Nikolas Syring 8d33294cc5 fix: Reset scroll state when switching between split/tabbed view
The "Back to bottom" button was incorrectly appearing after switching
from split view to tabbed view because scroll-related refs weren't
being reset when the session changed.

Added session change detection that resets:
- userScrolledAway ref
- showScrollButton state
- newMessageCount counter
- processedMessages cache

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-20 17:44:46 +01:00
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