- Remove white space at bottom of chat interface
- Prevent scroll bounce/overscroll behavior on all scroll areas
- Make scroll bar thinner and more subtle with low contrast
- Add hover effects for scroll bar visibility
- Clean up Docker container names for better display
- Improve overall scrolling experience and visual polish
- Remove automatic form submission on Enter key to prevent conflicts with IME
- Add Ctrl+Enter (Windows/Linux) and Cmd+Enter (Mac) as submission shortcuts
- Preserve native textarea behavior for line breaks with Shift+Enter
- Fix issue where Japanese/Chinese/Korean input confirmation triggered form submission
