quoter/docs/features.md

# Quoter Features

Simple file upload/download proxy with user quotas and S3 storage.

## What Quoter Does

### 📤 File Upload
- **Multipart uploads** to S3/Storj storage
- **User quotas** (5GB default per user)
- **JWT authentication** with session management
- **MIME type detection** from file content
- **Rate limiting** to prevent abuse

### 📁 File Storage  
- **S3-compatible storage** (Storj primary, AWS fallback)
- **Redis caching** for file metadata and quotas
- **Multi-cloud support** with automatic migration

### 🌐 File Serving
- **Direct file access** via filename
- **Fast response** optimized for Vercel Edge caching
- **CORS whitelist** for secure access
- **Direct file serving** optimized for CDN caching

## 🚀 Modern Architecture

**Quoter**: Simple file upload/download + S3 storage  
**Vercel**: Smart thumbnails + optimization + global CDN

💋 **Ultra-simple**: Quoter just handles raw files. That's it.
💋 **Simplified**: Focus on what each service does best.

## Technical Stack

- **Backend**: Rust + Actix Web
- **Storage**: Redis (metadata) + S3/Storj (files)  
- **Auth**: JWT tokens
- **Tests**: 36 passing tests with full coverage

## Status

- ✅ Upload API with quotas
- ✅ Static file server
- ✅ S3 storage integration  
- ✅ JWT authentication
- ✅ Rate limiting & security
- ✅ Full test coverage
- 🚀 Production ready