更新压缩机制，提高前缀缓存命中率，优化UI渲染机制，提高帧数

tests/web_page/steps/v_fixture_check.json

@@ -0,0 +1 @@
+[{"action": "eval_js", "js": "(() => { const b = document.getElementById('btn-dialog'); const r = document.getElementById('login-result'); return JSON.stringify({btnExists: !!b, resultText: r ? r.textContent : 'no-result', dialogOpen: document.getElementById('my-dialog') ? document.getElementById('my-dialog').className : 'no-dialog'}); })()"}]