6abde5a767
Windows-specific fixes: - _windows_play_weblink: uses --start-maximized + --app=URL for true fullscreen - Shows black Win32 overlay before opening/closing Chrome to mask desktop - _windows_kill_process_tree: uses taskkill /F /T to kill all Chrome child processes - _Win32Overlay class: fullscreen borderless always-on-top black window - Updated README to note Python 3.12 requirement and local data dir behavior