Open Graph image cards rendered incorrectly due to font loading race condition

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A developer discovered their automatically generated Open Graph image cards were occasionally rendering in a fallback font. The issue occurred specifically on the first render after a deployment or in a fresh container environment. The problem was a race condition where the screenshot was taken before a remotely hosted web font had fully downloaded. The fix involved forcing the browser to wait for fonts to load and later embedding the fonts directly into the template. This resolved the inconsistency and improved performance, with the updated tool now available as a public API.

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