- Move parseAPIRequestEvents, buildResourcePerformance, parseErrorEvents, parseSlowQueryEvents from tenant_analytics_mock.go to tenant_analytics.go
- Update buildUsageByType to fetch usage statistics from repository instead of using mock data
- Add calculateResourceUsageAnalytics helper to calculate analytics from usage records
- Update buildUsageTrends to use repository data with buildUsageTrendData helper
- Update buildUsagePeaks to use repository data with buildUsagePeakData helper
- Implement GetTenantDashboard with usage stats, metrics, recent events, and quota status
- Implement GetUsageAnalytics with usage by type, trends, and peaks
- Implement GetPerformanceAnalytics with API performance, resource performance, errors, and slow queries
- Extract helper methods to tenant_analytics_mock.go: parseTimeRange, parseAPIRequestEvent, parseErrorEvent, parseSlowQueryEvent, calculateAPIPerformance, build
nutcas3