- Add centralized formatWidgetDate() helper that handles both yyyy-MM-dd and ISO8601 formats - Update widget date display to show "Today", "in X days", or "X days ago" - Fix isTaskOverdue() to parse ISO8601 dates from Go API - Remove duplicate date formatting functions from widget views - Switch API environment back to DEV 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>