fix(week6): hide Files section when empty for non-admins; send richer user info for attribution

Add subtitle submissions viewing feature - new UI panel below video player

Fix authentication issues with time code editing - prevent auto-logout

FORCE REBUILD: Video seeking and subtitle syncing features

FORCE REBUILD: Week 2 subtitling interface updates - video path, simplified UI, admin time editing

FORCE REBUILD: Add debug log to trigger frontend rebuild and verify admin API fixes

FIXED: Remove /api from baseURL to prevent double /api issue

FIXED: Double /api issue in client directory (the one HF actually uses)

URGENT: Force frontend rebuild with unique build ID

URGENT: Force frontend rebuild - V3 - API prefix fix

Force frontend rebuild - V2

Fix missing /api prefix in frontend API calls

Fix double /api/ prefix issue in API calls

Fix client directory API URL and authentication - update all client files to use HF backend

Fix TypeScript errors for image support in Week 2 tutorial tasks