feat: update tag and timeline share panel copy for clarity and conciseness

style: enhance global CSS for better responsiveness of terminal chips and navigation pills

test: remove inline subscription test and add maintenance mode access code test

feat: implement media library picker dialog for selecting images from the media library

feat: add media URL controls for uploading and managing media assets

feat: add migration for music_enabled and maintenance_mode settings in site settings

feat: implement maintenance mode functionality with access control

feat: create maintenance page with access code input and error handling

chore: add TypeScript declaration for QR code module

frontend/src/pages/about/index.astro

@@ -33,7 +33,6 @@ try {
     { label: t('common.posts'), value: String(posts.length) },
     { label: t('common.tags'), value: String(tags.length) },
     { label: t('common.friends'), value: String(friendLinks.filter(friend => friend.status === 'approved').length) },
-    { label: t('common.location'), value: siteSettings.location || t('common.unknown') },
   ];
 } catch (error) {
   console.error('Failed to load about data:', error);
@@ -42,7 +41,6 @@ try {
     { label: t('common.posts'), value: '0' },
     { label: t('common.tags'), value: '0' },
     { label: t('common.friends'), value: '0' },
-    { label: t('common.location'), value: siteSettings.location || t('common.unknown') },
   ];
 }
 
@@ -57,14 +55,13 @@ const sharePanelCopy = isEnglish
         'Use this page as the canonical identity and capability profile so social sharing and AI search can cite one stable source.',
     }
     : {
-      badge: '身份主页',
-      title: '分享这张身份名片页',
-      description: '把这页当成统一的身份与能力来源分发出去，方便社交回流，也方便 AI 搜索引用到同一个规范地址。',
+      badge: '个人介绍',
+      title: '分享个人介绍',
+      description: '把这页作为个人介绍页分享，方便快速了解作者信息、技术栈和联系方式。',
     };
 const aboutHighlights = buildDiscoveryHighlights([
   siteSettings.ownerTitle,
   siteSettings.ownerBio,
-  siteSettings.location || '',
   siteSettings.techStack.slice(0, 4).join(' / '),
 ]);
 const aboutFaqs = buildPageFaqs({
@@ -154,10 +151,6 @@ const aboutJsonLd = [
             </div>
           </div>
           <div class="mt-5 flex flex-wrap gap-2">
-            <span class="terminal-stat-pill">
-              <i class="fas fa-location-dot text-[var(--primary)]"></i>
-              <span>{siteSettings.location || t('common.unknown')}</span>
-            </span>
             <span class="terminal-stat-pill">
               <i class="fas fa-layer-group text-[var(--primary)]"></i>
               <span>{t('about.techStackCount', { count: techStack.length })}</span>