Refine Links UI: Match image aesthetics with optimized box sizes

Optimize UI box heights for compactness

Improve Links UI and hide storage folder

Refine links page visual hierarchy

Fix link saving and polish link UI

Add interactive link storage section

update

Improve mobile UI and remove debug banner

Fix file options menu and starred sync behavior

Fix in-modal PDF preview rendering

Deploy HF-ready DocVault with HF storage backend

clean project (no secrets)