- Added formatQuotaSize() function to display ∞ for unlimited (0) quota
- Added format_quota_size() Rust function matching JavaScript behavior
- Updated quota defaulting logic from '||' to '== null' check
- This allows 0 (unlimited) to pass through while defaulting to 10 GB
only when the value is null/undefined
- Call sites now use dedicated formatQuotaSize() or format_quota_size()
instead of options parameter for cleaner API