A WPS Office–style software download portal with a complete self-built admin CMS and an AI engine that writes and publishes Simplified-Chinese blog posts on a schedule. Built as a single, zero-dependency Node.js application: licensing, payments, SEO, branding, user management, and automated content — all from one lightweight, framework-free codebase.
I built the entire stack on Node.js core modules only — no frameworks, no npm dependencies — with a flat-file JSON data store, so it deploys to cheap shared hosting (cPanel) and starts instantly. The admin console covers packages, license-gated downloads, payments, OAuth login providers, SEO, branding, and IP-ban security. The centerpiece is an AI auto-blog: each cycle it generates six native-Chinese articles (one per WPS feature) by firing one request per API key in parallel — sidestepping free-tier rate limits and finishing a full batch in ~15 seconds. It runs DeepSeek V4 Flash (via OpenRouter) in non-thinking mode, with model fallback, retry/back-off, per-section auto-replace, live flow visualization and a built-in error-diagnostics panel. The front end is fully responsive, with SEO meta, sitemap and robots generated server-side.
