I need a Flutter application that implements robust face detection capabilities for login authentication. The app should support iOS, Android, and Web platforms. Key requirements: - Anti-spoofing detection - Passive spoofing detection - Verification (1:1 and 1:N) Ideal skills and experience: - Proficiency in Flutter development - Experience with face detection and anti-spoofing technologies - Knowledge of cross-platform app deployment - Strong background in security and authentication protocols