luci-app-openthread: add new application

applications/luci-app-openthread/Makefile

@@ -0,0 +1,18 @@
+#
+# Copyright (c) 2026 The OpenThread Authors
+#
+# This is free software, licensed under the BSD-3-Clause license.
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=LuCI Support for OpenThread Border Router
+LUCI_DEPENDS:=+luci-base +openthread-br +rpcd-mod-ucode
+LUCI_PKGARCH:=all
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_MAINTAINER:=Christian Glombek <c.glombek@cosa.systems>
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

applications/luci-app-openthread/htdocs/luci-static/resources/openthread/errors.js

@@ -0,0 +1,55 @@
+'use strict';
+'require baseclass';
+'require ui';
+
+var ERRORS = {
+	1:  'Failed',
+	2:  'Drop',
+	3:  'NoBufs',
+	4:  'NoRoute',
+	5:  'Busy',
+	6:  'Parse',
+	7:  'InvalidArgs',
+	8:  'Security',
+	9:  'AddressQuery',
+	10: 'NoAddress',
+	11: 'Abort',
+	12: 'NotImplemented',
+	13: 'InvalidState',
+	14: 'NoAck',
+	15: 'ChannelAccessFailure',
+	16: 'Detached',
+	17: 'FcsErr',
+	18: 'NoFrameReceived',
+	19: 'UnknownNeighbor',
+	20: 'InvalidSourceAddress',
+	21: 'AddressFiltered',
+	22: 'DestinationAddressFiltered',
+	23: 'NotFound',
+	24: 'Already',
+	26: 'Ipv6AddressCreationFailure',
+	27: 'NotCapable',
+	28: 'ResponseTimeout',
+	29: 'Duplicated',
+	30: 'ReassemblyTimeout',
+	31: 'NotTmf',
+	32: 'NonLowpanDataFrame',
+	33: 'DisabledFeature',
+	34: 'LinkMarginLow',
+	255: 'GenericError',
+};
+
+return baseclass.extend({
+	translate: function(code) {
+		var n = parseInt(code);
+		if (!n) return null;
+		return ERRORS[n] || 'UnknownErrorType';
+	},
+
+	notify: function(result) {
+		var msg = this.translate(result && result.error);
+		if (msg)
+			ui.addNotification(null, E('p', _('Error: %s').format(msg)), 'danger');
+		return result;
+	},
+});