fix: correct live demo URLs in all READMEs to point to /demo/

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Lum1104

README.es-ES.md

@@ -52,7 +52,7 @@ Understand Anything es un plugin de [Claude Code](https://docs.anthropic.com/en/
 ## ✨ Características
 
 > [!NOTE]
-> **¿Quieres probarlo directamente?** Prueba la [demo en vivo](https://lum1104.github.io/Understand-Anything/) en nuestra [página principal](https://lum1104.github.io/Understand-Anything/) — un panel interactivo donde puedes navegar, hacer zoom, buscar y explorar directamente en tu navegador.
+> **¿Quieres probarlo directamente?** Prueba la [demo en vivo](https://lum1104.github.io/Understand-Anything/demo/) en nuestra [página principal](https://lum1104.github.io/Understand-Anything/) — un panel interactivo donde puedes navegar, hacer zoom, buscar y explorar directamente en tu navegador.
 
 ### Explora el grafo estructural
 

README.ja-JP.md

@@ -53,7 +53,7 @@ Understand Anything は [Claude Code](https://docs.anthropic.com/en/docs/claude-
 ## ✨ 機能
 
 > [!NOTE]
-> **すぐに試したいですか？** [ホームページ](https://lum1104.github.io/Understand-Anything/)で[ライブデモ](https://lum1104.github.io/Understand-Anything/)をお試しください — パン、ズーム、検索、探索ができる完全インタラクティブなダッシュボードです。
+> **すぐに試したいですか？** [ホームページ](https://lum1104.github.io/Understand-Anything/)で[ライブデモ](https://lum1104.github.io/Understand-Anything/demo/)をお試しください — パン、ズーム、検索、探索ができる完全インタラクティブなダッシュボードです。
 
 ### コード構造グラフを探索
 

README.ko-KR.md

@@ -52,7 +52,7 @@ Understand Anything은 [Claude Code](https://docs.anthropic.com/en/docs/claude-c
 ## ✨ 주요 기능
 
 > [!NOTE]
-> **바로 체험해보세요!** [홈페이지](https://lum1104.github.io/Understand-Anything/)에서 [라이브 데모](https://lum1104.github.io/Understand-Anything/)를 사용해보세요 — 팬, 줌, 검색, 탐색이 가능한 완전한 인터랙티브 대시보드입니다.
+> **바로 체험해보세요!** [홈페이지](https://lum1104.github.io/Understand-Anything/)에서 [라이브 데모](https://lum1104.github.io/Understand-Anything/demo/)를 사용해보세요 — 팬, 줌, 검색, 탐색이 가능한 완전한 인터랙티브 대시보드입니다.
 
 ### 구조 그래프 탐색
 

README.md

@@ -53,7 +53,7 @@ Understand Anything is a [Claude Code](https://docs.anthropic.com/en/docs/claude
 ## ✨ Features
 
 > [!NOTE]
-> **Want to skip the reading?** Try the [live demo](https://lum1104.github.io/Understand-Anything/) in our [homepage](https://lum1104.github.io/Understand-Anything/) — a fully interactive dashboard you can pan, zoom, search, and explore right in your browser.
+> **Want to skip the reading?** Try the [live demo](https://lum1104.github.io/Understand-Anything/demo/) in our [homepage](https://lum1104.github.io/Understand-Anything/) — a fully interactive dashboard you can pan, zoom, search, and explore right in your browser.
 
 ### Explore the structural graph
 

README.tr-TR.md

@@ -53,7 +53,7 @@ Understand Anything, projenizi çok-ajan hattıyla analiz eden, her dosya, fonks
 ## ✨ Özellikler
 
 > [!NOTE]
-> **Hemen denemek ister misiniz?** [Ana sayfamızda](https://lum1104.github.io/Understand-Anything/) [canlı demoyu](https://lum1104.github.io/Understand-Anything/) deneyin — doğrudan tarayıcınızda kaydırma, yakınlaştırma, arama ve keşfetme yapabileceğiniz tam etkileşimli bir kontrol paneli.
+> **Hemen denemek ister misiniz?** [Ana sayfamızda](https://lum1104.github.io/Understand-Anything/) [canlı demoyu](https://lum1104.github.io/Understand-Anything/demo/) deneyin — doğrudan tarayıcınızda kaydırma, yakınlaştırma, arama ve keşfetme yapabileceğiniz tam etkileşimli bir kontrol paneli.
 
 ### Yapısal grafiği keşfedin
 

README.zh-CN.md

@@ -52,7 +52,7 @@ Understand Anything 是一个基于 [Claude Code](https://docs.anthropic.com/en/
 ## ✨ 核心功能
 
 > [!NOTE]
-> **想直接体验？** 在我们的[主页](https://lum1104.github.io/Understand-Anything/)试试[在线演示](https://lum1104.github.io/Understand-Anything/) — 一个可以平移、缩放、搜索和探索的全交互式仪表盘。
+> **想直接体验？** 在我们的[主页](https://lum1104.github.io/Understand-Anything/)试试[在线演示](https://lum1104.github.io/Understand-Anything/demo/) — 一个可以平移、缩放、搜索和探索的全交互式仪表盘。
 
 ### 探索代码结构图
 

README.zh-TW.md

@@ -52,7 +52,7 @@ Understand Anything 是一個基於 [Claude Code](https://docs.anthropic.com/en/
 ## ✨ 核心功能
 
 > [!NOTE]
-> **想直接體驗？** 在我們的[首頁](https://lum1104.github.io/Understand-Anything/)試試[線上演示](https://lum1104.github.io/Understand-Anything/) — 一個可以平移、縮放、搜尋和探索的全互動式儀表盤。
+> **想直接體驗？** 在我們的[首頁](https://lum1104.github.io/Understand-Anything/)試試[線上演示](https://lum1104.github.io/Understand-Anything/demo/) — 一個可以平移、縮放、搜尋和探索的全互動式儀表盤。
 
 ### 探索程式碼結構圖