chore: bump adiuvAI submodule — ProjectTabBar sticky offset = heroH
Two bugs after showHeader: tab bar was sticky top-0 competing with hero (also sticky top-0); and heroH was measured once at mount, stale on cold loads. Fix: ResizeObserver tracks heroH in state, tab bar sticky offset = heroH, observer re-creates on heroH change. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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