get_app_tier() classifies all apps: - core: Bitcoin, LND, Electrs, Mempool, BTCPay, DWN, FileBrowser - recommended: Fedimint, Grafana, Vaultwarden, Kuma, SearXNG, etc. - optional: everything else Tier field added to Manifest struct (data_model.rs) and exposed via WebSocket package data for frontend tier badges. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>