr := net.JoinHostPort(ips[0], fmt.Sprintf("%d", port))
-
-	// Measure only the TCP handshake
-	start := time.Now()
-	conn, err := net.DialTimeout("tcp", addr, 3*time.Second)
-	if err != nil {
-		return -1
-	}
-	conn.Close()
-	return time.Since(start).Microseconds()
-}
-
-// probeHTTP measures HTTP GET request response in microseconds. Returns -1 on failure.
-func probeHTTP(client *http.Client, url string) int64 {
-	if client == nil {
-		client = http.DefaultClient
-	}
-	start := time.Now()
-	resp, err := client.Get(url)
-	if err != nil {
-		return -1
-	}
-	resp.Body.Close()
-	if resp.StatusCode >= 400 {
-		return -1
-	}
-	return time.Since(start).Microseconds()
-}

agent/probe_ping.go

@@ -1,243 +0,0 @@
-package agent
-
-import (
-	"math"
-	"net"
-	"os"
-	"os/exec"
-	"regexp"
-	"runtime"
-	"strconv"
-	"sync"
-	"time"
-
-	"golang.org/x/net/icmp"
-	"golang.org/x/net/ipv4"
-	"golang.org/x/net/ipv6"
-
-	"log/slog"
-)
-
-var pingTimeRegex = regexp.MustCompile(`time[=<]([\d.]+)\s*ms`)
-
-type icmpPacketConn interface {
-	Close() error
-}
-
-// icmpMethod tracks which ICMP approach to use. Once a method succeeds or
-// all native methods fail, the choice is cached so subsequent probes skip
-// the trial-and-error overhead.
-type icmpMethod int
-
-const (
-	icmpUntried      icmpMethod = iota // haven't tried yet
-	icmpRaw                            // privileged raw socket
-	icmpDatagram                       // unprivileged datagram socket
-	icmpExecFallback                   // shell out to system ping command
-)
-
-// icmpFamily holds the network parameters and cached detection result for one address family.
-type icmpFamily struct {
-	rawNetwork   string    // e.g. "ip4:icmp" or "ip6:ipv6-icmp"
-	dgramNetwork string    // e.g. "udp4" or "udp6"
-	listenAddr   string    // "0.0.0.0" or "::"
-	echoType     icmp.Type // outgoing echo request type
-	replyType    icmp.Type // expected echo reply type
-	proto        int       // IANA protocol number for parsing replies
-	isIPv6       bool
-	mode         icmpMethod // cached detection result (guarded by icmpModeMu)
-}
-
-var (
-	icmpV4 = icmpFamily{
-		rawNetwork:   "ip4:icmp",
-		dgramNetwork: "udp4",
-		listenAddr:   "0.0.0.0",
-		echoType:     ipv4.ICMPTypeEcho,
-		replyType:    ipv4.ICMPTypeEchoReply,
-		proto:        1,
-	}
-	icmpV6 = icmpFamily{
-		rawNetwork:   "ip6:ipv6-icmp",
-		dgramNetwork: "udp6",
-		listenAddr:   "::",
-		echoType:     ipv6.ICMPTypeEchoRequest,
-		replyType:    ipv6.ICMPTypeEchoReply,
-		proto:        58,
-		isIPv6:       true,
-	}
-	icmpModeMu sync.Mutex
-	icmpListen = func(network, listenAddr string) (icmpPacketConn, error) {
-		return icmp.ListenPacket(network, listenAddr)
-	}
-)
-
-// probeICMP sends an ICMP echo request and measures round-trip response.
-// Supports both IPv4 and IPv6 targets. The ICMP method (raw socket,
-// unprivileged datagram, or exec fallback) is detected once per address
-// family and cached for subsequent probes.
-// Returns response in microseconds, or -1 on failure.
-func probeICMP(target string) int64 {
-	family, ip := resolveICMPTarget(target)
-	if family == nil {
-		return -1
-	}
-
-	icmpModeMu.Lock()
-	if family.mode == icmpUntried {
-		family.mode = detectICMPMode(family, icmpListen)
-	}
-	mode := family.mode
-	icmpModeMu.Unlock()
-
-	switch mode {
-	case icmpRaw:
-		return probeICMPNative(family.rawNetwork, family, &net.IPAddr{IP: ip})
-	case icmpDatagram:
-		return probeICMPNative(family.dgramNetwork, family, &net.UDPAddr{IP: ip})
-	case icmpExecFallback:
-		return probeICMPExec(target, family.isIPv6)
-	default:
-		return -1
-	}
-}
-
-// resolveICMPTarget resolves a target hostname or IP to determine the address
-// family and concrete IP address. Prefers IPv4 for dual-stack hostnames.
-func resolveICMPTarget(target string) (*icmpFamily, net.IP) {
-	if ip := net.ParseIP(target); ip != nil {
-		if ip.To4() != nil {
-			return &icmpV4, ip.To4()
-		}
-		return &icmpV6, ip
-	}
-
-	ips, err := net.LookupIP(target)
-	if err != nil || len(ips) == 0 {
-		return nil, nil
-	}
-	for _, ip := range ips {
-		if v4 := ip.To4(); v4 != nil {
-			return &icmpV4, v4
-		}
-	}
-	return &icmpV6, ips[0]
-}
-
-func detectICMPMode(family *icmpFamily, listen func(network, listenAddr string) (icmpPacketConn, error)) icmpMethod {
-	label := "IPv4"
-	if family.isIPv6 {
-		label = "IPv6"
-	}
-
-	if conn, err := listen(family.rawNetwork, family.listenAddr); err == nil {
-		conn.Close()
-		slog.Info("ICMP probe using raw socket", "family", label)
-		return icmpRaw
-	} else {
-		slog.Debug("ICMP raw socket unavailable", "family", label, "err", err)
-	}
-
-	if conn, err := listen(family.dgramNetwork, family.listenAddr); err == nil {
-		conn.Close()
-		slog.Info("ICMP probe using unprivileged datagram socket", "family", label)
-		return icmpDatagram
-	} else {
-		slog.Debug("ICMP datagram socket unavailable", "family", label, "err", err)
-	}
-
-	slog.Info("ICMP probe falling back to system ping command", "family", label)
-	return icmpExecFallback
-}
-
-// probeICMPNative sends an ICMP echo request using Go's x/net/icmp package.
-func probeICMPNative(network string, family *icmpFamily, dst net.Addr) int64 {
-	conn, err := icmp.ListenPacket(network, family.listenAddr)
-	if err != nil {
-		return -1
-	}
-	defer conn.Close()
-
-	// Build ICMP echo request
-	msg := &icmp.Message{
-		Type: family.echoType,
-		Code: 0,
-		Body: &icmp.Echo{
-			ID:   os.Getpid() & 0xffff,
-			Seq:  1,
-			Data: []byte("beszel-probe"),
-		},
-	}
-	msgBytes, err := msg.Marshal(nil)
-	if err != nil {
-		return -1
-	}
-
-	// Set deadline before sending
-	conn.SetDeadline(time.Now().Add(3 * time.Second))
-
-	start := time.Now()
-	if _, err := conn.WriteTo(msgBytes, dst); err != nil {
-		return -1
-	}
-
-	// Read reply
-	buf := make([]byte, 1500)
-	for {
-		n, _, err := conn.ReadFrom(buf)
-		if err != nil {
-			return -1
-		}
-
-		reply, err := icmp.ParseMessage(family.proto, buf[:n])
-		if err != nil {
-			return -1
-		}
-
-		if reply.Type == family.replyType {
-			return time.Since(start).Microseconds()
-		}
-		// Ignore non-echo-reply messages (e.g. destination unreachable) and keep reading
-	}
-}
-
-// probeICMPExec falls back to the system ping command. Returns -1 on failure.
-func probeICMPExec(target string, isIPv6 bool) int64 {
-	var cmd *exec.Cmd
-	switch runtime.GOOS {
-	case "windows":
-		if isIPv6 {
-			cmd = exec.Command("ping", "-6", "-n", "1", "-w", "3000", target)
-		} else {
-			cmd = exec.Command("ping", "-n", "1", "-w", "3000", target)
-		}
-	default: // linux, darwin, freebsd
-		if isIPv6 {
-			cmd = exec.Command("ping", "-6", "-c", "1", "-W", "3", target)
-		} else {
-			cmd = exec.Command("ping", "-c", "1", "-W", "3", target)
-		}
-	}
-
-	start := time.Now()
-	output, err := cmd.Output()
-	if err != nil {
-		// If ping fails but we got output, still try to parse
-		if len(output) == 0 {
-			return -1
-		}
-	}
-
-	matches := pingTimeRegex.FindSubmatch(output)
-	if len(matches) >= 2 {
-		if ms, err := strconv.ParseFloat(string(matches[1]), 64); err == nil {
-			return int64(math.Round(ms * 1000))
-		}
-	}
-
-	// Fallback: use wall clock time if ping succeeded but parsing failed
-	if err == nil {
-		return time.Since(start).Microseconds()
-	}
-	return -1
-}

agent/probe_ping_test.go

@@ -1,118 +0,0 @@
-//go:build testing
-
-package agent
-
-import (
-	"errors"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-type testICMPPacketConn struct{}
-
-func (testICMPPacketConn) Close() error { return nil }
-
-func TestDetectICMPMode(t *testing.T) {
-	tests := []struct {
-		name         string
-		family       *icmpFamily
-		rawErr       error
-		udpErr       error
-		want         icmpMethod
-		wantNetworks []string
-	}{
-		{
-			name:         "IPv4 prefers raw socket when available",
-			family:       &icmpV4,
-			want:         icmpRaw,
-			wantNetworks: []string{"ip4:icmp"},
-		},
-		{
-			name:         "IPv4 uses datagram when raw unavailable",
-			family:       &icmpV4,
-			rawErr:       errors.New("operation not permitted"),
-			want:         icmpDatagram,
-			wantNetworks: []string{"ip4:icmp", "udp4"},
-		},
-		{
-			name:         "IPv4 falls back to exec when both unavailable",
-			family:       &icmpV4,
-			rawErr:       errors.New("operation not permitted"),
-			udpErr:       errors.New("protocol not supported"),
-			want:         icmpExecFallback,
-			wantNetworks: []string{"ip4:icmp", "udp4"},
-		},
-		{
-			name:         "IPv6 prefers raw socket when available",
-			family:       &icmpV6,
-			want:         icmpRaw,
-			wantNetworks: []string{"ip6:ipv6-icmp"},
-		},
-		{
-			name:         "IPv6 uses datagram when raw unavailable",
-			family:       &icmpV6,
-			rawErr:       errors.New("operation not permitted"),
-			want:         icmpDatagram,
-			wantNetworks: []string{"ip6:ipv6-icmp", "udp6"},
-		},
-		{
-			name:         "IPv6 falls back to exec when both unavailable",
-			family:       &icmpV6,
-			rawErr:       errors.New("operation not permitted"),
-			udpErr:       errors.New("protocol not supported"),
-			want:         icmpExecFallback,
-			wantNetworks: []string{"ip6:ipv6-icmp", "udp6"},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			calls := make([]string, 0, 2)
-			listen := func(network, listenAddr string) (icmpPacketConn, error) {
-				require.Equal(t, tt.family.listenAddr, listenAddr)
-				calls = append(calls, network)
-				switch network {
-				case tt.family.rawNetwork:
-					if tt.rawErr != nil {
-						return nil, tt.rawErr
-					}
-				case tt.family.dgramNetwork:
-					if tt.udpErr != nil {
-						return nil, tt.udpErr
-					}
-				default:
-					t.Fatalf("unexpected network %q", network)
-				}
-				return testICMPPacketConn{}, nil
-			}
-
-			assert.Equal(t, tt.want, detectICMPMode(tt.family, listen))
-			assert.Equal(t, tt.wantNetworks, calls)
-		})
-	}
-}
-
-func TestResolveICMPTarget(t *testing.T) {
-	t.Run("IPv4 literal", func(t *testing.T) {
-		family, ip := resolveICMPTarget("127.0.0.1")
-		require.NotNil(t, family)
-		assert.False(t, family.isIPv6)
-		assert.Equal(t, "127.0.0.1", ip.String())
-	})
-
-	t.Run("IPv6 literal", func(t *testing.T) {
-		family, ip := resolveICMPTarget("::1")
-		require.NotNil(t, family)
-		assert.True(t, family.isIPv6)
-		assert.Equal(t, "::1", ip.String())
-	})
-
-	t.Run("IPv4-mapped IPv6 resolves as IPv4", func(t *testing.T) {
-		family, ip := resolveICMPTarget("::ffff:127.0.0.1")
-		require.NotNil(t, family)
-		assert.False(t, family.isIPv6)
-		assert.Equal(t, "127.0.0.1", ip.String())
-	})
-}

agent/probe_test.go

@@ -1,346 +0,0 @@
-package agent
-
-import (
-	"net"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-	"time"
-
-	"github.com/henrygd/beszel/internal/entities/probe"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestProbeTaskAggregateLockedUsesRawSamplesForShortWindows(t *testing.T) {
-	now := time.Date(2026, time.April, 21, 12, 0, 0, 0, time.UTC)
-	task := &probeTask{}
-
-	task.addSampleLocked(probeSample{responseUs: 10, timestamp: now.Add(-90 * time.Second)})
-	task.addSampleLocked(probeSample{responseUs: 20, timestamp: now.Add(-30 * time.Second)})
-	task.addSampleLocked(probeSample{responseUs: -1, timestamp: now.Add(-10 * time.Second)})
-
-	agg := task.aggregateLocked(time.Minute, now)
-	require.True(t, agg.hasData())
-	assert.Equal(t, int64(2), agg.totalCount)
-	assert.Equal(t, int64(1), agg.successCount)
-	assert.Equal(t, 20.0, agg.result()[0])
-	assert.Equal(t, 20.0, agg.result()[1])
-	assert.Equal(t, 20.0, agg.result()[2])
-	assert.Equal(t, 50.0, agg.result()[3])
-}
-
-func TestProbeTaskAggregateLockedUsesMinuteBucketsForLongWindows(t *testing.T) {
-	now := time.Date(2026, time.April, 21, 12, 0, 30, 0, time.UTC)
-	task := &probeTask{}
-
-	task.addSampleLocked(probeSample{responseUs: 10, timestamp: now.Add(-11 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 20, timestamp: now.Add(-9 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 40, timestamp: now.Add(-5 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: -1, timestamp: now.Add(-90 * time.Second)})
-	task.addSampleLocked(probeSample{responseUs: 30, timestamp: now.Add(-30 * time.Second)})
-
-	agg := task.aggregateLocked(10*time.Minute, now)
-	require.True(t, agg.hasData())
-	assert.Equal(t, int64(4), agg.totalCount)
-	assert.Equal(t, int64(3), agg.successCount)
-	assert.Equal(t, 30.0, agg.result()[0])
-	assert.Equal(t, 20.0, agg.result()[1])
-	assert.Equal(t, 40.0, agg.result()[2])
-	assert.Equal(t, 25.0, agg.result()[3])
-}
-
-func TestProbeTaskAddSampleLockedTrimsRawSamplesButKeepsBucketHistory(t *testing.T) {
-	now := time.Date(2026, time.April, 21, 12, 0, 0, 0, time.UTC)
-	task := &probeTask{}
-
-	task.addSampleLocked(probeSample{responseUs: 10, timestamp: now.Add(-10 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 20, timestamp: now})
-
-	require.Len(t, task.samples, 1)
-	assert.Equal(t, int64(20), task.samples[0].responseUs)
-
-	agg := task.aggregateLocked(10*time.Minute, now)
-	require.True(t, agg.hasData())
-	assert.Equal(t, int64(2), agg.totalCount)
-	assert.Equal(t, int64(2), agg.successCount)
-	assert.Equal(t, 15.0, agg.result()[0])
-	assert.Equal(t, 10.0, agg.result()[1])
-	assert.Equal(t, 20.0, agg.result()[2])
-	assert.Equal(t, 0.0, agg.result()[3])
-}
-
-func TestProbeManagerGetResultsIncludesHourResponseRange(t *testing.T) {
-	now := time.Now().UTC()
-	task := &probeTask{config: probe.Config{ID: "probe-1"}}
-	task.addSampleLocked(probeSample{responseUs: 10, timestamp: now.Add(-30 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 20, timestamp: now.Add(-9 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 40, timestamp: now.Add(-5 * time.Minute)})
-	task.addSampleLocked(probeSample{responseUs: 30, timestamp: now.Add(-50 * time.Second)})
-	task.addSampleLocked(probeSample{responseUs: -1, timestamp: now.Add(-30 * time.Second)})
-
-	pm := &ProbeManager{probes: map[string]*probeTask{"icmp:example.com": task}}
-
-	results := pm.GetResults(uint16(time.Minute / time.Millisecond))
-	result, ok := results["probe-1"]
-	require.True(t, ok)
-	require.Len(t, result, 6)
-	assert.Equal(t, 30.0, result[0])
-	assert.Equal(t, 25.0, result[1])
-	assert.Equal(t, 10.0, result[2])
-	assert.Equal(t, 40.0, result[3])
-	assert.Equal(t, 50.0, result[4])
-	assert.Equal(t, 20.0, result[5])
-}
-
-func TestProbeManagerGetResultsIncludesLossOnlyHourData(t *testing.T) {
-	now := time.Now().UTC()
-	task := &probeTask{config: probe.Config{ID: "probe-1"}}
-	task.addSampleLocked(probeSample{responseUs: -1, timestamp: now.Add(-30 * time.Second)})
-	task.addSampleLocked(probeSample{responseUs: -1, timestamp: now.Add(-10 * time.Second)})
-
-	pm := &ProbeManager{probes: map[string]*probeTask{"icmp:example.com": task}}
-
-	results := pm.GetResults(uint16(time.Minute / time.Millisecond))
-	result, ok := results["probe-1"]
-	require.True(t, ok)
-	require.Len(t, result, 6)
-	assert.Equal(t, 0.0, result[0])
-	assert.Equal(t, 0.0, result[1])
-	assert.Equal(t, 0.0, result[2])
-	assert.Equal(t, 0.0, result[3])
-	assert.Equal(t, 100.0, result[4])
-	assert.Equal(t, 100.0, result[5])
-}
-
-func TestProbeConfigResultKeyUsesSyncedID(t *testing.T) {
-	cfg := probe.Config{ID: "probe-1", Target: "1.1.1.1", Protocol: "icmp", Interval: 10}
-	assert.Equal(t, "probe-1", cfg.ID)
-}
-
-func TestProbeManagerSyncProbesSkipsConfigsWithoutStableID(t *testing.T) {
-	validCfg := probe.Config{ID: "probe-1", Target: "ignored", Protocol: "noop", Interval: 10}
-	invalidCfg := probe.Config{Target: "ignored", Protocol: "noop", Interval: 10}
-
-	pm := newProbeManager()
-	pm.SyncProbes([]probe.Config{validCfg, invalidCfg})
-	defer pm.Stop()
-
-	_, validExists := pm.probes[validCfg.ID]
-	_, invalidExists := pm.probes[invalidCfg.ID]
-	assert.True(t, validExists)
-	assert.False(t, invalidExists)
-}
-
-func TestProbeManagerSyncProbesStopsRemovedTasksButKeepsExisting(t *testing.T) {
-	keepCfg := probe.Config{ID: "probe-1", Target: "ignored", Protocol: "noop", Interval: 10}
-	removeCfg := probe.Config{ID: "probe-2", Target: "ignored", Protocol: "noop", Interval: 10}
-
-	keptTask := &probeTask{config: keepCfg, cancel: make(chan struct{})}
-	removedTask := &probeTask{config: removeCfg, cancel: make(chan struct{})}
-	pm := &ProbeManager{
-		probes: map[string]*probeTask{
-			keepCfg.ID:   keptTask,
-			removeCfg.ID: removedTask,
-		},
-	}
-
-	pm.SyncProbes([]probe.Config{keepCfg})
-
-	assert.Same(t, keptTask, pm.probes[keepCfg.ID])
-	_, exists := pm.probes[removeCfg.ID]
-	assert.False(t, exists)
-
-	select {
-	case <-removedTask.cancel:
-	default:
-		t.Fatal("expected removed probe task to be cancelled")
-	}
-
-	select {
-	case <-keptTask.cancel:
-		t.Fatal("expected existing probe task to remain active")
-	default:
-	}
-}
-
-func TestProbeManagerSyncProbesRestartsChangedConfig(t *testing.T) {
-	originalCfg := probe.Config{ID: "probe-1", Target: "ignored-a", Protocol: "noop", Interval: 10}
-	updatedCfg := probe.Config{ID: "probe-1", Target: "ignored-b", Protocol: "noop", Interval: 10}
-	originalTask := &probeTask{config: originalCfg, cancel: make(chan struct{})}
-	pm := &ProbeManager{
-		probes: map[string]*probeTask{
-			originalCfg.ID: originalTask,
-		},
-	}
-
-	pm.SyncProbes([]probe.Config{updatedCfg})
-	defer pm.Stop()
-
-	restartedTask := pm.probes[updatedCfg.ID]
-	assert.NotSame(t, originalTask, restartedTask)
-	assert.Equal(t, updatedCfg, restartedTask.config)
-
-	select {
-	case <-originalTask.cancel:
-	default:
-		t.Fatal("expected changed probe task to be cancelled")
-	}
-}
-
-func TestProbeManagerApplySyncUpsertRunsImmediatelyAndReturnsResult(t *testing.T) {
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusNoContent)
-	}))
-	defer server.Close()
-
-	pm := &ProbeManager{
-		probes:     make(map[string]*probeTask),
-		httpClient: server.Client(),
-	}
-
-	resp, err := pm.HandleSyncRequest(probe.SyncRequest{
-		Action: probe.SyncActionUpsert,
-		Config: probe.Config{ID: "probe-1", Target: server.URL, Protocol: "http", Interval: 10},
-		RunNow: true,
-	})
-	defer pm.Stop()
-
-	require.NoError(t, err)
-	require.Len(t, resp.Result, 6)
-	assert.GreaterOrEqual(t, resp.Result[0], 0.0)
-	assert.Equal(t, 0.0, resp.Result[4])
-	assert.Equal(t, 0.0, resp.Result[5])
-
-	task := pm.probes["probe-1"]
-	require.NotNil(t, task)
-	task.mu.Lock()
-	defer task.mu.Unlock()
-	require.Len(t, task.samples, 1)
-}
-
-func TestProbeManagerUpsertProbeKeepsHistoryWhenOnlyIntervalChanges(t *testing.T) {
-	originalCfg := probe.Config{ID: "probe-1", Target: "1.1.1.1", Protocol: "icmp", Interval: 10}
-	updatedCfg := probe.Config{ID: "probe-1", Target: "1.1.1.1", Protocol: "icmp", Interval: 30}
-	now := time.Now().UTC()
-
-	existingTask := &probeTask{config: originalCfg, cancel: make(chan struct{})}
-	existingTask.addSampleLocked(probeSample{responseUs: 12, timestamp: now.Add(-50 * time.Minute)})
-	existingTask.addSampleLocked(probeSample{responseUs: 24, timestamp: now.Add(-30 * time.Second)})
-
-	pm := &ProbeManager{
-		probes: map[string]*probeTask{originalCfg.ID: existingTask},
-	}
-
-	result, err := pm.UpsertProbe(updatedCfg, false)
-	defer pm.Stop()
-
-	require.NoError(t, err)
-	assert.Nil(t, result)
-
-	updatedTask := pm.probes[updatedCfg.ID]
-	require.NotNil(t, updatedTask)
-	assert.NotSame(t, existingTask, updatedTask)
-	assert.Equal(t, updatedCfg, updatedTask.config)
-
-	updatedTask.mu.Lock()
-	defer updatedTask.mu.Unlock()
-	require.Len(t, updatedTask.samples, 1)
-	assert.Equal(t, int64(24), updatedTask.samples[0].responseUs)
-
-	agg := updatedTask.aggregateLocked(time.Hour, now)
-	require.True(t, agg.hasData())
-	assert.Equal(t, int64(2), agg.totalCount)
-	assert.Equal(t, int64(2), agg.successCount)
-	assert.Equal(t, 18.0, agg.avgResponse())
-
-	select {
-	case <-existingTask.cancel:
-	default:
-		t.Fatal("expected original probe task to be cancelled")
-	}
-}
-
-func TestProbeManagerApplySyncDeleteRemovesTask(t *testing.T) {
-	config := probe.Config{ID: "probe-1", Target: "1.1.1.1", Protocol: "icmp", Interval: 10}
-	task := &probeTask{config: config, cancel: make(chan struct{})}
-	pm := &ProbeManager{
-		probes: map[string]*probeTask{config.ID: task},
-	}
-
-	_, err := pm.HandleSyncRequest(probe.SyncRequest{
-		Action: probe.SyncActionDelete,
-		Config: probe.Config{ID: config.ID},
-	})
-
-	require.NoError(t, err)
-	_, exists := pm.probes[config.ID]
-	assert.False(t, exists)
-
-	select {
-	case <-task.cancel:
-	default:
-		t.Fatal("expected deleted probe task to be cancelled")
-	}
-}
-
-func TestProbeManagerGetRandomDelay(t *testing.T) {
-	for i := 1000; i < 360_000; i += 1000 {
-		delay := getStagger(int64(i))
-		assert.GreaterOrEqual(t, delay, time.Duration(i/2)*time.Millisecond)
-		assert.LessOrEqual(t, delay, time.Duration(i)*time.Millisecond)
-	}
-}
-
-func TestProbeHTTP(t *testing.T) {
-	t.Run("success", func(t *testing.T) {
-		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			w.WriteHeader(http.StatusNoContent)
-		}))
-		defer server.Close()
-
-		responseUs := probeHTTP(server.Client(), server.URL)
-		assert.GreaterOrEqual(t, responseUs, int64(0))
-	})
-
-	t.Run("server error", func(t *testing.T) {
-		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			http.Error(w, "boom", http.StatusInternalServerError)
-		}))
-		defer server.Close()
-
-		assert.Equal(t, int64(-1), probeHTTP(server.Client(), server.URL))
-	})
-}
-
-func TestProbeTCP(t *testing.T) {
-	t.Run("success", func(t *testing.T) {
-		listener, err := net.Listen("tcp", "127.0.0.1:0")
-		require.NoError(t, err)
-		defer listener.Close()
-
-		accepted := make(chan struct{})
-		go func() {
-			defer close(accepted)
-			conn, err := listener.Accept()
-			if err == nil {
-				_ = conn.Close()
-			}
-		}()
-
-		port := uint16(listener.Addr().(*net.TCPAddr).Port)
-		responseUs := probeTCP("127.0.0.1", port)
-		assert.GreaterOrEqual(t, responseUs, int64(0))
-		<-accepted
-	})
-
-	t.Run("connection failure", func(t *testing.T) {
-		listener, err := net.Listen("tcp", "127.0.0.1:0")
-		require.NoError(t, err)
-
-		port := uint16(listener.Addr().(*net.TCPAddr).Port)
-		require.NoError(t, listener.Close())
-
-		assert.Equal(t, int64(-1), probeTCP("127.0.0.1", port))
-	})
-}

agent/response.go

@@ -21,6 +21,9 @@ func newAgentResponse(data any, requestID *uint32) common.AgentResponse {
 		response.String = &v
 	case map[string]smart.SmartData:
 		response.SmartData = v
+	case smart.SmartDataResponse:
+		response.SmartData = v.Data
+		response.SmartComplete = v.Complete
 	case systemd.ServiceDetails:
 		response.ServiceInfo = v
 	default:

agent/server.go

@@ -29,9 +29,6 @@ type ServerOptions struct {
 	Keys    []gossh.PublicKey // SSH public keys for authentication
 }
 
-// hubVersions caches hub versions by session ID to avoid repeated parsing.
-var hubVersions map[string]semver.Version
-
 // StartServer starts the SSH server with the provided options.
 // It configures the server with secure defaults, sets up authentication,
 // and begins listening for connections. Returns an error if the server
@@ -99,24 +96,15 @@ func (a *Agent) StartServer(opts ServerOptions) error {
 	return a.server.Serve(ln)
 }
 
-// getHubVersion retrieves and caches the hub version for a given session.
-// It extracts the version from the SSH client version string and caches
-// it to avoid repeated parsing. Returns a zero version if parsing fails.
-func (a *Agent) getHubVersion(sessionId string, sessionCtx ssh.Context) semver.Version {
-	if hubVersions == nil {
-		hubVersions = make(map[string]semver.Version, 1)
-	}
-	hubVersion, ok := hubVersions[sessionId]
-	if ok {
-		return hubVersion
-	}
-	// Extract hub version from SSH client version
+// getHubVersion extracts the hub version from the SSH client version string
+// for a given session. Returns a zero version if parsing fails.
+func (a *Agent) getHubVersion(sessionCtx ssh.Context) semver.Version {
 	clientVersion := sessionCtx.Value(ssh.ContextKeyClientVersion)
 	if versionStr, ok := clientVersion.(string); ok {
-		hubVersion, _ = extractHubVersion(versionStr)
+		hubVersion, _ := extractHubVersion(versionStr)
+		return hubVersion
 	}
-	hubVersions[sessionId] = hubVersion
-	return hubVersion
+	return semver.Version{}
 }
 
 // handleSession handles an incoming SSH session by gathering system statistics
@@ -127,9 +115,8 @@ func (a *Agent) handleSession(s ssh.Session) {
 	a.connectionManager.eventChan <- SSHConnect
 
 	sessionCtx := s.Context()
-	sessionID := sessionCtx.SessionID()
 
-	hubVersion := a.getHubVersion(sessionID, sessionCtx)
+	hubVersion := a.getHubVersion(sessionCtx)
 
 	// Legacy one-shot behavior for older hubs
 	if hubVersion.LT(beszel.MinVersionAgentResponse) {

agent/server_test.go

@@ -404,27 +404,23 @@ func TestGetHubVersion(t *testing.T) {
 		clientVersion: "SSH-2.0-beszel_0.12.0",
 	}
 
-	// Test first call - should extract and cache version
-	version := agent.getHubVersion("test-session-123", mockCtx)
+	// Test first call - should extract version
+	version := agent.getHubVersion(mockCtx)
 	assert.Equal(t, "0.12.0", version.String())
 
-	// Test second call - should return cached version
-	mockCtx.clientVersion = "SSH-2.0-beszel_0.11.0" // Change version but should still return cached
-	version = agent.getHubVersion("test-session-123", mockCtx)
-	assert.Equal(t, "0.12.0", version.String()) // Should still be cached version
-
-	// Test different session - should extract new version
-	version = agent.getHubVersion("different-session", mockCtx)
+	// Test that version reflects the current client version (no stale caching)
+	mockCtx.clientVersion = "SSH-2.0-beszel_0.11.0"
+	version = agent.getHubVersion(mockCtx)
 	assert.Equal(t, "0.11.0", version.String())
 
 	// Test with invalid version string (non-beszel client)
 	mockCtx.clientVersion = "SSH-2.0-OpenSSH_8.0"
-	version = agent.getHubVersion("invalid-session", mockCtx)
+	version = agent.getHubVersion(mockCtx)
 	assert.Equal(t, "0.0.0", version.String()) // Should be empty version for non-beszel clients
 
 	// Test with no client version
 	mockCtx.clientVersion = ""
-	version = agent.getHubVersion("no-version-session", mockCtx)
+	version = agent.getHubVersion(mockCtx)
 	assert.True(t, version.EQ(semver.Version{})) // Should be empty version
 }
 
@@ -501,9 +497,6 @@ func TestWriteToSessionEncoding(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			// Reset the global hubVersions map to ensure clean state for each test
-			hubVersions = nil
-
 			agent, err := NewAgent("")
 			require.NoError(t, err)
 
@@ -585,39 +578,28 @@ func createTestCombinedData() *system.CombinedData {
 	}
 }
 
-func TestHubVersionCaching(t *testing.T) {
-	// Reset the global hubVersions map to ensure clean state
-	hubVersions = nil
-
+// TestGetHubVersionConcurrent guards against a regression of the
+// "concurrent map writes" panic previously caused by a shared, unsynchronized
+// hubVersions cache (see https://github.com/henrygd/beszel/issues/2128).
+// getHubVersion no longer shares mutable state between sessions, so calling
+// it concurrently from many goroutines must be safe under `go test -race`.
+func TestGetHubVersionConcurrent(t *testing.T) {
 	agent, err := NewAgent("")
 	require.NoError(t, err)
 
-	ctx1 := &mockSSHContext{
-		sessionID:     "session1",
-		clientVersion: "SSH-2.0-beszel_0.12.0",
+	const goroutines = 50
+	var wg sync.WaitGroup
+	wg.Add(goroutines)
+	for i := 0; i < goroutines; i++ {
+		go func(i int) {
+			defer wg.Done()
+			ctx := &mockSSHContext{
+				sessionID:     fmt.Sprintf("session-%d", i),
+				clientVersion: "SSH-2.0-beszel_0.12.0",
+			}
+			version := agent.getHubVersion(ctx)
+			assert.Equal(t, "0.12.0", version.String())
+		}(i)
 	}
-	ctx2 := &mockSSHContext{
-		sessionID:     "session2",
-		clientVersion: "SSH-2.0-beszel_0.11.0",
-	}
-
-	// First calls should cache the versions
-	v1 := agent.getHubVersion("session1", ctx1)
-	v2 := agent.getHubVersion("session2", ctx2)
-
-	assert.Equal(t, "0.12.0", v1.String())
-	assert.Equal(t, "0.11.0", v2.String())
-
-	// Verify caching by changing context but keeping same session ID
-	ctx1.clientVersion = "SSH-2.0-beszel_0.10.0"
-	v1Cached := agent.getHubVersion("session1", ctx1)
-	assert.Equal(t, "0.12.0", v1Cached.String()) // Should still be cached version
-
-	// New session should get new version
-	ctx3 := &mockSSHContext{
-		sessionID:     "session3",
-		clientVersion: "SSH-2.0-beszel_0.13.0",
-	}
-	v3 := agent.getHubVersion("session3", ctx3)
-	assert.Equal(t, "0.13.0", v3.String())
+	wg.Wait()
 }

agent/smart.go

@@ -55,6 +55,11 @@ type DeviceInfo struct {
 	typeVerified bool
 	// parserType holds the parser type (nvme, sat, scsi) that last succeeded.
 	parserType string
+	// explicitType reports whether Type came from an explicit ":type" hint in
+	// SMART_DEVICES. Such a type is a deliberate user override and must always be
+	// passed to smartctl via -d, even for scsi/ata where a scan-detected type is
+	// otherwise left off (see smartctlArgs and issue #1345).
+	explicitType bool
 }
 
 // deviceKey is a composite key for a device, used to identify a device uniquely.
@@ -65,8 +70,9 @@ type deviceKey struct {
 
 var errNoValidSmartData = fmt.Errorf("no valid SMART data found") // Error for missing data
 
-// Refresh updates SMART data for all known devices
-func (sm *SmartManager) Refresh(forceScan bool) error {
+// Refresh updates SMART data for all known devices and reports whether every
+// discovered device was collected successfully.
+func (sm *SmartManager) Refresh(forceScan bool) (bool, error) {
 	sm.refreshMutex.Lock()
 	defer sm.refreshMutex.Unlock()
 
@@ -87,7 +93,7 @@ func (sm *SmartManager) Refresh(forceScan bool) error {
 		}
 	}
 
-	return sm.resolveRefreshError(scanErr, collectErr)
+	return scanErr == nil && collectErr == nil, sm.resolveRefreshError(scanErr, collectErr)
 }
 
 // devicesSnapshot returns a copy of the current device slice to avoid iterating
@@ -251,8 +257,9 @@ func (sm *SmartManager) parseConfiguredDevices(config string) ([]*DeviceInfo, er
 		}
 
 		devices = append(devices, &DeviceInfo{
-			Name: name,
-			Type: devType,
+			Name:         name,
+			Type:         devType,
+			explicitType: devType != "",
 		})
 	}
 
@@ -558,7 +565,9 @@ func (sm *SmartManager) smartctlArgs(deviceInfo *DeviceInfo, includeStandby bool
 		deviceType = strings.ToLower(deviceInfo.Type)
 		parserType = strings.ToLower(deviceInfo.parserType)
 		// types sometimes misidentified in scan; see github.com/henrygd/beszel/issues/1345
-		if deviceType != "" && deviceType != "scsi" && deviceType != "ata" {
+		// An explicit SMART_DEVICES ":type" hint is a deliberate override, so always
+		// pass it through; otherwise scsi/ata are left off so smartctl can auto-detect.
+		if deviceType != "" && (deviceInfo.explicitType || (deviceType != "scsi" && deviceType != "ata")) {
 			args = append(args, "-d", deviceInfo.Type)
 		}
 	}
@@ -663,6 +672,9 @@ func mergeDeviceLists(existing, scanned, configured []*DeviceInfo) []*DeviceInfo
 		target.Type = prev.Type
 		target.typeVerified = true
 		target.parserType = prev.parserType
+		if prev.explicitType {
+			target.explicitType = true
+		}
 	}
 
 	// applyConfiguredMetadata updates a matched device with any configured
@@ -676,6 +688,9 @@ func mergeDeviceLists(existing, scanned, configured []*DeviceInfo) []*DeviceInfo
 			existingDev.typeVerified = false
 			existingDev.parserType = normalizeParserType(newType)
 		}
+		if configuredDev.explicitType {
+			existingDev.explicitType = true
+		}
 		if configuredDev.InfoName != "" {
 			existingDev.InfoName = configuredDev.InfoName
 		}

agent/smart_test.go

@@ -392,6 +392,81 @@ func TestSmartctlArgs(t *testing.T) {
 	)
 }
 
+// TestSmartctlArgsExplicitType verifies that an explicit SMART_DEVICES type hint
+// is always passed to smartctl via -d, while a scan-detected scsi/ata type is
+// still left off so smartctl can auto-detect it (see issue #1345).
+func TestSmartctlArgsExplicitType(t *testing.T) {
+	sm := &SmartManager{}
+
+	// Scan-detected scsi: -d is intentionally omitted.
+	scanScsi := &DeviceInfo{Name: "/dev/sda", Type: "scsi"}
+	assert.Equal(t,
+		[]string{"-a", "--json=c", "/dev/sda"},
+		sm.smartctlArgs(scanScsi, false),
+	)
+
+	// Explicit scsi from SMART_DEVICES: -d scsi must be passed.
+	explicitScsi := &DeviceInfo{Name: "/dev/sda", Type: "scsi", explicitType: true}
+	assert.Equal(t,
+		[]string{"-d", "scsi", "-a", "--json=c", "/dev/sda"},
+		sm.smartctlArgs(explicitScsi, false),
+	)
+
+	// Explicit ata from SMART_DEVICES: -d ata must be passed (devstat still added).
+	explicitAta := &DeviceInfo{Name: "/dev/sdb", Type: "ata", explicitType: true}
+	assert.Equal(t,
+		[]string{"-d", "ata", "-a", "--json=c", "-l", "devstat", "/dev/sdb"},
+		sm.smartctlArgs(explicitAta, false),
+	)
+}
+
+// TestSmartDevicesExplicitTypeFlowsToSmartctlArgs is a regression test for
+// issue #2072: an explicit SMART_DEVICES type (e.g. /dev/sda:scsi) must win over
+// a wrong scan-detected type (sat) and be handed to smartctl as -d scsi.
+func TestSmartDevicesExplicitTypeFlowsToSmartctlArgs(t *testing.T) {
+	sm := &SmartManager{}
+
+	configured, err := sm.parseConfiguredDevices("/dev/sda:scsi")
+	require.NoError(t, err)
+	require.Len(t, configured, 1)
+	assert.True(t, configured[0].explicitType)
+
+	// smartctl --scan misreports this USB drive as sat, which fails on it.
+	scanned := []*DeviceInfo{
+		{Name: "/dev/sda", Type: "sat", Protocol: "ATA"},
+	}
+
+	merged := mergeDeviceLists(nil, scanned, configured)
+	require.Len(t, merged, 1)
+
+	device := merged[0]
+	assert.Equal(t, "scsi", device.Type, "configured type should win over scan-detected sat")
+	assert.True(t, device.explicitType, "explicit hint must survive the merge")
+
+	assert.Equal(t,
+		[]string{"-d", "scsi", "-a", "--json=c", "/dev/sda"},
+		sm.smartctlArgs(device, false),
+		"explicit scsi type must be passed to smartctl, not dropped",
+	)
+}
+
+// TestMergeDeviceListsPreservesExplicitTypeAcrossRescan ensures a verified,
+// explicitly-typed device keeps its explicit flag when a later scan re-reports
+// it with a different auto-detected type.
+func TestMergeDeviceListsPreservesExplicitTypeAcrossRescan(t *testing.T) {
+	existing := []*DeviceInfo{
+		{Name: "/dev/sda", Type: "scsi", parserType: "scsi", typeVerified: true, explicitType: true},
+	}
+	scanned := []*DeviceInfo{
+		{Name: "/dev/sda", Type: "sat"},
+	}
+
+	merged := mergeDeviceLists(existing, scanned, nil)
+	require.Len(t, merged, 1)
+	assert.Equal(t, "scsi", merged[0].Type)
+	assert.True(t, merged[0].explicitType, "explicit type flag should survive a rescan")
+}
+
 func TestResolveRefreshError(t *testing.T) {
 	scanErr := errors.New("scan failed")
 	collectErr := errors.New("collect failed")

agent/system.go

@@ -132,9 +132,14 @@ func (a *Agent) getSystemStats(cacheTimeMs uint16) system.Stats {
 	var systemStats system.Stats
 
 	// battery
-	if batteryPercent, batteryState, err := battery.GetBatteryStats(); err == nil {
-		systemStats.Battery[0] = batteryPercent
-		systemStats.Battery[1] = batteryState
+	if batteries, err := battery.GetBatteryStats(); err == nil {
+		systemStats.Batteries = make(map[string]uint8, len(batteries))
+		for _, device := range batteries {
+			systemStats.Batteries[device.Name] = device.Percent
+		}
+		if primary, ok := battery.Primary(batteries); ok {
+			systemStats.Battery = [2]uint8{primary.Percent, primary.State}
+		}
 	}
 
 	// cpu metrics
@@ -169,21 +174,11 @@ func (a *Agent) getSystemStats(cacheTimeMs uint16) system.Stats {
 
 	// memory
 	if v, err := mem.VirtualMemory(); err == nil {
+		used, cacheBuff, swapUsed := calculateHostMemoryUsage(v, a.memCalc == "htop")
 		// swap
 		systemStats.Swap = utils.BytesToGigabytes(v.SwapTotal)
-		systemStats.SwapUsed = utils.BytesToGigabytes(v.SwapTotal - v.SwapFree - v.SwapCached)
-		// cache + buffers value for default mem calculation
-		// note: gopsutil automatically adds SReclaimable to v.Cached
-		cacheBuff := v.Cached + v.Buffers - v.Shared
-		if cacheBuff <= 0 {
-			cacheBuff = max(v.Total-v.Free-v.Used, 0)
-		}
-		// htop memory calculation overrides (likely outdated as of mid 2025)
-		if a.memCalc == "htop" {
-			// cacheBuff = v.Cached + v.Buffers - v.Shared
-			v.Used = v.Total - (v.Free + cacheBuff)
-			v.UsedPercent = float64(v.Used) / float64(v.Total) * 100.0
-		}
+		systemStats.SwapUsed = utils.BytesToGigabytes(swapUsed)
+		v.Used = used
 		// if a.memCalc == "legacy" {
 		// 	v.Used = v.Total - v.Free - v.Buffers - v.Cached
 		// 	cacheBuff = v.Total - v.Free - v.Used
@@ -193,10 +188,14 @@ func (a *Agent) getSystemStats(cacheTimeMs uint16) system.Stats {
 		if a.zfs {
 			if arcSize, _ := zfs.ARCSize(); arcSize > 0 && arcSize < v.Used {
 				v.Used = v.Used - arcSize
-				v.UsedPercent = float64(v.Used) / float64(v.Total) * 100.0
 				systemStats.MemZfsArc = utils.BytesToGigabytes(arcSize)
 			}
 		}
+		if v.Total > 0 {
+			v.UsedPercent = float64(v.Used) / float64(v.Total) * 100.0
+		} else {
+			v.UsedPercent = 0
+		}
 		systemStats.Mem = utils.BytesToGigabytes(v.Total)
 		systemStats.MemBuffCache = utils.BytesToGigabytes(cacheBuff)
 		systemStats.MemUsed = utils.BytesToGigabytes(v.Used)
@@ -216,6 +215,9 @@ func (a *Agent) getSystemStats(cacheTimeMs uint16) system.Stats {
 	// TODO: maybe refactor to methods on systemStats
 	a.updateTemperatures(&systemStats)
 
+	// fan speeds (Linux-only; sysfs hwmon)
+	a.updateFans(&systemStats)
+
 	// GPU data
 	if a.gpuManager != nil {
 		// reset high gpu percent
@@ -263,6 +265,38 @@ func (a *Agent) getSystemStats(cacheTimeMs uint16) system.Stats {
 	return systemStats
 }
 
+// calculateHostMemoryUsage derives counters defensively because /proc/meminfo may
+// change while gopsutil reads it. Invalid unsigned subtractions saturate at zero.
+func calculateHostMemoryUsage(v *mem.VirtualMemoryStat, htop bool) (used, cacheBuff, swapUsed uint64) {
+	used = v.Used
+	if used > v.Total {
+		used = saturatingSub(v.Total, v.Available)
+	}
+
+	// gopsutil automatically adds SReclaimable to Cached.
+	cacheBuff = min(v.Cached, v.Total)
+	cacheBuff += min(v.Buffers, v.Total-cacheBuff)
+	cacheBuff = saturatingSub(cacheBuff, min(v.Shared, v.Total))
+	if v.Cached == 0 && v.Buffers == 0 {
+		cacheBuff = saturatingSub(v.Total, v.Free, used)
+	}
+	if htop {
+		used = saturatingSub(v.Total, v.Free, cacheBuff)
+	}
+	return used, cacheBuff, saturatingSub(v.SwapTotal, v.SwapFree, v.SwapCached)
+}
+
+// saturatingSub subtracts each value, returning zero on underflow.
+func saturatingSub(value uint64, subtrahends ...uint64) uint64 {
+	for _, subtrahend := range subtrahends {
+		if subtrahend > value {
+			return 0
+		}
+		value -= subtrahend
+	}
+	return value
+}
+
 // getOsPrettyName attempts to get the pretty OS name from /etc/os-release on Linux systems
 func getOsPrettyName() (string, error) {
 	file, err := os.Open("/etc/os-release")

agent/system_test.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/henrygd/beszel/internal/common"
 	"github.com/henrygd/beszel/internal/entities/system"
+	"github.com/shirou/gopsutil/v4/mem"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -33,6 +34,59 @@ func TestGatherStatsDoesNotAttachDetailsToCachedRequests(t *testing.T) {
 	assert.Nil(t, secondResponse.Details)
 }
 
+func TestCalculateHostMemoryUsage(t *testing.T) {
+	tests := []struct {
+		name                      string
+		memory                    mem.VirtualMemoryStat
+		htop                      bool
+		used, cacheBuff, swapUsed uint64
+	}{
+		{
+			name:      "normal",
+			memory:    mem.VirtualMemoryStat{Total: 100, Available: 40, Used: 60, Free: 20, Cached: 25, Buffers: 10, Shared: 5, SwapTotal: 20, SwapFree: 8, SwapCached: 2},
+			used:      60,
+			cacheBuff: 30,
+			swapUsed:  10,
+		},
+		{
+			name:      "inconsistent counters saturate",
+			memory:    mem.VirtualMemoryStat{Total: 100, Available: 110, Used: ^uint64(0) - 9, Free: 90, Cached: 5, Buffers: 10, Shared: 20, SwapTotal: 10, SwapFree: 9, SwapCached: 2},
+			used:      0,
+			cacheBuff: 0,
+			swapUsed:  0,
+		},
+		{
+			name:      "htop subtraction saturates",
+			memory:    mem.VirtualMemoryStat{Total: 100, Available: 20, Used: 80, Free: 90, Cached: 20, Buffers: 5, SwapTotal: 30, SwapFree: 10, SwapCached: 5},
+			htop:      true,
+			used:      0,
+			cacheBuff: 25,
+			swapUsed:  15,
+		},
+		{
+			name:      "zero cache from shared cancellation does not fall back",
+			memory:    mem.VirtualMemoryStat{Total: 100, Used: 60, Free: 10, Cached: 20, Buffers: 10, Shared: 30},
+			used:      60,
+			cacheBuff: 0,
+		},
+		{
+			name:      "absent cache counters use fallback",
+			memory:    mem.VirtualMemoryStat{Total: 100, Used: 60, Free: 10},
+			used:      60,
+			cacheBuff: 30,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			used, cacheBuff, swapUsed := calculateHostMemoryUsage(&tt.memory, tt.htop)
+			assert.Equal(t, tt.used, used)
+			assert.Equal(t, tt.cacheBuff, cacheBuff)
+			assert.Equal(t, tt.swapUsed, swapUsed)
+		})
+	}
+}
+
 func TestUpdateSystemDetailsMarksDetailsDirty(t *testing.T) {
 	agent := &Agent{}
 

docs/index.yaml

@@ -0,0 +1,3 @@
+apiVersion: v1
+entries: {}
+generated: "2026-03-05T00:00:00Z"

go.mod

@@ -1,27 +1,27 @@
 module github.com/henrygd/beszel
 
-go 1.26.1
+go 1.26.6
 
 require (
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/coreos/go-systemd/v22 v22.7.0
-	github.com/ebitengine/purego v0.10.0
-	github.com/fxamacker/cbor/v2 v2.9.0
+	github.com/ebitengine/purego v0.10.2
+	github.com/fxamacker/cbor/v2 v2.9.2
 	github.com/gliderlabs/ssh v0.3.8
 	github.com/google/uuid v1.6.0
-	github.com/lxzan/gws v1.9.1
-	github.com/nicholas-fedor/shoutrrr v0.14.3
+	github.com/lxzan/gws v1.10.1
+	github.com/nicholas-fedor/shoutrrr v0.17.0
 	github.com/pocketbase/dbx v1.12.0
-	github.com/pocketbase/pocketbase v0.36.8
-	github.com/shirou/gopsutil/v4 v4.26.3
+	github.com/pocketbase/pocketbase v0.39.10
+	github.com/shirou/gopsutil/v4 v4.26.7
 	github.com/spf13/cast v1.10.0
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
-	golang.org/x/crypto v0.49.0
-	golang.org/x/exp v0.0.0-20260312153236-7ab1446f8b90
-	golang.org/x/net v0.52.0
-	golang.org/x/sys v0.42.0
+	golang.org/x/crypto v0.55.0
+	golang.org/x/exp v0.0.0-20260811152304-ee035b5b010f
+	golang.org/x/net v0.57.0
+	golang.org/x/sys v0.47.0
 	gopkg.in/yaml.v3 v3.0.1
 	howett.net/plist v1.0.1
 )
@@ -35,34 +35,35 @@ require (
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/eclipse/paho.golang v0.23.0 // indirect
 	github.com/fatih/color v1.19.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
-	github.com/ganigeorgiev/fexpr v0.5.0 // indirect
+	github.com/fsnotify/fsnotify v1.10.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.15 // indirect
+	github.com/ganigeorgiev/fexpr v0.6.0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
-	github.com/go-ozzo/ozzo-validation/v4 v4.3.0 // indirect
 	github.com/go-sql-driver/mysql v1.9.1 // indirect
 	github.com/godbus/dbus/v5 v5.2.2 // indirect
 	github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/klauspost/compress v1.18.5 // indirect
-	github.com/lufia/plan9stats v0.0.0-20260324052639-156f7da3f749 // indirect
-	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/klauspost/compress v1.19.2 // indirect
+	github.com/lufia/plan9stats v0.0.0-20260802145828-341c2f0c90b5 // indirect
+	github.com/mattn/go-colorable v0.1.15 // indirect
+	github.com/mattn/go-isatty v0.0.24 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
+	github.com/pocketbase/ozzo-validation/v4 v4.3.0 // indirect
+	github.com/power-devops/perfstat v0.0.0-20260805114148-88456608a4f6 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	github.com/tklauser/go-sysconf v0.3.16 // indirect
-	github.com/tklauser/numcpus v0.11.0 // indirect
+	github.com/tklauser/go-sysconf v0.4.0 // indirect
+	github.com/tklauser/numcpus v0.12.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
-	golang.org/x/image v0.38.0 // indirect
+	golang.org/x/image v0.45.0 // indirect
 	golang.org/x/oauth2 v0.36.0 // indirect
-	golang.org/x/sync v0.20.0 // indirect
-	golang.org/x/term v0.41.0 // indirect
-	golang.org/x/text v0.35.0 // indirect
-	modernc.org/libc v1.70.0 // indirect
+	golang.org/x/sync v0.22.0 // indirect
+	golang.org/x/term v0.45.0 // indirect
+	golang.org/x/text v0.41.0 // indirect
+	modernc.org/libc v1.74.1 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
-	modernc.org/memory v1.11.0 // indirect
-	modernc.org/sqlite v1.48.0 // indirect
+	modernc.org/memory v1.12.0 // indirect
+	modernc.org/sqlite v1.55.0 // indirect
 )

go.sum

@@ -1,7 +1,7 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
-github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
+github.com/Masterminds/semver/v3 v3.5.0 h1:kQceYJfbupGfZOKZQg0kou0DgAKhzDg2NZPAwZ/2OOE=
+github.com/Masterminds/semver/v3 v3.5.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
 github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
@@ -21,29 +21,29 @@ github.com/domodwyer/mailyak/v3 v3.6.2 h1:x3tGMsyFhTCaxp6ycgR0FE/bu5QiNp+hetUuCO
 github.com/domodwyer/mailyak/v3 v3.6.2/go.mod h1:lOm/u9CyCVWHeaAmHIdF4RiKVxKUT/H5XX10lIKAL6c=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/ebitengine/purego v0.10.0 h1:QIw4xfpWT6GWTzaW5XEKy3HXoqrJGx1ijYHzTF0/ISU=
-github.com/ebitengine/purego v0.10.0/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/ebitengine/purego v0.10.2 h1:W809HbnvzAxgdm+aOvlSekrM16wGCdT/e76+9tS7gzE=
+github.com/ebitengine/purego v0.10.2/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/eclipse/paho.golang v0.23.0 h1:KHgl2wz6EJo7cMBmkuhpt7C576vP+kpPv7jjvSyR6Mk=
 github.com/eclipse/paho.golang v0.23.0/go.mod h1:nQRhTkoZv8EAiNs5UU0/WdQIx2NrnWUpL9nsGJTQN04=
 github.com/fatih/color v1.19.0 h1:Zp3PiM21/9Ld6FzSKyL5c/BULoe/ONr9KlbYVOfG8+w=
 github.com/fatih/color v1.19.0/go.mod h1:zNk67I0ZUT1bEGsSGyCZYZNrHuTkJJB+r6Q9VuMi0LE=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
-github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
-github.com/gabriel-vasile/mimetype v1.4.13 h1:46nXokslUBsAJE/wMsp5gtO500a4F3Nkz9Ufpk2AcUM=
-github.com/gabriel-vasile/mimetype v1.4.13/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
-github.com/ganigeorgiev/fexpr v0.5.0 h1:XA9JxtTE/Xm+g/JFI6RfZEHSiQlk+1glLvRK1Lpv/Tk=
-github.com/ganigeorgiev/fexpr v0.5.0/go.mod h1:RyGiGqmeXhEQ6+mlGdnUleLHgtzzu/VGO2WtJkF5drE=
+github.com/fsnotify/fsnotify v1.10.1 h1:b0/UzAf9yR5rhf3RPm9gf3ehBPpf0oZKIjtpKrx59Ho=
+github.com/fsnotify/fsnotify v1.10.1/go.mod h1:TLheqan6HD6GBK6PrDWyDPBaEV8LspOxvPSjC+bVfgo=
+github.com/fxamacker/cbor/v2 v2.9.2 h1:X4Ksno9+x3cz0TZv69ec1hxP/+tymuR8PXQJyDwfh78=
+github.com/fxamacker/cbor/v2 v2.9.2/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
+github.com/gabriel-vasile/mimetype v1.4.15 h1:05iP/CYtZ/w455R/KZM6rZ5ieAdh99UPtd+d3YzLmaI=
+github.com/gabriel-vasile/mimetype v1.4.15/go.mod h1:azpTcoLcDZRNgFou5j+APrqQx9HqVPWa6ijYQIIVswQ=
+github.com/ganigeorgiev/fexpr v0.6.0 h1:Fza3O/QMBKEudUvxV862qe6GjxM60GJjjKytdp+VQus=
+github.com/ganigeorgiev/fexpr v0.6.0/go.mod h1:RyGiGqmeXhEQ6+mlGdnUleLHgtzzu/VGO2WtJkF5drE=
 github.com/gliderlabs/ssh v0.3.8 h1:a4YXD1V7xMF9g5nTkdfnja3Sxy1PVDCj1Zg4Wb8vY6c=
 github.com/gliderlabs/ssh v0.3.8/go.mod h1:xYoytBv1sV0aL3CavoDuJIQNURXkkfPA/wxQ1pL1fAU=
-github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
-github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.4 h1:tG4xh9yMsRCAiodLVTxyrkzSZ9+o0L1Kg/+cPVcbP/8=
+github.com/go-logr/logr v1.4.4/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
-github.com/go-ozzo/ozzo-validation/v4 v4.3.0 h1:byhDUpfEwjsVQb1vBunvIjh2BHQ9ead57VkAEY4V+Es=
-github.com/go-ozzo/ozzo-validation/v4 v4.3.0/go.mod h1:2NKgrcHl3z6cJs+3Oo940FPRiTzuqKbvfrL2RxCj6Ew=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.9.1 h1:FrjNGn/BsJQjVRuSa8CBrM5BWA9BWoXXat3KrtSb/iI=
 github.com/go-sql-driver/mysql v1.9.1/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
@@ -56,8 +56,8 @@ github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArs
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/pprof v0.0.0-20260302011040-a15ffb7f9dcc h1:VBbFa1lDYWEeV5FZKUiYKYT0VxCp9twUmmaq9eb8sXw=
-github.com/google/pprof v0.0.0-20260302011040-a15ffb7f9dcc/go.mod h1:MxpfABSjhmINe3F1It9d+8exIHFvUqtLIRCdOGNXqiI=
+github.com/google/pprof v0.0.0-20260802141513-ef3492d7dac3 h1:LMLX+LgTNWpfvCBdFebv6EsYotImrt/Ppc5cXIriCSo=
+github.com/google/pprof v0.0.0-20260802141513-ef3492d7dac3/go.mod h1:jl5iWTm0/hd5PjEYEOuwAJ57L/CibdZfrqZ5XA5GrCk=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
@@ -66,47 +66,49 @@ github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/jarcoal/httpmock v1.4.1 h1:0Ju+VCFuARfFlhVXFc2HxlcQkfB+Xq12/EotHko+x2A=
-github.com/jarcoal/httpmock v1.4.1/go.mod h1:ftW1xULwo+j0R0JJkJIIi7UKigZUXCLLanykgjwBXL0=
+github.com/jarcoal/httpmock v1.4.2 h1:dKwiP/9zITCPfBLsDn3kchbSOu16JrnxtVEmL0fPRcI=
+github.com/jarcoal/httpmock v1.4.2/go.mod h1:ftW1xULwo+j0R0JJkJIIi7UKigZUXCLLanykgjwBXL0=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
-github.com/klauspost/compress v1.18.5 h1:/h1gH5Ce+VWNLSWqPzOVn6XBO+vJbCNGvjoaGBFW2IE=
-github.com/klauspost/compress v1.18.5/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
+github.com/klauspost/compress v1.19.2 h1:hMRETovs/pu/dVWN7zIT1PGG8t509MwT6bO7XSi26R8=
+github.com/klauspost/compress v1.19.2/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/lufia/plan9stats v0.0.0-20260324052639-156f7da3f749 h1:Qj3hTcdWH8uMZDI41HNuTuJN525C7NBrbtH5kSO6fPk=
-github.com/lufia/plan9stats v0.0.0-20260324052639-156f7da3f749/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
-github.com/lxzan/gws v1.9.1 h1:4lbIp4cW0hOLP3ejFHR/uWRy741AURx7oKkNNi2OT9o=
-github.com/lxzan/gws v1.9.1/go.mod h1:gXHSCPmTGryWJ4icuqy8Yho32E4YIMHH0fkDRYJRbdc=
-github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
-github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
-github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
-github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/lufia/plan9stats v0.0.0-20260802145828-341c2f0c90b5 h1:eveIIGn4BGM3qknO74omf6HYr30/exH+eVUTuAgwjZ0=
+github.com/lufia/plan9stats v0.0.0-20260802145828-341c2f0c90b5/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
+github.com/lxzan/gws v1.10.1 h1:1xG+tDOV0lgDeVPf0wNT74u3cn0K3LpcavRrTPTrMwQ=
+github.com/lxzan/gws v1.10.1/go.mod h1:gXHSCPmTGryWJ4icuqy8Yho32E4YIMHH0fkDRYJRbdc=
+github.com/mattn/go-colorable v0.1.15 h1:+u9SLTRGnXv73cEsnsmoZBom+dMU88B2M0aDcWy0/jY=
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 github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
-github.com/nicholas-fedor/shoutrrr v0.14.3 h1:aBX2iw9a7jl5wfHd3bi9LnS5ucoYIy6KcLH9XVF+gig=
-github.com/nicholas-fedor/shoutrrr v0.14.3/go.mod h1:U7IywBkLpBV7rgn8iLbQ9/LklJG1gm24bFv5cXXsDKs=
-github.com/onsi/ginkgo/v2 v2.28.1 h1:S4hj+HbZp40fNKuLUQOYLDgZLwNUVn19N3Atb98NCyI=
-github.com/onsi/ginkgo/v2 v2.28.1/go.mod h1:CLtbVInNckU3/+gC8LzkGUb9oF+e8W8TdUsxPwvdOgE=
-github.com/onsi/gomega v1.39.1 h1:1IJLAad4zjPn2PsnhH70V4DKRFlrCzGBNrNaru+Vf28=
-github.com/onsi/gomega v1.39.1/go.mod h1:hL6yVALoTOxeWudERyfppUcZXjMwIMLnuSfruD2lcfg=
+github.com/nicholas-fedor/shoutrrr v0.17.0 h1:xfp3z5QbE8jXvUhUEwWDk47SJ/b912VoB8MJJDU+q4E=
+github.com/nicholas-fedor/shoutrrr v0.17.0/go.mod h1:s4ldyLs6uwBy9lIjYrY+8lyTqJtPvZSrILw0CyMLock=
+github.com/onsi/ginkgo/v2 v2.32.0 h1:Hw7s2pVrQo/8Yz5N77qdnpHaoc+c6cC9WIV1Jce+J6E=
+github.com/onsi/ginkgo/v2 v2.32.0/go.mod h1:+aXOY+vzZ5mu2iI2HpTZUPmM//oQfsNFX6gU9kNcA44=
+github.com/onsi/gomega v1.42.1 h1:iN1rCUX+44NZ1Dc97MPoeFYbFR0vh8zxoxMFwKdyZ6I=
+github.com/onsi/gomega v1.42.1/go.mod h1:REff/hsDsodHoKlWsP2mAPhu1+5/6hVYNf9rIEBpeSg=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
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@@ -120,51 +122,51 @@ github.com/stretchr/objx v0.5.3/go.mod h1:rDQraq+vQZU7Fde9LOZLr8Tax6zZvy4kuNKF+Q
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@@ -175,30 +177,30 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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+modernc.org/opt v0.2.0/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
-modernc.org/sqlite v1.48.0 h1:ElZyLop3Q2mHYk5IFPPXADejZrlHu7APbpB0sF78bq4=
-modernc.org/sqlite v1.48.0/go.mod h1:hWjRO6Tj/5Ik8ieqxQybiEOUXy0NJFNp2tpvVpKlvig=
+modernc.org/sqlite v1.55.0 h1:hIFh0MCH0rGinQ/4KYb5/UbCkRkb+UP+OkLCVWa5MTM=
+modernc.org/sqlite v1.55.0/go.mod h1:4ntCLuNmnH8+GNqjka1wNg7KJd5/Hi5FYp8K+XQ7GZw=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
 modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=

internal/alerts/alerts.go

@@ -55,6 +55,7 @@ type SystemAlertStats struct {
 	Temperatures map[string]float32            `json:"t"`
 	LoadAvg      [3]float64                    `json:"la"`
 	Battery      [2]uint8                      `json:"bat"`
+	Batteries    map[string]uint8              `json:"bats"`
 	ExtraFs      map[string]SystemAlertFsStats `json:"efs"`
 }
 

internal/alerts/alerts_quiet_hours_test.go

@@ -322,8 +322,9 @@ func TestAlertSilencedMultiUser(t *testing.T) {
 }
 
 func TestAlertSilencedWithActualAlert(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		// Create a system

internal/alerts/alerts_status_test.go

@@ -29,8 +29,9 @@ func setStatusAlertEmail(t *testing.T, hub core.App, userID, email string) {
 }
 
 func TestStatusAlerts(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		systems, err := beszelTests.CreateSystems(hub, 4, user.Id, "paused")
@@ -234,8 +235,9 @@ func TestHandleStatusAlertsDoesNotSendRecoveryWhileDownIsOnlyPending(t *testing.
 }
 
 func TestStatusAlertTimerCancellationPreventsBoundaryDelivery(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		userSettings, err := hub.FindFirstRecordByFilter("user_settings", "user={:user}", map[string]any{"user": user.Id})
@@ -336,8 +338,9 @@ func TestStatusAlertDownFiresAfterDelayExpires(t *testing.T) {
 }
 
 func TestStatusAlertMultipleUsersRespectDifferentMinutes(t *testing.T) {
+	hub, user1 := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user1 := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		setStatusAlertEmail(t, hub, user1.Id, "user1@example.com")
@@ -423,8 +426,9 @@ func TestStatusAlertMultipleUsersRespectDifferentMinutes(t *testing.T) {
 }
 
 func TestStatusAlertMultipleUsersRecoveryBetweenMinutesOnlyAlertsEarlierUser(t *testing.T) {
+	hub, user1 := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user1 := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		setStatusAlertEmail(t, hub, user1.Id, "user1@example.com")
@@ -816,8 +820,9 @@ func TestResolveStatusAlerts(t *testing.T) {
 }
 
 func TestAlertsHistoryStatus(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		// Create a system
@@ -882,8 +887,9 @@ func TestAlertsHistoryStatus(t *testing.T) {
 }
 
 func TestStatusAlertClearedBeforeSend(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		// Create a system

internal/alerts/alerts_system.go

@@ -63,7 +63,7 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 		case "GPU":
 			val = data.Info.GpuPct
 		case "Battery":
-			if data.Stats.Battery[0] == 0 {
+			if !hasRepresentativeBattery(data.Stats.Battery, data.Stats.Batteries) {
 				continue
 			}
 			val = float64(data.Stats.Battery[0])
@@ -167,6 +167,7 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 		stat := systemStats[i]
 		// subtract 10 seconds to give a small time buffer
 		systemStatsCreation := stat.Created.Time().Add(-time.Second * 10)
+		stats = SystemAlertStats{}
 		if err := json.Unmarshal(stat.Stats, &stats); err != nil {
 			return err
 		}
@@ -235,6 +236,9 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 				}
 				alert.val += maxUsage
 			case "Battery":
+				if !hasRepresentativeBattery(stats.Battery, stats.Batteries) {
+					continue
+				}
 				alert.val += float64(stats.Battery[0])
 			default:
 				continue
@@ -297,6 +301,10 @@ func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *syst
 	return nil
 }
 
+func hasRepresentativeBattery(legacy [2]uint8, batteries map[string]uint8) bool {
+	return legacy != [2]uint8{} || len(batteries) > 0
+}
+
 func (am *AlertManager) sendSystemAlert(alert SystemAlertData) {
 	// log.Printf("Sending alert %s: val %f | count %d | threshold %f\n", alert.name, alert.val, alert.count, alert.threshold)
 	systemName := alert.systemRecord.GetString("name")

internal/alerts/alerts_system_test.go

@@ -95,11 +95,10 @@ func waitForSystemAlert(d time.Duration) {
 
 func testOneMinuteSystemAlert[T any](t *testing.T, alertName string, threshold float64, setValue systemAlertValueSetter[T], triggerValue, resolveValue T) {
 	t.Helper()
+	fixture := newSystemAlertTestFixture(t, alertName, 1, threshold)
+	defer fixture.cleanup()
 
 	synctest.Test(t, func(t *testing.T) {
-		fixture := newSystemAlertTestFixture(t, alertName, 1, threshold)
-		defer fixture.cleanup()
-
 		submitValue(fixture, t, triggerValue, setValue)
 		waitForSystemAlert(time.Second)
 
@@ -118,11 +117,10 @@ func testOneMinuteSystemAlert[T any](t *testing.T, alertName string, threshold f
 
 func testMultiMinuteSystemAlert[T any](t *testing.T, alertName string, threshold float64, min int, setValue systemAlertValueSetter[T], baselineValue, triggerValue, resolveValue T) {
 	t.Helper()
+	fixture := newSystemAlertTestFixture(t, alertName, min, threshold)
+	defer fixture.cleanup()
 
 	synctest.Test(t, func(t *testing.T) {
-		fixture := newSystemAlertTestFixture(t, alertName, min, threshold)
-		defer fixture.cleanup()
-
 		submitValue(fixture, t, baselineValue, setValue)
 		waitForSystemAlert(time.Minute + time.Second)
 		fixture.assertTriggered(t, false, "Alert should not be triggered yet")
@@ -201,7 +199,7 @@ func TestSystemAlertsOneMin(t *testing.T) {
 	testOneMinuteSystemAlert(t, "LoadAvg1", 4, setLoadAvgAlertValue, [3]float64{4.1, 0, 0}, [3]float64{3.9, 0, 0})
 	testOneMinuteSystemAlert(t, "LoadAvg5", 4, setLoadAvgAlertValue, [3]float64{0, 4.1, 0}, [3]float64{0, 3.9, 0})
 	testOneMinuteSystemAlert(t, "LoadAvg15", 4, setLoadAvgAlertValue, [3]float64{0, 0, 4.1}, [3]float64{0, 0, 3.9})
-	testOneMinuteSystemAlert(t, "Battery", 20, setBatteryAlertValue, [2]uint8{19, 0}, [2]uint8{21, 0})
+	testOneMinuteSystemAlert(t, "Battery", 20, setBatteryAlertValue, [2]uint8{0, 1}, [2]uint8{21, 0})
 }
 
 func TestSystemAlertsTwoMin(t *testing.T) {

internal/alerts/alerts_test.go

@@ -15,8 +15,9 @@ import (
 )
 
 func TestAlertsHistory(t *testing.T) {
+	hub, user := beszelTests.GetHubWithUser(t)
+
 	synctest.Test(t, func(t *testing.T) {
-		hub, user := beszelTests.GetHubWithUser(t)
 		defer hub.Cleanup()
 
 		// Create systems and alerts

internal/common/common-ws.go

@@ -22,8 +22,6 @@ const (
 	GetSmartData
 	// Request detailed systemd service info from agent
 	GetSystemdInfo
-	// Sync network probe configuration to agent
-	SyncNetworkProbes
 	// Add new actions here...
 )
 
@@ -44,7 +42,8 @@ type AgentResponse struct {
 	SmartData   map[string]smart.SmartData `cbor:"5,keyasint,omitempty,omitzero"` // Legacy (<= 0.17)
 	ServiceInfo systemd.ServiceDetails     `cbor:"6,keyasint,omitempty,omitzero"` // Legacy (<= 0.17)
 	// Data is the generic response payload for new endpoints (0.18+)
-	Data cbor.RawMessage `cbor:"7,keyasint,omitempty,omitzero"`
+	Data          cbor.RawMessage `cbor:"7,keyasint,omitempty,omitzero"`
+	SmartComplete bool            `cbor:"8,keyasint,omitempty,omitzero"`
 }
 
 type FingerprintRequest struct {

internal/dockerfile_agent_intel

@@ -20,7 +20,7 @@ FROM alpine:3.23
 
 COPY --from=builder /agent /agent
 
-RUN apk add --no-cache -X https://dl-cdn.alpinelinux.org/alpine/edge/testing igt-gpu-tools smartmontools
+RUN apk add --no-cache -X https://dl-cdn.alpinelinux.org/alpine/edge/testing igt-gpu-tools nvtop smartmontools
 
 # Ensure data persistence across container recreations
 VOLUME ["/var/lib/beszel-agent"]

internal/dockerfile_agent_nvidia_slim

@@ -0,0 +1,90 @@
+FROM --platform=$BUILDPLATFORM golang:bookworm AS builder
+
+WORKDIR /app
+
+COPY ../go.mod ../go.sum ./
+RUN go mod download
+
+# Copy source files
+COPY . ./
+
+# Build
+ARG TARGETOS=linux
+ARG TARGETARCH
+ARG TARGETVARIANT
+
+RUN set -eux; \
+  if [ "$TARGETARCH" = "arm" ] && [ -n "$TARGETVARIANT" ]; then \
+    export GOARM="${TARGETVARIANT#v}"; \
+  fi; \
+  CGO_ENABLED=0 GOGC=75 GOOS=$TARGETOS GOARCH=$TARGETARCH \
+    go build -tags glibc -ldflags "-w -s" -o /agent ./internal/cmd/agent
+
+# --------------------------
+# Smartmontools builder stage
+# --------------------------
+FROM --platform=$TARGETPLATFORM debian:bookworm-slim AS smartmontools-builder
+
+# Keep smartmontools 7.5 built from source to match the current NVIDIA agent image behavior.
+# A simpler Debian package based approach is also possible:
+#
+#   RUN apt-get update && apt-get install -y --no-install-recommends \
+#       smartmontools \
+#     && rm -rf /var/lib/apt/lists/*
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  wget \
+  ca-certificates \
+  build-essential \
+  make \
+  g++ \
+  && wget https://downloads.sourceforge.net/project/smartmontools/smartmontools/7.5/smartmontools-7.5.tar.gz \
+  && tar zxvf smartmontools-7.5.tar.gz \
+  && cd smartmontools-7.5 \
+  && ./configure --prefix=/usr --sysconfdir=/etc \
+  && make \
+  && make install \
+  && rm -rf /smartmontools-7.5* \
+  && apt-get remove -y wget build-essential \
+  && apt-get autoremove -y \
+  && rm -rf /var/lib/apt/lists/*
+
+# Copy smartmontools binary, data files, and required runtime libraries
+RUN set -eux; \
+  mkdir -p /out/rootfs/usr/share /out/rootfs/lib /out/rootfs/lib64 /out/rootfs/usr/lib; \
+  if [ -d /usr/share/smartmontools ]; then \
+    cp -a /usr/share/smartmontools /out/rootfs/usr/share/; \
+  fi; \
+  ldd /usr/sbin/smartctl \
+    | awk '{print $3}' \
+    | grep '^/' \
+    | xargs -r -I '{}' sh -c 'mkdir -p "/out/rootfs$(dirname "{}")"; cp -v "{}" "/out/rootfs{}"'; \
+  interp="$(ldd /usr/sbin/smartctl | awk "/ld-linux/ {print \$1}")"; \
+  if [ -n "$interp" ] && [ -e "$interp" ]; then \
+    mkdir -p "/out/rootfs$(dirname "$interp")"; \
+    cp -v "$interp" "/out/rootfs$interp"; \
+  fi
+
+# --------------------------
+# Final image: lightweight multi-arch NVIDIA agent (slim)
+# --------------------------
+FROM --platform=$TARGETPLATFORM gcr.io/distroless/base-debian12
+COPY --from=builder /agent /agent
+
+# AMD GPU name lookup (used by agent on hybrid laptops when /usr/share/libdrm/amdgpu.ids is read)
+COPY --from=builder /app/agent/test-data/amdgpu.ids /usr/share/libdrm/amdgpu.ids
+
+# Copy smartmontools binaries and config files
+COPY --from=smartmontools-builder /usr/sbin/smartctl /usr/sbin/smartctl
+COPY --from=smartmontools-builder /out/rootfs/ /
+
+# nvidia-smi is intentionally not bundled.
+# Mount the host binary instead, for example:
+# - /usr/bin/nvidia-smi:/usr/bin/nvidia-smi:ro
+
+# Ensure data persistence across container recreations
+VOLUME ["/var/lib/beszel-agent"]
+
+WORKDIR /var/lib/beszel-agent
+
+ENTRYPOINT ["/agent"]

internal/entities/container/container.go

@@ -52,6 +52,17 @@ type HostInfo struct {
 }
 
 func (s *ApiStats) CalculateCpuPercentLinux(prevCpuContainer uint64, prevCpuSystem uint64) float64 {
+	// A counter can read lower than the stored previous value when a stats
+	// response is processed after a newer one for the same container, or when an
+	// accounting counter resets. Unsigned subtraction wraps to ~2^64 instead of
+	// going negative: on the container counter that surfaces as an absurd
+	// percentage the caller rejects, discarding the whole sample; on the system
+	// counter it inflates the divisor and silently reports near-zero CPU.
+	// Treat either direction as a new baseline.
+	if s.CPUStats.CPUUsage.TotalUsage < prevCpuContainer || s.CPUStats.SystemUsage < prevCpuSystem {
+		return 0.0
+	}
+
 	cpuDelta := s.CPUStats.CPUUsage.TotalUsage - prevCpuContainer
 	systemDelta := s.CPUStats.SystemUsage - prevCpuSystem
 
@@ -70,7 +81,11 @@ func (s *ApiStats) CalculateCpuPercentWindows(prevCpuUsage uint64, prevRead time
 	possIntervals /= 100                // Convert to number of 100ns intervals
 	possIntervals *= uint64(s.NumProcs) // Multiple by the number of processors
 
-	// Intervals used
+	// Intervals used. Same rollback guard as the Linux path: an out-of-order or
+	// reset counter would wrap the subtraction to ~2^64.
+	if s.CPUStats.CPUUsage.TotalUsage < prevCpuUsage {
+		return 0.0
+	}
 	intervalsUsed := s.CPUStats.CPUUsage.TotalUsage - prevCpuUsage
 
 	// Percentage avoiding divide-by-zero

internal/entities/probe/probe.go

@@ -1,58 +0,0 @@
-package probe
-
-type SyncAction uint8
-
-const (
-	// SyncActionReplace indicates a full sync where the provided configs should replace all existing probes for the system.
-	SyncActionReplace SyncAction = iota
-	// SyncActionUpsert indicates an incremental sync where the provided config should be added or updated.
-	SyncActionUpsert
-	// SyncActionDelete indicates an incremental sync where the provided config should be removed.
-	SyncActionDelete
-)
-
-// Config defines a network probe task sent from hub to agent.
-type Config struct {
-	// ID is the stable network_probes record ID generated by the hub.
-	ID       string `cbor:"0,keyasint"`
-	Target   string `cbor:"1,keyasint"`
-	Protocol string `cbor:"2,keyasint"` // "icmp", "tcp", or "http"
-	Port     uint16 `cbor:"3,keyasint,omitempty"`
-	Interval uint16 `cbor:"4,keyasint"` // seconds
-}
-
-// SyncRequest defines an incremental or full probe sync request sent to the agent.
-type SyncRequest struct {
-	Action  SyncAction `cbor:"0,keyasint"`
-	Config  Config     `cbor:"1,keyasint,omitempty"`
-	Configs []Config   `cbor:"2,keyasint,omitempty"`
-	RunNow  bool       `cbor:"3,keyasint,omitempty"`
-}
-
-// SyncResponse returns the immediate result for an upsert when requested.
-type SyncResponse struct {
-	Result Result `cbor:"0,keyasint,omitempty"`
-}
-
-// Result holds aggregated probe results for a single target.
-//
-// 0: avg response in microseconds
-//
-// 1: average response over the last hour in microseconds
-//
-// 2: min response over the last hour in microseconds
-//
-// 3: max response over the last hour in microseconds
-//
-// 4: packet loss percentage (0-100)
-//
-// 5: packet loss percentage over the last hour (0-100)
-type Result []float64
-
-// Get returns the value at the specified index or 0 if the index is out of range.
-func (r Result) Get(index int) float64 {
-	if index < len(r) {
-		return r[index]
-	}
-	return 0
-}

internal/entities/smart/smart.go

@@ -494,7 +494,7 @@ type SmartInfoForNvme struct {
 	FirmwareVersion string           `json:"firmware_version"`
 	// NVMePCIVendor                 NVMePCIVendor                 `json:"nvme_pci_vendor"`
 	// NVMeIEEEOUIIdentifier         uint32                        `json:"nvme_ieee_oui_identifier"`
-	NVMeTotalCapacity             uint64                        `json:"nvme_total_capacity"`
+	NVMeTotalCapacity uint64 `json:"nvme_total_capacity"`
 	// NVMeUnallocatedCapacity       uint64                        `json:"nvme_unallocated_capacity"`
 	// NVMeControllerID              uint16                        `json:"nvme_controller_id"`
 	// NVMeVersion                   VersionStringInfo             `json:"nvme_version"`
@@ -531,6 +531,13 @@ type SmartData struct {
 	Attributes      []*SmartAttribute `json:"a,omitempty" cbor:"9,keyasint,omitempty"`
 }
 
+// SmartDataResponse contains the collected data and whether every discovered
+// device was collected. Older agents omit Complete, so hubs must not prune from it.
+type SmartDataResponse struct {
+	Data     map[string]SmartData `json:"data" cbor:"0,keyasint"`
+	Complete bool                 `json:"complete" cbor:"1,keyasint,omitempty"` // Whether every discovered device was collected
+}
+
 type SmartAttribute struct {
 	ID         uint16 `json:"id,omitempty" cbor:"0,keyasint,omitempty"`
 	Name       string `json:"n" cbor:"1,keyasint"`

internal/entities/system/system.go

@@ -7,7 +7,6 @@ import (
 	"time"
 
 	"github.com/henrygd/beszel/internal/entities/container"
-	"github.com/henrygd/beszel/internal/entities/probe"
 	"github.com/henrygd/beszel/internal/entities/systemd"
 )
 
@@ -34,6 +33,8 @@ type Stats struct {
 	MaxNetworkSent float64             `json:"nsm,omitempty" cbor:"-"`
 	MaxNetworkRecv float64             `json:"nrm,omitempty" cbor:"-"`
 	Temperatures   map[string]float64  `json:"t,omitempty" cbor:"20,keyasint,omitempty"`
+	Fans           map[string]uint16   `json:"f,omitempty" cbor:"36,keyasint,omitempty"`
+	Batteries      map[string]uint8    `json:"bats,omitempty" cbor:"37,keyasint,omitempty"`
 	ExtraFs        map[string]*FsStats `json:"efs,omitempty" cbor:"21,keyasint,omitempty"`
 	GPUData        map[string]GPUData  `json:"g,omitempty" cbor:"22,keyasint,omitempty"`
 	// LoadAvg1       float64             `json:"l1,omitempty" cbor:"23,keyasint,omitempty"`
@@ -43,7 +44,7 @@ type Stats struct {
 	MaxBandwidth [2]uint64 `json:"bm,omitzero" cbor:"-"`                   // [sent bytes, recv bytes]
 	// TODO: remove other load fields in future release in favor of load avg array
 	LoadAvg           [3]float64           `json:"la,omitempty" cbor:"28,keyasint"`
-	Battery           [2]uint8             `json:"bat,omitzero" cbor:"29,keyasint,omitzero"`    // [percent, charge state, current]
+	Battery           [2]uint8             `json:"bat,omitzero" cbor:"29,keyasint,omitzero"`    // [percent, charge state]
 	NetworkInterfaces map[string][4]uint64 `json:"ni,omitempty" cbor:"31,keyasint,omitempty"`   // [upload bytes, download bytes, total upload, total download]
 	DiskIO            [2]uint64            `json:"dio,omitzero" cbor:"32,keyasint,omitzero"`    // [read bytes, write bytes]
 	MaxDiskIO         [2]uint64            `json:"diom,omitzero" cbor:"-"`                      // [max read bytes, max write bytes]
@@ -175,10 +176,9 @@ type Details struct {
 
 // Final data structure to return to the hub
 type CombinedData struct {
-	Stats           Stats                   `json:"stats" cbor:"0,keyasint"`
-	Info            Info                    `json:"info" cbor:"1,keyasint"`
-	Containers      []*container.Stats      `json:"container" cbor:"2,keyasint"`
-	SystemdServices []*systemd.Service      `json:"systemd,omitempty" cbor:"3,keyasint,omitempty"`
-	Details         *Details                `cbor:"4,keyasint,omitempty"`
-	Probes          map[string]probe.Result `cbor:"5,keyasint,omitempty"`
+	Stats           Stats              `json:"stats" cbor:"0,keyasint"`
+	Info            Info               `json:"info" cbor:"1,keyasint"`
+	Containers      []*container.Stats `json:"container" cbor:"2,keyasint"`
+	SystemdServices []*systemd.Service `json:"systemd,omitempty" cbor:"3,keyasint,omitempty"`
+	Details         *Details           `cbor:"4,keyasint,omitempty"`
 }

internal/entities/system/system_test.go

@@ -0,0 +1,37 @@
+package system
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/fxamacker/cbor/v2"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestStatsBatteryTransport(t *testing.T) {
+	stats := Stats{Battery: [2]uint8{0, 1}, Batteries: map[string]uint8{"Primary": 0, "Mouse": 75}}
+
+	jsonData, err := json.Marshal(stats)
+	require.NoError(t, err)
+	var jsonPayload map[string]any
+	require.NoError(t, json.Unmarshal(jsonData, &jsonPayload))
+	assert.Equal(t, []any{float64(0), float64(1)}, jsonPayload["bat"])
+	assert.Equal(t, map[string]any{"Primary": float64(0), "Mouse": float64(75)}, jsonPayload["bats"])
+
+	cborData, err := cbor.Marshal(stats)
+	require.NoError(t, err)
+	var decoded Stats
+	require.NoError(t, cbor.Unmarshal(cborData, &decoded))
+	assert.Equal(t, stats.Battery, decoded.Battery)
+	assert.Equal(t, stats.Batteries, decoded.Batteries)
+}
+
+func TestStatsLegacyBatteryPayload(t *testing.T) {
+	data, err := json.Marshal(Stats{Battery: [2]uint8{50, 4}})
+	require.NoError(t, err)
+	var payload map[string]any
+	require.NoError(t, json.Unmarshal(data, &payload))
+	assert.Contains(t, payload, "bat")
+	assert.NotContains(t, payload, "bats")
+}

internal/ghupdate/checksum.go

@@ -0,0 +1,43 @@
+package ghupdate
+
+import (
+	"bytes"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+)
+
+func verifyAssetChecksum(path, digest string) error {
+	algorithm, expectedHex, ok := strings.Cut(digest, ":")
+	if !ok || algorithm == "" || expectedHex == "" {
+		return fmt.Errorf("invalid release digest %q", digest)
+	}
+	if !strings.EqualFold(algorithm, "sha256") {
+		return fmt.Errorf("unsupported release digest algorithm %q", algorithm)
+	}
+
+	expected, err := hex.DecodeString(expectedHex)
+	if err != nil || len(expected) != sha256.Size {
+		return fmt.Errorf("invalid SHA-256 release digest %q", digest)
+	}
+
+	file, err := os.Open(path)
+	if err != nil {
+		return fmt.Errorf("failed to open release for checksum verification: %w", err)
+	}
+	defer file.Close()
+
+	hash := sha256.New()
+	if _, err := io.Copy(hash, file); err != nil {
+		return fmt.Errorf("failed to calculate release checksum: %w", err)
+	}
+	actual := hash.Sum(nil)
+	if !bytes.Equal(actual, expected) {
+		return fmt.Errorf("release checksum mismatch: expected %s, got %s", expectedHex, hex.EncodeToString(actual))
+	}
+
+	return nil
+}

internal/ghupdate/checksum_test.go

@@ -0,0 +1,57 @@
+package ghupdate
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestVerifyAssetChecksum(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "asset")
+	if err := os.WriteFile(path, []byte("beszel release asset"), 0600); err != nil {
+		t.Fatal(err)
+	}
+
+	tests := []struct {
+		name    string
+		digest  string
+		wantErr string
+	}{
+		{
+			name:   "valid",
+			digest: "sha256:2316f86af2c3af2f0ef595ad5359cdd19b329d4829a5425460ca9ffbf92671ab",
+		},
+		{
+			name:    "mismatch",
+			digest:  "sha256:0316f86af2c3af2f0ef595ad5359cdd19b329d4829a5425460ca9ffbf92671ab",
+			wantErr: "checksum mismatch",
+		},
+		{
+			name:    "malformed",
+			digest:  "sha256:not-a-checksum",
+			wantErr: "invalid SHA-256",
+		},
+		{
+			name:    "missing",
+			wantErr: "invalid release digest",
+		},
+		{
+			name:    "unsupported algorithm",
+			digest:  "sha512:2316f86af2c3af2f0ef595ad5359cdd19b329d4829a5425460ca9ffbf92671ab",
+			wantErr: "unsupported",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := verifyAssetChecksum(path, tt.digest)
+			if tt.wantErr == "" && err != nil {
+				t.Fatalf("expected checksum to verify, got %v", err)
+			}
+			if tt.wantErr != "" && (err == nil || !strings.Contains(err.Error(), tt.wantErr)) {
+				t.Fatalf("expected error containing %q, got %v", tt.wantErr, err)
+			}
+		})
+	}
+}

internal/ghupdate/extract.go

@@ -46,18 +46,23 @@ func extractTarGz(srcPath, destDir string) error {
 			return err
 		}
 
+		path, err := archivePath(destDir, header.Name)
+		if err != nil {
+			return err
+		}
+
 		if header.Typeflag == tar.TypeDir {
-			if err := os.MkdirAll(filepath.Join(destDir, header.Name), 0755); err != nil {
+			if err := os.MkdirAll(path, 0755); err != nil {
 				return err
 			}
 			continue
 		}
 
-		if err := os.MkdirAll(filepath.Dir(filepath.Join(destDir, header.Name)), 0755); err != nil {
+		if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
 			return err
 		}
 
-		outFile, err := os.Create(filepath.Join(destDir, header.Name))
+		outFile, err := os.Create(path)
 		if err != nil {
 			return err
 		}
@@ -72,6 +77,14 @@ func extractTarGz(srcPath, destDir string) error {
 	return nil
 }
 
+// archivePath returns a path within destDir, rejecting path traversal entries.
+func archivePath(destDir, name string) (string, error) {
+	if !filepath.IsLocal(name) {
+		return "", fmt.Errorf("invalid file path: %q", name)
+	}
+	return filepath.Join(destDir, name), nil
+}
+
 // extractZip extracts the zip archive at "src" to "dest".
 //
 // Note that only dirs and regular files will be extracted.
@@ -84,9 +97,6 @@ func extractZip(src, dest string) error {
 	}
 	defer zr.Close()
 
-	// normalize dest path to check later for Zip Slip
-	dest = filepath.Clean(dest) + string(os.PathSeparator)
-
 	for _, f := range zr.File {
 		err := extractFile(f, dest)
 		if err != nil {
@@ -100,11 +110,9 @@ func extractZip(src, dest string) error {
 // extractFile extracts the provided zipFile into "basePath/zipFileName" path,
 // creating all the necessary path directories.
 func extractFile(zipFile *zip.File, basePath string) error {
-	path := filepath.Join(basePath, zipFile.Name)
-
-	// check for Zip Slip
-	if !strings.HasPrefix(path, basePath) {
-		return fmt.Errorf("invalid file path: %s", path)
+	path, err := archivePath(basePath, zipFile.Name)
+	if err != nil {
+		return err
 	}
 
 	r, err := zipFile.Open()

internal/ghupdate/ghupdate.go

@@ -135,21 +135,33 @@ func (p *updater) update() (updated bool, err error) {
 		return false, err
 	}
 
-	releaseDir := filepath.Join(p.config.DataDir, ".beszel_update")
+	if err := os.MkdirAll(p.config.DataDir, 0755); err != nil {
+		return false, fmt.Errorf("failed to create update data directory: %w", err)
+	}
+	releaseDir, err := os.MkdirTemp(p.config.DataDir, ".beszel_update-")
+	if err != nil {
+		return false, fmt.Errorf("failed to create update directory: %w", err)
+	}
 	defer os.RemoveAll(releaseDir)
 
 	ColorPrintf(ColorYellow, "Downloading %s...", asset.Name)
 
 	// download the release asset
-	assetPath := filepath.Join(releaseDir, asset.Name)
+	assetPath, err := archivePath(releaseDir, asset.Name)
+	if err != nil {
+		return false, err
+	}
 	if err := downloadFile(p.config.Context, p.config.HttpClient, asset.DownloadUrl, assetPath, p.config.UseMirror); err != nil {
 		return false, err
 	}
+	ColorPrint(ColorYellow, "Verifying checksum...")
+	if err := verifyAssetChecksum(assetPath, asset.Digest); err != nil {
+		return false, err
+	}
 
 	ColorPrintf(ColorYellow, "Extracting %s...", asset.Name)
 
-	extractDir := filepath.Join(releaseDir, "extracted_"+asset.Name)
-	defer os.RemoveAll(extractDir)
+	extractDir := filepath.Join(releaseDir, "extracted")
 
 	// Extract the archive (automatically detects format)
 	if err := extract(assetPath, extractDir); err != nil {

internal/ghupdate/ghupdate_test.go

@@ -1,6 +1,9 @@
 package ghupdate
 
 import (
+	"archive/tar"
+	"compress/gzip"
+	"os"
 	"path/filepath"
 	"testing"
 )
@@ -43,3 +46,59 @@ func TestExtractFailure(t *testing.T) {
 		t.Fatal("Expected Extract to fail due to missing tar.gz file")
 	}
 }
+
+func TestArchivePath(t *testing.T) {
+	destDir := t.TempDir()
+	for _, name := range []string{
+		"",
+		"..",
+		filepath.Join("..", "file"),
+		filepath.Join("dir", "..", "..", "file"),
+		string(os.PathSeparator) + filepath.Join("tmp", "file"),
+	} {
+		if _, err := archivePath(destDir, name); err == nil {
+			t.Errorf("expected %q to be rejected", name)
+		}
+	}
+
+	name := filepath.Join("dir", "file")
+	if path, err := archivePath(destDir, name); err != nil || path != filepath.Join(destDir, name) {
+		t.Errorf("archivePath(%q) = %q, %v", name, path, err)
+	}
+}
+
+func TestExtractTarGzRejectsPathTraversal(t *testing.T) {
+	testDir := t.TempDir()
+	archivePath := filepath.Join(testDir, "malicious.tar.gz")
+	destDir := filepath.Join(testDir, "extract")
+	escapedPath := filepath.Join(testDir, "escaped")
+
+	archive, err := os.Create(archivePath)
+	if err != nil {
+		t.Fatal(err)
+	}
+	gz := gzip.NewWriter(archive)
+	tw := tar.NewWriter(gz)
+	if err := tw.WriteHeader(&tar.Header{Name: "../escaped", Mode: 0600, Size: 1}); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := tw.Write([]byte("x")); err != nil {
+		t.Fatal(err)
+	}
+	if err := tw.Close(); err != nil {
+		t.Fatal(err)
+	}
+	if err := gz.Close(); err != nil {
+		t.Fatal(err)
+	}
+	if err := archive.Close(); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := extract(archivePath, destDir); err == nil {
+		t.Fatal("expected path traversal archive to be rejected")
+	}
+	if _, err := os.Stat(escapedPath); !os.IsNotExist(err) {
+		t.Fatalf("path traversal wrote %s", escapedPath)
+	}
+}

internal/ghupdate/release.go

@@ -8,6 +8,7 @@ import (
 type releaseAsset struct {
 	Name        string `json:"name"`
 	DownloadUrl string `json:"browser_download_url"`
+	Digest      string `json:"digest"`
 	Id          int    `json:"id"`
 	Size        int    `json:"size"`
 }

internal/hub/agent_connect.go

@@ -317,6 +317,9 @@ func getRealIP(r *http.Request) string {
 	if ip := r.Header.Get("CF-Connecting-IP"); ip != "" {
 		return ip
 	}
+	if ip := r.Header.Get("X-Real-IP"); ip != "" {
+		return ip
+	}
 	if ip := r.Header.Get("X-Forwarded-For"); ip != "" {
 		// X-Forwarded-For can contain a comma-separated list: "client_ip, proxy1, proxy2"
 		// Take the first one

internal/hub/agent_connect_test.go

@@ -1796,6 +1796,24 @@ func TestGetRealIP(t *testing.T) {
 			remoteAddr: "127.0.0.1:12345",
 			expectedIP: "192.168.1.8",
 		},
+		{
+			name:       "X-Real-IP header",
+			headers:    map[string]string{"X-Real-IP": "10.8.0.4"},
+			remoteAddr: "172.21.0.1:12345",
+			expectedIP: "10.8.0.4",
+		},
+		{
+			name:       "X-Real-IP takes precedence over X-Forwarded-For",
+			headers:    map[string]string{"X-Real-IP": "10.8.0.4", "X-Forwarded-For": "10.8.0.5"},
+			remoteAddr: "172.21.0.1:12345",
+			expectedIP: "10.8.0.4",
+		},
+		{
+			name:       "CF-Connecting-IP takes precedence over X-Real-IP",
+			headers:    map[string]string{"CF-Connecting-IP": "1.2.3.4", "X-Real-IP": "10.8.0.4"},
+			remoteAddr: "172.21.0.1:12345",
+			expectedIP: "1.2.3.4",
+		},
 	}
 
 	for _, tc := range testCases {

internal/hub/collections.go

@@ -78,7 +78,7 @@ func setCollectionAuthSettings(app core.App) error {
 		return err
 	}
 
-	if err := applyCollectionRules(app, []string{"containers", "container_stats", "system_stats", "systemd_services", "network_probe_stats"}, collectionRules{
+	if err := applyCollectionRules(app, []string{"containers", "container_stats", "system_stats", "systemd_services"}, collectionRules{
 		list: &systemScopedReadRule,
 	}); err != nil {
 		return err
@@ -92,7 +92,7 @@ func setCollectionAuthSettings(app core.App) error {
 		return err
 	}
 
-	if err := applyCollectionRules(app, []string{"fingerprints", "network_probes"}, collectionRules{
+	if err := applyCollectionRules(app, []string{"fingerprints"}, collectionRules{
 		list:   &systemScopedReadRule,
 		view:   &systemScopedReadRule,
 		create: &systemScopedWriteRule,

internal/hub/config/config_test.go

@@ -64,7 +64,7 @@ func createConfigTestFingerprint(app core.App, systemID, token, fingerprint stri
 
 // TestConfigSyncWithTokens tests the config.SyncSystems function with various token scenarios
 func TestConfigSyncWithTokens(t *testing.T) {
-	testHub, err := tests.NewTestHub()
+	testHub, err := tests.NewTestHub(t.TempDir())
 	require.NoError(t, err)
 	defer testHub.Cleanup()
 

internal/hub/hub.go

@@ -81,7 +81,6 @@ func (h *Hub) StartHub() error {
 		}
 		// register middlewares
 		h.registerMiddlewares(e)
-		// bind events that aren't set up in different
 		// register api routes
 		if err := h.registerApiRoutes(e); err != nil {
 			return err
@@ -110,8 +109,6 @@ func (h *Hub) StartHub() error {
 	h.App.OnRecordCreate("users").BindFunc(h.um.InitializeUserRole)
 	h.App.OnRecordCreate("user_settings").BindFunc(h.um.InitializeUserSettings)
 
-	bindNetworkProbesEvents(h)
-
 	pb, ok := h.App.(*pocketbase.PocketBase)
 	if !ok {
 		return errors.New("not a pocketbase app")

internal/hub/probes.go

@@ -1,154 +0,0 @@
-package hub
-
-import (
-	"strconv"
-	"time"
-
-	"github.com/henrygd/beszel/internal/entities/probe"
-	"github.com/henrygd/beszel/internal/hub/systems"
-	"github.com/pocketbase/pocketbase/core"
-	"github.com/pocketbase/pocketbase/tools/types"
-)
-
-// generateProbeID creates a stable hash ID for a probe based on its configuration and the system it belongs to.
-func generateProbeID(systemId string, config probe.Config) string {
-	return systems.MakeStableHashId(systemId, config.Target, config.Protocol, strconv.FormatUint(uint64(config.Port), 10))
-}
-
-// bindNetworkProbesEvents keeps probe records and agent probe state in sync.
-func bindNetworkProbesEvents(hub *Hub) {
-	// on create, make sure the id is set to a stable hash
-	hub.OnRecordCreate("network_probes").BindFunc(func(e *core.RecordEvent) error {
-		systemID := e.Record.GetString("system")
-		config := probeConfigFromRecord(e.Record)
-		id := generateProbeID(systemID, *config)
-		e.Record.Set("id", id)
-		return e.Next()
-	})
-
-	// sync probe to agent on creation and persist the first result immediately when available
-	hub.OnRecordAfterCreateSuccess("network_probes").BindFunc(func(e *core.RecordEvent) error {
-		err := e.Next()
-		if err != nil {
-			return err
-		}
-		if !e.Record.GetBool("enabled") {
-			return nil
-		}
-		// if system connected, run the probe immediately
-		// if not, return and wait for the system to connect and sync probes then
-		system, err := hub.sm.GetSystem(e.Record.GetString("system"))
-		if err != nil || system.Status != "up" {
-			return nil
-		}
-		result, err := hub.upsertNetworkProbe(e.Record, true)
-		if err != nil {
-			hub.Logger().Warn("failed to sync probe to agent", "system", e.Record.GetString("system"), "probe", e.Record.Id, "err", err)
-			return nil
-		}
-		if result == nil {
-			return nil
-		}
-		setProbeResultFields(e.Record, *result)
-		if err := e.App.SaveNoValidate(e.Record); err != nil {
-			hub.Logger().Warn("failed to save initial probe result", "system", e.Record.GetString("system"), "probe", e.Record.Id, "err", err)
-		}
-		return e.Next()
-	})
-
-	// On API update requests, if the probe config changed in a way that requires a new ID, we will create a new
-	// record with the new ID and delete the old one. Otherwise, we will just update the existing probe on the agent.
-	hub.OnRecordUpdateRequest("network_probes").BindFunc(func(e *core.RecordRequestEvent) error {
-		systemID := e.Record.GetString("system")
-		ID := generateProbeID(systemID, *probeConfigFromRecord(e.Record))
-		if ID != e.Record.Id {
-			newRecord := copyProbeToNewRecord(e.Record, ID)
-			if err := e.App.Save(newRecord); err != nil {
-				return err
-			}
-			if err := e.App.Delete(e.Record); err != nil {
-				return err
-			}
-			return nil
-		}
-		err := e.Next()
-		if e.Record.GetBool("enabled") {
-			var result *probe.Result
-			runNow := !e.Record.Original().GetBool("enabled")
-			result, err = hub.upsertNetworkProbe(e.Record, runNow)
-			if result != nil {
-				setProbeResultFields(e.Record, *result)
-				_ = e.App.SaveNoValidate(e.Record)
-			}
-		} else {
-			err = hub.deleteNetworkProbe(e.Record)
-		}
-		if err != nil {
-			hub.Logger().Warn("failed to sync updated probe", "system", e.Record.GetString("system"), "probe", e.Record.Id, "err", err)
-		}
-		return nil
-	})
-
-	// sync probe to agent on delete
-	hub.OnRecordAfterDeleteSuccess("network_probes").BindFunc(func(e *core.RecordEvent) error {
-		if err := hub.deleteNetworkProbe(e.Record); err != nil {
-			hub.Logger().Warn("failed to delete probe on agent", "system", e.Record.GetString("system"), "probe", e.Record.Id, "err", err)
-		}
-		return e.Next()
-	})
-}
-
-// probeConfigFromRecord builds a probe config from a network_probes record.
-func probeConfigFromRecord(record *core.Record) *probe.Config {
-	return &probe.Config{
-		ID:       record.Id,
-		Target:   record.GetString("target"),
-		Protocol: record.GetString("protocol"),
-		Port:     uint16(record.GetInt("port")),
-		Interval: uint16(record.GetInt("interval")),
-	}
-}
-
-// setProbeResultFields stores the latest probe result values on the record.
-func setProbeResultFields(record *core.Record, result probe.Result) {
-	now := time.Now().UTC()
-	nowString := now.Format(types.DefaultDateLayout)
-	record.Set("res", result.Get(0))
-	record.Set("resAvg1h", result.Get(1))
-	record.Set("resMin1h", result.Get(2))
-	record.Set("resMax1h", result.Get(3))
-	record.Set("loss", result.Get(4))
-	record.Set("loss1h", result.Get(5))
-	record.Set("updated", nowString)
-}
-
-// copyProbeToNewRecord creates a new record with the same field values as the old one.
-// This is used when the probe config changes in a way that requires a new ID, so we need
-// to create a new record with the new ID and delete the old one.
-func copyProbeToNewRecord(oldRecord *core.Record, newID string) *core.Record {
-	collection := oldRecord.Collection()
-	newRecord := core.NewRecord(collection)
-	newRecord.Load(oldRecord.FieldsData())
-	newRecord.Set("id", newID)
-	return newRecord
-}
-
-// upsertNetworkProbe applies the record's probe config to the target system.
-func (h *Hub) upsertNetworkProbe(record *core.Record, runNow bool) (*probe.Result, error) {
-	systemID := record.GetString("system")
-	system, err := h.sm.GetSystem(systemID)
-	if err != nil {
-		return nil, err
-	}
-	return system.UpsertNetworkProbe(*probeConfigFromRecord(record), runNow)
-}
-
-// deleteNetworkProbe removes the record's probe from the target system.
-func (h *Hub) deleteNetworkProbe(record *core.Record) error {
-	systemID := record.GetString("system")
-	system, err := h.sm.GetSystem(systemID)
-	if err != nil {
-		return err
-	}
-	return system.DeleteNetworkProbe(record.Id)
-}

internal/hub/probes_test.go

@@ -1,101 +0,0 @@
-package hub
-
-import (
-	"testing"
-
-	"github.com/henrygd/beszel/internal/entities/probe"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestGenerateProbeID(t *testing.T) {
-	tests := []struct {
-		name     string
-		systemID string
-		config   probe.Config
-		expected string
-	}{
-		{
-			name:     "HTTP probe on example.com",
-			systemID: "sys123",
-			config: probe.Config{
-				Protocol: "http",
-				Target:   "example.com",
-				Port:     80,
-				Interval: 60,
-			},
-			expected: "de7b3647",
-		},
-		{
-			name:     "HTTP probe on example.com with different system ID",
-			systemID: "sys1234",
-			config: probe.Config{
-				Protocol: "http",
-				Target:   "example.com",
-				Port:     80,
-				Interval: 60,
-			},
-			expected: "be9e2707",
-		},
-		{
-			name:     "Same probe, different interval",
-			systemID: "sys1234",
-			config: probe.Config{
-				Protocol: "http",
-				Target:   "example.com",
-				Port:     80,
-				Interval: 120,
-			},
-			expected: "be9e2707",
-		},
-		{
-			name:     "ICMP probe on 1.1.1.1",
-			systemID: "sys456",
-			config: probe.Config{
-				Protocol: "icmp",
-				Target:   "1.1.1.1",
-				Port:     0,
-				Interval: 10,
-			},
-			expected: "49ec14fc",
-		}, {
-			name:     "ICMP probe on 1.1.1.1 with different system ID",
-			systemID: "sys4567",
-			config: probe.Config{
-				Protocol: "icmp",
-				Target:   "1.1.1.1",
-				Port:     0,
-				Interval: 10,
-			},
-			expected: "84921aa3",
-		},
-		{
-			name:     "TCP probe on example.com with port 443",
-			systemID: "sys789",
-			config: probe.Config{
-				Protocol: "tcp",
-				Target:   "example.com",
-				Port:     443,
-				Interval: 30,
-			},
-			expected: "677b991",
-		},
-		{
-			name:     "TCP probe on example.com with port 8443",
-			systemID: "sys789",
-			config: probe.Config{
-				Protocol: "tcp",
-				Target:   "example.com",
-				Port:     8443,
-				Interval: 30,
-			},
-			expected: "84167969",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got := generateProbeID(tt.systemID, tt.config)
-			assert.Equal(t, tt.expected, got, "generateProbeID() = %v, want %v", got, tt.expected)
-		})
-	}
-}

internal/hub/systems/ssh_timeout_test.go

@@ -0,0 +1,56 @@
+//go:build testing
+
+package systems
+
+import (
+	"errors"
+	"testing"
+	"testing/synctest"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestRunWithTimeout covers the guard added for issue #2041: the per-system SSH
+// data exchange must never block the updater indefinitely on a dead connection.
+func TestRunWithTimeout(t *testing.T) {
+	t.Run("returns the operation result when it completes before the timeout", func(t *testing.T) {
+		synctest.Test(t, func(t *testing.T) {
+			wantErr := errors.New("boom")
+			onTimeoutCalled := false
+
+			retry, err := runWithTimeout(10*time.Second, func() (bool, error) {
+				return true, wantErr
+			}, func() { onTimeoutCalled = true })
+
+			assert.True(t, retry, "should return the operation's retry value")
+			assert.Equal(t, wantErr, err, "should return the operation's error")
+			assert.False(t, onTimeoutCalled, "onTimeout must not fire when the op completes")
+		})
+	})
+
+	t.Run("times out and tears down the connection when the op blocks", func(t *testing.T) {
+		synctest.Test(t, func(t *testing.T) {
+			// unblock simulates a half-open connection: the op is stuck reading a
+			// response that never arrives until the connection is torn down.
+			unblock := make(chan struct{})
+			onTimeoutCalled := false
+			start := time.Now()
+
+			retry, err := runWithTimeout(5*time.Second, func() (bool, error) {
+				<-unblock
+				return false, nil
+			}, func() {
+				onTimeoutCalled = true
+				close(unblock) // tearing down the connection releases the blocked read
+			})
+
+			assert.Equal(t, 5*time.Second, time.Since(start), "should return exactly at the timeout")
+			assert.True(t, retry, "a timeout should be retryable so the next tick re-dials")
+			assert.Error(t, err, "a timeout must surface an error so the system is set down")
+			assert.True(t, onTimeoutCalled, "onTimeout must fire so the dead connection is closed")
+
+			synctest.Wait() // ensure the released op goroutine exits cleanly
+		})
+	})
+}

internal/hub/systems/system.go

@@ -18,7 +18,6 @@ import (
 	"github.com/henrygd/beszel/internal/hub/ws"
 
 	"github.com/henrygd/beszel/internal/entities/container"
-	"github.com/henrygd/beszel/internal/entities/probe"
 	"github.com/henrygd/beszel/internal/entities/smart"
 	"github.com/henrygd/beszel/internal/entities/system"
 	"github.com/henrygd/beszel/internal/entities/systemd"
@@ -30,7 +29,6 @@ import (
 	"github.com/lxzan/gws"
 	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase/core"
-	"github.com/pocketbase/pocketbase/tools/types"
 	"golang.org/x/crypto/ssh"
 )
 
@@ -240,12 +238,6 @@ func (sys *System) createRecords(data *system.CombinedData) (*core.Record, error
 			}
 		}
 
-		if data.Probes != nil {
-			if err := updateNetworkProbesRecords(txApp, data.Probes, sys.Id); err != nil {
-				return err
-			}
-		}
-
 		// update system record (do this last because it triggers alerts and we need above records to be inserted first)
 		systemRecord.Set("status", up)
 		systemRecord.Set("info", data.Info)
@@ -297,7 +289,7 @@ func createSystemdStatsRecords(app core.App, data []*systemd.Service, systemId s
 	for i, service := range data {
 		suffix := fmt.Sprintf("%d", i)
 		valueStrings = append(valueStrings, fmt.Sprintf("({:id%[1]s}, {:system}, {:name%[1]s}, {:state%[1]s}, {:sub%[1]s}, {:cpu%[1]s}, {:cpuPeak%[1]s}, {:memory%[1]s}, {:memPeak%[1]s}, {:updated})", suffix))
-		params["id"+suffix] = MakeStableHashId(systemId, service.Name)
+		params["id"+suffix] = makeStableHashId(systemId, service.Name)
 		params["name"+suffix] = service.Name
 		params["state"+suffix] = service.State
 		params["sub"+suffix] = service.Sub
@@ -314,92 +306,6 @@ func createSystemdStatsRecords(app core.App, data []*systemd.Service, systemId s
 	return err
 }
 
-func updateNetworkProbesRecords(app core.App, data map[string]probe.Result, systemId string) error {
-	if len(data) == 0 {
-		return nil
-	}
-	var err error
-	collectionName := "network_probes"
-
-	// If realtime updates are active, we save via PocketBase records to trigger realtime events.
-	// Otherwise we can do a more efficient direct update via SQL
-	realtimeActive := utils.RealtimeActiveForCollection(app, collectionName, func(filterQuery string) bool {
-		return !strings.Contains(filterQuery, "system") || strings.Contains(filterQuery, systemId)
-	})
-
-	now := time.Now().UTC()
-	nowMilli := now.UnixMilli()
-	nowString := now.Format(types.DefaultDateLayout)
-	var db dbx.Builder
-	var updateQuery *dbx.Query
-	if !realtimeActive {
-		db = app.DB()
-		sql := fmt.Sprintf("UPDATE %s SET res={:res}, resMin1h={:resMin1h}, resMax1h={:resMax1h}, resAvg1h={:resAvg1h}, loss={:loss}, loss1h={:loss1h}, updated={:updated} WHERE id={:id}", collectionName)
-		updateQuery = db.NewQuery(sql)
-	}
-
-	// update network_probes records
-	for id, values := range data {
-		switch realtimeActive {
-		case true:
-			var record *core.Record
-			record, err = app.FindRecordById(collectionName, id)
-			if err == nil {
-				record.Set("res", values.Get(0))
-				record.Set("resAvg1h", values.Get(1))
-				record.Set("resMin1h", values.Get(2))
-				record.Set("resMax1h", values.Get(3))
-				record.Set("loss", values.Get(4))
-				record.Set("loss1h", values.Get(5))
-				record.Set("updated", nowString)
-				err = app.SaveNoValidate(record)
-			}
-		default:
-			_, err = updateQuery.Bind(dbx.Params{
-				"id":       id,
-				"res":      values.Get(0),
-				"resAvg1h": values.Get(1),
-				"resMin1h": values.Get(2),
-				"resMax1h": values.Get(3),
-				"loss":     values.Get(4),
-				"loss1h":   values.Get(5),
-				"updated":  nowString,
-			}).Execute()
-		}
-		if err != nil {
-			app.Logger().Warn("Failed to update probe", "system", systemId, "probe", id, "err", err)
-		}
-	}
-
-	// insert network probe stats records
-	switch realtimeActive {
-	case true:
-		collection, _ := app.FindCachedCollectionByNameOrId("network_probe_stats")
-		record := core.NewRecord(collection)
-		record.Set("system", systemId)
-		record.Set("stats", data)
-		record.Set("type", "1m")
-		record.Set("created", nowMilli)
-		err = app.SaveNoValidate(record)
-	default:
-		var statsJson types.JSONRaw
-		if err := statsJson.Scan(data); err == nil {
-			insertQuery := db.NewQuery("INSERT INTO network_probe_stats (system, stats, type, created) VALUES ({:system}, {:stats}, {:type}, {:created})")
-			_, err = insertQuery.Bind(dbx.Params{
-				"system":  systemId,
-				"stats":   statsJson,
-				"type":    "1m",
-				"created": nowMilli,
-			}).Execute()
-		}
-	}
-	if err != nil {
-		app.Logger().Error("Failed to update probe stats", "system", systemId, "err", err)
-	}
-
-	return nil
-}
-
 // createContainerRecords creates container records
 func createContainerRecords(app core.App, data []*container.Stats, systemId string) error {
 	if len(data) == 0 {
@@ -442,6 +348,9 @@ func (sys *System) getRecord(app core.App) (*core.Record, error) {
 	record, err := app.FindRecordById("systems", sys.Id)
 	if err != nil || record == nil {
 		_ = sys.manager.RemoveSystem(sys.Id)
+		if err == nil {
+			err = fmt.Errorf("system record %s not found", sys.Id)
+		}
 		return nil, err
 	}
 	return record, nil
@@ -471,10 +380,16 @@ func (sys *System) HasUser(app core.App, user *core.Record) bool {
 // setDown marks a system as down in the database.
 // It takes the original error that caused the system to go down and returns any error
 // encountered during the process of updating the system status.
+// It is a no-op if the system's context has been cancelled.
 func (sys *System) setDown(originalError error) error {
 	if sys.Status == down || sys.Status == paused {
 		return nil
 	}
+	// the updater can race shutdown, and the app may already be disposed by the
+	// time we get here, so don't touch the database once the context is cancelled
+	if sys.ctx != nil && sys.ctx.Err() != nil {
+		return sys.ctx.Err()
+	}
 	record, err := sys.getRecord(sys.manager.hub)
 	if err != nil {
 		return err
@@ -482,6 +397,7 @@ func (sys *System) setDown(originalError error) error {
 	if originalError != nil {
 		sys.manager.hub.Logger().Error("System down", "system", record.GetString("name"), "err", originalError)
 	}
+	sys.detailsFetched.Store(false)
 	record.Set("status", down)
 	return sys.manager.hub.SaveNoValidate(record)
 }
@@ -625,16 +541,21 @@ func (sys *System) FetchSystemdInfoFromAgent(serviceName string) (systemd.Servic
 	return result, err
 }
 
-// FetchSmartDataFromAgent fetches SMART data from the agent
-func (sys *System) FetchSmartDataFromAgent() (map[string]smart.SmartData, error) {
+// FetchSmartDataFromAgent fetches SMART data from the agent.
+func (sys *System) FetchSmartDataFromAgent() (smart.SmartDataResponse, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
 	defer cancel()
-	var result map[string]smart.SmartData
+	if sys.agentVersion.LT(beszel.MinVersionAgentResponse) {
+		var data map[string]smart.SmartData
+		err := sys.request(ctx, common.GetSmartData, nil, &data)
+		return smart.SmartDataResponse{Data: data}, err
+	}
+	var result smart.SmartDataResponse
 	err := sys.request(ctx, common.GetSmartData, nil, &result)
 	return result, err
 }
 
-func MakeStableHashId(strings ...string) string {
+func makeStableHashId(strings ...string) string {
 	hash := fnv.New32a()
 	for _, str := range strings {
 		hash.Write([]byte(str))
@@ -717,10 +638,17 @@ func (sys *System) runSSHOperation(timeout time.Duration, retries int, operation
 			continue
 		}
 
-		retry, opErr := func() (bool, error) {
+		// Bound the whole operation. A half-open TCP connection (a dead peer that
+		// never sends RST/FIN) or a wedged agent that accepts the session but
+		// never writes a response would otherwise block the read forever. Because
+		// StartUpdater runs update() synchronously on its ticker, that stalls the
+		// per-system updater indefinitely with no error and no re-dial until the
+		// hub is restarted (issue #2041). On timeout we tear down the connection
+		// so the blocked read unwinds and the system is re-dialed on the next tick.
+		retry, opErr := runWithTimeout(sshOperationTimeout, func() (bool, error) {
 			defer session.Close()
 			return operation(session)
-		}()
+		}, sys.closeSSHConnection)
 
 		if opErr == nil {
 			return nil
@@ -739,6 +667,43 @@ func (sys *System) runSSHOperation(timeout time.Duration, retries int, operation
 	return fmt.Errorf("ssh operation failed")
 }
 
+// sshOperationTimeout bounds a single SSH data exchange (send request, read
+// response, wait for the remote command to exit). It is more generous than the
+// session-creation timeout to tolerate briefly slow agents, but is kept well
+// under the collection interval so a stalled connection is detected and
+// re-dialed within one cycle (see issue #2041).
+const sshOperationTimeout = 20 * time.Second
+
+// runWithTimeout runs op in a goroutine and returns its result, or, if op does
+// not finish within timeout, calls onTimeout (used to tear down the connection
+// so a blocked op can unwind) and returns a retryable timeout error. This
+// guarantees the caller can never block indefinitely on a dead SSH connection.
+func runWithTimeout(timeout time.Duration, op func() (bool, error), onTimeout func()) (retry bool, err error) {
+	type opResult struct {
+		retry bool
+		err   error
+	}
+	// Buffered so the op goroutine never leaks even when we return on timeout.
+	done := make(chan opResult, 1)
+	go func() {
+		r, e := op()
+		done <- opResult{retry: r, err: e}
+	}()
+
+	timer := time.NewTimer(timeout)
+	defer timer.Stop()
+
+	select {
+	case res := <-done:
+		return res.retry, res.err
+	case <-timer.C:
+		if onTimeout != nil {
+			onTimeout()
+		}
+		return true, fmt.Errorf("ssh operation timed out after %s", timeout)
+	}
+}
+
 // createSSHClient creates a new SSH client for the system
 func (s *System) createSSHClient() error {
 	if s.manager.sshConfig == nil {
@@ -754,7 +719,7 @@ func (s *System) createSSHClient() error {
 		host = net.JoinHostPort(host, s.Port)
 	}
 	var err error
-	s.client, err = ssh.Dial(network, host, s.manager.sshConfig)
+	s.client, err = dialSSHWithKeepAlive(network, host, s.manager.sshConfig)
 	if err != nil {
 		return err
 	}
@@ -763,6 +728,34 @@ func (s *System) createSSHClient() error {
 	return nil
 }
 
+// sshKeepAliveInterval is the TCP keep-alive idle interval for SSH connections
+// to agents. Enabling OS-level keep-alives lets the hub eventually detect a
+// dead peer on an otherwise idle connection instead of trusting it forever.
+// This is a backstop for genuine network death; an application-level wedge
+// (agent process hung while its kernel keeps ACKing) is caught by the
+// per-operation timeout in runSSHOperation instead (see issue #2041).
+const sshKeepAliveInterval = 30 * time.Second
+
+// dialSSHWithKeepAlive dials an SSH connection like ssh.Dial, but enables TCP
+// keep-alive on the underlying connection so half-open connections are
+// eventually detected by the operating system.
+func dialSSHWithKeepAlive(network, addr string, config *ssh.ClientConfig) (*ssh.Client, error) {
+	dialer := net.Dialer{
+		Timeout:   config.Timeout,
+		KeepAlive: sshKeepAliveInterval,
+	}
+	conn, err := dialer.Dial(network, addr)
+	if err != nil {
+		return nil, err
+	}
+	sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
+	if err != nil {
+		_ = conn.Close()
+		return nil, err
+	}
+	return ssh.NewClient(sshConn, chans, reqs), nil
+}
+
 // createSessionWithTimeout creates a new SSH session with a timeout to avoid hanging
 // in case of network issues
 func (sys *System) createSessionWithTimeout(timeout time.Duration) (*ssh.Session, error) {

internal/hub/systems/system_manager.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/henrygd/beszel/internal/hub/ws"
 
-	"github.com/henrygd/beszel/internal/entities/probe"
 	"github.com/henrygd/beszel/internal/entities/system"
 	"github.com/henrygd/beszel/internal/hub/expirymap"
 
@@ -16,7 +15,6 @@ import (
 	"github.com/henrygd/beszel"
 
 	"github.com/blang/semver"
-	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase/core"
 	"github.com/pocketbase/pocketbase/tools/store"
 	"golang.org/x/crypto/ssh"
@@ -319,17 +317,6 @@ func (sm *SystemManager) AddWebSocketSystem(systemId string, agentVersion semver
 	if err := sm.AddRecord(systemRecord, system); err != nil {
 		return err
 	}
-
-	// Sync network probes to the newly connected agent
-	go func() {
-		configs := sm.GetProbeConfigsForSystem(systemId)
-		if len(configs) > 0 {
-			if err := system.SyncNetworkProbes(configs); err != nil {
-				sm.hub.Logger().Warn("failed to sync probes to agent", "system", systemId, "err", err)
-			}
-		}
-	}()
-
 	return nil
 }
 
@@ -342,16 +329,6 @@ func (sm *SystemManager) resetFailedSmartFetchState(systemID string) {
 	}
 }
 
-// GetProbeConfigsForSystem returns all enabled probe configs for a system.
-func (sm *SystemManager) GetProbeConfigsForSystem(systemID string) []probe.Config {
-	var configs []probe.Config
-	_ = sm.hub.DB().
-		NewQuery("SELECT id, target, protocol, port, interval FROM network_probes WHERE system = {:system} AND enabled = true").
-		Bind(dbx.Params{"system": systemID}).
-		All(&configs)
-	return configs
-}
-
 // createSSHClientConfig initializes the SSH client configuration for connecting to an agent's server
 func (sm *SystemManager) createSSHClientConfig() error {
 	privateKey, err := sm.hub.GetSSHKey("")

internal/hub/systems/system_probes.go

@@ -1,48 +0,0 @@
-package systems
-
-import (
-	"context"
-	"time"
-
-	"github.com/henrygd/beszel/internal/common"
-	"github.com/henrygd/beszel/internal/entities/probe"
-)
-
-// SyncNetworkProbes sends probe configurations to the agent.
-func (sys *System) SyncNetworkProbes(configs []probe.Config) error {
-	_, err := sys.syncNetworkProbes(probe.SyncRequest{Action: probe.SyncActionReplace, Configs: configs})
-	return err
-}
-
-// UpsertNetworkProbe sends a single probe configuration change to the agent.
-func (sys *System) UpsertNetworkProbe(config probe.Config, runNow bool) (*probe.Result, error) {
-	resp, err := sys.syncNetworkProbes(probe.SyncRequest{
-		Action: probe.SyncActionUpsert,
-		Config: config,
-		RunNow: runNow,
-	})
-	if err != nil {
-		return nil, err
-	}
-	if len(resp.Result) == 0 {
-		return nil, nil
-	}
-	result := resp.Result
-	return &result, nil
-}
-
-// DeleteNetworkProbe removes a single probe task from the agent.
-func (sys *System) DeleteNetworkProbe(id string) error {
-	_, err := sys.syncNetworkProbes(probe.SyncRequest{
-		Action: probe.SyncActionDelete,
-		Config: probe.Config{ID: id},
-	})
-	return err
-}
-
-func (sys *System) syncNetworkProbes(req probe.SyncRequest) (probe.SyncResponse, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var result probe.SyncResponse
-	return result, sys.request(ctx, common.SyncNetworkProbes, req, &result)
-}

internal/hub/systems/system_smart.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/henrygd/beszel/internal/entities/smart"
+	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase/core"
 )
 
@@ -17,13 +18,13 @@ type smartFetchState struct {
 
 // FetchAndSaveSmartDevices fetches SMART data from the agent and saves it to the database
 func (sys *System) FetchAndSaveSmartDevices() error {
-	smartData, err := sys.FetchSmartDataFromAgent()
+	response, err := sys.FetchSmartDataFromAgent()
 	if err != nil {
 		sys.recordSmartFetchResult(err, 0)
 		return err
 	}
-	err = sys.saveSmartDevices(smartData)
-	sys.recordSmartFetchResult(err, len(smartData))
+	err = sys.saveSmartDevices(response.Data, response.Complete)
+	sys.recordSmartFetchResult(err, len(response.Data))
 	return err
 }
 
@@ -61,8 +62,9 @@ func (sys *System) smartFetchInterval() time.Duration {
 	return time.Hour
 }
 
-// saveSmartDevices saves SMART device data to the smart_devices collection
-func (sys *System) saveSmartDevices(smartData map[string]smart.SmartData) error {
+// saveSmartDevices saves SMART device data and, after a complete refresh,
+// removes rows for devices that are no longer reported.
+func (sys *System) saveSmartDevices(smartData map[string]smart.SmartData, complete bool) error {
 	if len(smartData) == 0 {
 		return nil
 	}
@@ -73,20 +75,49 @@ func (sys *System) saveSmartDevices(smartData map[string]smart.SmartData) error
 		return err
 	}
 
-	for deviceKey, device := range smartData {
-		if err := sys.upsertSmartDeviceRecord(collection, deviceKey, device); err != nil {
-			return err
-		}
+	currentIDs := make(map[string]struct{}, len(smartData))
+	for deviceKey := range smartData {
+		currentIDs[makeStableHashId(sys.Id, deviceKey)] = struct{}{}
 	}
 
-	return nil
+	err = hub.RunInTransaction(func(txApp core.App) error {
+		if complete {
+			existing, err := txApp.FindRecordsByFilter(
+				collection,
+				"system = {:system}",
+				"",
+				0,
+				0,
+				dbx.Params{"system": sys.Id},
+			)
+			if err != nil {
+				return err
+			}
+			for _, record := range existing {
+				if _, ok := currentIDs[record.Id]; ok {
+					continue
+				}
+				if err := txApp.Delete(record); err != nil {
+					return err
+				}
+			}
+		}
+
+		for deviceKey, device := range smartData {
+			if err := sys.upsertSmartDeviceRecord(txApp, collection, deviceKey, device); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+	return err
 }
 
-func (sys *System) upsertSmartDeviceRecord(collection *core.Collection, deviceKey string, device smart.SmartData) error {
-	hub := sys.manager.hub
-	recordID := MakeStableHashId(sys.Id, deviceKey)
+func (sys *System) upsertSmartDeviceRecord(app core.App, collection *core.Collection, deviceKey string, device smart.SmartData) error {
+	recordID := makeStableHashId(sys.Id, deviceKey)
 
-	record, err := hub.FindRecordById(collection, recordID)
+	record, err := app.FindRecordById(collection, recordID)
 	if err != nil {
 		if !errors.Is(err, sql.ErrNoRows) {
 			return err
@@ -114,7 +145,7 @@ func (sys *System) upsertSmartDeviceRecord(collection *core.Collection, deviceKe
 	record.Set("cycles", powerCycles)
 	record.Set("attributes", device.Attributes)
 
-	return hub.SaveNoValidate(record)
+	return app.SaveNoValidate(record)
 }
 
 // extractPowerMetrics extracts power on hours and power cycles from SMART attributes

internal/hub/systems/system_smart_test.go

@@ -7,10 +7,53 @@ import (
 	"testing"
 	"time"
 
+	"github.com/henrygd/beszel/internal/entities/smart"
+	esystem "github.com/henrygd/beszel/internal/entities/system"
 	"github.com/henrygd/beszel/internal/hub/expirymap"
+	_ "github.com/henrygd/beszel/internal/migrations"
+
+	"github.com/pocketbase/pocketbase/core"
+	pbtests "github.com/pocketbase/pocketbase/tests"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/crypto/ssh"
 )
 
+// stubHub implements hubLike using a plain pocketbase test app, so
+// smart-device DB tests can run in-package without an import cycle to
+// internal/hub (which imports this package).
+type stubHub struct{ core.App }
+
+func (stubHub) GetSSHKey(dataDir string) (ssh.Signer, error) { return nil, nil }
+func (stubHub) HandleSystemAlerts(systemRecord *core.Record, data *esystem.CombinedData) error {
+	return nil
+}
+func (stubHub) HandleStatusAlerts(status string, systemRecord *core.Record) error { return nil }
+func (stubHub) CancelPendingStatusAlerts(systemID string)                         {}
+
+// newTestSystemWithHub creates a System backed by a real (temp) database, along
+// with a matching "systems" record, for tests that need to exercise DB reads/writes.
+func newTestSystemWithHub(t *testing.T) (*System, *pbtests.TestApp) {
+	t.Helper()
+	testApp, err := pbtests.NewTestApp(t.TempDir())
+	require.NoError(t, err)
+	t.Cleanup(testApp.Cleanup)
+
+	sm := &SystemManager{hub: stubHub{testApp}, smartFetchMap: expirymap.New[smartFetchState](time.Hour)}
+	t.Cleanup(sm.smartFetchMap.StopCleaner)
+
+	col, err := testApp.FindCachedCollectionByNameOrId("systems")
+	require.NoError(t, err)
+	systemRecord := core.NewRecord(col)
+	systemRecord.Set("name", "test-system")
+	systemRecord.Set("host", "127.0.0.1")
+	systemRecord.Set("port", "45876")
+	require.NoError(t, testApp.SaveNoValidate(systemRecord))
+
+	sys := &System{Id: systemRecord.Id, manager: sm}
+	return sys, testApp
+}
+
 func TestRecordSmartFetchResult(t *testing.T) {
 	sm := &SystemManager{smartFetchMap: expirymap.New[smartFetchState](time.Hour)}
 	t.Cleanup(sm.smartFetchMap.StopCleaner)
@@ -92,3 +135,95 @@ func TestResetFailedSmartFetchState(t *testing.T) {
 	_, ok = sm.smartFetchMap.GetOk("system-1")
 	assert.True(t, ok, "expected successful smart fetch state to be preserved")
 }
+
+// countSmartDeviceRecords returns the number of smart_devices rows for the given system.
+func countSmartDeviceRecords(t *testing.T, app core.App, systemID string) []*core.Record {
+	t.Helper()
+	records, err := app.FindAllRecords("smart_devices", nil)
+	require.NoError(t, err)
+	var forSystem []*core.Record
+	for _, r := range records {
+		if r.GetString("system") == systemID {
+			forSystem = append(forSystem, r)
+		}
+	}
+	return forSystem
+}
+
+func TestSaveSmartDevices_RemovesStaleDevices(t *testing.T) {
+	sys, testApp := newTestSystemWithHub(t)
+
+	// first fetch reports two devices: sda (serial AAA) and sdb (serial BBB)
+	err := sys.saveSmartDevices(map[string]smart.SmartData{
+		"AAA": {SerialNumber: "AAA", DiskName: "sda", ModelName: "Disk A"},
+		"BBB": {SerialNumber: "BBB", DiskName: "sdb", ModelName: "Disk B"},
+	}, true)
+	require.NoError(t, err)
+
+	records := countSmartDeviceRecords(t, testApp, sys.Id)
+	require.Len(t, records, 2, "expected both devices to be saved")
+
+	var recordA *core.Record
+	for _, r := range records {
+		if r.GetString("serial") == "AAA" {
+			recordA = r
+		}
+	}
+	require.NotNil(t, recordA, "expected to find device AAA")
+	originalID := recordA.Id
+
+	deleteEvents := 0
+	testApp.OnRecordAfterDeleteSuccess("smart_devices").BindFunc(func(e *core.RecordEvent) error {
+		deleteEvents++
+		return e.Next()
+	})
+
+	// A complete refresh confirms that BBB is gone, so remove it through
+	// PocketBase and notify realtime subscribers.
+	err = sys.saveSmartDevices(map[string]smart.SmartData{
+		"AAA": {SerialNumber: "AAA", DiskName: "sda", ModelName: "Disk A", Temperature: 42},
+	}, true)
+	require.NoError(t, err)
+
+	records = countSmartDeviceRecords(t, testApp, sys.Id)
+	require.Len(t, records, 1, "expected stale device BBB to be removed")
+	assert.Equal(t, "AAA", records[0].GetString("serial"))
+	assert.Equal(t, originalID, records[0].Id, "expected existing device to be updated in place, not recreated")
+	assert.EqualValues(t, 42, records[0].GetInt("temp"))
+	assert.Equal(t, 1, deleteEvents, "expected PocketBase delete hooks to run")
+}
+
+func TestSaveSmartDevices_IncompleteDataDoesNotRemoveDevices(t *testing.T) {
+	sys, testApp := newTestSystemWithHub(t)
+
+	require.NoError(t, sys.saveSmartDevices(map[string]smart.SmartData{
+		"AAA": {SerialNumber: "AAA", DiskName: "sda"},
+		"BBB": {SerialNumber: "BBB", DiskName: "sdb"},
+	}, true))
+
+	// AAA was collected but BBB failed. The response is useful for updating AAA,
+	// but it is not authoritative enough to remove BBB.
+	require.NoError(t, sys.saveSmartDevices(map[string]smart.SmartData{
+		"AAA": {SerialNumber: "AAA", DiskName: "sda", Temperature: 42},
+	}, false))
+
+	assert.Len(t, countSmartDeviceRecords(t, testApp, sys.Id), 2)
+	recordA, err := testApp.FindRecordById("smart_devices", makeStableHashId(sys.Id, "AAA"))
+	require.NoError(t, err)
+	assert.EqualValues(t, 42, recordA.GetInt("temp"))
+}
+
+func TestSaveSmartDevices_EmptyDataIsNoop(t *testing.T) {
+	sys, testApp := newTestSystemWithHub(t)
+
+	err := sys.saveSmartDevices(map[string]smart.SmartData{
+		"AAA": {SerialNumber: "AAA", DiskName: "sda"},
+	}, true)
+	require.NoError(t, err)
+
+	err = sys.saveSmartDevices(map[string]smart.SmartData{}, true)
+	require.NoError(t, err)
+
+	records := countSmartDeviceRecords(t, testApp, sys.Id)
+	assert.Len(t, records, 1, "empty fetch result should not delete existing devices")
+}

internal/hub/systems/system_systemd_test.go

@@ -14,9 +14,9 @@ func TestGetSystemdServiceId(t *testing.T) {
 		serviceName := "nginx.service"
 
 		// Call multiple times and ensure same result
-		id1 := MakeStableHashId(systemId, serviceName)
-		id2 := MakeStableHashId(systemId, serviceName)
-		id3 := MakeStableHashId(systemId, serviceName)
+		id1 := makeStableHashId(systemId, serviceName)
+		id2 := makeStableHashId(systemId, serviceName)
+		id3 := makeStableHashId(systemId, serviceName)
 
 		assert.Equal(t, id1, id2)
 		assert.Equal(t, id2, id3)
@@ -29,10 +29,10 @@ func TestGetSystemdServiceId(t *testing.T) {
 		serviceName1 := "nginx.service"
 		serviceName2 := "apache.service"
 
-		id1 := MakeStableHashId(systemId1, serviceName1)
-		id2 := MakeStableHashId(systemId2, serviceName1)
-		id3 := MakeStableHashId(systemId1, serviceName2)
-		id4 := MakeStableHashId(systemId2, serviceName2)
+		id1 := makeStableHashId(systemId1, serviceName1)
+		id2 := makeStableHashId(systemId2, serviceName1)
+		id3 := makeStableHashId(systemId1, serviceName2)
+		id4 := makeStableHashId(systemId2, serviceName2)
 
 		// All IDs should be different
 		assert.NotEqual(t, id1, id2)
@@ -56,14 +56,14 @@ func TestGetSystemdServiceId(t *testing.T) {
 		}
 
 		for _, tc := range testCases {
-			id := MakeStableHashId(tc.systemId, tc.serviceName)
+			id := makeStableHashId(tc.systemId, tc.serviceName)
 			// FNV-32 produces 8 hex characters
 			assert.Len(t, id, 8, "ID should be 8 characters for systemId='%s', serviceName='%s'", tc.systemId, tc.serviceName)
 		}
 	})
 
 	t.Run("hexadecimal output", func(t *testing.T) {
-		id := MakeStableHashId("test-system", "test-service")
+		id := makeStableHashId("test-system", "test-service")
 		assert.NotEmpty(t, id)
 
 		// Should only contain hexadecimal characters

internal/hub/systems/system_test.go

@@ -3,6 +3,7 @@
 package systems
 
 import (
+	"context"
 	"testing"
 
 	"github.com/henrygd/beszel/internal/entities/system"
@@ -157,3 +158,17 @@ func TestCombinedData_MigrateDeprecatedFields(t *testing.T) {
 		}
 	})
 }
+
+func TestSetDownAfterContextCancelled(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+	// manager is nil on purpose: setDown must bail out before touching the app
+	sys := &System{Status: up, ctx: ctx}
+
+	if err := sys.setDown(nil); err != context.Canceled {
+		t.Fatalf("expected context.Canceled, got %v", err)
+	}
+	if sys.Status != up {
+		t.Fatalf("status should be untouched, got %q", sys.Status)
+	}
+}

internal/hub/transport/transport.go

@@ -88,15 +88,23 @@ func unmarshalLegacyResponse(resp common.AgentResponse, action common.WebSocketA
 		*d = *resp.String
 		return nil
 	case common.GetSmartData:
-		d, ok := dest.(*map[string]smart.SmartData)
-		if !ok {
+		switch d := dest.(type) {
+		case *map[string]smart.SmartData:
+			if resp.SmartData == nil {
+				return errors.New("no SMART data in response")
+			}
+			*d = resp.SmartData
+			return nil
+		case *smart.SmartDataResponse:
+			if resp.SmartData == nil {
+				return errors.New("no SMART data in response")
+			}
+			d.Data = resp.SmartData
+			d.Complete = resp.SmartComplete
+			return nil
+		default:
 			return fmt.Errorf("unexpected dest type for GetSmartData: %T", dest)
 		}
-		if resp.SmartData == nil {
-			return errors.New("no SMART data in response")
-		}
-		*d = resp.SmartData
-		return nil
 	case common.GetSystemdInfo:
 		d, ok := dest.(*systemd.ServiceDetails)
 		if !ok {

internal/hub/transport/transport_test.go

@@ -0,0 +1,33 @@
+package transport
+
+import (
+	"testing"
+
+	"github.com/henrygd/beszel/internal/common"
+	"github.com/henrygd/beszel/internal/entities/smart"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestUnmarshalSmartDataResponse(t *testing.T) {
+	for _, test := range []struct {
+		name     string
+		complete bool
+	}{
+		{name: "complete response", complete: true},
+		{name: "older agent defaults to incomplete", complete: false},
+	} {
+		t.Run(test.name, func(t *testing.T) {
+			response := common.AgentResponse{
+				SmartData: map[string]smart.SmartData{
+					"AAA": {SerialNumber: "AAA"},
+				},
+				SmartComplete: test.complete,
+			}
+			var result smart.SmartDataResponse
+			require.NoError(t, UnmarshalResponse(response, common.GetSmartData, &result))
+			assert.Equal(t, test.complete, result.Complete)
+			assert.Equal(t, "AAA", result.Data["AAA"].SerialNumber)
+		})
+	}
+}

internal/hub/utils/utils.go

@@ -1,11 +1,7 @@
 // Package utils provides utility functions for the hub.
 package utils
 
-import (
-	"os"
-
-	"github.com/pocketbase/pocketbase/core"
-)
+import "os"
 
 // GetEnv retrieves an environment variable with a "BESZEL_HUB_" prefix, or falls back to the unprefixed key.
 func GetEnv(key string) (value string, exists bool) {
@@ -14,26 +10,3 @@ func GetEnv(key string) (value string, exists bool) {
 	}
 	return os.LookupEnv(key)
 }
-
-// realtimeActiveForCollection checks if there are active WebSocket subscriptions for the given collection.
-func RealtimeActiveForCollection(app core.App, collectionName string, validateFn func(filterQuery string) bool) bool {
-	broker := app.SubscriptionsBroker()
-	if broker.TotalClients() == 0 {
-		return false
-	}
-	for _, client := range broker.Clients() {
-		subs := client.Subscriptions(collectionName)
-		if len(subs) > 0 {
-			if validateFn == nil {
-				return true
-			}
-			for k := range subs {
-				filter := subs[k].Query["filter"]
-				if validateFn(filter) {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}

internal/migrations/0_collections_snapshot_0_19_0_dev_1.go

@@ -1699,223 +1699,6 @@ func init() {
 		"type": "base",
 		"updateRule": null,
 		"viewRule": null
-	},
-	{
-		"id": "np_probes_001",
-		"listRule": null,
-		"viewRule": null,
-		"createRule": null,
-		"updateRule": null,
-		"deleteRule": null,
-		"name": "network_probes",
-		"type": "base",
-		"fields": [
-			{
-				"autogeneratePattern": "[a-z0-9]{15}",
-				"hidden": false,
-				"id": "text3208210256",
-				"max": 15,
-				"min": 15,
-				"name": "id",
-				"pattern": "^[a-z0-9]+$",
-				"presentable": false,
-				"primaryKey": true,
-				"required": true,
-				"system": true,
-				"type": "text"
-			},
-			{
-				"cascadeDelete": true,
-				"collectionId": "2hz5ncl8tizk5nx",
-				"hidden": false,
-				"id": "np_system",
-				"maxSelect": 1,
-				"minSelect": 0,
-				"name": "system",
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "relation"
-			},
-			{
-				"hidden": false,
-				"id": "np_name",
-				"max": 200,
-				"min": 0,
-				"name": "name",
-				"pattern": "",
-				"presentable": false,
-				"primaryKey": false,
-				"required": false,
-				"system": false,
-				"type": "text"
-			},
-			{
-				"hidden": false,
-				"id": "np_target",
-				"max": 500,
-				"min": 1,
-				"name": "target",
-				"pattern": "",
-				"presentable": false,
-				"primaryKey": false,
-				"required": true,
-				"system": false,
-				"type": "text"
-			},
-			{
-				"hidden": false,
-				"id": "np_protocol",
-				"maxSelect": 1,
-				"name": "protocol",
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "select",
-				"values": ["icmp", "tcp", "http"]
-			},
-			{
-				"hidden": false,
-				"id": "np_port",
-				"max": 65535,
-				"min": 0,
-				"name": "port",
-				"onlyInt": true,
-				"presentable": false,
-				"required": false,
-				"system": false,
-				"type": "number"
-			},
-			{
-				"hidden": false,
-				"id": "np_interval",
-				"max": 3600,
-				"min": 1,
-				"name": "interval",
-				"onlyInt": true,
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "number"
-			},
-			{
-				"hidden": false,
-				"id": "np_enabled",
-				"name": "enabled",
-				"presentable": false,
-				"required": false,
-				"system": false,
-				"type": "bool"
-			},
-			{
-				"hidden": false,
-				"id": "autodate2990389176",
-				"name": "created",
-				"onCreate": true,
-				"onUpdate": false,
-				"presentable": false,
-				"system": false,
-				"type": "autodate"
-			},
-			{
-				"hidden": false,
-				"id": "autodate3332085495",
-				"name": "updated",
-				"onCreate": true,
-				"onUpdate": true,
-				"presentable": false,
-				"system": false,
-				"type": "autodate"
-			}
-		],
-		"indexes": [
-			"CREATE INDEX ` + "`" + `idx_np_system_enabled` + "`" + ` ON ` + "`" + `network_probes` + "`" + ` (\n  ` + "`" + `system` + "`" + `,\n  ` + "`" + `enabled` + "`" + `\n)"
-		],
-		"system": false
-	},
-	{
-		"id": "np_stats_001",
-		"listRule": null,
-		"viewRule": null,
-		"createRule": null,
-		"updateRule": null,
-		"deleteRule": null,
-		"name": "network_probe_stats",
-		"type": "base",
-		"fields": [
-			{
-				"autogeneratePattern": "[a-z0-9]{15}",
-				"hidden": false,
-				"id": "text3208210256",
-				"max": 15,
-				"min": 15,
-				"name": "id",
-				"pattern": "^[a-z0-9]+$",
-				"presentable": false,
-				"primaryKey": true,
-				"required": true,
-				"system": true,
-				"type": "text"
-			},
-			{
-				"cascadeDelete": true,
-				"collectionId": "2hz5ncl8tizk5nx",
-				"hidden": false,
-				"id": "nps_system",
-				"maxSelect": 1,
-				"minSelect": 0,
-				"name": "system",
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "relation"
-			},
-			{
-				"hidden": false,
-				"id": "nps_stats",
-				"maxSize": 2000000,
-				"name": "stats",
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "json"
-			},
-			{
-				"hidden": false,
-				"id": "nps_type",
-				"maxSelect": 1,
-				"name": "type",
-				"presentable": false,
-				"required": true,
-				"system": false,
-				"type": "select",
-				"values": ["1m", "10m", "20m", "120m", "480m"]
-			},
-			{
-				"hidden": false,
-				"id": "autodate2990389176",
-				"name": "created",
-				"onCreate": true,
-				"onUpdate": false,
-				"presentable": false,
-				"system": false,
-				"type": "autodate"
-			},
-			{
-				"hidden": false,
-				"id": "autodate3332085495",
-				"name": "updated",
-				"onCreate": true,
-				"onUpdate": true,
-				"presentable": false,
-				"system": false,
-				"type": "autodate"
-			}
-		],
-		"indexes": [
-			"CREATE INDEX ` + "`" + `idx_nps_system_type_created` + "`" + ` ON ` + "`" + `network_probe_stats` + "`" + ` (\n  ` + "`" + `system` + "`" + `,\n  ` + "`" + `type` + "`" + `,\n  ` + "`" + `created` + "`" + `\n)"
-		],
-		"system": false
 	}
 ]`
 

internal/records/probe_averaging_test.go

@@ -1,58 +0,0 @@
-//go:build testing
-
-package records_test
-
-import (
-	"testing"
-
-	"github.com/henrygd/beszel/internal/records"
-	"github.com/henrygd/beszel/internal/tests"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestAverageProbeStats(t *testing.T) {
-	hub, err := tests.NewTestHub(t.TempDir())
-	require.NoError(t, err)
-	defer hub.Cleanup()
-
-	rm := records.NewRecordManager(hub)
-	user, err := tests.CreateUser(hub, "probe-avg@example.com", "testtesttest")
-	require.NoError(t, err)
-	system, err := tests.CreateRecord(hub, "systems", map[string]any{
-		"name":   "probe-avg-system",
-		"host":   "localhost",
-		"port":   "45876",
-		"status": "up",
-		"users":  []string{user.Id},
-	})
-	require.NoError(t, err)
-
-	recordA, err := tests.CreateRecord(hub, "network_probe_stats", map[string]any{
-		"system": system.Id,
-		"type":   "1m",
-		"stats":  `{"icmp:1.1.1.1":[10,80,8,14,1]}`,
-	})
-	require.NoError(t, err)
-	recordB, err := tests.CreateRecord(hub, "network_probe_stats", map[string]any{
-		"system": system.Id,
-		"type":   "1m",
-		"stats":  `{"icmp:1.1.1.1":[40,100,9,50,5]}`,
-	})
-	require.NoError(t, err)
-
-	result := rm.AverageProbeStats(hub.DB(), records.RecordIds{
-		{Id: recordA.Id},
-		{Id: recordB.Id},
-	})
-
-	stats, ok := result["icmp:1.1.1.1"]
-	require.True(t, ok)
-	require.Len(t, stats, 5)
-	assert.Equal(t, 25.0, stats[0])
-	assert.Equal(t, 90.0, stats[1])
-	assert.Equal(t, 8.0, stats[2])
-	assert.Equal(t, 50.0, stats[3])
-	assert.Equal(t, 3.0, stats[4])
-}

internal/records/records.go

@@ -3,17 +3,15 @@ package records
 
 import (
 	"encoding/json"
-	"log"
+	"log/slog"
 	"math"
 	"time"
 
 	"github.com/henrygd/beszel/internal/entities/container"
-	"github.com/henrygd/beszel/internal/entities/probe"
 	"github.com/henrygd/beszel/internal/entities/system"
 
 	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase/core"
-	"github.com/pocketbase/pocketbase/tools/types"
 )
 
 type RecordManager struct {
@@ -41,7 +39,7 @@ type StatsRecord struct {
 
 // Create longer records by averaging shorter records
 func (rm *RecordManager) CreateLongerRecords() {
-	now := time.Now().UTC()
+	// start := time.Now()
 	longerRecordData := []LongerRecordData{
 		{
 			shorterType: "1m",
@@ -70,20 +68,18 @@ func (rm *RecordManager) CreateLongerRecords() {
 		},
 	}
 	// wrap the operations in a transaction
+	// Pocketbase cron does not handle errors, log them here.
 	rm.app.RunInTransaction(func(txApp core.App) error {
 		var err error
-
-		collections := [3]*core.Collection{}
+		collections := [2]*core.Collection{}
 		collections[0], err = txApp.FindCachedCollectionByNameOrId("system_stats")
 		if err != nil {
+			slog.Error("Error finding cached collection using system stats:", "err", err)
 			return err
 		}
 		collections[1], err = txApp.FindCachedCollectionByNameOrId("container_stats")
 		if err != nil {
-			return err
-		}
-		collections[2], err = txApp.FindCachedCollectionByNameOrId("network_probe_stats")
-		if err != nil {
+			slog.Error("Error finding cached collection using container stats:", "err", err)
 			return err
 		}
 		var systems RecordIds
@@ -98,74 +94,58 @@ func (rm *RecordManager) CreateLongerRecords() {
 				recordData := longerRecordData[i]
 				// log.Println("processing longer record type", recordData.longerType)
 				// add one minute padding for longer records because they are created slightly later than the job start time
-				longerRecordPeriod := now.Add(recordData.longerTimeDuration + time.Minute)
+				longerRecordPeriod := time.Now().UTC().Add(recordData.longerTimeDuration + time.Minute)
 				// shorter records are created independently of longer records, so we shouldn't need to add padding
-				shorterRecordPeriod := now.Add(recordData.longerTimeDuration)
+				shorterRecordPeriod := time.Now().UTC().Add(recordData.longerTimeDuration)
 				// loop through both collections
 				for _, collection := range collections {
 					// check creation time of last longer record if not 10m, since 10m is created every run
 					if recordData.longerType != "10m" {
-						var existingRecord struct {
-							Id string
-						}
-
-						params := dbx.Params{
-							"type":    recordData.longerType,
-							"system":  system.Id,
-							"created": getCreatedTimeField(collection.Name, longerRecordPeriod),
-						}
-
-						_ = db.Select("id").
-							From(collection.Name).
-							Where(dbx.NewExp("system = {:system} AND type = {:type} AND created > {:created}", params)).
-							Limit(1).
-							One(&existingRecord)
-
+						count, err := txApp.CountRecords(
+							collection.Id,
+							dbx.NewExp(
+								"system = {:system} AND type = {:type} AND created > {:created}",
+								dbx.Params{"type": recordData.longerType, "system": system.Id, "created": longerRecordPeriod},
+							),
+						)
 						// continue if longer record exists
-						if existingRecord.Id != "" {
+						if err != nil || count > 0 {
 							continue
 						}
 					}
 					// get shorter records from the past x minutes
 					var recordIds RecordIds
 
-					params := dbx.Params{
-						"type":    recordData.shorterType,
-						"system":  system.Id,
-						"created": getCreatedTimeField(collection.Name, shorterRecordPeriod),
-					}
-
-					_ = txApp.DB().
+					err := txApp.DB().
 						Select("id").
 						From(collection.Name).
-						Where(dbx.NewExp(
+						AndWhere(dbx.NewExp(
 							"system={:system} AND type={:type} AND created > {:created}",
-							params,
+							dbx.Params{
+								"type":    recordData.shorterType,
+								"system":  system.Id,
+								"created": shorterRecordPeriod,
+							},
 						)).
 						All(&recordIds)
 
 					// continue if not enough shorter records
-					if len(recordIds) < recordData.minShorterRecords {
+					if err != nil || len(recordIds) < recordData.minShorterRecords {
 						continue
 					}
 					// average the shorter records and create longer record
 					longerRecord := core.NewRecord(collection)
 					longerRecord.Set("system", system.Id)
 					longerRecord.Set("type", recordData.longerType)
-					// network_probe_stats uses created as unix timestamp in milliseconds, so we need to set it manually here instead of relying on the default created field
-					if collection.Name == "network_probe_stats" {
-						longerRecord.Set("created", now.UnixMilli())
-					}
 					switch collection.Name {
 					case "system_stats":
 						longerRecord.Set("stats", rm.AverageSystemStats(db, recordIds))
 					case "container_stats":
+
 						longerRecord.Set("stats", rm.AverageContainerStats(db, recordIds))
-					case "network_probe_stats":
-						longerRecord.Set("stats", rm.AverageProbeStats(db, recordIds))
 					}
 					if err := txApp.SaveNoValidate(longerRecord); err != nil {
-						log.Println("failed to save longer record", "err", err)
+						slog.Error("failed to save longer record", "err", err)
 					}
 				}
 			}
@@ -177,13 +157,6 @@ func (rm *RecordManager) CreateLongerRecords() {
 	// log.Println("finished creating longer records", "time (ms)", time.Since(start).Milliseconds())
 }
 
-func getCreatedTimeField(collectionName string, period time.Time) any {
-	if collectionName == "network_probe_stats" {
-		return period.UnixMilli()
-	}
-	return period.Format(types.DefaultDateLayout)
-}
-
 // Calculate the average stats of a list of system_stats records without reflect
 func (rm *RecordManager) AverageSystemStats(db dbx.Builder, records RecordIds) *system.Stats {
 	stats := make([]system.Stats, 0, len(records))
@@ -213,11 +186,16 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 
 	// necessary because uint8 is not big enough for the sum
 	batterySum := 0
+	batteryCount := 0
+	batterySums := make(map[string]uint64)
+	batteryCounts := make(map[string]uint64)
 	// accumulate per-core usage across records
 	var cpuCoresSums []uint64
 	// accumulate cpu breakdown [user, system, iowait, steal, idle]
 	var cpuBreakdownSums []float64
 	tempCount := float64(0)
+	var fanSums map[string]uint64
+	fanCount := uint64(0)
 
 	// Accumulate totals
 	for i := range records {
@@ -257,8 +235,15 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 		for i := range stats.DiskIoStats {
 			sum.DiskIoStats[i] += stats.DiskIoStats[i]
 		}
-		batterySum += int(stats.Battery[0])
-		sum.Battery[1] = stats.Battery[1]
+		if hasBattery(stats.Battery, stats.Batteries) {
+			batterySum += int(stats.Battery[0])
+			batteryCount++
+			sum.Battery[1] = stats.Battery[1]
+		}
+		for name, percent := range stats.Batteries {
+			batterySums[name] += uint64(percent)
+			batteryCounts[name]++
+		}
 
 		// accumulate per-core usage if present
 		if stats.CpuCoresUsage != nil {
@@ -309,6 +294,17 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 			}
 		}
 
+		// Accumulate fan speeds
+		if stats.Fans != nil {
+			if fanSums == nil {
+				fanSums = make(map[string]uint64, len(stats.Fans))
+			}
+			fanCount++
+			for key, value := range stats.Fans {
+				fanSums[key] += uint64(value)
+			}
+		}
+
 		// Accumulate extra filesystem stats
 		if stats.ExtraFs != nil {
 			if sum.ExtraFs == nil {
@@ -393,7 +389,15 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 	sum.LoadAvg[2] = twoDecimals(sum.LoadAvg[2] / count)
 	sum.Bandwidth[0] = sum.Bandwidth[0] / uint64(count)
 	sum.Bandwidth[1] = sum.Bandwidth[1] / uint64(count)
-	sum.Battery[0] = uint8(batterySum / int(count))
+	if batteryCount > 0 {
+		sum.Battery[0] = uint8(batterySum / batteryCount)
+	}
+	if len(batterySums) > 0 {
+		sum.Batteries = make(map[string]uint8, len(batterySums))
+		for name, total := range batterySums {
+			sum.Batteries[name] = uint8(total / batteryCounts[name])
+		}
+	}
 
 	// Average network interfaces
 	if sum.NetworkInterfaces != nil {
@@ -414,6 +418,14 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 		}
 	}
 
+	// Average fan speeds
+	if fanSums != nil && fanCount > 0 {
+		sum.Fans = make(map[string]uint16, len(fanSums))
+		for key, value := range fanSums {
+			sum.Fans[key] = uint16(value / fanCount)
+		}
+	}
+
 	// Average extra filesystem stats
 	if sum.ExtraFs != nil {
 		for key := range sum.ExtraFs {
@@ -473,6 +485,10 @@ func AverageSystemStatsSlice(records []system.Stats) system.Stats {
 	return sum
 }
 
+func hasBattery(legacy [2]uint8, batteries map[string]uint8) bool {
+	return legacy != [2]uint8{} || len(batteries) > 0
+}
+
 // Calculate the average stats of a list of container_stats records
 func (rm *RecordManager) AverageContainerStats(db dbx.Builder, records RecordIds) []container.Stats {
 	allStats := make([][]container.Stats, 0, len(records))
@@ -530,80 +546,6 @@ func AverageContainerStatsSlice(records [][]container.Stats) []container.Stats {
 	return result
 }
 
-// AverageProbeStats averages probe stats across multiple records.
-// For each probe key: avg of average fields, min of mins, and max of maxes.
-func (rm *RecordManager) AverageProbeStats(db dbx.Builder, records RecordIds) map[string]probe.Result {
-	type probeValues struct {
-		sums   probe.Result
-		counts []int
-	}
-
-	query := db.NewQuery("SELECT stats FROM network_probe_stats WHERE id = {:id}")
-
-	// accumulate sums for each probe key across records
-	sums := make(map[string]*probeValues)
-	var row StatsRecord
-	for _, rec := range records {
-		row.Stats = row.Stats[:0]
-		query.Bind(dbx.Params{"id": rec.Id}).One(&row)
-		var rawStats map[string]probe.Result
-		if err := json.Unmarshal(row.Stats, &rawStats); err != nil {
-			continue
-		}
-		for key, vals := range rawStats {
-			s, ok := sums[key]
-			if !ok {
-				s = &probeValues{sums: make(probe.Result, len(vals)), counts: make([]int, len(vals))}
-				sums[key] = s
-			}
-			if len(vals) > len(s.sums) {
-				expandedSums := make(probe.Result, len(vals))
-				copy(expandedSums, s.sums)
-				s.sums = expandedSums
-
-				expandedCounts := make([]int, len(vals))
-				copy(expandedCounts, s.counts)
-				s.counts = expandedCounts
-			}
-			for i := range vals {
-				switch i {
-				case 2: // min fields
-					if s.counts[i] == 0 || vals[i] < s.sums[i] {
-						s.sums[i] = vals[i]
-					}
-				case 3: // max fields
-					if s.counts[i] == 0 || vals[i] > s.sums[i] {
-						s.sums[i] = vals[i]
-					}
-				default: // average fields
-					s.sums[i] += vals[i]
-				}
-				s.counts[i]++
-			}
-		}
-	}
-
-	// compute final averages
-	result := make(map[string]probe.Result, len(sums))
-	for key, s := range sums {
-		if len(s.counts) == 0 {
-			continue
-		}
-		for i := range s.sums {
-			switch i {
-			case 2, 3: // min and max fields should not be averaged
-				continue
-			default:
-				if s.counts[i] > 0 {
-					s.sums[i] = twoDecimals(s.sums[i] / float64(s.counts[i]))
-				}
-			}
-		}
-		result[key] = s.sums
-	}
-	return result
-}
-
 /* Round float to two decimals */
 func twoDecimals(value float64) float64 {
 	return math.Round(value*100) / 100

internal/records/records_averaging_test.go

@@ -291,6 +291,28 @@ func TestAverageSystemStatsSlice_Temperatures(t *testing.T) {
 	assert.Equal(t, 80.0, result.Temperatures["gpu"])
 }
 
+// Tests that fan speeds are averaged and records without fan data are excluded.
+func TestAverageSystemStatsSlice_Fans(t *testing.T) {
+	input := []system.Stats{
+		{
+			Fans: map[string]uint16{"cpu": 60_000, "case": 1_000},
+		},
+		{
+			Fans: map[string]uint16{"cpu": 50_000, "case": 2_000},
+		},
+		{
+			// No fan data - should not affect fan averaging
+			Cpu: 30.0,
+		},
+	}
+
+	result := records.AverageSystemStatsSlice(input)
+
+	require.NotNil(t, result.Fans)
+	assert.Equal(t, uint16(55_000), result.Fans["cpu"])
+	assert.Equal(t, uint16(1_500), result.Fans["case"])
+}
+
 func TestAverageSystemStatsSlice_NetworkInterfaces(t *testing.T) {
 	input := []system.Stats{
 		{
@@ -580,6 +602,28 @@ func TestAverageSystemStatsSlice_BatteryLastChargeState(t *testing.T) {
 	assert.Equal(t, uint8(0), result.Battery[1]) // last record's charge state
 }
 
+func TestAverageSystemStatsSlice_BatteriesIndependentSamples(t *testing.T) {
+	input := []system.Stats{
+		{Battery: [2]uint8{80, 4}, Batteries: map[string]uint8{"Primary": 80, "Mouse": 0}},
+		{Battery: [2]uint8{60, 3}, Batteries: map[string]uint8{"Primary": 60}},
+		{Battery: [2]uint8{30, 4}, Batteries: map[string]uint8{"Mouse": 40}},
+		{},
+	}
+	result := records.AverageSystemStatsSlice(input)
+	assert.Equal(t, map[string]uint8{"Primary": 70, "Mouse": 20}, result.Batteries)
+	assert.Equal(t, uint8(56), result.Battery[0], "representative battery excludes absent samples")
+	assert.Equal(t, uint8(4), result.Battery[1], "representative state comes from its latest sample")
+}
+
+func TestAverageSystemStatsSlice_ZeroRepresentativeBattery(t *testing.T) {
+	result := records.AverageSystemStatsSlice([]system.Stats{
+		{Battery: [2]uint8{0, 1}, Batteries: map[string]uint8{"Primary": 0}},
+		{},
+	})
+	assert.Equal(t, [2]uint8{0, 1}, result.Battery)
+	assert.Equal(t, map[string]uint8{"Primary": 0}, result.Batteries)
+}
+
 func TestAverageSystemStatsSlice_ThreeRecordsRounding(t *testing.T) {
 	input := []system.Stats{
 		{Cpu: 10.0, Mem: 8.0},

internal/records/records_deletion.go

@@ -3,6 +3,7 @@ package records
 import (
 	"fmt"
 	"log/slog"
+	"strings"
 	"time"
 
 	"github.com/pocketbase/dbx"
@@ -11,6 +12,7 @@ import (
 
 // Delete old records
 func (rm *RecordManager) DeleteOldRecords() {
+	// Pocketbase cron does not handle errors, log them here.
 	rm.app.RunInTransaction(func(txApp core.App) error {
 		err := deleteOldSystemStats(txApp)
 		if err != nil {
@@ -58,7 +60,7 @@ func deleteOldAlertsHistory(app core.App, countToKeep, countBeforeDeletion int)
 // Deletes system_stats records older than what is displayed in the UI
 func deleteOldSystemStats(app core.App) error {
 	// Collections to process
-	collections := [3]string{"system_stats", "container_stats", "network_probe_stats"}
+	collections := [2]string{"system_stats", "container_stats"}
 
 	// Record types and their retention periods
 	type RecordDeletionData struct {
@@ -74,17 +76,24 @@ func deleteOldSystemStats(app core.App) error {
 	}
 
 	now := time.Now().UTC()
-	db := app.DB()
 
 	for _, collection := range collections {
-		query := db.Delete(collection, dbx.NewExp("type={:type} AND created<{:created}"))
-		for _, rd := range recordData {
-			if _, err := query.Bind(dbx.Params{
-				"type":    rd.recordType,
-				"created": getCreatedTimeField(collection, now.Add(-rd.retention)),
-			}).Execute(); err != nil {
-				return fmt.Errorf("failed to delete from %s: %v", collection, err)
-			}
+		// Build the WHERE clause
+		var conditionParts []string
+		var params dbx.Params = make(map[string]any)
+		for i := range recordData {
+			rd := recordData[i]
+			// Create parameterized condition for this record type
+			dateParam := fmt.Sprintf("date%d", i)
+			conditionParts = append(conditionParts, fmt.Sprintf("(type = '%s' AND created < {:%s})", rd.recordType, dateParam))
+			params[dateParam] = now.Add(-rd.retention)
+		}
+		// Combine conditions with OR
+		conditionStr := strings.Join(conditionParts, " OR ")
+		// Construct and execute the full raw query
+		rawQuery := fmt.Sprintf("DELETE FROM %s WHERE %s", collection, conditionStr)
+		if _, err := app.DB().NewQuery(rawQuery).Bind(params).Execute(); err != nil {
+			return fmt.Errorf("failed to delete from %s: %v", collection, err)
 		}
 	}
 	return nil

internal/site/package.json

@@ -9,11 +9,7 @@
 		"preview": "vite preview",
 		"sync": "lingui extract --overwrite && lingui compile",
 		"sync_no_compile": "lingui extract --overwrite --clean",
-		"sync_and_purge": "lingui extract --overwrite --clean && lingui compile",
-		"format": "biome format --write .",
-		"lint": "biome lint .",
-		"check": "biome check .",
-		"check:fix": "biome check --fix ."
+		"sync_and_purge": "lingui extract --overwrite --clean && lingui compile"
 	},
 	"dependencies": {
 		"@henrygd/queue": "^1.0.7",

internal/site/src/components/charts/area-chart.tsx

@@ -66,7 +66,7 @@ export default function AreaChartDefault({
 }) {
 	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
 	const { isIntersecting, ref } = useIntersectionObserver({ freeze: false })
-	const sourceData = customData ?? chartData.systemStats ?? []
+	const sourceData = customData ?? chartData.systemStats
 	const [displayData, setDisplayData] = useState(sourceData)
 	const [displayMaxToggled, setDisplayMaxToggled] = useState(maxToggled)
 
@@ -111,8 +111,6 @@ export default function AreaChartDefault({
 		})
 	}, [areasKey, displayMaxToggled])
 
-	const XAxis = xAxis(chartData.chartTime, displayData.at(-1)?.created)
-
 	return useMemo(() => {
 		if (displayData.length === 0) {
 			return null
@@ -148,7 +146,7 @@ export default function AreaChartDefault({
 							axisLine={false}
 						/>
 					)}
-					{XAxis}
+					{xAxis(chartData)}
 					<ChartTooltip
 						animationEasing="ease-out"
 						animationDuration={150}
@@ -169,5 +167,5 @@ export default function AreaChartDefault({
 				</AreaChart>
 			</ChartContainer>
 		)
-	}, [displayData, yAxisWidth, filter, Areas, XAxis])
+	}, [displayData, yAxisWidth, filter, Areas])
 }

internal/site/src/components/charts/line-chart.tsx

@@ -22,7 +22,6 @@ export type DataPoint<T = SystemStatsRecord> = {
 	order?: number
 	strokeOpacity?: number
 	activeDot?: boolean
-	dot?: boolean
 }
 
 export default function LineChartDefault({
@@ -42,7 +41,6 @@ export default function LineChartDefault({
 	filter,
 	truncate = false,
 	chartProps,
-	connectNulls,
 }: {
 	chartData: ChartData
 	// biome-ignore lint/suspicious/noExplicitAny: accepts different data source types (systemStats or containerData)
@@ -64,11 +62,10 @@ export default function LineChartDefault({
 	filter?: string
 	truncate?: boolean
 	chartProps?: Omit<React.ComponentProps<typeof LineChart>, "data" | "margin">
-	connectNulls?: boolean
 }) {
 	const { yAxisWidth, updateYAxisWidth } = useYAxisWidth()
 	const { isIntersecting, ref } = useIntersectionObserver({ freeze: false })
-	const sourceData = customData ?? chartData.systemStats ?? []
+	const sourceData = customData ?? chartData.systemStats
 	const [displayData, setDisplayData] = useState(sourceData)
 	const [displayMaxToggled, setDisplayMaxToggled] = useState(maxToggled)
 
@@ -86,9 +83,7 @@ export default function LineChartDefault({
 	}, [displayData, displayMaxToggled, isIntersecting, maxToggled, sourceData])
 
 	// Use a stable key derived from data point identities and visual properties
-	const linesKey = dataPoints?.map((d) => `${d.label}:${d.strokeOpacity}${d.dot}`).join("\0")
-
-	const XAxis = xAxis(chartData.chartTime, displayData.at(-1)?.created)
+	const linesKey = dataPoints?.map((d) => `${d.label}:${d.strokeOpacity ?? ""}`).join("\0")
 
 	const Lines = useMemo(() => {
 		return dataPoints?.map((dataPoint, i) => {
@@ -102,7 +97,7 @@ export default function LineChartDefault({
 					dataKey={dataPoint.dataKey}
 					name={dataPoint.label}
 					type="monotoneX"
-					dot={dataPoint.dot || false}
+					dot={false}
 					strokeWidth={1.5}
 					stroke={color}
 					strokeOpacity={dataPoint.strokeOpacity}
@@ -110,7 +105,6 @@ export default function LineChartDefault({
 					// stackId={dataPoint.stackId}
 					order={dataPoint.order || i}
 					activeDot={dataPoint.activeDot ?? true}
-					connectNulls={connectNulls}
 				/>
 			)
 		})
@@ -151,7 +145,7 @@ export default function LineChartDefault({
 							axisLine={false}
 						/>
 					)}
-					{XAxis}
+					{xAxis(chartData)}
 					<ChartTooltip
 						animationEasing="ease-out"
 						animationDuration={150}
@@ -172,5 +166,5 @@ export default function LineChartDefault({
 				</LineChart>
 			</ChartContainer>
 		)
-	}, [displayData, yAxisWidth, filter, Lines, XAxis])
+	}, [displayData, yAxisWidth, filter, Lines])
 }

internal/site/src/components/containers-table/containers-table-columns.tsx

@@ -15,7 +15,7 @@ import {
 import { EthernetIcon, HourglassIcon, SquareArrowRightEnterIcon } from "../ui/icons"
 import { Badge } from "../ui/badge"
 import { t } from "@lingui/core/macro"
-import { $allSystemsById, $longestSystemName } from "@/lib/stores"
+import { $allSystemsById, $longestSystemNameLen } from "@/lib/stores"
 import { useStore } from "@nanostores/react"
 import { Tooltip, TooltipContent, TooltipTrigger } from "../ui/tooltip"
 
@@ -63,13 +63,10 @@ export const containerChartCols: ColumnDef<ContainerRecord>[] = [
 		header: ({ column }) => <HeaderButton column={column} name={t`System`} Icon={ServerIcon} />,
 		cell: ({ getValue }) => {
 			const allSystems = useStore($allSystemsById)
-			const longestName = useStore($longestSystemName)
+			const longestName = useStore($longestSystemNameLen)
 			return (
-				<div className="ms-1 relative w-fit max-w-40">
-					<span className="invisible block whitespace-nowrap" aria-hidden="true">
-						{longestName}
-					</span>
-					<span className="absolute inset-0 truncate">{allSystems[getValue() as string]?.name ?? ""}</span>
+				<div className="ms-1 max-w-40 truncate" style={{ width: `${longestName / 1.05}ch` }}>
+					{allSystems[getValue() as string]?.name ?? ""}
 				</div>
 			)
 		},

internal/site/src/components/login/auth-form.tsx

@@ -17,7 +17,7 @@ import { toast } from "../ui/use-toast"
 import { OtpInputForm } from "./otp-forms"
 
 const honeypot = v.literal("")
-const emailSchema = v.pipe(v.string(), v.email(t`Invalid email address.`))
+const emailSchema = v.pipe(v.string(), v.rfcEmail(t`Invalid email address.`))
 const passwordSchema = v.pipe(
 	v.string(),
 	v.minLength(8, t`Password must be at least 8 characters.`),
@@ -175,8 +175,8 @@ export function UserAuthForm({
 	 */
 	function redirectToOauthProvider(provider: AuthProviderInfo) {
 		const url = new URL(provider.authURL)
-		// url.searchParams.set("redirect_uri", `${window.location.origin}${basePath}`)
-		sessionStorage.setItem("provider", JSON.stringify(provider))
+		url.searchParams.set("redirect_uri", `${window.location.origin}${basePath}`)
+		localStorage.setItem("provider", JSON.stringify(provider))
 		window.location.href = url.toString()
 	}
 
@@ -186,12 +186,13 @@ export function UserAuthForm({
 		const code = params.get("code")
 		if (code) {
 			const state = params.get("state")
-			const provider: AuthProviderInfo = JSON.parse(sessionStorage.getItem("provider") ?? "{}")
+			const provider: AuthProviderInfo = JSON.parse(localStorage.getItem("provider") ?? "{}")
+		    localStorage.removeItem("provider")
+			window.history.replaceState({}, "", window.location.pathname)
 			if (!state || provider.state !== state) {
 				showLoginFaliedToast()
 			} else {
 				setIsOauthLoading(true)
-				window.history.replaceState({}, "", window.location.pathname)
 				pb.collection("users")
 					.authWithOAuth2Code(provider.name, code, provider.codeVerifier, `${window.location.origin}${basePath}`)
 					.then(() => $authenticated.set(pb.authStore.isValid))
@@ -285,7 +286,7 @@ export function UserAuthForm({
 									{errors?.passwordConfirm && <p className="px-1 text-xs text-red-600">{errors.passwordConfirm}</p>}
 								</div>
 							)}
-							<div className="sr-only">
+							<div className="sr-only" aria-hidden="true">
 								{/* honeypot */}
 								<label htmlFor="website">Website</label>
 								<input
@@ -293,6 +294,7 @@ export function UserAuthForm({
 									type="text"
 									name="website"
 									tabIndex={-1}
+									readOnly
 									autoComplete="off"
 									data-1p-ignore
 									data-lpignore="true"

internal/site/src/components/navbar.tsx

@@ -8,7 +8,6 @@ import {
 	LogOutIcon,
 	LogsIcon,
 	MenuIcon,
-	NetworkIcon,
 	PlusIcon,
 	SearchIcon,
 	ServerIcon,
@@ -110,10 +109,6 @@ export default function Navbar() {
 								<HardDriveIcon className="h-4 w-4 me-2.5" strokeWidth={1.5} />
 								<span>S.M.A.R.T.</span>
 							</DropdownMenuItem>
-							<DropdownMenuItem onClick={() => navigate(getPagePath($router, "probes"))} className="flex items-center">
-								<NetworkIcon className="h-4 w-4 me-2.5" strokeWidth={1.5} />
-								<Trans>Network Probes</Trans>
-							</DropdownMenuItem>
 							<DropdownMenuItem
 								onClick={() => navigate(getPagePath($router, "settings", { name: "general" }))}
 								className="flex items-center"
@@ -185,21 +180,6 @@ export default function Navbar() {
 					</TooltipTrigger>
 					<TooltipContent>S.M.A.R.T.</TooltipContent>
 				</Tooltip>
-				<Tooltip>
-					<TooltipTrigger asChild>
-						<Link
-							href={getPagePath($router, "probes")}
-							className={cn("hidden md:grid", buttonVariants({ variant: "ghost", size: "icon" }))}
-							aria-label="Network Probes"
-							onMouseEnter={() => import("@/components/routes/probes")}
-						>
-							<NetworkIcon className="h-[1.2rem] w-[1.2rem]" strokeWidth={1.5} />
-						</Link>
-					</TooltipTrigger>
-					<TooltipContent>
-						<Trans>Network Probes</Trans>
-					</TooltipContent>
-				</Tooltip>
 				<LangToggle />
 				<ModeToggle />
 				<Tooltip>