perf(tui): batch and reuse syntax highlights - #35
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- batch adjacent Markup and HTML rows through shared Syntect preparation - seed and reuse unchanged LazyText caches during rebuilds - retain Markup caches across render-mode switches - remove the separate HTML block cache
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Summary
Markupand HTML rows through shared Syntect preparationLazyTextcaches during rebuildsMarkupcaches across render-mode switchesCPU Profile: switching between mode rapidly
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