{
  "success": {
    "headline": "✅ 分享链接已生成（{{kind}}）：{{shareUrl}}",
    "reachabilityWarning": "⚠️ 当前可达性：{{reachability}}。{{hint}}",
    "title": "标题：{{title}}",
    "expiresAt": "有效期至：{{expiresAt}}",
    "thumbnail": "缩略图：{{thumbnailUrl}}"
  },
  "error": {
    "prefix": "❌ create_share 失败：{{message}}"
  }
}
