Add automatic nearby discovery and simplify device presence UI

apps/server/test/device-info.test.js

@@ -0,0 +1,37 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readDeviceInfo } from '../../web/src/deviceInfo.js';
+
+test('모델 힌트가 없거나 거절된 브라우저도 정상 연결할 수 있다', async () => {
+  assert.deepEqual(await readDeviceInfo({}), { model: '', platform: '', manufacturer: '' });
+  assert.deepEqual(
+    await readDeviceInfo({
+      userAgentData: {
+        getHighEntropyValues: async () => {
+          throw Error('withheld');
+        },
+      },
+    }),
+    {},
+  );
+});
+test('Android 모델을 구분하고 브라우저 브랜드를 제조사로 사용하지 않는다', async () => {
+  const nav = {
+    userAgentData: {
+      getHighEntropyValues: async (hints) => {
+        assert.deepEqual(hints, ['model']);
+        return { model: 'SM-S938B', platform: 'Android', brands: [{ brand: 'Chrome' }] };
+      },
+    },
+  };
+  assert.deepEqual(await readDeviceInfo(nav), {
+    model: 'SM-S938B',
+    platform: 'Android',
+    manufacturer: 'Samsung',
+  });
+  nav.userAgentData.getHighEntropyValues = async () => ({
+    model: 'Unknown phone',
+    platform: 'Android',
+  });
+  assert.equal((await readDeviceInfo(nav)).manufacturer, '');
+});