3514

Added

• Multi-Select Mode — Tap "Select" in the game library title bar to enter multi-select mode; game tiles show circle badges and a bottom toolbar tracks the selection count
• Normalize Titles Batch Action — Select multiple ROMs and tap "Normalize Titles" to preview and apply display-name cleanup (region tags, revision tags, disc markers, GoodTools brackets, trailing article fix) in one step
• ROMTitleNormalizer — Pure, testable utility shared with the forthcoming import-time normalization feature