- Replace mock useReport() with real Supabase API data pipeline
- Add transformReport.ts to map API responses to MarketingReport type
- Add useEnrichment() hook for background channel data enrichment
- Replace Apify YouTube scraper with YouTube Data API v3
- Add mergeEnrichment() for progressive data loading
- Add EmptyState component for graceful empty data handling
- Add socialHandles to generate-report metadata
- Graceful empty data in ClinicSnapshot, YouTube, Instagram, Facebook
- Add Supabase Edge Functions and DB migrations
- Add developer handoff documentation
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>