updates

agent/handlers.go

@@ -213,11 +213,14 @@ func (h *GetSystemdInfoHandler) Handle(hctx *HandlerContext) error {
 type SyncNetworkProbesHandler struct{}
 
 func (h *SyncNetworkProbesHandler) Handle(hctx *HandlerContext) error {
-	var configs []probe.Config
-	if err := cbor.Unmarshal(hctx.Request.Data, &configs); err != nil {
+	var req probe.SyncRequest
+	if err := cbor.Unmarshal(hctx.Request.Data, &req); err != nil {
 		return err
 	}
-	hctx.Agent.probeManager.SyncProbes(configs)
-	slog.Info("network probes synced", "count", len(configs))
-	return hctx.SendResponse("ok", hctx.RequestID)
+	resp, err := hctx.Agent.probeManager.ApplySync(req)
+	if err != nil {
+		return err
+	}
+	slog.Info("network probes synced", "action", req.Action)
+	return hctx.SendResponse(resp, hctx.RequestID)
 }

agent/probe.go

@@ -1,6 +1,7 @@
 package agent
 
 import (
+	"errors"
 	"fmt"
 	"math"
 	"net"
@@ -77,6 +78,14 @@ func newProbeManager() *ProbeManager {
 	}
 }
 
+func newProbeTask(config probe.Config) *probeTask {
+	return &probeTask{
+		config:  config,
+		cancel:  make(chan struct{}),
+		samples: make([]probeSample, 0, 64),
+	}
+}
+
 // newProbeAggregate initializes an aggregate with an unset minimum value.
 func newProbeAggregate() probeAggregate {
 	return probeAggregate{minMs: math.MaxFloat64}
@@ -175,18 +184,94 @@ func (pm *ProbeManager) SyncProbes(configs []probe.Config) {
 		}
 	}
 
-	// Start new probes (skip existing ones with same key)
+	// Start new probes and restart tasks whose config changed.
 	for key, cfg := range newKeys {
-		if _, exists := pm.probes[key]; exists {
+		task, exists := pm.probes[key]
+		if exists && task.config == cfg {
 			continue
 		}
-		task := &probeTask{
-			config:  cfg,
-			cancel:  make(chan struct{}),
-			samples: make([]probeSample, 0, 64),
+		if exists {
+			close(task.cancel)
 		}
+		task = newProbeTask(cfg)
 		pm.probes[key] = task
-		go pm.runProbe(task)
+		go pm.runProbe(task, true)
+	}
+}
+
+// ApplySync applies a full or incremental probe sync request.
+func (pm *ProbeManager) ApplySync(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 action")
+		}
+		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 = newProbeTask(config)
+	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, true)
+	}
+	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)
 	}
 }
 
@@ -201,28 +286,12 @@ func (pm *ProbeManager) GetResults(durationMs uint16) map[string]probe.Result {
 
 	for _, task := range pm.probes {
 		task.mu.Lock()
-		agg := task.aggregateLocked(duration, now)
-		hourAgg := task.aggregateLocked(time.Hour, now)
+		result, ok := task.resultLocked(duration, now)
 		task.mu.Unlock()
 
-		if !agg.hasData() {
+		if !ok {
 			continue
 		}
-
-		result := agg.result()
-		hourAvg := hourAgg.avgResponse()
-		hourLoss := hourAgg.lossPercentage()
-		if hourAgg.successCount > 0 {
-			result = probe.Result{
-				result[0],
-				hourAvg,
-				math.Round(hourAgg.minMs*100) / 100,
-				math.Round(hourAgg.maxMs*100) / 100,
-				hourLoss,
-			}
-		} else {
-			result = probe.Result{result[0], hourAvg, 0, 0, hourLoss}
-		}
 		results[task.config.ID] = result
 	}
 
@@ -240,26 +309,39 @@ func (pm *ProbeManager) Stop() {
 }
 
 // runProbe executes a single probe task in a loop.
-func (pm *ProbeManager) runProbe(task *probeTask) {
+func (pm *ProbeManager) runProbe(task *probeTask, runImmediately bool) {
 	interval := time.Duration(task.config.Interval) * time.Second
 	if interval < time.Second {
 		interval = 10 * time.Second
 	}
-	ticker := time.Tick(interval)
+	ticker := time.NewTicker(interval)
+	defer ticker.Stop()
 
-	// Run immediately on start
+	if runImmediately {
 		pm.executeProbe(task)
+	}
 
 	for {
 		select {
 		case <-task.cancel:
 			return
-		case <-ticker:
+		case <-ticker.C:
 			pm.executeProbe(task)
 		}
 	}
 }
 
+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)
@@ -270,6 +352,28 @@ func (task *probeTask) aggregateLocked(duration time.Duration, now time.Time) pr
 	return aggregateBucketsSince(task.buckets[:], cutoff, now)
 }
 
+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()
+	hourAvg := hourAgg.avgResponse()
+	hourLoss := hourAgg.lossPercentage()
+	if hourAgg.successCount > 0 {
+		return probe.Result{
+			result[0],
+			hourAvg,
+			math.Round(hourAgg.minMs*100) / 100,
+			math.Round(hourAgg.maxMs*100) / 100,
+			hourLoss,
+		}, true
+	}
+	return probe.Result{result[0], hourAvg, 0, 0, hourLoss}, true
+}
+
 // aggregateSamplesSince aggregates raw samples newer than the cutoff.
 func aggregateSamplesSince(samples []probeSample, cutoff time.Time) probeAggregate {
 	agg := newProbeAggregate()
@@ -374,6 +478,9 @@ func probeTCP(target string, port uint16) float64 {
 
 // probeHTTP measures HTTP GET request response. Returns -1 on failure.
 func probeHTTP(client *http.Client, url string) float64 {
+	if client == nil {
+		client = http.DefaultClient
+	}
 	start := time.Now()
 	resp, err := client.Get(url)
 	if err != nil {

agent/probe_test.go

@@ -117,8 +117,8 @@ func TestProbeConfigResultKeyUsesSyncedID(t *testing.T) {
 }
 
 func TestProbeManagerSyncProbesSkipsConfigsWithoutStableID(t *testing.T) {
-	validCfg := probe.Config{ID: "probe-1", Target: "https://example.com", Protocol: "http", Interval: 10}
-	invalidCfg := probe.Config{Target: "1.1.1.1", Protocol: "icmp", Interval: 10}
+	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})
@@ -131,8 +131,8 @@ func TestProbeManagerSyncProbesSkipsConfigsWithoutStableID(t *testing.T) {
 }
 
 func TestProbeManagerSyncProbesStopsRemovedTasksButKeepsExisting(t *testing.T) {
-	keepCfg := probe.Config{ID: "probe-1", Target: "https://example.com", Protocol: "http", Interval: 10}
-	removeCfg := probe.Config{ID: "probe-2", Target: "1.1.1.1", Protocol: "icmp", Interval: 10}
+	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{})}
@@ -162,6 +162,83 @@ func TestProbeManagerSyncProbesStopsRemovedTasksButKeepsExisting(t *testing.T) {
 	}
 }
 
+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.ApplySync(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, 5)
+	assert.GreaterOrEqual(t, resp.Result[0], 0.0)
+	assert.Equal(t, 0.0, resp.Result[4])
+
+	task := pm.probes["probe-1"]
+	require.NotNil(t, task)
+	task.mu.Lock()
+	defer task.mu.Unlock()
+	require.Len(t, task.samples, 1)
+}
+
+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.ApplySync(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 TestProbeHTTP(t *testing.T) {
 	t.Run("success", func(t *testing.T) {
 		server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {

internal/entities/probe/probe.go

@@ -1,5 +1,16 @@
 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.
@@ -10,6 +21,19 @@ type Config struct {
 	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 ms
@@ -22,3 +46,11 @@ type Config struct {
 //
 // 4: 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/hub/probes.go

@@ -15,48 +15,106 @@ func generateProbeID(systemId string, config probe.Config) string {
 	return systems.MakeStableHashId(systemId, config.Protocol, config.Target, portStr, intervalStr)
 }
 
-func bindNetworkProbesEvents(h *Hub) {
+// 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
-	h.OnRecordCreate("network_probes").BindFunc(func(e *core.RecordEvent) error {
+	hub.OnRecordCreate("network_probes").BindFunc(func(e *core.RecordEvent) error {
 		systemID := e.Record.GetString("system")
-		config := &probe.Config{
-			Target:   e.Record.GetString("target"),
-			Protocol: e.Record.GetString("protocol"),
-			Port:     uint16(e.Record.GetInt("port")),
-			Interval: uint16(e.Record.GetInt("interval")),
-		}
+		config := probeConfigFromRecord(e.Record)
 		id := generateProbeID(systemID, *config)
 		e.Record.Set("id", id)
 		return e.Next()
 	})
 
-	// sync probe to agent on creation
-	h.OnRecordAfterCreateSuccess("network_probes").BindFunc(func(e *core.RecordEvent) error {
-		systemID := e.Record.GetString("system")
-		h.syncProbesToAgent(systemID)
-		return e.Next()
+	// sync probe to agent on creation and persist the first result immediately when available
+	hub.OnRecordCreateRequest("network_probes").BindFunc(func(e *core.RecordRequestEvent) error {
+		err := e.Next()
+		if err != nil {
+			return err
+		}
+		if !e.Record.GetBool("enabled") {
+			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 nil
 	})
+
+	hub.OnRecordUpdateRequest("network_probes").BindFunc(func(e *core.RecordRequestEvent) error {
+		err := e.Next()
+		if err != nil {
+			return err
+		}
+		if e.Record.GetBool("enabled") {
+			_, err = hub.upsertNetworkProbe(e.Record, false)
+		} else {
+			err = hub.deleteNetworkProbe(e.Record)
+		}
+		if err != nil {
+			hub.Logger().Warn("failed to sync updated probe to agent", "system", e.Record.GetString("system"), "probe", e.Record.Id, "err", err)
+		}
+		return nil
+	})
+
 	// sync probe to agent on delete
-	h.OnRecordAfterDeleteSuccess("network_probes").BindFunc(func(e *core.RecordEvent) error {
-		systemID := e.Record.GetString("system")
-		h.syncProbesToAgent(systemID)
-		return e.Next()
+	hub.OnRecordDeleteRequest("network_probes").BindFunc(func(e *core.RecordRequestEvent) error {
+		err := e.Next()
+		if err != nil {
+			return err
+		}
+		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 nil
 	})
-	// TODO: if enabled changes, sync to agent
 }
 
-// syncProbesToAgent fetches enabled probes for a system and sends them to the agent.
-func (h *Hub) syncProbesToAgent(systemID string) {
+// 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) {
+	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("loss1h", result.Get(4))
+}
+
+// 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
+		return nil, err
 	}
-
-	configs := h.sm.GetProbeConfigsForSystem(systemID)
-
-	go func() {
-		if err := system.SyncNetworkProbes(configs); err != nil {
-			h.Logger().Warn("failed to sync probes to agent", "system", systemID, "err", 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/systems/system.go

@@ -371,21 +371,21 @@ func updateNetworkProbesRecords(app core.App, data map[string]probe.Result, syst
 			var record *core.Record
 			record, err = app.FindRecordById(collectionName, id)
 			if err == nil {
-				record.Set("res", probeMetric(values, 0))
-				record.Set("resAvg1h", probeMetric(values, 1))
-				record.Set("resMin1h", probeMetric(values, 2))
-				record.Set("resMax1h", probeMetric(values, 3))
-				record.Set("loss1h", probeMetric(values, 4))
+				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("loss1h", values.Get(4))
 				err = app.SaveNoValidate(record)
 			}
 		default:
 			_, err = updateQuery.Bind(dbx.Params{
 				"id":       id,
-				"res":      probeMetric(values, 0),
-				"resAvg1h": probeMetric(values, 1),
-				"resMin1h": probeMetric(values, 2),
-				"resMax1h": probeMetric(values, 3),
-				"loss1h":   probeMetric(values, 4),
+				"res":      values.Get(0),
+				"resAvg1h": values.Get(1),
+				"resMin1h": values.Get(2),
+				"resMax1h": values.Get(3),
+				"loss1h":   values.Get(4),
 				"updated":  nowString,
 			}).Execute()
 		}
@@ -397,13 +397,6 @@ func updateNetworkProbesRecords(app core.App, data map[string]probe.Result, syst
 	return nil
 }
 
-func probeMetric(values probe.Result, index int) float64 {
-	if index < len(values) {
-		return values[index]
-	}
-	return 0
-}
-
 // createContainerRecords creates container records
 func createContainerRecords(app core.App, data []*container.Stats, systemId string) error {
 	if len(data) == 0 {

internal/hub/systems/system_probes.go

@@ -10,48 +10,39 @@ import (
 
 // SyncNetworkProbes sends probe configurations to the agent.
 func (sys *System) SyncNetworkProbes(configs []probe.Config) error {
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-	var result string
-	return sys.request(ctx, common.SyncNetworkProbes, configs, &result)
+	_, err := sys.syncNetworkProbes(probe.SyncRequest{Action: probe.SyncActionReplace, Configs: configs})
+	return err
 }
 
-// FetchNetworkProbeResults fetches probe results from the agent.
-// func (sys *System) FetchNetworkProbeResults() (map[string]probe.Result, error) {
-// 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-// 	defer cancel()
-// 	var results map[string]probe.Result
-// 	err := sys.request(ctx, common.GetNetworkProbeResults, nil, &results)
-// 	return results, 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
+}
 
-// hasEnabledProbes returns true if this system has any enabled network probes.
-// func (sys *System) hasEnabledProbes() bool {
-// 	count, err := sys.manager.hub.CountRecords("network_probes",
-// 		dbx.NewExp("system = {:system} AND enabled = true", dbx.Params{"system": sys.Id}))
-// 	return err == nil && count > 0
-// }
+// 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
+}
 
-// fetchAndSaveProbeResults fetches probe results and saves them to the database.
-// func (sys *System) fetchAndSaveProbeResults() {
-// 	hub := sys.manager.hub
-
-// 	results, err := sys.FetchNetworkProbeResults()
-// 	if err != nil || len(results) == 0 {
-// 		return
-// 	}
-
-// 	collection, err := hub.FindCachedCollectionByNameOrId("network_probe_stats")
-// 	if err != nil {
-// 		return
-// 	}
-
-// 	record := core.NewRecord(collection)
-// 	record.Set("system", sys.Id)
-// 	record.Set("stats", results)
-// 	record.Set("type", "1m")
-
-// 	if err := hub.SaveNoValidate(record); err != nil {
-// 		hub.Logger().Warn("failed to save probe stats", "system", sys.Id, "err", 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/site/src/components/network-probes-table/probe-dialog.tsx

@@ -66,8 +66,10 @@ export function AddProbeDialog({ systemId }: { systemId?: string }) {
 				interval: probeInterval,
 				enabled: true,
 			})
-			if (name && name !== target) {
+			if (name) {
 				payload.name = name
+			} else if (targetName !== target) {
+				payload.name = targetName
 			}
 			await pb.collection("network_probes").create(payload)
 			resetForm()