v0.2.21

What's new

• remove upper cap for scale transform
• Add inspect_timeline agent tool
• Add clip-aware AI Edit submenu to timeline clip context menu
• Add "Save Range as Media" to timeline range menu
• Mirror video track numbering and drop stored Track.label
• Render generating preview at the clip's target aspect ratio
• screenshot goes to current folder
• CLIP search (#7)
• Add v0.2.20 to appcast