fix: prevent duplicate titles on Taobao login page

Keep a single native title on the entry page even when the host ignores title clearing. Preserve centered headers elsewhere and normalize manifest line endings during shared-code checks.

taobao/test/page-header.test.cjs

@@ -39,6 +39,23 @@ test('native errors cannot block page loading and rejected promises are observed
   assert.equal(loaded, 2);
 });
 
+test('native-only entry never draws its own title even when the host reports success without changing the native title', () => {
+  for (const mode of ['ignored-success', 'failure', 'missing-api']) {
+    const calls = [];
+    const platform = mode === 'missing-api' ? {} : { setNavigationBar(options) {
+      calls.push(options.title);
+      if (mode === 'ignored-success') options.success({}); else options.fail({});
+    } };
+    const p = header.page({ data: {} }, platform, { nativeTitleOnly: true });
+    p.setData = patch => Object.assign(p.data, patch);
+    assert.equal(p.data.brandHeader.showTitle, false, 'no duplicate on the first frame');
+    for (const lifecycle of ['onLoad', 'onShow', 'onReady', 'onResize', 'onHide', 'onShow']) {
+      p[lifecycle](); assert.equal(p.data.brandHeader.showTitle, false, lifecycle);
+    }
+    assert(calls.every(title => title === "1'me肌肤状态检测"), 'entry keeps the native title instead of trying to clear it');
+  }
+});
+
 test('actual header template centers on the full screen and keeps clear of status and native buttons', async () => {
   const fs = require('node:fs'), path = require('node:path'), { chromium } = require('playwright');
   const root = path.resolve(__dirname, '..');
@@ -63,7 +80,8 @@ test('actual header template centers on the full screen and keeps clear of statu
     }
     for (const route of JSON.parse(fs.readFileSync(path.join(root, 'app.json'), 'utf8')).pages) {
       const config = JSON.parse(fs.readFileSync(path.join(root, route + '.json'), 'utf8'));
-      assert.equal(config.transparentTitle, 'always'); assert.equal(config.defaultTitle, '\u200b');
+      assert.equal(config.transparentTitle, 'always');
+      assert.equal(config.defaultTitle, route === 'pages/login/login' ? header.layout().title : '\u200b');
       assert.match(fs.readFileSync(path.join(root, route + '.axml'), 'utf8'), /template is="brand-header"/);
     }
   } finally { await browser.close(); }