v2.1.0

v2.1.0

Refactor

• Split monolith into modular files (config.py, lock_screen.py, process_util.py)
• Migrate old config.json to new config files

Features

• Two lock modes: lock during period / lock outside period
• Two configurable time periods per mode (overnight support)
• Process whitelist: auto-hide lock screen when whitelisted app is foreground
• Launch whitelisted apps directly from lock screen
• Keyboard block for Win/Alt/Tab/Esc/F4/Shift/Ctrl/Delete (optional)
• Multi-monitor fullscreen lock window

Misc

• Removed outdated screenshots (lock.png, setting.png)
• Updated README to reflect actual functionality