fixed timeout on registry fetching and fixed version comparison of sensors against registry for updates

Hub/internal/catalog/service.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"strings"
 	"sync"
+	"time"
 
 	"golang.org/x/mod/semver"
 )
@@ -55,7 +56,8 @@ func (s *Service) RefreshIndex() error {
 	indexURL := strings.TrimRight(registryURL, "/") + "/index.json"
 	var idx RegistryIndex
 	
-	resp, err := http.Get(indexURL)
+	client := &http.Client{Timeout: 10 * time.Second}
+	resp, err := client.Get(indexURL)
 	if err != nil || resp.StatusCode != http.StatusOK {
 		return fmt.Errorf("failed to fetch registry index")
 	}

Hub/internal/services/compose/service.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"strings"
 	"sync"
+	"time"
 
 	"golang.org/x/mod/semver"
 
@@ -103,7 +104,8 @@ func (s *Service) fetchStrictCatalogManifests(currentHubVersion string) ([]model
 		sensorName := strings.TrimPrefix(sensor.ID, "hw-sensor-")
 		manifestURL := fmt.Sprintf("%s/%s-v%s.json", strings.TrimRight(registryURL, "/"), sensorName, targetVersion)
 
-		mResp, fetchErr := http.Get(manifestURL)
+		client := &http.Client{Timeout: 10 * time.Second}
+		mResp, fetchErr := client.Get(manifestURL)
 		if fetchErr != nil {
 			log.Printf("[WARNING] Failed to fetch %s: %v", manifestURL, fetchErr)
 			continue
@@ -151,7 +153,8 @@ func (s *Service) FetchSpecificManifest(sensorID, targetVersion string) (*models
 		return &cached, nil
 	}
 
-	mResp, fetchErr := http.Get(manifestURL)
+	client := &http.Client{Timeout: 10 * time.Second}
+	mResp, fetchErr := client.Get(manifestURL)
 	if fetchErr != nil {
 		log.Printf("[ERROR] FetchSpecificManifest network error: %v", fetchErr)
 		return nil, fetchErr

Hub/internal/services/node/service.go

@@ -8,6 +8,9 @@ import (
 	"log"
 	"sort"
 	"fmt"
+	"strings"
+
+	"golang.org/x/mod/semver"
 
 	"github.com/honeywire/hub/internal/catalog"
 	"github.com/honeywire/hub/internal/models"
@@ -131,8 +134,17 @@ func (s *Service) GetNodeDetails(nodeID string) (*models.Node, error) {
 		for i, sensor := range node.InstalledSensors {
 			latest, err := s.catalog.GetLatestCompatibleVersion(sensor.ID, models.HubVersion)
 			if err == nil && latest != "" {
-				deployedVer := sensor.DeployedVersion
-				if deployedVer != latest {
+				deployedVer := strings.TrimSpace(sensor.DeployedVersion)
+				if !strings.HasPrefix(deployedVer, "v") && deployedVer != "" {
+					deployedVer = "v" + deployedVer
+				}
+				
+				latestVer := strings.TrimSpace(latest)
+				if !strings.HasPrefix(latestVer, "v") && latestVer != "" {
+					latestVer = "v" + latestVer
+				}
+
+				if deployedVer != "" && semver.Compare(deployedVer, latestVer) < 0 {
 					node.InstalledSensors[i].UpdateAvailable = true
 					node.HasUpdateAvailable = true
 				}