fix(ui): show the site identity footer on the welcome view only

fix(site): put lab identity into the served HTML, not just the JS bundle

feat(guide): public how-to guide + live AI model details

feat: put invite links on hold; single brand header everywhere

feat: CAML lab branding - CCR logo, ink+teal theme, favicon, attribution

refactor: enhance AdminPage overview display and improve navigation

feat: add welcome page for first-time users and update routing

Four-tier access model: self-governing admin, pre-login access, audit trail

Admin page v1: user roles (lab tier), password resets, failed-run requeue, verification queue

Sync platform from lab mainline: dev instance ready to deploy

CCR Platform: web platform for Contextualized Construct Representations