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

src/app/admin/page.tsx

@@ -93,6 +93,12 @@ export default async function AdminPage() {
                         <p className="text-zinc-500 mt-1">API Usage Monitoring & Statistics</p>
                     </div>
                     <div className="flex gap-3">
+                        <Link
+                            href="/admin/ocr-logs"
+                            className="px-4 py-2 bg-cyan-600 hover:bg-cyan-700 text-white rounded-xl font-bold transition-colors"
+                        >
+                            OCR Logs
+                        </Link>
                         <Link
                             href="/admin/plans"
                             className="px-4 py-2 bg-purple-600 hover:bg-purple-700 text-white rounded-xl font-bold transition-colors"