[x]Setup 1,200 dynamic blog metadata posts incontent/posts-metadata.json[x]Updatelib/blog.tsto support both physical MDX files and metadata-driven JSON summaries[x]Updateapp/blog/[slug]/page.tsxwith Related Articles, TOC, and dynamic content support[x]Create and execute the Route Generation Scriptsetup-all-routes.jsto create all authority, nested DSA, system-design, DevOps, and case studies pages[x]Update the dynamicapp/sitemap.tsto register all generated authority, nested, and category pages[x]Verify pages build correctly under Next.js and validate metadata/schemas