Add native camera and media service integrations

test/yamaha_musiccast/test.yamaha_musiccast.discovery.node.ts

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+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import { createYamahaMusiccastDiscoveryDescriptor } from '../../ts/integrations/yamaha_musiccast/index.js';
+
+tap.test('matches Yamaha MusicCast mDNS records', async () => {
+  const descriptor = createYamahaMusiccastDiscoveryDescriptor();
+  const matcher = descriptor.getMatchers()[0];
+  const result = await matcher.matches({
+    name: 'Living Room MusicCast',
+    type: '_http._tcp.local.',
+    host: 'yamaha-rx.local',
+    port: 80,
+    txt: {
+      manufacturer: 'Yamaha Corporation',
+      model: 'RX-V685',
+      system_id: '03E88CF3',
+      device_id: '4C1B86A6CBF5',
+    },
+  }, {});
+
+  expect(result.matched).toBeTrue();
+  expect(result.normalizedDeviceId).toEqual('03E88CF3');
+  expect(result.candidate?.integrationDomain).toEqual('yamaha_musiccast');
+  expect(result.candidate?.host).toEqual('yamaha-rx.local');
+});
+
+tap.test('matches manual Yamaha MusicCast entries and validates candidates', async () => {
+  const descriptor = createYamahaMusiccastDiscoveryDescriptor();
+  const matcher = descriptor.getMatchers()[2];
+  const matched = await matcher.matches({
+    host: '192.168.1.70',
+    name: 'Kitchen MusicCast',
+    model: 'WX-021',
+    systemId: 'ABCD1234',
+  }, {});
+
+  expect(matched.matched).toBeTrue();
+  expect(matched.candidate?.port).toEqual(80);
+
+  const validator = descriptor.getValidators()[0];
+  const validated = await validator.validate(matched.candidate!, {});
+  expect(validated.matched).toBeTrue();
+  expect(validated.confidence).toEqual('high');
+});
+
+tap.test('rejects unrelated mDNS records', async () => {
+  const descriptor = createYamahaMusiccastDiscoveryDescriptor();
+  const matcher = descriptor.getMatchers()[0];
+  const result = await matcher.matches({
+    name: 'Office Printer',
+    type: '_ipp._tcp.local.',
+    host: 'printer.local',
+    txt: { manufacturer: 'Brother' },
+  }, {});
+
+  expect(result.matched).toBeFalse();
+});
+
+export default tap.start();