Sprint2 U1：Frontend Tasks 1.Upload Interface 2. Conversion Status Feedback 3.View Converted Files #217
Description
Sprint2 U1：Frontend Tasks Upload Interface:
Design a drag-and-drop/file upload component for handwritten files (e.g., images, scans) with clear format guidelines.
Conversion Status Feedback: Display real-time status (e.g., "Converting to PDF...", "Conversion Successful/Failed") after submission.
View Converted Files: Allow instructors to preview/download converted PDF/DOC files directly in the grading interface.