feat: add heartbeat ping to keep HF Space awake

fix(auth): automatically logout if profile fetch returns 404

canban

fix: restore and persist achievement notifications and fix habit recharge notification triggers

Fix Map constructor naming conflict in AchievementNotificationContext.jsx

Fix achievement and habit notification concurrency, suppress achievement alerts, and localized default name

feat: custom mixed habit intervals, unnamed habit localization, recharge notifications, and suppressed achievements notifications

feat: integrate sketchy brain logo branding and add workspace agent guidelines

fix lending

fix

fix: make light theme default on first load

init