Practical configuration guides and technical articles: UniFi network, Wi-Fi, cameras (Protect) and access control (Access, Identity, intercom), plus cabling and home networking. One item returns title, summary, author, tags, the full step-by-step body, headings and source links. Use when the person asks how to set up, configure or choose UniFi network, Wi-Fi, camera or door-access gear. Lean list (id, slug, url, title, summary, date; page/limit/fields/detail), or one item in full with idOrSlug. (REST: GET /api/agent/v0/articles[/{idOrSlug}])