fix: auto-repair mis-rendered sidebar on introduction page - #757
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Mintlify sometimes mis-measures its fixed sidebar while hydrating /introduction (mode: frame) and sets a negative inline top, leaving the sidebar stuck under the header until the user scrolls. Detect that state (negative top while the footer is nowhere near the viewport - negative top is legitimate when clearing the footer) and reproduce the healing scroll: 1px down, restore next frame.
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CahidArda
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July 16, 2026 11:08
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CahidArda
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Jul 24, 2026
… race) (#764) The custom docs landing (mode: frame, introduced in e7e3bec / #748) renders its body client-side, so on a hard load the page is short and the footer sits inside the viewport. Mintlify's footer-avoidance scroll handler then pins the fixed sidebar above the viewport (negative inline top) and only recomputes on a scroll event - once the body hydrates and the footer moves away, nothing re-runs it and the sidebar stays stuck showing the tail of the nav. Replaces the scroll-nudge auto-repair (ba7a78b / #757), which repaired after the wrong paint (visible snap) and silently failed exactly when the bug is born: the pre-hydration page can be too short to scroll, so its 1px scroll fired no scroll event (and the resize event it also dispatched does not trigger Mintlify's handler at all). - style.css: reserve min-height:100vh on #content for /introduction from the first paint, so the footer can never be in view while the body is empty and the bad measurement becomes impossible. Keyed on data-page-href, which is SSR'd with the real path (data-current-path SSRs as "/" and is stamped only after hydration - too late). Second selector covers local mint dev, which stamps the attribute as /src/_props/introduction. - script.js: replace the nudge machinery with a small backstop that, if a stuck state ever appears (negative top with the footer far from view), re-runs Mintlify's own listener via a synthetic window scroll event - nothing visibly moves, and it works on an unscrollable page.
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Mintlify sometimes mis-measures its fixed sidebar while hydrating /introduction (mode: frame) and sets a negative inline top, leaving the sidebar stuck under the header until the user scrolls. Detect that state (negative top while the footer is nowhere near the viewport - negative top is legitimate when clearing the footer) and reproduce the healing scroll: 1px down, restore next frame.