* 🎨 style: Adjust isSelected svg layout of ModelSpecItem
* style: fix modelSpec URL image beeing off-center; style: selected svg centered vertically
* style: Update CustomMenu component to use rounded-lg and enhance focus styles
* style: SidePanel top padding same as NewChat
* fix: prevent unnecessary space rendering in SplitText component
* style: Fix class names and enhance layout in Badge components
* feat: disable temporary chat when in chat
* style: handle > 1 lines in title Landing
* feat: enhance dynamic margin calculation based on line count and content height in Landing component