Remove docs/superpowers/, .claude/ config, and PRD.md from version
control (kept locally via .gitignore). Update README, CHANGELOG,
VitePress docs, and .env.example to reflect recent features: Files
page, teams, admin settings, persistent storage, and various API
improvements.
Replace Loader2 spinner buttons with ProgressCard in all 13 non-AI tool
settings components that use useToolProcessor. Each now shows upload
progress, elapsed time, and processing phase during operations.
Add 4 watermark/overlay tools with API routes and frontend settings:
- watermark-text: SVG text overlay with tiling, position, opacity, rotation
- watermark-image: logo/image watermark with position, opacity, scale
- text-overlay: styled text on images with shadow and background box
- compose: layer images with position, opacity, and blend modes