Add recipes, images, AI photo ID, barcode scanning & ingredient matching

- Fuzzy ingredient matching for bar inventory against recipes
- AI photo identification API for bottles/labels (drink + bar context)
- Barcode scanner with photo toggle for My Bar
- Barcode scan + photo ID buttons on Add Drink form
- Auto-pull product images from Open Food Facts barcode lookup
- Recipes section on drink detail pages with bar availability
- Dedicated Recipes page in sidebar navigation
- Bar item image support (schema, upload, display)
- Drink detail image upload component
- MinIO image proxy through Next.js rewrites (fixes broken image links)
- Improved category mapping (energy drinks → Mixers, not Spirits)
- Re-process saved recipe ingredients against current bar inventory

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

prisma/schema.prisma

@@ -279,6 +279,8 @@ model BarItem {
   category  BarItemCategory
   quantity  BarItemQuantity @default(FULL)
   notes     String?         @db.Text
+  barcode   String?
+  imageUrl  String?
   createdAt DateTime        @default(now())
   updatedAt DateTime        @updatedAt
 
@@ -286,6 +288,7 @@ model BarItem {
 
   @@index([userId])
   @@index([userId, category])
+  @@index([userId, barcode])
 }
 
 // ─── Recipes ────────────────────────────────────────────────────