Add native MQTT integration

test/mqtt/test.mqtt.discovery.node.ts

@@ -0,0 +1,17 @@
+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import { createMqttDiscoveryDescriptor } from '../../ts/integrations/mqtt/index.js';
+
+tap.test('matches Home Assistant MQTT discovery config topics', async () => {
+  const descriptor = createMqttDiscoveryDescriptor();
+  const matcher = descriptor.getMatchers()[1];
+  const result = await matcher.matches({
+    topic: 'homeassistant/sensor/kitchen/temperature/config',
+    payload: '{"name":"Kitchen temperature","state_topic":"kitchen/temperature"}',
+  }, {});
+  expect(result.matched).toBeTrue();
+  expect(result.candidate?.metadata?.component).toEqual('sensor');
+  expect(result.candidate?.metadata?.nodeId).toEqual('kitchen');
+  expect(result.normalizedDeviceId).toEqual('temperature');
+});
+
+export default tap.start();