fix(versioncheck): normalize semver before comparison

pkg/versioncheck/versioncheck.go

@@ -194,7 +194,10 @@ func (v *VersionCheckHandler) CheckLatestVersion(ctx context.Context, versionDat
 	LatestReleaseVersion = latestVersion.ClientUpdate
 
 	if latestVersion.ClientUpdate != "" {
-		if BuildNumber != "" && semver.Compare(BuildNumber, LatestReleaseVersion) == -1 {
+		if BuildNumber != "" && semver.Compare(
+			normalizeVersion(BuildNumber),
+			normalizeVersion(LatestReleaseVersion),
+		) == -1 {
 			logger.L().Ctx(ctx).Warning(warningMessage(LatestReleaseVersion))
 		}
 	}
@@ -211,6 +214,13 @@ func (v *VersionCheckHandler) CheckLatestVersion(ctx context.Context, versionDat
 	return nil
 }
 
+func normalizeVersion(v string) string {
+	if v != "" && !strings.HasPrefix(v, "v") {
+		return "v" + v
+	}
+	return v
+}
+
 func (v *VersionCheckHandler) getLatestVersion(versionData *VersionCheckRequest) (*VersionCheckResponse, error) {
 
 	reqBody, err := json.Marshal(*versionData)

pkg/versioncheck/versioncheck_test.go

@@ -19,6 +19,27 @@ func TestCheckLatestVersion_Semver_Compare(t *testing.T) {
 
 }
 
+func TestNormalizeVersion(t *testing.T) {
+	assert.Equal(t, "v4.0.6", normalizeVersion("4.0.6"))
+	assert.Equal(t, "v3.0.15", normalizeVersion("v3.0.15"))
+	assert.Equal(t, "", normalizeVersion(""))
+}
+
+func TestSemverCompare_WithNormalization(t *testing.T) {
+	result := semver.Compare(
+		normalizeVersion("4.0.6"),
+		normalizeVersion("v3.0.15"),
+	)
+
+	assert.Equal(t, 1, result)
+}
+
+func TestSemverCompare_WithoutNormalization(t *testing.T) {
+	result := semver.Compare("4.0.6", "v3.0.15")
+
+	assert.Equal(t, -1, result)
+}
+
 func TestCheckLatestVersion(t *testing.T) {
 	type args struct {
 		ctx         context.Context