feat(site,demo): OG share cards + demo page meta ahead of the HN post

Demo (web/standalone): retitle "KiCad Web" -> "PCBJam - KiCad demo", add
description + OG/Twitter tags (absolute URLs pinned to demo.pcbjam.com),
ship favicons (page had none), add the og-demo.png share card, and show an
"Early-access alpha" badge next to the home-page heading.

Site: add the missing og/og-home.png (BaseLayout referenced it but the
asset never existed -> og:image 404ed in prod) and set astro `site` so
canonical/OG URLs resolve absolutely (prerendered pages shipped
canonical=http://localhost:4321/ to production).

Cards are 1200x630, generated from the favicon.svg logo mark on a pure
white background.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi 2026-07-04 09:07:49 +02:00
commit e86be160a6
9 changed files with 45 additions and 5 deletions

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