feat: add AI-powered usage summary #6
Description
Implement AI-powered summaries of daily/weekly usage patterns with configurable AI options.
Details
AI Summary Feature
- Analyze current day or week data based on selected view
- Generate insights about productivity patterns, top apps/websites, time distribution
- Provide actionable recommendations
- Support both daily and weekly summary modes
AI Provider Support
- OpenAI Chat Completion API integration (https://platform.openai.com/docs/api-reference/chat/create)
- Support for GPT models (GPT-4, GPT-3.5-turbo)
- User-friendly error messages for API issues