vikingowl
cf4981f3b2
feat: add auto-compact, settings page, and message virtualization
- Add auto-compact feature with configurable threshold (50-90%)
- Convert settings modal to full /settings page with organized sections
- Add Memory Management settings (auto-compact toggle, threshold, preserve count)
- Add inline SummarizationIndicator shown where compaction occurred
- Add VirtualMessageList with fallback for long conversation performance
- Trigger auto-compact after assistant responses when threshold reached