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https://github.com/Matysh/houseplan-card
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Matysh
df65d25348
The ±4 bound from v1.50.2 measured view_box[2:4] and room w/h with the same ruler as coordinates, so zero and negative sizes still passed the schema — and viewBox='0 0 0 0' draws nothing on every client, with the static card computing aspect-ratio: 0 / 0 on top. _EXTENT now requires strictly positive sizes with a floor of one thousandth of the canvas (1 render unit — far below any real room, keeps the maths finite); coordinates stay allowed to be negative, a crop origin legitimately sits past the edge. Defensive layer for stores that already hold a broken viewport: spaceModels falls back to the whole canvas — both cards render from that model, so both get the fallback — and a legacy rectangle with a negative size reads as the same rectangle drawn from the other corner. Also: the room settings button is the bottom row of the room card, and the room name renders in the same spot in view and plan modes (owner's request, committed earlier on dev).
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).