fix: spread random usernames so adjacent YouTube comments stop sharing suffixes

feat: pin team-posted comments to the top of the watch page

feat: pass author and video context to predict and stop persisting on debounce

feat: sign posted comments with a random team member

feat: localise Hub Settings and ModelBanner

feat: localise the Watch flow and stop the player from auto-playing

feat: rebuild Layout with collapsible sidebar topbar toggles and Supabase link

feat: add hand-drawn SVG icon set

chore: trim transparent padding around the SignalMod logo

feat: restyle the app with a hand-drawn sketchy aesthetic

feat: add theme context with light and dark modes

feat: add i18n context with es and en dictionaries

feat: add makefile shortcuts and pnpm lockfile for faster onboarding

feat: replace youtube_hate_detector text with signalmod logo and favicon

feat: add comment composer recent activity feed and random usernames

feat: implement new models and improve UI, #23

fix: debug model selection, #22

feat: update UI using VITE+React without streamlit, #22