Scalable Resumable File Upload System

Scalable Resumable File Upload System

Design a robust frontend system for uploading large files (up to several gigabytes) with real-time progress tracking. The system must handle network interruptions gracefully via resumable uploads, support multiple concurrent file transfers without blocking the main UI thread, and provide a performant queue management interface. Explain your strategies for memory management, file integrity verification, and how you would handle state synchronization for a large number of concurrent tasks.
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