Initial commit: Sage Kitchen Management App v1.0.0

✨ Features implemented:
- Smart inventory tracking with Hive database
- Barcode scanning with auto-populated product info
- Multiple API fallbacks (Open Food Facts, UPCItemDB)
- Smart expiration date predictions by category
- Discord webhook notifications (persisted)
- Custom sage leaf vector icon
- Material Design 3 UI with sage green theme
- Privacy Policy & Terms of Service
- Local-first, privacy-focused architecture

🎨 UI/UX:
- Home dashboard with inventory stats
- Add Item screen with barcode integration
- Inventory list with expiration indicators
- Settings with persistent preferences
- About section with legal docs

🔧 Technical:
- Flutter 3.35.5 with Riverpod state management
- Hive 2.2.3 for local database
- Mobile scanner for barcode detection
- Feature-first architecture

🤖 Generated with Claude Code (https://claude.com/claude-code)

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

lib/features/inventory/screens/barcode_scanner_screen.dart

@@ -0,0 +1,154 @@
+import 'package:flutter/material.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+import '../../../core/constants/colors.dart';
+import 'add_item_screen.dart';
+
+class BarcodeScannerScreen extends StatefulWidget {
+  const BarcodeScannerScreen({super.key});
+
+  @override
+  State<BarcodeScannerScreen> createState() => _BarcodeScannerScreenState();
+}
+
+class _BarcodeScannerScreenState extends State<BarcodeScannerScreen> {
+  final MobileScannerController controller = MobileScannerController();
+  bool _isScanning = true;
+  String? _scannedCode;
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+  void _onBarcodeDetected(String barcode) {
+    if (!_isScanning) return;
+
+    setState(() {
+      _isScanning = false;
+      _scannedCode = barcode;
+    });
+
+    // Show success and navigate to Add Item screen
+    Future.delayed(const Duration(milliseconds: 500), () {
+      if (mounted) {
+        // Pop scanner and push Add Item screen with barcode
+        Navigator.pushReplacement(
+          context,
+          MaterialPageRoute(
+            builder: (context) => AddItemScreen(scannedBarcode: barcode),
+          ),
+        );
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Scan Barcode'),
+        backgroundColor: AppColors.primary,
+        foregroundColor: Colors.white,
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.flash_on),
+            onPressed: () => controller.toggleTorch(),
+          ),
+          IconButton(
+            icon: const Icon(Icons.cameraswitch),
+            onPressed: () => controller.switchCamera(),
+          ),
+        ],
+      ),
+      body: Stack(
+        children: [
+          MobileScanner(
+            controller: controller,
+            onDetect: (capture) {
+              final List<Barcode> barcodes = capture.barcodes;
+              if (barcodes.isNotEmpty && _isScanning) {
+                final barcode = barcodes.first.rawValue ?? '';
+                if (barcode.isNotEmpty) {
+                  _onBarcodeDetected(barcode);
+                }
+              }
+            },
+          ),
+          // Overlay with scan area guide
+          Center(
+            child: Container(
+              width: 250,
+              height: 250,
+              decoration: BoxDecoration(
+                border: Border.all(
+                  color: _scannedCode != null ? AppColors.success : AppColors.primary,
+                  width: 3,
+                ),
+                borderRadius: BorderRadius.circular(12),
+              ),
+              child: _scannedCode != null
+                  ? Container(
+                      color: AppColors.success.withOpacity(0.3),
+                      child: const Center(
+                        child: Icon(
+                          Icons.check_circle,
+                          color: Colors.white,
+                          size: 64,
+                        ),
+                      ),
+                    )
+                  : null,
+            ),
+          ),
+          // Instructions at bottom
+          Positioned(
+            bottom: 0,
+            left: 0,
+            right: 0,
+            child: Container(
+              padding: const EdgeInsets.all(24),
+              decoration: BoxDecoration(
+                color: Colors.black.withOpacity(0.7),
+                borderRadius: const BorderRadius.vertical(
+                  top: Radius.circular(20),
+                ),
+              ),
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(
+                    _scannedCode != null ? Icons.check_circle : Icons.qr_code_scanner,
+                    color: Colors.white,
+                    size: 48,
+                  ),
+                  const SizedBox(height: 16),
+                  Text(
+                    _scannedCode != null
+                        ? 'Barcode Scanned!'
+                        : 'Position the barcode inside the frame',
+                    style: const TextStyle(
+                      color: Colors.white,
+                      fontSize: 16,
+                      fontWeight: FontWeight.w500,
+                    ),
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 8),
+                  Text(
+                    _scannedCode ?? 'The barcode will be scanned automatically',
+                    style: const TextStyle(
+                      color: Colors.white70,
+                      fontSize: 14,
+                    ),
+                    textAlign: TextAlign.center,
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}