Nexus Command Center is the hub of the Limecore suite — a personal life dashboard that combines five domains (Finance, Fitness, Studies, Work, Habits) into a single Life Score. Features: * Budgets, accounts, net worth, portfolio and live market data * Pulls in workouts from LimeLog and study sessions from StudyDesk * Streak-aware habit tracker * Configurable Life Profiles and goals * Weekly and yearly reviews with heatmaps Local-first with on-device storage; optional account-gated cloud sync. No Google Play Services, no Firebase — Google sign-in is a plain web OAuth flow. Third-party market data and an optional AI feature are user-initiated HTTPS calls. Market data sources: Finnhub, CoinGecko, Yahoo Finance, the ECB, CNN Business (production.dataviz.cnn.io) for the Fear & Greed index, and ExchangeRate-API (open.er-api.com) for currency rates. Available in English, Finnish, French, German, Spanish, Chinese, Hindi, Portuguese, Indonesian and Arabic.