VideoDowngrade v0.2.4

VideoDowngrade v0.2.4 — interaction and WebView polish.

• blurred dark interface underlays soften the 24px background grid
• smooth animated reveal for uploaded video and file metadata
• refined dropdown, toast, progress, error and selected-state motion
• subtle press and transition feedback across interactive controls
• text selection and copy/cut disabled in the packaged UI
• image/video/icon drag extraction and context menu disabled
• common DevTools shortcuts blocked
• Tauri WebView DevTools disabled in the packaged window
• release build opens without a console window
• React + Tauri 2 + Rust
• bundled FFmpeg / FFprobe