* feat: auto-scroll long chat title once on load + on tap
* fix: resolve state delegate + suspension compile errors in AutoScrollingTitleText
* fix: use Int scroll offset for animateScrollTo
* fix: measure real container width for title marquee (was always Infinity)
* fix: ease the title marquee scroll (FastOutSlowInEasing + glided return)
* fix: address agy review — cancel overlapping scrolls + one-shot on-load guard + clickable on box
* fix(ui): smooth out top app bar collapse transition
Use dynamic layout padding based on scroll offset to prevent blank gap at the top of content when app bar collapses.
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Co-authored-by: M57 <hy4ri@users.noreply.github.com>