demo_robot/ — the scripted robot vacuum (docs/VACUUM.md, "demo stand gets a scripted synthetic robot"). Deployed by copying the folder to custom_components/demo_robot in both stand seeds and adding demo_robot: to configuration.yaml; the dev stand picks it up automatically from this path (/opt/hp/bin/hp-update-dev.sh). The rest of the stand-only config (template LQI sensors, alarm helpers, the smoke automation) lives in the seeds on the stand host — see docs/TESTING-DEMO.md and the memory note houseplan-demo-stand.
demo_guard/ — stand-only guard (2026-07-31). Visitors log in as an administrator (the card editor is gated on is_admin) and kept restarting HA from the UI, which looked like the stand crashing between hourly resets. The component re-registers homeassistant.restart/homeassistant.stop as no-ops after startup. Deployed to custom_components/demo_guard in seed-demo only (the dev stand sits behind basic auth) + demo_guard: in configuration.yaml.
www/stand-reset-timer.js — console-only countdown to the next hourly reset (hp-reset.timer, every hour at :00). Served as /local/stand-reset-timer.js from seed-demo/www/, wired through frontend: extra_module_url. Logs a styled console.info every minute, switching to console.warn for the last 5 minutes. www/stand-dev-info.js is the dev-stand counterpart: a single console.info saying the dev stand only resets on deploy.