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Canvas doesn't wrap text — my OG image generator painted titles off the 1200px edge

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When I built an OG image generator — POST a title and description, get back a 1200x630 social-card PNG — the first render looked perfect. The second, a ~90-character title about database indexing, ran clean off the right edge and clipped mid-word. The root cause was embarrassing: Canvas's fillText() doesn't wrap. Ever. It draws one line and happily paints 3,000px of text onto a 1,200px image.

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