File list sorting by name, status, and size

[nitrobass24]

Summary

Add sortable columns to the file list dashboard. Users should be able to sort by name, status, and size with ascending/descending toggle and persistent preference.

Current State

The file list has no sorting — files appear in the order the backend provides them.

Implementation

• Add sort controls (clickable column headers or dropdown)
• Sort options: Name, Status, Size
• Toggle ascending/descending
• Persist sort preference across sessions (localStorage)
• Sort should work client-side on the existing file list

Acceptance Criteria

• Sort by name (alphabetical)
• Sort by status (using status priority order)
• Sort by size (numeric)
• Ascending/descending toggle
• Sort preference persists across page reloads
• Tests updated