- Deleted `analytics.ts` and `deadline-analytics.ts` as they were no longer needed.
- Integrated `AnalyticsService` and `DeadlineAnalyticsService` directly into `HomePage` and `DailyPage`, streamlining data fetching.
- Updated components to utilize the new metrics structure, ensuring proper data flow and rendering.
- Modified `ManagerWeeklySummary`, `MetricsTab`, and `ProductivityAnalytics` to reflect a focus on the last 7 days instead of the current week.
- Enhanced `ManagerSummaryService` and `MetricsService` to calculate metrics over a sliding 7-day window, improving data relevance.
- Added a new utility function `formatDistanceToNow` for better date formatting in French.
- Updated comments and documentation to clarify changes in timeframes.
