[MM-70130] Add permanent banner for non-production developer license keys (#37846)

* [MM-70130] Add permanent banner for non-production developer license keys

Co-authored-by: nick.misasi <nick.misasi@mattermost.com>

* [MM-70130] Update non-production license banner text

Co-authored-by: Nick Misasi <nick13misasi@gmail.com>

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>

server/channels/app/platform/license.go

@@ -412,6 +412,7 @@ func (ps *PlatformService) logLicense(message string, license *model.License) {
 		mlog.String("sku_short_name", license.SkuShortName),
 		mlog.Bool("is_trial", license.IsTrial),
 		mlog.Bool("is_gov_sku", license.IsGovSku),
+		mlog.Bool("is_non_production", license.IsNonProduction),
 	)
 
 	if license.Customer != nil {

server/channels/app/platform/support_packet.go

@@ -152,6 +152,7 @@ func (ps *PlatformService) getSupportPacketDiagnostics(rctx request.CTX) (*model
 		d.License.SkuShortName = license.SkuShortName
 		d.License.IsTrial = license.IsTrial
 		d.License.IsGovSKU = license.IsGovSku
+		d.License.IsNonProduction = license.IsNonProduction
 	}
 
 	/* Server */

server/channels/utils/license.go

@@ -264,6 +264,7 @@ func GetClientLicense(l *model.License) map[string]string {
 		props["OutgoingOAuthConnections"] = strconv.FormatBool(*l.Features.OutgoingOAuthConnections)
 		props["IsTrial"] = strconv.FormatBool(l.IsTrial)
 		props["IsGovSku"] = strconv.FormatBool(l.IsGovSku)
+		props["IsNonProduction"] = strconv.FormatBool(l.IsNonProduction)
 	}
 
 	return props

server/channels/utils/license_test.go

@@ -253,6 +253,25 @@ func TestGetLicenseFileLocation(t *testing.T) {
 	require.Equal(t, fileName, "mattermost.mattermost-license", "invalid file name")
 }
 
+func TestGetClientLicense(t *testing.T) {
+	license := &model.License{
+		Customer: &model.Customer{},
+		Features: &model.Features{},
+	}
+	license.Features.SetDefaults()
+
+	props := GetClientLicense(license)
+	require.Equal(t, "false", props["IsNonProduction"])
+
+	license.IsNonProduction = true
+	props = GetClientLicense(license)
+	require.Equal(t, "true", props["IsNonProduction"])
+
+	// The flag must survive sanitization so all users can see the non-production banner.
+	sanitized := GetSanitizedClientLicense(props)
+	require.Equal(t, "true", sanitized["IsNonProduction"])
+}
+
 func TestGetLicenseFileFromDisk(t *testing.T) {
 	t.Run("missing file", func(t *testing.T) {
 		fileBytes := GetLicenseFileFromDisk("thisfileshouldnotexist.mattermost-license")