fix: P0 SEO 修复（sitemap 动态化 / canonical / OG 图 / JSON-LD）

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- sitemap 加入全部 published 工具详情页、分类页、博客文章（双语），每小时 revalidate
- metadata.ts 新增 absoluteUrl 助手：canonical/hreflang 与 localePrefix 'as-needed' 对齐，英文页不再指向 301；x-default 修正为默认语言 en
- 生成缺失的 public/og-image.png、icon-192.png、icon-512.png
- 工具详情页、工具列表页、博客文章页补完整 metadata（canonical/hreflang/OG）
- JSON-LD 从 next/script afterInteractive 改为原生 script 标签，进入初始 HTML

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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This commit is contained in:

CoolChange.AI

2026-07-31 20:35:17 -07:00

co-authored by Claude Fable 5

parent 7fd9338f80

commit f3088e996f

9 changed files with 114 additions and 65 deletions

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