v0.4.0 - Touch ID & Advanced Security

🔒 Touch ID and Advanced Security

New Features

• Touch ID / Face ID Unlock: Biometric authentication for quick access
• Keychain Integration: Secure master password storage
• Auto-Lock Policies: Configurable timeout (1min to 1hr, or on screen lock)
• Settings View: Configure security options

macOS App Updates

• Biometric unlock button on lock screen
• Auto-trigger biometric on app launch
• Settings window (Cmd+,)
• Screen lock detection

Security

• All QA tests passed (QA-1 to QA-5)
• Path traversal protection
• File permissions 600
• Vault.db properly secured