update tutorial card

Centre menu

Simplify UI integration

Fix hybird bug, center timeline, glasses warning in intro pop-up, eye gaze warning pop-up, help page update.

feat: UI nav, onboarding, L2CS weights path + torch.load; trim dev files

MERGE EVERYTHING from feature/integration-cleaned :((((((((((((((((((((((((((((((((((((((((((((((( so tired

evaluation: channel ablation script + feature importance LOPO

Merge UI Manually (expect main)

Put all the models together (expect UI)