Alert history updates

2025-10-19 01:39:34 +08:00 · 2025-07-21 20:07:52 -04:00
parent 9d7fb8ab80
commit 18d9258907
29 changed files with 1301 additions and 643 deletions
--- a/beszel/internal/alerts/alerts.go
+++ b/beszel/internal/alerts/alerts.go
@@ -93,10 +93,18 @@ func NewAlertManager(app hubLike) *AlertManager {
 		alertQueue: make(chan alertTask),
 		stopChan:   make(chan struct{}),
 	}
+	am.bindEvents()
 	go am.startWorker()
 	return am
 }

+// Bind events to the alerts collection lifecycle
+func (am *AlertManager) bindEvents() {
+	am.hub.OnRecordAfterUpdateSuccess("alerts").BindFunc(updateHistoryOnAlertUpdate)
+	am.hub.OnRecordAfterDeleteSuccess("alerts").BindFunc(resolveHistoryOnAlertDelete)
+}
+
+// SendAlert sends an alert to the user
 func (am *AlertManager) SendAlert(data AlertMessageData) error {
 	// get user settings
 	record, err := am.hub.FindFirstRecordByFilter(
--- a/beszel/internal/alerts/alerts_history.go
+++ b/beszel/internal/alerts/alerts_history.go
@@ -7,90 +7,79 @@ import (
 	"github.com/pocketbase/pocketbase/core"
 )

-func (am *AlertManager) RecordAlertHistory(alert SystemAlertData) {
-	// Get alert, user, system, name, value
-	alertId := alert.alertRecord.Id
-	userId := ""
-	if errs := am.hub.ExpandRecord(alert.alertRecord, []string{"user"}, nil); len(errs) == 0 {
-		if user := alert.alertRecord.ExpandedOne("user"); user != nil {
-			userId = user.Id
-		}
-	}
-	systemId := alert.systemRecord.Id
-	name := alert.name
-	value := alert.val
-	now := time.Now().UTC()
-
-	if alert.triggered {
-		// Create new alerts_history record
-		collection, err := am.hub.FindCollectionByNameOrId("alerts_history")
-		if err == nil {
-			history := core.NewRecord(collection)
-			history.Set("alert", alertId)
-			history.Set("user", userId)
-			history.Set("system", systemId)
-			history.Set("name", name)
-			history.Set("value", value)
-			history.Set("state", "active")
-			history.Set("created_date", now)
-			history.Set("solved_date", nil)
-			_ = am.hub.Save(history)
-		}
-	} else {
-		// Find latest active alerts_history record for this alert and set to solved
-		record, err := am.hub.FindFirstRecordByFilter(
-			"alerts_history",
-			"alert={:alert} && state='active'",
-			dbx.Params{"alert": alertId},
-		)
-		if err == nil && record != nil {
-			record.Set("state", "solved")
-			record.Set("solved_date", now)
-			_ = am.hub.Save(record)
-		}
+// On triggered alert record delete, set matching alert history record to resolved
+func resolveHistoryOnAlertDelete(e *core.RecordEvent) error {
+	if !e.Record.GetBool("triggered") {
+		return e.Next()
 	}
+	_ = resolveAlertHistoryRecord(e.App, e.Record)
+	return e.Next()
 }

-// DeleteOldAlertHistory deletes alerts_history records older than the given retention duration
-func (am *AlertManager) DeleteOldAlertHistory(retention time.Duration) {
-	now := time.Now().UTC()
-	cutoff := now.Add(-retention)
-	_, err := am.hub.DB().NewQuery(
-		"DELETE FROM alerts_history WHERE solved_date IS NOT NULL AND solved_date < {:cutoff}",
-	).Bind(dbx.Params{"cutoff": cutoff}).Execute()
+// On alert record update, update alert history record
+func updateHistoryOnAlertUpdate(e *core.RecordEvent) error {
+	original := e.Record.Original()
+	new := e.Record
+
+	originalTriggered := original.GetBool("triggered")
+	newTriggered := new.GetBool("triggered")
+
+	// no need to update alert history if triggered state has not changed
+	if originalTriggered == newTriggered {
+		return e.Next()
+	}
+
+	// if new state is triggered, create new alert history record
+	if newTriggered {
+		_, _ = createAlertHistoryRecord(e.App, new)
+		return e.Next()
+	}
+
+	// if new state is not triggered, check for matching alert history record and set it to resolved
+	_ = resolveAlertHistoryRecord(e.App, new)
+	return e.Next()
+}
+
+// resolveAlertHistoryRecord sets the resolved field to the current time
+func resolveAlertHistoryRecord(app core.App, alertRecord *core.Record) error {
+	alertHistoryRecords, err := app.FindRecordsByFilter(
+		"alerts_history",
+		"alert_id={:alert_id} && resolved=null",
+		"-created",
+		1,
+		0,
+		dbx.Params{"alert_id": alertRecord.Id},
+	)
 	if err != nil {
-		am.hub.Logger().Error("failed to delete old alerts_history records", "error", err)
+		return err
 	}
-}
-
-// Helper to get retention duration from user settings
-func getAlertHistoryRetention(settings map[string]interface{}) time.Duration {
-	retStr, _ := settings["alertHistoryRetention"].(string)
-	switch retStr {
-	case "1m":
-		return 30 * 24 * time.Hour
-	case "3m":
-		return 90 * 24 * time.Hour
-	case "6m":
-		return 180 * 24 * time.Hour
-	case "1y":
-		return 365 * 24 * time.Hour
-	default:
-		return 90 * 24 * time.Hour // default 3 months
+	if len(alertHistoryRecords) == 0 {
+		return nil
 	}
-}
-
-// CleanUpAllAlertHistory deletes old alerts_history records for each user based on their retention setting
-func (am *AlertManager) CleanUpAllAlertHistory() {
-	records, err := am.hub.FindAllRecords("user_settings")
+	alertHistoryRecord := alertHistoryRecords[0] // there should be only one record
+	alertHistoryRecord.Set("resolved", time.Now().UTC())
+	err = app.Save(alertHistoryRecord)
 	if err != nil {
-		return
-	}
-	for _, record := range records {
-		var settings map[string]interface{}
-		if err := record.UnmarshalJSONField("settings", &settings); err != nil {
-			continue
-		}
-		am.DeleteOldAlertHistory(getAlertHistoryRetention(settings))
+		app.Logger().Error("Failed to resolve alert history", "err", err)
 	}
+	return err
+}
+
+// createAlertHistoryRecord creates a new alert history record
+func createAlertHistoryRecord(app core.App, alertRecord *core.Record) (alertHistoryRecord *core.Record, err error) {
+	alertHistoryCollection, err := app.FindCachedCollectionByNameOrId("alerts_history")
+	if err != nil {
+		return nil, err
+	}
+	alertHistoryRecord = core.NewRecord(alertHistoryCollection)
+	alertHistoryRecord.Set("alert_id", alertRecord.Id)
+	alertHistoryRecord.Set("user", alertRecord.GetString("user"))
+	alertHistoryRecord.Set("system", alertRecord.GetString("system"))
+	alertHistoryRecord.Set("name", alertRecord.GetString("name"))
+	alertHistoryRecord.Set("value", alertRecord.GetFloat("value"))
+	err = app.Save(alertHistoryRecord)
+	if err != nil {
+		app.Logger().Error("Failed to save alert history", "err", err)
+	}
+	return alertHistoryRecord, err
 }
--- a/beszel/internal/alerts/alerts_status.go
+++ b/beszel/internal/alerts/alerts_status.go
@@ -136,6 +136,14 @@ func (am *AlertManager) handleSystemUp(systemName string, alertRecords []*core.R

 // sendStatusAlert sends a status alert ("up" or "down") to the users associated with the alert records.
 func (am *AlertManager) sendStatusAlert(alertStatus string, systemName string, alertRecord *core.Record) error {
+	switch alertStatus {
+	case "up":
+		alertRecord.Set("triggered", false)
+	case "down":
+		alertRecord.Set("triggered", true)
+	}
+	am.hub.Save(alertRecord)
+
 	var emoji string
 	if alertStatus == "up" {
 		emoji = "\u2705" // Green checkmark emoji
@@ -146,16 +154,16 @@ func (am *AlertManager) sendStatusAlert(alertStatus string, systemName string, a
 	title := fmt.Sprintf("Connection to %s is %s %v", systemName, alertStatus, emoji)
 	message := strings.TrimSuffix(title, emoji)

-	if errs := am.hub.ExpandRecord(alertRecord, []string{"user"}, nil); len(errs) > 0 {
-		return errs["user"]
-	}
-	user := alertRecord.ExpandedOne("user")
-	if user == nil {
-		return nil
-	}
+	// if errs := am.hub.ExpandRecord(alertRecord, []string{"user"}, nil); len(errs) > 0 {
+	// 	return errs["user"]
+	// }
+	// user := alertRecord.ExpandedOne("user")
+	// if user == nil {
+	// 	return nil
+	// }

 	return am.SendAlert(AlertMessageData{
-		UserID:   user.Id,
+		UserID:   alertRecord.GetString("user"),
 		Title:    title,
 		Message:  message,
 		Link:     am.hub.MakeLink("system", systemName),
--- a/beszel/internal/alerts/alerts_system.go
+++ b/beszel/internal/alerts/alerts_system.go
@@ -15,7 +15,7 @@ import (

 func (am *AlertManager) HandleSystemAlerts(systemRecord *core.Record, data *system.CombinedData) error {
 	alertRecords, err := am.hub.FindAllRecords("alerts",
-		dbx.NewExp("system={:system}", dbx.Params{"system": systemRecord.Id}),
+		dbx.NewExp("system={:system} AND name!='Status'", dbx.Params{"system": systemRecord.Id}),
 	)
 	if err != nil || len(alertRecords) == 0 {
 		// log.Println("no alerts found for system")
@@ -293,10 +293,6 @@ func (am *AlertManager) sendSystemAlert(alert SystemAlertData) {
 		// app.Logger().Error("failed to save alert record", "err", err)
 		return
 	}
-
-	//  Create Alert History
-	am.RecordAlertHistory(alert)
-
 	// expand the user relation and send the alert
 	if errs := am.hub.ExpandRecord(alert.alertRecord, []string{"user"}, nil); len(errs) > 0 {
 		// app.Logger().Error("failed to expand user relation", "errs", errs)
--- a/beszel/internal/hub/hub.go
+++ b/beszel/internal/hub/hub.go
@@ -215,13 +215,10 @@ func (h *Hub) startServer(se *core.ServeEvent) error {

 // registerCronJobs sets up scheduled tasks
 func (h *Hub) registerCronJobs(_ *core.ServeEvent) error {
-	// delete old records once every hour
+	// delete old system_stats and alerts_history records once every hour
 	h.Cron().MustAdd("delete old records", "8 * * * *", h.rm.DeleteOldRecords)
 	// create longer records every 10 minutes
 	h.Cron().MustAdd("create longer records", "*/10 * * * *", h.rm.CreateLongerRecords)
-	// delete old alert history records for each user based on their retention setting
-	h.Cron().MustAdd("delete old alerts_history", "5 */1 * * *", h.AlertManager.CleanUpAllAlertHistory)
-
 	return nil
 }

--- a/beszel/internal/hub/systems/system_manager.go
+++ b/beszel/internal/hub/systems/system_manager.go
@@ -159,8 +159,10 @@ func (sm *SystemManager) onRecordUpdate(e *core.RecordEvent) error {
 // - down: Triggers status change alerts
 func (sm *SystemManager) onRecordAfterUpdateSuccess(e *core.RecordEvent) error {
 	newStatus := e.Record.GetString("status")
+	prevStatus := pending
 	system, ok := sm.systems.GetOk(e.Record.Id)
 	if ok {
+		prevStatus = system.Status
 		system.Status = newStatus
 	}

@@ -182,6 +184,7 @@ func (sm *SystemManager) onRecordAfterUpdateSuccess(e *core.RecordEvent) error {
 		if err := sm.AddRecord(e.Record, nil); err != nil {
 			e.App.Logger().Error("Error adding record", "err", err)
 		}
+		_ = deactivateAlerts(e.App, e.Record.Id)
 		return e.Next()
 	}

@@ -190,8 +193,6 @@ func (sm *SystemManager) onRecordAfterUpdateSuccess(e *core.RecordEvent) error {
 		return sm.AddRecord(e.Record, nil)
 	}

-	prevStatus := system.Status
-
 	// Trigger system alerts when system comes online
 	if newStatus == up {
 		if err := sm.hub.HandleSystemAlerts(e.Record, system.data); err != nil {
--- a/beszel/internal/records/records.go
+++ b/beszel/internal/records/records.go
@@ -366,12 +366,46 @@ func (rm *RecordManager) AverageContainerStats(db dbx.Builder, records RecordIds
 	return result
 }

-// Deletes records older than what is displayed in the UI
+// Delete old records
 func (rm *RecordManager) DeleteOldRecords() {
-	// Define the collections to process
+	rm.app.RunInTransaction(func(txApp core.App) error {
+		err := deleteOldSystemStats(txApp)
+		if err != nil {
+			return err
+		}
+		err = deleteOldAlertsHistory(txApp, 200, 250)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// Delete old alerts history records
+func deleteOldAlertsHistory(app core.App, countToKeep, countBeforeDeletion int) error {
+	db := app.DB()
+	var users []struct {
+		Id string `db:"user"`
+	}
+	err := db.NewQuery("SELECT user, COUNT(*) as count FROM alerts_history GROUP BY user HAVING count > {:countBeforeDeletion}").Bind(dbx.Params{"countBeforeDeletion": countBeforeDeletion}).All(&users)
+	if err != nil {
+		return err
+	}
+	for _, user := range users {
+		_, err = db.NewQuery("DELETE FROM alerts_history WHERE user = {:user} AND id NOT IN (SELECT id FROM alerts_history WHERE user = {:user} ORDER BY created DESC LIMIT {:countToKeep})").Bind(dbx.Params{"user": user.Id, "countToKeep": countToKeep}).Execute()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Deletes system_stats records older than what is displayed in the UI
+func deleteOldSystemStats(app core.App) error {
+	// Collections to process
 	collections := [2]string{"system_stats", "container_stats"}

-	// Define record types and their retention periods
+	// Record types and their retention periods
 	type RecordDeletionData struct {
 		recordType string
 		retention  time.Duration
@@ -387,10 +421,9 @@ func (rm *RecordManager) DeleteOldRecords() {
 	now := time.Now().UTC()

 	for _, collection := range collections {
-		// Build the WHERE clause dynamically
+		// 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
@@ -398,19 +431,15 @@ func (rm *RecordManager) DeleteOldRecords() {
 			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 the full raw query
+		// Construct and execute the full raw query
 		rawQuery := fmt.Sprintf("DELETE FROM %s WHERE %s", collection, conditionStr)
-
-		// Execute the query with parameters
-		if _, err := rm.app.DB().NewQuery(rawQuery).Bind(params).Execute(); err != nil {
-			// return fmt.Errorf("failed to delete from %s: %v", collection, err)
-			rm.app.Logger().Error("failed to delete", "collection", collection, "error", err)
+		if _, err := app.DB().NewQuery(rawQuery).Bind(params).Execute(); err != nil {
+			return fmt.Errorf("failed to delete from %s: %v", collection, err)
 		}
 	}
+	return nil
 }

 /* Round float to two decimals */
--- a/beszel/internal/records/records_test.go
+++ b/beszel/internal/records/records_test.go
@@ -0,0 +1,381 @@
+//go:build testing
+// +build testing
+
+package records_test
+
+import (
+	"beszel/internal/records"
+	"beszel/internal/tests"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/types"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// TestDeleteOldRecords tests the main DeleteOldRecords function
+func TestDeleteOldRecords(t *testing.T) {
+	hub, err := tests.NewTestHub(t.TempDir())
+	require.NoError(t, err)
+	defer hub.Cleanup()
+
+	rm := records.NewRecordManager(hub)
+
+	// Create test user for alerts history
+	user, err := tests.CreateUser(hub, "test@example.com", "testtesttest")
+	require.NoError(t, err)
+
+	// Create test system
+	system, err := tests.CreateRecord(hub, "systems", map[string]any{
+		"name":   "test-system",
+		"host":   "localhost",
+		"port":   "45876",
+		"status": "up",
+		"users":  []string{user.Id},
+	})
+	require.NoError(t, err)
+
+	now := time.Now()
+
+	// Create old system_stats records that should be deleted
+	var record *core.Record
+	record, err = tests.CreateRecord(hub, "system_stats", map[string]any{
+		"system": system.Id,
+		"type":   "1m",
+		"stats":  `{"cpu": 50.0, "mem": 1024}`,
+	})
+	require.NoError(t, err)
+	// created is autodate field, so we need to set it manually
+	record.SetRaw("created", now.UTC().Add(-2*time.Hour).Format(types.DefaultDateLayout))
+	err = hub.SaveNoValidate(record)
+	require.NoError(t, err)
+	require.NotNil(t, record)
+	require.InDelta(t, record.GetDateTime("created").Time().UTC().Unix(), now.UTC().Add(-2*time.Hour).Unix(), 1)
+	require.Equal(t, record.Get("system"), system.Id)
+	require.Equal(t, record.Get("type"), "1m")
+
+	// Create recent system_stats record that should be kept
+	_, err = tests.CreateRecord(hub, "system_stats", map[string]any{
+		"system":  system.Id,
+		"type":    "1m",
+		"stats":   `{"cpu": 30.0, "mem": 512}`,
+		"created": now.Add(-30 * time.Minute), // 30 minutes old, should be kept
+	})
+	require.NoError(t, err)
+
+	// Create many alerts history records to trigger deletion
+	for i := range 260 { // More than countBeforeDeletion (250)
+		_, err = tests.CreateRecord(hub, "alerts_history", map[string]any{
+			"user":    user.Id,
+			"name":    "CPU",
+			"value":   i + 1,
+			"system":  system.Id,
+			"created": now.Add(-time.Duration(i) * time.Minute),
+		})
+		require.NoError(t, err)
+	}
+
+	// Count records before deletion
+	systemStatsCountBefore, err := hub.CountRecords("system_stats")
+	require.NoError(t, err)
+	alertsCountBefore, err := hub.CountRecords("alerts_history")
+	require.NoError(t, err)
+
+	// Run deletion
+	rm.DeleteOldRecords()
+
+	// Count records after deletion
+	systemStatsCountAfter, err := hub.CountRecords("system_stats")
+	require.NoError(t, err)
+	alertsCountAfter, err := hub.CountRecords("alerts_history")
+	require.NoError(t, err)
+
+	// Verify old system stats were deleted
+	assert.Less(t, systemStatsCountAfter, systemStatsCountBefore, "Old system stats should be deleted")
+
+	// Verify alerts history was trimmed
+	assert.Less(t, alertsCountAfter, alertsCountBefore, "Excessive alerts history should be deleted")
+	assert.Equal(t, alertsCountAfter, int64(200), "Alerts count should be equal to countToKeep (200)")
+}
+
+// TestDeleteOldSystemStats tests the deleteOldSystemStats function
+func TestDeleteOldSystemStats(t *testing.T) {
+	hub, err := tests.NewTestHub(t.TempDir())
+	require.NoError(t, err)
+	defer hub.Cleanup()
+
+	// Create test system
+	user, err := tests.CreateUser(hub, "test@example.com", "testtesttest")
+	require.NoError(t, err)
+
+	system, err := tests.CreateRecord(hub, "systems", map[string]any{
+		"name":   "test-system",
+		"host":   "localhost",
+		"port":   "45876",
+		"status": "up",
+		"users":  []string{user.Id},
+	})
+	require.NoError(t, err)
+
+	now := time.Now().UTC()
+
+	// Test data for different record types and their retention periods
+	testCases := []struct {
+		recordType   string
+		retention    time.Duration
+		shouldBeKept bool
+		ageFromNow   time.Duration
+		description  string
+	}{
+		{"1m", time.Hour, true, 30 * time.Minute, "1m record within 1 hour should be kept"},
+		{"1m", time.Hour, false, 2 * time.Hour, "1m record older than 1 hour should be deleted"},
+		{"10m", 12 * time.Hour, true, 6 * time.Hour, "10m record within 12 hours should be kept"},
+		{"10m", 12 * time.Hour, false, 24 * time.Hour, "10m record older than 12 hours should be deleted"},
+		{"20m", 24 * time.Hour, true, 12 * time.Hour, "20m record within 24 hours should be kept"},
+		{"20m", 24 * time.Hour, false, 48 * time.Hour, "20m record older than 24 hours should be deleted"},
+		{"120m", 7 * 24 * time.Hour, true, 3 * 24 * time.Hour, "120m record within 7 days should be kept"},
+		{"120m", 7 * 24 * time.Hour, false, 10 * 24 * time.Hour, "120m record older than 7 days should be deleted"},
+		{"480m", 30 * 24 * time.Hour, true, 15 * 24 * time.Hour, "480m record within 30 days should be kept"},
+		{"480m", 30 * 24 * time.Hour, false, 45 * 24 * time.Hour, "480m record older than 30 days should be deleted"},
+	}
+
+	// Create test records for both system_stats and container_stats
+	collections := []string{"system_stats", "container_stats"}
+	recordIds := make(map[string][]string)
+
+	for _, collection := range collections {
+		recordIds[collection] = make([]string, 0)
+
+		for i, tc := range testCases {
+			recordTime := now.Add(-tc.ageFromNow)
+
+			var stats string
+			if collection == "system_stats" {
+				stats = fmt.Sprintf(`{"cpu": %d.0, "mem": %d}`, i*10, i*100)
+			} else {
+				stats = fmt.Sprintf(`[{"name": "container%d", "cpu": %d.0, "mem": %d}]`, i, i*5, i*50)
+			}
+
+			record, err := tests.CreateRecord(hub, collection, map[string]any{
+				"system": system.Id,
+				"type":   tc.recordType,
+				"stats":  stats,
+			})
+			require.NoError(t, err)
+			record.SetRaw("created", recordTime.Format(types.DefaultDateLayout))
+			err = hub.SaveNoValidate(record)
+			require.NoError(t, err)
+			recordIds[collection] = append(recordIds[collection], record.Id)
+		}
+	}
+
+	// Run deletion
+	err = records.TestDeleteOldSystemStats(hub)
+	require.NoError(t, err)
+
+	// Verify results
+	for _, collection := range collections {
+		for i, tc := range testCases {
+			recordId := recordIds[collection][i]
+
+			// Try to find the record
+			_, err := hub.FindRecordById(collection, recordId)
+
+			if tc.shouldBeKept {
+				assert.NoError(t, err, "Record should exist: %s", tc.description)
+			} else {
+				assert.Error(t, err, "Record should be deleted: %s", tc.description)
+			}
+		}
+	}
+}
+
+// TestDeleteOldAlertsHistory tests the deleteOldAlertsHistory function
+func TestDeleteOldAlertsHistory(t *testing.T) {
+	hub, err := tests.NewTestHub(t.TempDir())
+	require.NoError(t, err)
+	defer hub.Cleanup()
+
+	// Create test users
+	user1, err := tests.CreateUser(hub, "user1@example.com", "testtesttest")
+	require.NoError(t, err)
+
+	user2, err := tests.CreateUser(hub, "user2@example.com", "testtesttest")
+	require.NoError(t, err)
+
+	system, err := tests.CreateRecord(hub, "systems", map[string]any{
+		"name":   "test-system",
+		"host":   "localhost",
+		"port":   "45876",
+		"status": "up",
+		"users":  []string{user1.Id, user2.Id},
+	})
+	require.NoError(t, err)
+	now := time.Now().UTC()
+
+	testCases := []struct {
+		name                  string
+		user                  *core.Record
+		alertCount            int
+		countToKeep           int
+		countBeforeDeletion   int
+		expectedAfterDeletion int
+		description           string
+	}{
+		{
+			name:                  "User with few alerts (below threshold)",
+			user:                  user1,
+			alertCount:            100,
+			countToKeep:           50,
+			countBeforeDeletion:   150,
+			expectedAfterDeletion: 100, // No deletion because below threshold
+			description:           "User with alerts below countBeforeDeletion should not have any deleted",
+		},
+		{
+			name:                  "User with many alerts (above threshold)",
+			user:                  user2,
+			alertCount:            300,
+			countToKeep:           100,
+			countBeforeDeletion:   200,
+			expectedAfterDeletion: 100, // Should be trimmed to countToKeep
+			description:           "User with alerts above countBeforeDeletion should be trimmed to countToKeep",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			// Create alerts for this user
+			for i := 0; i < tc.alertCount; i++ {
+				_, err := tests.CreateRecord(hub, "alerts_history", map[string]any{
+					"user":    tc.user.Id,
+					"name":    "CPU",
+					"value":   i + 1,
+					"system":  system.Id,
+					"created": now.Add(-time.Duration(i) * time.Minute),
+				})
+				require.NoError(t, err)
+			}
+
+			// Count before deletion
+			countBefore, err := hub.CountRecords("alerts_history",
+				dbx.NewExp("user = {:user}", dbx.Params{"user": tc.user.Id}))
+			require.NoError(t, err)
+			assert.Equal(t, int64(tc.alertCount), countBefore, "Initial count should match")
+
+			// Run deletion
+			err = records.TestDeleteOldAlertsHistory(hub, tc.countToKeep, tc.countBeforeDeletion)
+			require.NoError(t, err)
+
+			// Count after deletion
+			countAfter, err := hub.CountRecords("alerts_history",
+				dbx.NewExp("user = {:user}", dbx.Params{"user": tc.user.Id}))
+			require.NoError(t, err)
+
+			assert.Equal(t, int64(tc.expectedAfterDeletion), countAfter, tc.description)
+
+			// If deletion occurred, verify the most recent records were kept
+			if tc.expectedAfterDeletion < tc.alertCount {
+				records, err := hub.FindRecordsByFilter("alerts_history",
+					"user = {:user}",
+					"-created", // Order by created DESC
+					tc.countToKeep,
+					0,
+					map[string]any{"user": tc.user.Id})
+				require.NoError(t, err)
+				assert.Len(t, records, tc.expectedAfterDeletion, "Should have exactly countToKeep records")
+
+				// Verify records are in descending order by created time
+				for i := 1; i < len(records); i++ {
+					prev := records[i-1].GetDateTime("created").Time()
+					curr := records[i].GetDateTime("created").Time()
+					assert.True(t, prev.After(curr) || prev.Equal(curr),
+						"Records should be ordered by created time (newest first)")
+				}
+			}
+		})
+	}
+}
+
+// TestDeleteOldAlertsHistoryEdgeCases tests edge cases for alerts history deletion
+func TestDeleteOldAlertsHistoryEdgeCases(t *testing.T) {
+	hub, err := tests.NewTestHub(t.TempDir())
+	require.NoError(t, err)
+	defer hub.Cleanup()
+
+	t.Run("No users with excessive alerts", func(t *testing.T) {
+		// Create user with few alerts
+		user, err := tests.CreateUser(hub, "few@example.com", "testtesttest")
+		require.NoError(t, err)
+
+		system, err := tests.CreateRecord(hub, "systems", map[string]any{
+			"name":   "test-system",
+			"host":   "localhost",
+			"port":   "45876",
+			"status": "up",
+			"users":  []string{user.Id},
+		})
+
+		// Create only 5 alerts (well below threshold)
+		for i := range 5 {
+			_, err := tests.CreateRecord(hub, "alerts_history", map[string]any{
+				"user":   user.Id,
+				"name":   "CPU",
+				"value":  i + 1,
+				"system": system.Id,
+			})
+			require.NoError(t, err)
+		}
+
+		// Should not error and should not delete anything
+		err = records.TestDeleteOldAlertsHistory(hub, 10, 20)
+		require.NoError(t, err)
+
+		count, err := hub.CountRecords("alerts_history")
+		require.NoError(t, err)
+		assert.Equal(t, int64(5), count, "All alerts should remain")
+	})
+
+	t.Run("Empty alerts_history table", func(t *testing.T) {
+		// Clear any existing alerts
+		_, err := hub.DB().NewQuery("DELETE FROM alerts_history").Execute()
+		require.NoError(t, err)
+
+		// Should not error with empty table
+		err = records.TestDeleteOldAlertsHistory(hub, 10, 20)
+		require.NoError(t, err)
+	})
+}
+
+// TestRecordManagerCreation tests RecordManager creation
+func TestRecordManagerCreation(t *testing.T) {
+	hub, err := tests.NewTestHub(t.TempDir())
+	require.NoError(t, err)
+	defer hub.Cleanup()
+
+	rm := records.NewRecordManager(hub)
+	assert.NotNil(t, rm, "RecordManager should not be nil")
+}
+
+// TestTwoDecimals tests the twoDecimals helper function
+func TestTwoDecimals(t *testing.T) {
+	testCases := []struct {
+		input    float64
+		expected float64
+	}{
+		{1.234567, 1.23},
+		{1.235, 1.24}, // Should round up
+		{1.0, 1.0},
+		{0.0, 0.0},
+		{-1.234567, -1.23},
+		{-1.235, -1.23}, // Negative rounding
+	}
+
+	for _, tc := range testCases {
+		result := records.TestTwoDecimals(tc.input)
+		assert.InDelta(t, tc.expected, result, 0.02, "twoDecimals(%f) should equal %f", tc.input, tc.expected)
+	}
+}
--- a/beszel/internal/records/records_test_helpers.go
+++ b/beszel/internal/records/records_test_helpers.go
@@ -0,0 +1,23 @@
+//go:build testing
+// +build testing
+
+package records
+
+import (
+	"github.com/pocketbase/pocketbase/core"
+)
+
+// TestDeleteOldSystemStats exposes deleteOldSystemStats for testing
+func TestDeleteOldSystemStats(app core.App) error {
+	return deleteOldSystemStats(app)
+}
+
+// TestDeleteOldAlertsHistory exposes deleteOldAlertsHistory for testing
+func TestDeleteOldAlertsHistory(app core.App, countToKeep, countBeforeDeletion int) error {
+	return deleteOldAlertsHistory(app, countToKeep, countBeforeDeletion)
+}
+
+// TestTwoDecimals exposes twoDecimals for testing
+func TestTwoDecimals(value float64) float64 {
+	return twoDecimals(value)
+}
--- a/beszel/migrations/0_collections_snapshot_0_12_0_6.go
+++ b/beszel/migrations/0_collections_snapshot_0_12_0_6.go
@@ -140,6 +140,124 @@ func init() {
 		],
 		"system": false
 	},
+	{
+		"id": "pbc_1697146157",
+		"listRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"viewRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"createRule": null,
+		"updateRule": null,
+		"deleteRule": "@request.auth.id != \"\" && user.id = @request.auth.id",
+		"name": "alerts_history",
+		"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": "_pb_users_auth_",
+					"hidden": false,
+					"id": "relation2375276105",
+					"maxSelect": 1,
+					"minSelect": 0,
+					"name": "user",
+					"presentable": false,
+					"required": true,
+					"system": false,
+					"type": "relation"
+				},
+				{
+					"cascadeDelete": true,
+					"collectionId": "2hz5ncl8tizk5nx",
+					"hidden": false,
+					"id": "relation3377271179",
+					"maxSelect": 1,
+					"minSelect": 0,
+					"name": "system",
+					"presentable": false,
+					"required": true,
+					"system": false,
+					"type": "relation"
+				},
+				{
+					"autogeneratePattern": "",
+					"hidden": false,
+					"id": "text2466471794",
+					"max": 0,
+					"min": 0,
+					"name": "alert_id",
+					"pattern": "",
+					"presentable": false,
+					"primaryKey": false,
+					"required": false,
+					"system": false,
+					"type": "text"
+				},
+				{
+					"autogeneratePattern": "",
+					"hidden": false,
+					"id": "text1579384326",
+					"max": 0,
+					"min": 0,
+					"name": "name",
+					"pattern": "",
+					"presentable": false,
+					"primaryKey": false,
+					"required": true,
+					"system": false,
+					"type": "text"
+				},
+				{
+					"hidden": false,
+					"id": "number494360628",
+					"max": null,
+					"min": null,
+					"name": "value",
+					"onlyInt": false,
+					"presentable": false,
+					"required": false,
+					"system": false,
+					"type": "number"
+				},
+				{
+					"hidden": false,
+					"id": "autodate2990389176",
+					"name": "created",
+					"onCreate": true,
+					"onUpdate": false,
+					"presentable": false,
+					"system": false,
+					"type": "autodate"
+				},
+				{
+					"hidden": false,
+					"id": "date2276568630",
+					"max": "",
+					"min": "",
+					"name": "resolved",
+					"presentable": false,
+					"required": false,
+					"system": false,
+					"type": "date"
+				}
+		],
+		"indexes": [
+			"CREATE INDEX ` + "`" + `idx_YdGnup5aqB` + "`" + ` ON ` + "`" + `alerts_history` + "`" + ` (` + "`" + `user` + "`" + `)",
+			"CREATE INDEX ` + "`" + `idx_taLet9VdME` + "`" + ` ON ` + "`" + `alerts_history` + "`" + ` (` + "`" + `created` + "`" + `)"
+		],
+		"system": false
+	},
 	{
 		"id": "juohu4jipgc13v7",
 		"listRule": "@request.auth.id != \"\"",
@@ -757,7 +875,6 @@ func init() {
 			LEFT JOIN fingerprints f ON s.id = f.system
 			WHERE f.system IS NULL
 		`).Column(&systemIds)
-
 		if err != nil {
 			return err
 		}
--- a/beszel/migrations/1_create_alerts_history.go
+++ b/beszel/migrations/1_create_alerts_history.go
@@ -1,74 +0,0 @@
-package migrations
-
-import (
-	"github.com/pocketbase/pocketbase/core"
-	m "github.com/pocketbase/pocketbase/migrations"
-)
-
-func init() {
-	m.Register(func(app core.App) error {
-		jsonData := `[
-		{
-			"name": "alerts_history",
-			"type": "base",
-			"system": false,
-			"listRule": "",
-			"deleteRule": "",
-			"viewRule": ""
-			"fields": [
-				{
-					"name": "alert",
-					"type": "relation",
-					"required": true,
-					"collectionId": "elngm8x1l60zi2v",
-					"cascadeDelete": true,
-					"maxSelect": 1
-				},
-				{
-					"name": "user",
-					"type": "relation",
-					"required": true,
-					"collectionId": "_pb_users_auth_",
-					"cascadeDelete": true,
-					"maxSelect": 1
-				},
-				{
-					"name": "system",
-					"type": "relation",
-					"required": true,
-					"collectionId": "2hz5ncl8tizk5nx",
-					"cascadeDelete": true,
-					"maxSelect": 1
-				},
-				{
-					"name": "name",
-					"type": "text",
-					"required": true
-				},
-				{
-					"name": "value",
-					"type": "number",
-					"required": true
-				},
-				{
-					"name": "state",
-					"type": "select",
-					"required": true,
-					"values": ["active", "solved"]
-				},
-				{
-					"name": "created_date",
-					"type": "date",
-					"required": true
-				},
-				{
-					"name": "solved_date",
-					"type": "date",
-					"required": false
-				}
-			]
-		}
-	]`
-		return app.ImportCollectionsByMarshaledJSON([]byte(jsonData), false)
-	}, nil)
-}
--- a/beszel/site/bun.lockb
+++ b/beszel/site/bun.lockb
--- a/beszel/site/package-lock.json
+++ b/beszel/site/package-lock.json
@@ -40,7 +40,6 @@
 				"react": "^18.3.1",
 				"react-dom": "^18.3.1",
 				"recharts": "^2.15.3",
-				"sonner": "^2.0.6",
 				"tailwind-merge": "^2.6.0",
 				"tailwindcss-animate": "^1.0.7",
 				"valibot": "^0.42.1"
@@ -49,6 +48,7 @@
 				"@lingui/cli": "^5.3.2",
 				"@lingui/swc-plugin": "^5.5.2",
 				"@lingui/vite-plugin": "^5.3.2",
+				"@tailwindcss/container-queries": "^0.1.1",
 				"@types/bun": "^1.2.15",
 				"@types/react": "^18.3.23",
 				"@types/react-dom": "^18.3.7",
@@ -2832,6 +2832,16 @@
 				"@swc/counter": "^0.1.3"
 			}
 		},
+		"node_modules/@tailwindcss/container-queries": {
+			"version": "0.1.1",
+			"resolved": "https://registry.npmjs.org/@tailwindcss/container-queries/-/container-queries-0.1.1.tgz",
+			"integrity": "sha512-p18dswChx6WnTSaJCSGx6lTmrGzNNvm2FtXmiO6AuA1V4U5REyoqwmT6kgAsIMdjo07QdAfYXHJ4hnMtfHzWgA==",
+			"dev": true,
+			"license": "MIT",
+			"peerDependencies": {
+				"tailwindcss": ">=3.2.0"
+			}
+		},
 		"node_modules/@tanstack/react-table": {
 			"version": "8.21.3",
 			"resolved": "https://registry.npmjs.org/@tanstack/react-table/-/react-table-8.21.3.tgz",
@@ -5484,16 +5494,6 @@
 				"url": "https://github.com/sponsors/isaacs"
 			}
 		},
-		"node_modules/sonner": {
-			"version": "2.0.6",
-			"resolved": "https://registry.npmjs.org/sonner/-/sonner-2.0.6.tgz",
-			"integrity": "sha512-yHFhk8T/DK3YxjFQXIrcHT1rGEeTLliVzWbO0xN8GberVun2RiBnxAjXAYpZrqwEVHBG9asI/Li8TAAhN9m59Q==",
-			"license": "MIT",
-			"peerDependencies": {
-				"react": "^18.0.0 || ^19.0.0 || ^19.0.0-rc",
-				"react-dom": "^18.0.0 || ^19.0.0 || ^19.0.0-rc"
-			}
-		},
 		"node_modules/source-map": {
 			"version": "0.8.0-beta.0",
 			"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.8.0-beta.0.tgz",
--- a/beszel/site/package.json
+++ b/beszel/site/package.json
@@ -43,7 +43,6 @@
 		"react": "^18.3.1",
 		"react-dom": "^18.3.1",
 		"recharts": "^2.15.3",
-		"sonner": "^2.0.6",
 		"tailwind-merge": "^2.6.0",
 		"tailwindcss-animate": "^1.0.7",
 		"valibot": "^0.42.1"
@@ -52,6 +51,7 @@
 		"@lingui/cli": "^5.3.2",
 		"@lingui/swc-plugin": "^5.5.2",
 		"@lingui/vite-plugin": "^5.3.2",
+		"@tailwindcss/container-queries": "^0.1.1",
 		"@types/bun": "^1.2.15",
 		"@types/react": "^18.3.23",
 		"@types/react-dom": "^18.3.7",
@@ -71,4 +71,4 @@
 	"optionalDependencies": {
 		"@esbuild/linux-arm64": "^0.21.5"
 	}
-}
+}
--- a/beszel/site/src/components/alerts-history-columns.tsx
+++ b/beszel/site/src/components/alerts-history-columns.tsx
@@ -1,146 +1,164 @@
 import { ColumnDef } from "@tanstack/react-table"
 import { AlertsHistoryRecord } from "@/types"
 import { Button } from "@/components/ui/button"
-import { ArrowUpDown } from "lucide-react"
 import { Badge } from "@/components/ui/badge"
+import { alertInfo, formatShortDate, toFixedFloat, formatDuration, cn } from "@/lib/utils"
+import { Trans } from "@lingui/react/macro"
+import { t } from "@lingui/core/macro"

 export const alertsHistoryColumns: ColumnDef<AlertsHistoryRecord>[] = [
-  {
-    accessorKey: "system",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-      >
-        System <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => <span className="text-center block">{row.original.expand?.system?.name || row.original.system}</span>,
-    enableSorting: true,
-    filterFn: (row, _, filterValue) => {
-      const display = row.original.expand?.system?.name || row.original.system || ""
-      return display.toLowerCase().includes(filterValue.toLowerCase())
-    },
-  },
-  {
-    accessorKey: "name",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-      >
-        Name <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => <span className="text-center block">{row.getValue("name")}</span>,
-    enableSorting: true,
-    filterFn: (row, _, filterValue) => {
-      const value = row.getValue("name") || ""
-      return String(value).toLowerCase().includes(filterValue.toLowerCase())
-    },
-  },
-  {
-    accessorKey: "value",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-        className="text-right w-full justify-end"
-      >
-        Value <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => <span className="text-center block">{Math.round(Number(row.getValue("value")))}</span>,
-    enableSorting: true,
-  },
-  {
-    accessorKey: "state",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-        className="text-center w-full justify-start"
-      >
-        State <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => {
-      const state = row.getValue("state") as string
-      let color = ""
-      if (state === "solved") color = "bg-green-100 text-green-800 border-green-200"
-      else if (state === "active") color = "bg-yellow-100 text-yellow-800 border-yellow-200"
-      return (
-        <span className="text-center block">
-          <Badge className={`capitalize ${color}`}>{state}</Badge>
-        </span>
-      )
-    },
-    enableSorting: true,
-  },
-  {
-    accessorKey: "create_date",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-      >
-        Created <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => (
-      <span className="text-center block">
-        {row.original.created_date ? new Date(row.original.created_date).toLocaleString() : ""}
-      </span>
-    ),
-    enableSorting: true,
-  },
-  {
-    accessorKey: "solved_date",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-      >
-        Solved <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => (
-      <span className="text-center block">
-        {row.original.solved_date ? new Date(row.original.solved_date).toLocaleString() : ""}
-      </span>
-    ),
-    enableSorting: true,
-  },
-  {
-    accessorKey: "duration",
-    header: ({ column }) => (
-      <Button
-        variant="ghost"
-        onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}
-      >
-        Duration <ArrowUpDown className="ml-2 h-4 w-4" />
-      </Button>
-    ),
-    cell: ({ row }) => {
-      const created = row.original.created_date ? new Date(row.original.created_date) : null
-      const solved = row.original.solved_date ? new Date(row.original.solved_date) : null
-      if (!created || !solved) return <span className="text-center block"></span>
-      const diffMs = solved.getTime() - created.getTime()
-      if (diffMs < 0) return <span className="text-center block"></span>
-      const totalSeconds = Math.floor(diffMs / 1000)
-      const hours = Math.floor(totalSeconds / 3600)
-      const minutes = Math.floor((totalSeconds % 3600) / 60)
-      const seconds = totalSeconds % 60
-      return (
-        <span className="text-center block">
-          {[
-            hours ? `${hours}h` : null,
-            minutes ? `${minutes}m` : null,
-            `${seconds}s`
-          ].filter(Boolean).join(" ")}
-        </span>
-      )
-    },
-    enableSorting: true,
-  },
-] 
+	{
+		accessorKey: "system",
+		enableSorting: true,
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>System</Trans>
+			</Button>
+		),
+		cell: ({ row }) => <span className="ps-2">{row.original.expand?.system?.name || row.original.system}</span>,
+		filterFn: (row, _, filterValue) => {
+			const display = row.original.expand?.system?.name || row.original.system || ""
+			return display.toLowerCase().includes(filterValue.toLowerCase())
+		},
+	},
+	{
+		// accessorKey: "name",
+		id: "name",
+		accessorFn: (record) => {
+			const name = record.name
+			const info = alertInfo[name]
+			return info?.name().replace("cpu", "CPU") || name
+		},
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>Name</Trans>
+			</Button>
+		),
+		cell: ({ getValue, row }) => {
+			let name = getValue() as string
+			const info = alertInfo[row.original.name]
+			const Icon = info?.icon
+
+			return (
+				<span className="flex items-center gap-2 ps-1 min-w-40">
+					{Icon && <Icon className="size-3.5" />}
+					{name}
+				</span>
+			)
+		},
+	},
+	{
+		accessorKey: "value",
+		enableSorting: false,
+		header: () => (
+			<Button variant="ghost">
+				<Trans>Value</Trans>
+			</Button>
+		),
+		cell({ row, getValue }) {
+			const name = row.original.name
+			if (name === "Status") {
+				return <span className="ps-2">{t`Down`}</span>
+			}
+			const value = getValue() as number
+			const unit = alertInfo[name]?.unit
+			return (
+				<span className="tabular-nums ps-2.5">
+					{toFixedFloat(value, value < 10 ? 2 : 1)}
+					{unit}
+				</span>
+			)
+		},
+	},
+	{
+		accessorKey: "state",
+		enableSorting: true,
+		sortingFn: (rowA, rowB) => (rowA.original.resolved ? 1 : 0) - (rowB.original.resolved ? 1 : 0),
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>State</Trans>
+			</Button>
+		),
+		cell: ({ row }) => {
+			const resolved = row.original.resolved
+			return (
+				<Badge
+					className={cn(
+						"capitalize pointer-events-none",
+						resolved
+							? "bg-green-100 text-green-800 border-green-200 dark:opacity-80"
+							: "bg-yellow-100 text-yellow-800 border-yellow-200"
+					)}
+				>
+					{/* {resolved ? <CircleCheckIcon className="size-3 me-0.5" /> : <CircleAlertIcon className="size-3 me-0.5" />} */}
+					<Trans>{resolved ? "Resolved" : "Active"}</Trans>
+				</Badge>
+			)
+		},
+	},
+	{
+		accessorKey: "created",
+		accessorFn: (record) => formatShortDate(record.created),
+		enableSorting: true,
+		invertSorting: true,
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>Created</Trans>
+			</Button>
+		),
+		cell: ({ getValue, row }) => (
+			<span className="ps-1 tabular-nums tracking-tight" title={`${row.original.created} UTC`}>
+				{getValue() as string}
+			</span>
+		),
+	},
+	{
+		accessorKey: "resolved",
+		enableSorting: true,
+		invertSorting: true,
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>Resolved</Trans>
+			</Button>
+		),
+		cell: ({ row, getValue }) => {
+			const resolved = getValue() as string | null
+			if (!resolved) {
+				return null
+			}
+			return (
+				<span className="ps-1 tabular-nums tracking-tight" title={`${row.original.resolved} UTC`}>
+					{formatShortDate(resolved)}
+				</span>
+			)
+		},
+	},
+	{
+		accessorKey: "duration",
+		invertSorting: true,
+		enableSorting: true,
+		sortingFn: (rowA, rowB) => {
+			const aCreated = new Date(rowA.original.created)
+			const bCreated = new Date(rowB.original.created)
+			const aResolved = rowA.original.resolved ? new Date(rowA.original.resolved) : null
+			const bResolved = rowB.original.resolved ? new Date(rowB.original.resolved) : null
+			const aDuration = aResolved ? aResolved.getTime() - aCreated.getTime() : null
+			const bDuration = bResolved ? bResolved.getTime() - bCreated.getTime() : null
+			if (!aDuration && bDuration) return -1
+			if (aDuration && !bDuration) return 1
+			return (aDuration || 0) - (bDuration || 0)
+		},
+		header: ({ column }) => (
+			<Button variant="ghost" onClick={() => column.toggleSorting(column.getIsSorted() === "asc")}>
+				<Trans>Duration</Trans>
+			</Button>
+		),
+		cell: ({ row }) => {
+			const duration = formatDuration(row.original.created, row.original.resolved)
+			if (!duration) {
+				return null
+			}
+			return <span className="ps-2">{duration}</span>
+		},
+	},
+]
--- a/beszel/site/src/components/command-palette.tsx
+++ b/beszel/site/src/components/command-palette.tsx
@@ -69,7 +69,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 											setOpen(false)
 										}}
 									>
-										<Server className="me-2 h-4 w-4" />
+										<Server className="me-2 size-4" />
 										<span>{system.name}</span>
 										<CommandShortcut>{getHostDisplayValue(system)}</CommandShortcut>
 									</CommandItem>
@@ -86,7 +86,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 								setOpen(false)
 							}}
 						>
-							<LayoutDashboard className="me-2 h-4 w-4" />
+							<LayoutDashboard className="me-2 size-4" />
 							<span>
 								<Trans>Dashboard</Trans>
 							</span>
@@ -100,7 +100,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 								setOpen(false)
 							}}
 						>
-							<SettingsIcon className="me-2 h-4 w-4" />
+							<SettingsIcon className="me-2 size-4" />
 							<span>
 								<Trans>Settings</Trans>
 							</span>
@@ -113,7 +113,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 								setOpen(false)
 							}}
 						>
-							<MailIcon className="me-2 h-4 w-4" />
+							<MailIcon className="me-2 size-4" />
 							<span>
 								<Trans>Notifications</Trans>
 							</span>
@@ -125,19 +125,31 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 								setOpen(false)
 							}}
 						>
-							<FingerprintIcon className="me-2 h-4 w-4" />
+							<FingerprintIcon className="me-2 size-4" />
 							<span>
 								<Trans>Tokens & Fingerprints</Trans>
 							</span>
 							{SettingsShortcut}
 						</CommandItem>
+						<CommandItem
+							onSelect={() => {
+								navigate(getPagePath($router, "settings", { name: "alert-history" }))
+								setOpen(false)
+							}}
+						>
+							<LogsIcon className="me-2 size-4" />
+							<span>
+								<Trans>Alert History</Trans>
+							</span>
+							{SettingsShortcut}
+						</CommandItem>
 						<CommandItem
 							keywords={["help", "oauth", "oidc"]}
 							onSelect={() => {
 								window.location.href = "https://beszel.dev/guide/what-is-beszel"
 							}}
 						>
-							<BookIcon className="me-2 h-4 w-4" />
+							<BookIcon className="me-2 size-4" />
 							<span>
 								<Trans>Documentation</Trans>
 							</span>
@@ -155,7 +167,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 										window.open(prependBasePath("/_/"), "_blank")
 									}}
 								>
-									<UsersIcon className="me-2 h-4 w-4" />
+									<UsersIcon className="me-2 size-4" />
 									<span>
 										<Trans>Users</Trans>
 									</span>
@@ -167,7 +179,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 										window.open(prependBasePath("/_/#/logs"), "_blank")
 									}}
 								>
-									<LogsIcon className="me-2 h-4 w-4" />
+									<LogsIcon className="me-2 size-4" />
 									<span>
 										<Trans>Logs</Trans>
 									</span>
@@ -179,7 +191,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 										window.open(prependBasePath("/_/#/settings/backups"), "_blank")
 									}}
 								>
-									<DatabaseBackupIcon className="me-2 h-4 w-4" />
+									<DatabaseBackupIcon className="me-2 size-4" />
 									<span>
 										<Trans>Backups</Trans>
 									</span>
@@ -192,7 +204,7 @@ export default memo(function CommandPalette({ open, setOpen }: { open: boolean;
 										window.open(prependBasePath("/_/#/settings/mail"), "_blank")
 									}}
 								>
-									<MailIcon className="me-2 h-4 w-4" />
+									<MailIcon className="me-2 size-4" />
 									<span>
 										<Trans>SMTP settings</Trans>
 									</span>
--- a/beszel/site/src/components/routes/home.tsx
+++ b/beszel/site/src/components/routes/home.tsx
@@ -110,10 +110,14 @@ const ActiveAlerts = memo(({ activeAlerts }: { activeAlerts: AlertRecord[] }) =>
 										{alert.sysname} {info.name().toLowerCase().replace("cpu", "CPU")}
 									</AlertTitle>
 									<AlertDescription>
-										<Trans>
-											Exceeds {alert.value}
-											{info.unit} in last <Plural value={alert.min} one="# minute" other="# minutes" />
-										</Trans>
+										{alert.name === "Status" ? (
+											<Trans>Connection is down</Trans>
+										) : (
+											<Trans>
+												Exceeds {alert.value}
+												{info.unit} in last <Plural value={alert.min} one="# minute" other="# minutes" />
+											</Trans>
+										)}
 									</AlertDescription>
 									<Link
 										href={getPagePath($router, "system", { name: alert.sysname! })}
--- a/beszel/site/src/components/routes/settings/alerts-history-data-table.tsx
+++ b/beszel/site/src/components/routes/settings/alerts-history-data-table.tsx
@@ -1,247 +1,385 @@
-"use client"
-
-import * as React from "react"
-import { useStore } from "@nanostores/react"
-import { $alertsHistory, pb } from "@/lib/stores"
+import { pb } from "@/lib/stores"
+import { alertInfo, cn, formatDuration, formatShortDate } from "@/lib/utils"
 import { AlertsHistoryRecord } from "@/types"
 import {
-  getCoreRowModel,
-  getPaginationRowModel,
-  getSortedRowModel,
-  getFilteredRowModel,
-  useReactTable,
-  flexRender,
-  ColumnFiltersState,
-  SortingState,
-  VisibilityState,
+	getCoreRowModel,
+	getPaginationRowModel,
+	getSortedRowModel,
+	getFilteredRowModel,
+	useReactTable,
+	flexRender,
+	ColumnFiltersState,
+	SortingState,
+	VisibilityState,
 } from "@tanstack/react-table"
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table"
-import { Button } from "@/components/ui/button"
+import { Button, buttonVariants } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
 import { alertsHistoryColumns } from "../../alerts-history-columns"
 import { Checkbox } from "@/components/ui/checkbox"
-import { toast } from "sonner"
+import { memo, useEffect, useState } from "react"
+import { Label } from "@/components/ui/label"
+import { Select, SelectTrigger, SelectValue, SelectContent, SelectItem } from "@/components/ui/select"
+import {
+	ChevronLeftIcon,
+	ChevronRightIcon,
+	ChevronsLeftIcon,
+	ChevronsRightIcon,
+	DownloadIcon,
+	Trash2Icon,
+} from "lucide-react"
+import { Trans } from "@lingui/react/macro"
+import { t } from "@lingui/core/macro"
+import { useToast } from "@/components/ui/use-toast"
+import {
+	AlertDialog,
+	AlertDialogAction,
+	AlertDialogCancel,
+	AlertDialogContent,
+	AlertDialogDescription,
+	AlertDialogFooter,
+	AlertDialogHeader,
+	AlertDialogTitle,
+	AlertDialogTrigger,
+} from "@/components/ui/alert-dialog"
+
+const SectionIntro = memo(() => {
+	return (
+		<div>
+			<h3 className="text-xl font-medium mb-2">
+				<Trans>Alert History</Trans>
+			</h3>
+			<p className="text-sm text-muted-foreground leading-relaxed">
+				<Trans>View your 200 most recent alerts.</Trans>
+			</p>
+		</div>
+	)
+})

 export default function AlertsHistoryDataTable() {
-  const alertsHistory = useStore($alertsHistory)
+	const [data, setData] = useState<AlertsHistoryRecord[]>([])
+	const [sorting, setSorting] = useState<SortingState>([])
+	const [columnFilters, setColumnFilters] = useState<ColumnFiltersState>([])
+	const [columnVisibility, setColumnVisibility] = useState<VisibilityState>({})
+	const [rowSelection, setRowSelection] = useState({})
+	const [globalFilter, setGlobalFilter] = useState("")
+	const { toast } = useToast()
+	const [deleteOpen, setDeleteDialogOpen] = useState(false)

-  React.useEffect(() => {
-    pb.collection<AlertsHistoryRecord>("alerts_history")
-      .getFullList({
-        sort: "-created_date",
-        expand: "system,user,alert"
-      })
-      .then(records => {
-        $alertsHistory.set(records)
-      })
-  }, [])
+	useEffect(() => {
+		let unsubscribe: (() => void) | undefined
+		const pbOptions = {
+			expand: "system",
+			fields: "id,name,value,state,created,resolved,expand.system.name",
+		}
+		// Initial load
+		pb.collection<AlertsHistoryRecord>("alerts_history")
+			.getFullList({
+				...pbOptions,
+				sort: "-created",
+			})
+			.then((records) => setData(records))

-  const [sorting, setSorting] = React.useState<SortingState>([])
-  const [columnFilters, setColumnFilters] = React.useState<ColumnFiltersState>([])
-  const [columnVisibility, setColumnVisibility] = React.useState<VisibilityState>({})
-  const [rowSelection, setRowSelection] = React.useState({})
-  const [combinedFilter, setCombinedFilter] = React.useState("")
-  const [globalFilter, setGlobalFilter] = React.useState("")
+		// Subscribe to changes
+		;(async () => {
+			unsubscribe = await pb.collection("alerts_history").subscribe(
+				"*",
+				(e) => {
+					if (e.action === "create") {
+						setData((current) => [e.record as AlertsHistoryRecord, ...current])
+					}
+					if (e.action === "update") {
+						setData((current) => current.map((r) => (r.id === e.record.id ? (e.record as AlertsHistoryRecord) : r)))
+					}
+					if (e.action === "delete") {
+						setData((current) => current.filter((r) => r.id !== e.record.id))
+					}
+				},
+				pbOptions
+			)
+		})()
+		// Unsubscribe on unmount
+		return () => unsubscribe?.()
+	}, [])

-  const table = useReactTable({
-    data: alertsHistory,
-    columns: [
-      {
-        id: "select",
-        header: ({ table }) => (
-          <Checkbox
-            checked={
-              table.getIsAllPageRowsSelected() ||
-              (table.getIsSomePageRowsSelected() && "indeterminate")
-            }
-            onCheckedChange={value => table.toggleAllPageRowsSelected(!!value)}
-            aria-label="Select all"
-          />
-        ),
-        cell: ({ row }) => (
-          <Checkbox
-            checked={row.getIsSelected()}
-            onCheckedChange={value => row.toggleSelected(!!value)}
-            aria-label="Select row"
-          />
-        ),
-        enableSorting: false,
-        enableHiding: false,
-      },
-      ...alertsHistoryColumns,
-    ],
-    getCoreRowModel: getCoreRowModel(),
-    getPaginationRowModel: getPaginationRowModel(),
-    getSortedRowModel: getSortedRowModel(),
-    getFilteredRowModel: getFilteredRowModel(),
-    onSortingChange: setSorting,
-    onColumnFiltersChange: setColumnFilters,
-    onColumnVisibilityChange: setColumnVisibility,
-    onRowSelectionChange: setRowSelection,
-    globalFilterFn: (row, _columnId, filterValue) => {
-      const system = row.original.expand?.system?.name || row.original.system || ""
-      const name = row.getValue("name") || ""
-      const search = String(filterValue).toLowerCase()
-      return (
-        system.toLowerCase().includes(search) ||
-        String(name).toLowerCase().includes(search)
-      )
-    },
-    state: {
-      sorting,
-      columnFilters,
-      columnVisibility,
-      rowSelection,
-      globalFilter,
-    },
-    onGlobalFilterChange: setGlobalFilter,
-  })
+	const table = useReactTable({
+		data,
+		columns: [
+			{
+				id: "select",
+				header: ({ table }) => (
+					<Checkbox
+						className="ms-2"
+						checked={table.getIsAllPageRowsSelected() || (table.getIsSomePageRowsSelected() && "indeterminate")}
+						onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
+						aria-label="Select all"
+					/>
+				),
+				cell: ({ row }) => (
+					<Checkbox
+						checked={row.getIsSelected()}
+						onCheckedChange={(value) => row.toggleSelected(!!value)}
+						aria-label="Select row"
+					/>
+				),
+				enableSorting: false,
+				enableHiding: false,
+			},
+			...alertsHistoryColumns,
+		],
+		getCoreRowModel: getCoreRowModel(),
+		getPaginationRowModel: getPaginationRowModel(),
+		getSortedRowModel: getSortedRowModel(),
+		getFilteredRowModel: getFilteredRowModel(),
+		onSortingChange: setSorting,
+		onColumnFiltersChange: setColumnFilters,
+		onColumnVisibilityChange: setColumnVisibility,
+		onRowSelectionChange: setRowSelection,
+		state: {
+			sorting,
+			columnFilters,
+			columnVisibility,
+			rowSelection,
+			globalFilter,
+		},
+		onGlobalFilterChange: setGlobalFilter,
+		globalFilterFn: (row, _columnId, filterValue) => {
+			const system = row.original.expand?.system?.name ?? ""
+			const name = row.getValue("name") ?? ""
+			const created = row.getValue("created") ?? ""
+			const search = String(filterValue).toLowerCase()
+			return (
+				system.toLowerCase().includes(search) ||
+				(name as string).toLowerCase().includes(search) ||
+				(created as string).toLowerCase().includes(search)
+			)
+		},
+	})

-  // Bulk delete handler
-  const handleBulkDelete = async () => {
-    if (!window.confirm("Are you sure you want to delete the selected records?")) return
-    const selectedIds = table.getSelectedRowModel().rows.map(row => row.original.id)
-    try {
-      await Promise.all(selectedIds.map(id => pb.collection("alerts_history").delete(id)))
-      $alertsHistory.set(alertsHistory.filter(r => !selectedIds.includes(r.id)))
-      toast.success("Deleted selected records.")
-    } catch (e) {
-      toast.error("Failed to delete some records.")
-    }
-  }
+	// Bulk delete handler
+	const handleBulkDelete = async () => {
+		setDeleteDialogOpen(false)
+		const selectedIds = table.getSelectedRowModel().rows.map((row) => row.original.id)
+		try {
+			let batch = pb.createBatch()
+			let inBatch = 0
+			for (const id of selectedIds) {
+				batch.collection("alerts_history").delete(id)
+				inBatch++
+				if (inBatch > 20) {
+					await batch.send()
+					batch = pb.createBatch()
+					inBatch = 0
+				}
+			}
+			inBatch && (await batch.send())
+			table.resetRowSelection()
+		} catch (e) {
+			toast({
+				variant: "destructive",
+				title: t`Error`,
+				description: `Failed to delete records.`,
+			})
+		}
+	}

-  // Export to CSV handler
-  const handleExportCSV = () => {
-    const selectedRows = table.getSelectedRowModel().rows
-    if (!selectedRows.length) return
-    const headers = ["system", "name", "value", "state", "created_date", "solved_date", "duration"]
-    const csvRows = [headers.join(",")]
-    for (const row of selectedRows) {
-      const r = row.original
-      csvRows.push([
-        r.expand?.system?.name || r.system,
-        r.name,
-        r.value,
-        r.state,
-        r.created_date,
-        r.solved_date,
-        (() => {
-          const created = r.created_date ? new Date(r.created_date) : null
-          const solved = r.solved_date ? new Date(r.solved_date) : null
-          if (!created || !solved) return ""
-          const diffMs = solved.getTime() - created.getTime()
-          if (diffMs < 0) return ""
-          const totalSeconds = Math.floor(diffMs / 1000)
-          const hours = Math.floor(totalSeconds / 3600)
-          const minutes = Math.floor((totalSeconds % 3600) / 60)
-          const seconds = totalSeconds % 60
-          return [
-            hours ? `${hours}h` : null,
-            minutes ? `${minutes}m` : null,
-            `${seconds}s`
-          ].filter(Boolean).join(" ")
-        })()
-      ].map(v => `"${v ?? ""}"`).join(","))
-    }
-    const blob = new Blob([csvRows.join("\n")], { type: "text/csv" })
-    const url = URL.createObjectURL(blob)
-    const a = document.createElement("a")
-    a.href = url
-    a.download = "alerts_history.csv"
-    a.click()
-    URL.revokeObjectURL(url)
-  }
+	// Export to CSV handler
+	const handleExportCSV = () => {
+		const selectedRows = table.getSelectedRowModel().rows
+		if (!selectedRows.length) return
+		const cells: Record<string, (record: AlertsHistoryRecord) => string> = {
+			system: (record) => record.expand?.system?.name || record.system,
+			name: (record) => alertInfo[record.name]?.name() || record.name,
+			value: (record) => record.value + (alertInfo[record.name]?.unit ?? ""),
+			state: (record) => (record.resolved ? t`Resolved` : t`Active`),
+			created: (record) => formatShortDate(record.created),
+			resolved: (record) => (record.resolved ? formatShortDate(record.resolved) : ""),
+			duration: (record) => (record.resolved ? formatDuration(record.created, record.resolved) : ""),
+		}
+		const csvRows = [Object.keys(cells).join(",")]
+		for (const row of selectedRows) {
+			const r = row.original
+			csvRows.push(
+				Object.values(cells)
+					.map((val) => val(r))
+					.join(",")
+			)
+		}
+		const blob = new Blob([csvRows.join("\n")], { type: "text/csv" })
+		const url = URL.createObjectURL(blob)
+		const a = document.createElement("a")
+		a.href = url
+		a.download = "alerts_history.csv"
+		a.click()
+		URL.revokeObjectURL(url)
+	}

-  return (
-    <div className="w-full">
-      <div className="flex items-center py-4 gap-4">
-        <Input
-          placeholder="Filter system or name..."
-          value={globalFilter}
-          onChange={e => setGlobalFilter(e.target.value)}
-          className="max-w-sm"
-        />
-        {table.getFilteredSelectedRowModel().rows.length > 0 && (
-          <>
-            <Button
-              variant="destructive"
-              onClick={handleBulkDelete}
-              size="sm"
-            >
-              Delete Selected
-            </Button>
-            <Button
-              variant="outline"
-              onClick={handleExportCSV}
-              size="sm"
-            >
-              Export Selected
-            </Button>
-          </>
-        )}
-      </div>
-      <div className="rounded-md border overflow-x-auto">
-        <Table>
-          <TableHeader>
-            {table.getHeaderGroups().map(headerGroup => (
-              <TableRow key={headerGroup.id}>
-                {headerGroup.headers.map(header => (
-                  <TableHead key={header.id}>
-                    {header.isPlaceholder
-                      ? null
-                      : flexRender(header.column.columnDef.header, header.getContext())}
-                  </TableHead>
-                ))}
-              </TableRow>
-            ))}
-          </TableHeader>
-          <TableBody>
-            {table.getRowModel().rows.length ? (
-              table.getRowModel().rows.map(row => (
-                <TableRow
-                  key={row.id}
-                  data-state={row.getIsSelected() && "selected"}
-                >
-                  {row.getVisibleCells().map(cell => (
-                    <TableCell key={cell.id}>
-                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
-                    </TableCell>
-                  ))}
-                </TableRow>
-              ))
-            ) : (
-              <TableRow>
-                <TableCell colSpan={table.getAllColumns().length} className="h-24 text-center">
-                  No results.
-                </TableCell>
-              </TableRow>
-            )}
-          </TableBody>
-        </Table>
-      </div>
-      <div className="flex items-center justify-end space-x-2 py-4">
-        <div className="text-muted-foreground flex-1 text-sm">
-          {table.getFilteredSelectedRowModel().rows.length} of {table.getFilteredRowModel().rows.length} row(s) selected.
-        </div>
-        <div className="space-x-2">
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={() => table.previousPage()}
-            disabled={!table.getCanPreviousPage()}
-          >
-            Previous
-          </Button>
-          <Button
-            variant="outline"
-            size="sm"
-            onClick={() => table.nextPage()}
-            disabled={!table.getCanNextPage()}
-          >
-            Next
-          </Button>
-        </div>
-      </div>
-    </div>
-  )
-} 
+	return (
+		<div className="@container w-full">
+			<div className="@3xl:flex items-end mb-4 gap-4">
+				<SectionIntro />
+				<div className="flex items-center gap-2 ms-auto mt-3 @3xl:mt-0">
+					{table.getFilteredSelectedRowModel().rows.length > 0 && (
+						<div className="fixed bottom-0 left-0 w-full p-4 grid grid-cols-2 items-center gap-4 z-50 backdrop-blur-md shrink-0 @lg:static @lg:p-0 @lg:w-auto @lg:gap-3">
+							<AlertDialog open={deleteOpen} onOpenChange={(open) => setDeleteDialogOpen(open)}>
+								<AlertDialogTrigger asChild>
+									<Button variant="destructive" className="h-9 shrink-0">
+										<Trash2Icon className="size-4 shrink-0" />
+										<span className="ms-1">
+											<Trans>Delete</Trans>
+										</span>
+									</Button>
+								</AlertDialogTrigger>
+								<AlertDialogContent>
+									<AlertDialogHeader>
+										<AlertDialogTitle>
+											<Trans>Are you sure?</Trans>
+										</AlertDialogTitle>
+										<AlertDialogDescription>
+											<Trans>This will permanently delete all selected records from the database.</Trans>
+										</AlertDialogDescription>
+									</AlertDialogHeader>
+									<AlertDialogFooter>
+										<AlertDialogCancel>
+											<Trans>Cancel</Trans>
+										</AlertDialogCancel>
+										<AlertDialogAction
+											className={cn(buttonVariants({ variant: "destructive" }))}
+											onClick={handleBulkDelete}
+										>
+											<Trans>Continue</Trans>
+										</AlertDialogAction>
+									</AlertDialogFooter>
+								</AlertDialogContent>
+							</AlertDialog>
+							<Button variant="outline" className="h-10" onClick={handleExportCSV}>
+								<DownloadIcon className="size-4" />
+								<span className="ms-1">
+									<Trans>Export</Trans>
+								</span>
+							</Button>
+						</div>
+					)}
+					<Input
+						placeholder={t`Filter...`}
+						value={globalFilter}
+						onChange={(e) => setGlobalFilter(e.target.value)}
+						className="px-4 w-full max-w-full @3xl:w-64"
+					/>
+				</div>
+			</div>
+			<div className="rounded-md border overflow-x-auto whitespace-nowrap">
+				<Table>
+					<TableHeader>
+						{table.getHeaderGroups().map((headerGroup) => (
+							<TableRow key={headerGroup.id}>
+								{headerGroup.headers.map((header) => (
+									<TableHead className="px-2" key={header.id}>
+										{header.isPlaceholder ? null : flexRender(header.column.columnDef.header, header.getContext())}
+									</TableHead>
+								))}
+							</TableRow>
+						))}
+					</TableHeader>
+					<TableBody>
+						{table.getRowModel().rows.length ? (
+							table.getRowModel().rows.map((row) => (
+								<TableRow key={row.id} data-state={row.getIsSelected() && "selected"}>
+									{row.getVisibleCells().map((cell) => (
+										<TableCell key={cell.id} className="py-3">
+											{flexRender(cell.column.columnDef.cell, cell.getContext())}
+										</TableCell>
+									))}
+								</TableRow>
+							))
+						) : (
+							<TableRow>
+								<TableCell colSpan={table.getAllColumns().length} className="h-24 text-center">
+									<Trans>No results.</Trans>
+								</TableCell>
+							</TableRow>
+						)}
+					</TableBody>
+				</Table>
+			</div>
+			<div className="flex items-center justify-between ps-1 tabular-nums">
+				<div className="text-muted-foreground hidden flex-1 text-sm lg:flex">
+					<Trans>
+						{table.getFilteredSelectedRowModel().rows.length} of {table.getFilteredRowModel().rows.length} row(s)
+						selected.
+					</Trans>
+				</div>
+				<div className="flex w-full items-center gap-8 lg:w-fit my-3">
+					<div className="hidden items-center gap-2 lg:flex">
+						<Label htmlFor="rows-per-page" className="text-sm font-medium">
+							<Trans>Rows per page</Trans>
+						</Label>
+						<Select
+							value={`${table.getState().pagination.pageSize}`}
+							onValueChange={(value) => {
+								table.setPageSize(Number(value))
+							}}
+						>
+							<SelectTrigger className="w-[4.8em]" id="rows-per-page">
+								<SelectValue placeholder={table.getState().pagination.pageSize} />
+							</SelectTrigger>
+							<SelectContent side="top">
+								{[10, 20, 50, 100, 200].map((pageSize) => (
+									<SelectItem key={pageSize} value={`${pageSize}`}>
+										{pageSize}
+									</SelectItem>
+								))}
+							</SelectContent>
+						</Select>
+					</div>
+					<div className="flex w-fit items-center justify-center text-sm font-medium">
+						<Trans>
+							Page {table.getState().pagination.pageIndex + 1} of {table.getPageCount()}
+						</Trans>
+					</div>
+					<div className="ms-auto flex items-center gap-2 lg:ms-0">
+						<Button
+							variant="outline"
+							className="hidden size-9 p-0 lg:flex"
+							onClick={() => table.setPageIndex(0)}
+							disabled={!table.getCanPreviousPage()}
+						>
+							<span className="sr-only">Go to first page</span>
+							<ChevronsLeftIcon className="size-5" />
+						</Button>
+						<Button
+							variant="outline"
+							className="size-9"
+							size="icon"
+							onClick={() => table.previousPage()}
+							disabled={!table.getCanPreviousPage()}
+						>
+							<span className="sr-only">Go to previous page</span>
+							<ChevronLeftIcon className="size-5" />
+						</Button>
+						<Button
+							variant="outline"
+							className="size-9"
+							size="icon"
+							onClick={() => table.nextPage()}
+							disabled={!table.getCanNextPage()}
+						>
+							<span className="sr-only">Go to next page</span>
+							<ChevronRightIcon className="size-5" />
+						</Button>
+						<Button
+							variant="outline"
+							className="hidden size-9 lg:flex"
+							size="icon"
+							onClick={() => table.setPageIndex(table.getPageCount() - 1)}
+							disabled={!table.getCanNextPage()}
+						>
+							<span className="sr-only">Go to last page</span>
+							<ChevronsRightIcon className="size-5" />
+						</Button>
+					</div>
+				</div>
+			</div>
+		</div>
+	)
+}
--- a/beszel/site/src/components/routes/settings/general.tsx
+++ b/beszel/site/src/components/routes/settings/general.tsx
@@ -17,16 +17,11 @@ export default function SettingsProfilePage({ userSettings }: { userSettings: Us
 	const [isLoading, setIsLoading] = useState(false)
 	const { i18n } = useLingui()

-	// Add state for alert history retention
-	const [alertHistoryRetention, setAlertHistoryRetention] = useState(userSettings.alertHistoryRetention || "3m")
-
 	async function handleSubmit(e: React.FormEvent<HTMLFormElement>) {
 		e.preventDefault()
 		setIsLoading(true)
 		const formData = new FormData(e.target as HTMLFormElement)
 		const data = Object.fromEntries(formData) as Partial<UserSettings>
-		// Add alertHistoryRetention to data
-		data.alertHistoryRetention = alertHistoryRetention
 		await saveSettings(data)
 		setIsLoading(false)
 	}
@@ -187,27 +182,6 @@ export default function SettingsProfilePage({ userSettings }: { userSettings: Us
 					</div>
 				</div>
 				<Separator />
-				<div>
-					<Label htmlFor="alertHistoryRetention">
-						<Trans>Alert History Retention</Trans>
-					</Label>
-					<Select
-						name="alertHistoryRetention"
-						value={alertHistoryRetention}
-						onValueChange={setAlertHistoryRetention}
-					>
-						<SelectTrigger className="w-64 mt-1">
-							<SelectValue />
-						</SelectTrigger>
-						<SelectContent>
-							<SelectItem value="1m">1 month</SelectItem>
-							<SelectItem value="3m">3 months</SelectItem>
-							<SelectItem value="6m">6 months</SelectItem>
-							<SelectItem value="1y">1 year</SelectItem>
-						</SelectContent>
-					</Select>
-				</div>
-				<Separator />
 				<Button type="submit" className="flex items-center gap-1.5 disabled:opacity-100" disabled={isLoading}>
 					{isLoading ? <LoaderCircleIcon className="h-4 w-4 animate-spin" /> : <SaveIcon className="h-4 w-4" />}
 					<Trans>Save Settings</Trans>
--- a/beszel/site/src/components/routes/settings/layout.tsx
+++ b/beszel/site/src/components/routes/settings/layout.tsx
@@ -66,17 +66,17 @@ export default function SettingsLayout() {
 			icon: FingerprintIcon,
 			noReadOnly: true,
 		},
+		{
+			title: t`Alert History`,
+			href: getPagePath($router, "settings", { name: "alert-history" }),
+			icon: LogsIcon,
+		},
 		{
 			title: t`YAML Config`,
 			href: getPagePath($router, "settings", { name: "config" }),
 			icon: FileSlidersIcon,
 			admin: true,
 		},
-		{
-			title: t`Alerts History`,
-			href: getPagePath($router, "settings", { name: "alerts-history" }),
-			icon: LogsIcon,
-		},
 	]

 	const page = useStore($router)
@@ -127,7 +127,7 @@ function SettingsContent({ name }: { name: string }) {
 			return <ConfigYaml />
 		case "tokens":
 			return <Fingerprints />
-		case "alerts-history":
+		case "alert-history":
 			return <AlertsHistoryDataTable />
 	}
 }
--- a/beszel/site/src/components/routes/settings/sidebar-nav.tsx
+++ b/beszel/site/src/components/routes/settings/sidebar-nav.tsx
@@ -33,7 +33,7 @@ export function SidebarNav({ className, items, ...props }: SidebarNavProps) {
 							return (
 								<SelectItem key={item.href} value={item.href}>
 									<span className="flex items-center gap-2 truncate">
-										{item.icon && <item.icon className="h-4 w-4" />}
+										{item.icon && <item.icon className="size-4" />}
 										<span className="truncate">{item.title}</span>
 									</span>
 								</SelectItem>
@@ -45,7 +45,7 @@ export function SidebarNav({ className, items, ...props }: SidebarNavProps) {
 			</div>

 			{/* Desktop View */}
-			<nav className={cn("hidden md:grid gap-1", className)} {...props}>
+			<nav className={cn("hidden md:grid gap-1 sticky top-6", className)} {...props}>
 				{items.map((item) => {
 					if ((item.admin && !isAdmin()) || (item.noReadOnly && isReadOnlyUser())) {
 						return null
@@ -60,7 +60,7 @@ export function SidebarNav({ className, items, ...props }: SidebarNavProps) {
 								page?.path === item.href ? "bg-muted hover:bg-muted" : "hover:bg-muted/50"
 							)}
 						>
-							{item.icon && <item.icon className="h-4 w-4 shrink-0" />}
+							{item.icon && <item.icon className="size-4 shrink-0" />}
 							<span className="truncate">{item.title}</span>
 						</Link>
 					)
--- a/beszel/site/src/components/routes/settings/tokens-fingerprints.tsx
+++ b/beszel/site/src/components/routes/settings/tokens-fingerprints.tsx
@@ -159,7 +159,7 @@ const SectionUniversalToken = memo(() => {
 					or on hub restart.
 				</Trans>
 			</p>
-			<div className="min-h-16 overflow-auto max-w-full inline-flex items-center gap-5 mt-3 border py-2 pl-5 pr-4 rounded-md">
+			<div className="min-h-16 overflow-auto max-w-full inline-flex items-center gap-5 mt-3 border py-2 ps-5 pe-4 rounded-md">
 				{!isLoading && (
 					<>
 						<Switch
--- a/beszel/site/src/components/systems-table/systems-table.tsx
+++ b/beszel/site/src/components/systems-table/systems-table.tsx
@@ -173,7 +173,7 @@ export default function SystemsTable() {
 				invertSorting: false,
 				Icon: ServerIcon,
 				cell: (info) => (
-					<span className="flex gap-0.5 items-center text-base md:pe-5">
+					<span className="flex gap-0.5 items-center text-base md:ps-1 md:pe-5">
 						<IndicatorDot system={info.row.original} />
 						<Button
 							data-nolink
@@ -233,7 +233,7 @@ export default function SystemsTable() {
 				header: sortableHeader,
 				cell(info: CellContext<SystemRecord, unknown>) {
 					const { info: sysInfo, status } = info.row.original
-					if (sysInfo.l1 == undefined) {
+					if (sysInfo.l1 === undefined) {
 						return null
 					}

@@ -245,13 +245,13 @@ export default function SystemsTable() {
 						const normalized = max / cpuThreads
 						if (status !== "up") return "bg-primary/30"
 						if (normalized < 0.7) return "bg-green-500"
-						if (normalized < 1.0) return "bg-yellow-500"
+						if (normalized < 1) return "bg-yellow-500"
 						return "bg-red-600"
 					}

 					return (
-						<div className="flex items-center gap-2 w-full tabular-nums tracking-tight">
-							<span className={cn("inline-block size-2 rounded-full", getDotColor())} />
+						<div className="flex items-center gap-[.35em] w-full tabular-nums tracking-tight">
+							<span className={cn("inline-block size-2 rounded-full me-0.5", getDotColor())} />
 							{loadAverages.map((la, i) => (
 								<span key={i}>{decimalString(la, la >= 10 ? 1 : 2)}</span>
 							))}
@@ -267,7 +267,7 @@ export default function SystemsTable() {
 				Icon: EthernetIcon,
 				header: sortableHeader,
 				cell(info) {
-					if (info.row.original.status !== "up") {
+					if (info.row.original.status === "paused") {
 						return null
 					}
 					const val = info.getValue() as number
--- a/beszel/site/src/components/ui/checkbox.tsx
+++ b/beszel/site/src/components/ui/checkbox.tsx
@@ -1,3 +1,5 @@
+"use client"
+
 import * as React from "react"
 import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
 import { Check } from "lucide-react"
@@ -11,13 +13,14 @@ const Checkbox = React.forwardRef<
 	<CheckboxPrimitive.Root
 		ref={ref}
 		className={cn(
-			"peer h-4 w-4 shrink-0 rounded-[.3em] border border-primary ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+			"peer size-4 flex items-center justify-center shrink-0 rounded-[.3em] border border-input ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:border-primary data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+
 			className
 		)}
 		{...props}
 	>
 		<CheckboxPrimitive.Indicator className={cn("flex items-center justify-center text-current")}>
-			<Check className="h-4 w-4" />
+			<Check className="size-4" />
 		</CheckboxPrimitive.Indicator>
 	</CheckboxPrimitive.Root>
 ))
--- a/beszel/site/src/components/ui/table.tsx
+++ b/beszel/site/src/components/ui/table.tsx
@@ -37,7 +37,7 @@ const TableRow = React.forwardRef<HTMLTableRowElement, React.HTMLAttributes<HTML
 		<tr
 			ref={ref}
 			className={cn(
-				"border-b border-border/60 hover:bg-muted/40 dark:hover:bg-muted/20 data-[state=selected]:bg-muted",
+				"border-b border-border/60 hover:bg-muted/40 dark:hover:bg-muted/20 data-[state=selected]:!bg-muted",
 				className
 			)}
 			{...props}
--- a/beszel/site/src/lib/stores.ts
+++ b/beszel/site/src/lib/stores.ts
@@ -15,9 +15,6 @@ export const $systems = atom([] as SystemRecord[])
 /** List of alert records */
 export const $alerts = atom([] as AlertRecord[])

-/** List of alerts history records */
-export const $alertsHistory = atom([] as AlertsHistoryRecord[])
-
 /** SSH public key */
 export const $publicKey = atom("")

--- a/beszel/site/src/lib/utils.ts
+++ b/beszel/site/src/lib/utils.ts
@@ -367,6 +367,7 @@ export async function updateUserSettings() {

 export const chartMargin = { top: 12 }

+/** Alert info for each alert type */
 export const alertInfo: Record<string, AlertInfo> = {
 	Status: {
 		name: () => t`Status`,
@@ -455,3 +456,42 @@ export const getHubURL = () => BESZEL?.HUB_URL || window.location.origin

 /** Map of system IDs to their corresponding tokens (used to avoid fetching in add-system dialog) */
 export const tokenMap = new Map<SystemRecord["id"], FingerprintRecord["token"]>()
+
+/** Calculate duration between two dates and format as human-readable string */
+export function formatDuration(
+	createdDate: string | null | undefined,
+	resolvedDate: string | null | undefined
+): string {
+	const created = createdDate ? new Date(createdDate) : null
+	const resolved = resolvedDate ? new Date(resolvedDate) : null
+
+	if (!created || !resolved) return ""
+
+	const diffMs = resolved.getTime() - created.getTime()
+	if (diffMs < 0) return ""
+
+	const totalSeconds = Math.floor(diffMs / 1000)
+	let hours = Math.floor(totalSeconds / 3600)
+	let minutes = Math.floor((totalSeconds % 3600) / 60)
+	let seconds = totalSeconds % 60
+
+	// if seconds are close to 60, round up to next minute
+	// if minutes are close to 60, round up to next hour
+	if (seconds >= 58) {
+		minutes += 1
+		seconds = 0
+	}
+	if (minutes >= 60) {
+		hours += 1
+		minutes = 0
+	}
+
+	// For durations over 1 hour, omit seconds for cleaner display
+	if (hours > 0) {
+		return [hours ? `${hours}h` : null, minutes ? `${minutes}m` : null].filter(Boolean).join(" ")
+	}
+
+	return [hours ? `${hours}h` : null, minutes ? `${minutes}m` : null, seconds ? `${seconds}s` : null]
+		.filter(Boolean)
+		.join(" ")
+}
--- a/beszel/site/src/types.d.ts
+++ b/beszel/site/src/types.d.ts
@@ -190,14 +190,13 @@ export interface AlertRecord extends RecordModel {
 }

 export interface AlertsHistoryRecord extends RecordModel {
-  alert: string;
-  user: string;
-  system: string;
-  name: string;
-  value: number;
-  state: "active" | "solved";
-  created_date: string;
-  solved_date?: string | null;
+	alert: string
+	user: string
+	system: string
+	name: string
+	val: number
+	created: string
+	resolved?: string | null
 }

 export type ChartTimes = "1h" | "12h" | "24h" | "1w" | "30d"
@@ -221,9 +220,6 @@ export interface UserSettings {
 	unitTemp?: Unit
 	unitNet?: Unit
 	unitDisk?: Unit
-
-	// New field for alert history retention (e.g., '1m', '3m', '6m', '1y')
-	alertHistoryRetention?: string
 }

 type ChartDataContainer = {
--- a/beszel/site/tailwind.config.js
+++ b/beszel/site/tailwind.config.js
@@ -91,6 +91,7 @@ module.exports = {
 		},
 	},
 	plugins: [
+		require("@tailwindcss/container-queries"),
 		require("tailwindcss-animate"),
 		require("tailwindcss-rtl"),
 		function ({ addVariant }) {