Replaces desktop-only popover components with responsive alternatives:
- Adds drawer component for mobile view using vaul-vue
- Extracts shared templates for reusability
- Adjusts layout and height based on viewport size
- Maintains desktop popover behavior on larger screens
Improves mobile user experience while preserving desktop functionality
Improves reliability of link loading functionality:
- Adds error state and handling for failed API requests
- Implements retry mechanism with user-facing error message
- Prevents infinite loading when errors occur
- Defers search API call to mounted hook
These changes enhance user experience by providing clear feedback and recovery options when link loading fails.
