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/core/constants/app_icon.dart

@@ -0,0 +1,77 @@
+import 'package:flutter/material.dart';
+
+/// Sage leaf icon widget for use in the app
+class SageLeafIcon extends StatelessWidget {
+  final double size;
+  final Color? color;
+
+  const SageLeafIcon({
+    super.key,
+    this.size = 24,
+    this.color,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return CustomPaint(
+      size: Size(size, size),
+      painter: SageLeafPainter(color: color ?? const Color(0xFF4CAF50)),
+    );
+  }
+}
+
+class SageLeafPainter extends CustomPainter {
+  final Color color;
+
+  SageLeafPainter({required this.color});
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final paint = Paint()
+      ..color = color
+      ..style = PaintingStyle.fill;
+
+    final path = Path();
+
+    // Create a simple sage leaf shape
+    final centerX = size.width / 2;
+    final centerY = size.height / 2;
+
+    // Leaf outline
+    path.moveTo(centerX, size.height * 0.1);
+    path.quadraticBezierTo(
+      size.width * 0.8, size.height * 0.3,
+      size.width * 0.85, centerY,
+    );
+    path.quadraticBezierTo(
+      size.width * 0.8, size.height * 0.7,
+      centerX, size.height * 0.9,
+    );
+    path.quadraticBezierTo(
+      size.width * 0.2, size.height * 0.7,
+      size.width * 0.15, centerY,
+    );
+    path.quadraticBezierTo(
+      size.width * 0.2, size.height * 0.3,
+      centerX, size.height * 0.1,
+    );
+    path.close();
+
+    canvas.drawPath(path, paint);
+
+    // Draw leaf vein
+    final veinPaint = Paint()
+      ..color = color.withOpacity(0.6)
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = size.width * 0.02;
+
+    final veinPath = Path();
+    veinPath.moveTo(centerX, size.height * 0.1);
+    veinPath.lineTo(centerX, size.height * 0.9);
+
+    canvas.drawPath(veinPath, veinPaint);
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
+}