Renders branded 1200×630 OG/social card PNGs for the WAVE fleet.
Every spoke points its og:image here — one worker owns rendering.
GET /card.png?host=<h>&product=<p>&accent=<hex>&tagline=<t>
| Param | Default | Validation |
|---|---|---|
| host | wave.online | ^[a-z0-9.-]+\.wave\.online$ |
| product | WAVE | max 40 chars, HTML-escaped |
| tagline | The open protocol for live media. | max 120 chars, HTML-escaped |
| accent | 00ccf9 | 6-digit hex (invalid → default) |
content-type: image/pngcache-control: public, max-age=86400, s-maxage=86400
a WAVE product · og.wave.online