Usage Insights Generator Generate a production usage insights system that records user activity events with SwiftData, computes personalized insights (streaks, most active day, top categories), and displays them in a dashboard with insight cards, period pickers, trend indicators, and optional shareable recap screens. When This Skill Activates Use this skill when the user: - Asks to "show usage statistics" or "add usage stats" - Wants "user insights" or "activity insights" - Mentions "activity summary" or "weekly summary" - Asks about a "usage dashboard" or "insights dashboard" - Wants a "week…