Add column legends/headers to workout, subscriptions and payments tables

Add config, model status, and VLM support

No-cache static files and tighten hidden CSS

Fix stuck schedule modal: hidden attr lost to .modal-overlay display:flex

Add EasyOCR/CUDA support and UI improvements

Sidebar UI, first/last name, chat refs, goals section, memory editor

Major feature expansion: profile, calendar, voice chat, goal coach

Add LifeOS: local-first personal assistant on Nemotron-3-Nano-4B