mirror of
https://github.com/Matysh/houseplan-card
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The accent line vanished on same-hue fills. Blend modes (difference/ exclusion) all keep a blind luminance where the stroke disappears and composite expensively on old kiosk WebViews, so the trail now uses the cartographers' trick instead: a neutral dark halo under a light core — one of the two always contrasts with whatever is underneath. Verified over glow fill (dark rooms + light pools) in one screenshot.
Synthetic demo home
A fully fictional house (plans, devices, states) used for README screenshots, the demo GIF and headless smoke tests — so no real home data ever appears in public materials.
srv/demo.html— self-contained host page:<ha-icon>/<ha-card>stubs and a fakehass(registries, states,callWS,callService, floors).srv/assets/— generated plan SVGs andicons.js(node demo/gen_icons.mjs, needs the repo's devDependencies). The card bundle is copied fromdist/:cp dist/houseplan-card.js demo/srv/assets/.serve.mjs— playwright launcher (route interception, no web server).smoke_*.mjs— feature smoke tests; run with a Chromium installed viaPLAYWRIGHT_BROWSERS_PATH=<dir> npx playwright install chromium-headless-shell.
Note for sandboxed sessions: /tmp does not survive; this directory is the
persistent home of the harness (docs/DEVELOPMENT.md has the LD_LIBRARY_PATH recipe).