docs(readme): clarify session-first positioning

Author: LocNguyenHuu

README.md

@@ -5,7 +5,7 @@
 <h1 align="center">Tracexy</h1>
 
 <p align="center">
-  <strong>The AGPL-licensed public source edition of Tracexy for macOS.</strong>
+  <strong>A native, session-first Wireshark alternative for macOS.</strong>
 </p>
 
 <p align="center">
@@ -14,6 +14,10 @@
   timing, and raw packet evidence in one local-first workspace.
 </p>
 
+<p align="center">
+  <sub>The AGPL-licensed public source edition of Tracexy for macOS.</sub>
+</p>
+
 <p align="center">
   <a href="https://github.com/RockxyApp/Tracexy/actions/workflows/build.yml"><img src="https://github.com/RockxyApp/Tracexy/actions/workflows/build.yml/badge.svg" alt="Build and validation status" /></a>
   <img src="https://img.shields.io/badge/macOS-14%2B-blue" alt="macOS 14 or later" />