OGP

When Only the Japanese Turns to Tofu in Your Share Image — Fixing next/og CJK Fonts with Antigravity

In next/og's ImageResponse, the Japanese title renders as empty boxes while English looks fine. Here is the real cause (Satori cannot read woff2), a complete edge implementation that pulls a TrueType subset via Google Fonts css2?text=, and how to get Antigravity to fix it the first time.