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

package.json

@@ -18,6 +18,7 @@
     "@supabase/ssr": "^0.5.2",
     "@supabase/supabase-js": "^2.47.10",
     "@tanstack/react-query": "^5.62.7",
+    "@xenova/transformers": "^2.17.2",
     "ai": "^5.0.116",
     "browser-image-compression": "^2.0.2",
     "canvas-confetti": "^1.9.3",