Nav sections: independent sidebar islands and dynamic top bar#3133

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theletterf wants to merge 23 commits intonav-v2from

nav-v2-sections

Commits on Apr 16, 2026

feat(nav-v2): add section: item type for independent nav islands

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feat(nav-v2): migrate top-level labels to section: items

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feat(nav-v2): wrap all content in Docs section; add Release notes, Troubleshoot, Reference

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fix(nav-v2): compact left-aligned top bar, section root highlight, auto-expand

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feat(nav-v2): add Extension points and Account isolated sections; remove back arrow

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fix: correct import ordering in PlaceholderPageWriter

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feat(nav-v2): support absolute URLs for section tabs; add API reference

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feat(nav-v2): add island: item type for intra-section nav islands

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Commits on Apr 22, 2026