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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[1.0.1] - 2026-04-22

Changed

Refreshed uploader UI styling
Success and error messages now render as proper icon banners
Completed-upload view replaces the filled progress bar with a success banner and subtle "Add more" link instead of a full-width button
Pause and cancel buttons in the StatusBar now have proper padding, backgrounds, and hover/focus states
Study cards gained a subtle shadow and hover state
Primary buttons gained a focus ring and refined shadow

[0.1.0] - 2025-01-25

Added

Initial release of the standalone DICOM uploader component
Secure two-phase authentication flow (HMAC → upload token exchange)
Complete DICOM file processing and validation pipeline
Resumable uploads via Tus protocol
File zipping and compression for efficient uploads
Drag-and-drop interface with progress tracking
Comprehensive error handling and state management
TypeScript support with full type definitions
Both ES modules and UMD bundle distribution
Inline CSS injection - no external stylesheets required
HMAC signer utilities for backend token exchange
Complete API documentation and integration examples
Working HTML example demonstrating full authentication flow

Security Features

HMAC-based authentication with ephemeral upload tokens
Token scope limitations and rate limiting
Secure header handling and request signing
Input validation and sanitization throughout

API Endpoints Supported

POST /auth/exchange - Token exchange (backend only)
GET /uploader/config - Upload configuration
POST /uploader/upload/init - Initialize upload session
POST /uploader/upload/start - Mark upload started
POST /uploader/upload/complete - Mark upload complete
POST /uploader/upload/error - Report upload errors
POST /uploader/upload/cancel - Cancel upload

Browser Support

Modern browsers with ES2022 support
File API and Blob support
Fetch API and async/await
CSS Grid and Flexbox

Dependencies

@uppy/core for file upload management
dicom-parser for DICOM file processing
@zip.js/zip.js for file compression
axios for HTTP requests
uuid for unique identifier generation

Development

Build System

Vite for bundling and build optimization
TypeScript for type safety
CSS injection plugin for self-contained bundles

Testing

Unit tests for HMAC signing functionality
Crypto utilities validation

License: UNLICENSED - Proprietary software