feat: Add Spotify-style backdrop, Cascade OCR, Smart Scan Flow & OCR Dashboard

- BottleGrid: Implement blurred backdrop effect for bottle cards
- Cascade OCR: TextDetector → RegEx → Fuzzy Match → window.ai pipeline
- Smart Scan: Native OCR for Android, Live Text fallback for iOS
- OCR Dashboard: Admin page at /admin/ocr-logs with stats and scan history
- Features: Add feature flags in src/config/features.ts
- SQL: Add ocr_logs table migration
- Services: Update analyze-bottle to use OpenRouter, add save-ocr-log

add_flavor_radar_to_tastings.sql

@@ -0,0 +1,5 @@
+-- Add flavor_profile column to tastings table
+ALTER TABLE public.tastings 
+ADD COLUMN IF NOT EXISTS flavor_profile JSONB;
+
+COMMENT ON COLUMN public.tastings.flavor_profile IS 'Stores radar chart scores for smoky, fruity, spicy, sweet, and floral (0-100).';