The full authResponse.data (containing AccessToken) and user object
were being logged via console.log → written to server.log on disk.
Replaced with a single safe log line showing only name and isAdmin.
- Show sofarr logo splash screen while app initialises
- On page load: splash stays visible while checking auth and fetching data
- After login: splash reappears while fetching initial downloads
- Minimum 1.2s display with smooth fade-out transition
- Subtle pulse animation on the logo
