#988 feat(blog): separate human and AI article listings

Summary

Separates Capgo blog into team editorial posts (/blog) and articles (/articles).

• origin frontmatter (human | ai) on all 401 EN posts
• /blog — editorial team authors only (12 posts, 11 published): WcaleNieWolny, Anik Dhabal Babu, Rupert Barrow (+ Michael alias)
• /articles — everything else (389 posts); no team-author posts
• Header — Blog → /blog
• Footer — Blog → /blog; Articles → /articles
• Editorial byline (writer / reviewer / editor) from #989 on human posts only
• /blog/ai redirects to /articles
• No public “AI generated” wording anywhere

Classification rule

Script: scripts/backfill-blog-origin.mjs

Author	Listing
WcaleNieWolny, Michael (WcaleNieWolny), Anik Dhabal Babu, Rupert Barrow	/blog (origin: human)
All other authors (incl. Martin Donadieu bulk content)	/articles (origin: ai)

Re-run: bun run scripts/backfill-blog-origin.mjs

Test plan

• Merged main (#989 editorial byline)
• astro build succeeds (672 pages)
• /blog — 12 editorial posts only
• /articles — 389 articles, no team-author posts
• Footer link → /articles labeled “Articles”
• CI passes

  

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