docs: emphasize testing real devices in README subtitles

README.md

@@ -8,7 +8,7 @@
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-  <em>⚡ Drive Real Devices from Antigravity & Claude Code • Cross-App Automation • Zero-Maintenance Testing • Bug Repro & Logcat Diagnostics</em>
+  <em>⚡ Test Real Devices from Antigravity & Claude Code • Cross-App Automation • Zero-Maintenance Testing • Bug Repro & Logcat Diagnostics</em>
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README_CN.md

@@ -8,7 +8,7 @@
 </p>
 
 <p align="center">
-  <em>⚡ 让 Antigravity / Claude Code 接管真机 • 跨 App 复杂自动化 • 零脚本维护自动化测试 • 智能 Bug 复现与 Logcat 诊断</em>
+  <em>⚡ 让 Antigravity / Claude Code 测试真机 • 跨 App 复杂自动化 • 零脚本维护自动化测试 • 智能 Bug 复现与 Logcat 诊断</em>
 </p>
 
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