Video Downloader v1.0.0

Initial stable release of Video Downloader.

Features:

• Download videos in MP4 (up to 4K)
• Download audio in MP3 (128–320 kbps)
• Real-time progress bar
• Cancel download support
• Safe window close handling
• Windows-safe filenames
• Playlist downloads disabled by design

This release represents a stable, production-ready version suitable for daily use and portfolio demonstration.