- Replace file system storage with MinIO object storage
- Add MinIO cache implementation with 3-level directory structure
- Support dynamic switching between MinIO and filesystem via config
- Fix metadata encoding issue for non-ASCII URLs
- Successfully tested with various image sources including Korean URLs
All image service features working:
- Image proxy and download
- 5 size variants (thumb, card, list, detail, hero)
- WebP format conversion
- Cache hit/miss detection
- Background size generation
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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