v1.3.0+4: FOSS Compliance + Dark Mode + Enhanced Settings

✨ Major Features:
- Dark mode toggle with app-wide theme switching
- Sort inventory by Expiration Date, Name, or Location
- Toggle between Grid and List view for inventory
- Export inventory data to CSV with share functionality
- Custom sage leaf app icon with adaptive icon support

🔄 FOSS Compliance (F-Droid Ready):
- Replaced Firebase with Supabase (open-source backend)
- Anonymous authentication (no user accounts required)
- Cloud-first with hosted Supabase as default
- Optional self-hosting support
- 100% FOSS-compliant dependencies

🎨 UI/UX Improvements:
- Dynamic version display from package.json (was hardcoded)
- Added edit buttons for household and user names
- Removed non-functional search button
- Replaced Recipes placeholder with Settings button
- Improved settings organization with clear sections

📦 Dependencies:
Added:
- supabase_flutter: ^2.8.4 (FOSS backend sync)
- package_info_plus: ^8.1.0 (dynamic version)
- csv: ^6.0.0 (data export)
- share_plus: ^10.1.2 (file sharing)
- image: ^4.5.4 (dev, icon generation)

Removed:
- firebase_core (replaced with Supabase)
- cloud_firestore (replaced with Supabase)

🗑️ Cleanup:
- Removed Firebase setup files and google-services.json
- Removed unimplemented features (Recipes, Search)
- Removed firebase_household_service.dart
- Removed inventory_sync_service.dart (replaced with Supabase)

📄 New Files:
- lib/features/household/services/supabase_household_service.dart
- web/privacy-policy.html (Play Store requirement)
- web/terms-of-service.html (Play Store requirement)
- PLAY_STORE_LISTING.md (marketing copy)
- tool/generate_icons.dart (icon generation script)
- assets/icon/sage_leaf.png (1024x1024)
- assets/icon/sage_leaf_foreground.png (adaptive icon)

🐛 Bug Fixes:
- Fixed version display showing hardcoded "1.0.0"
- Fixed Sort By and Default View showing static text
- Fixed ConsumerWidget build signatures
- Fixed Location.displayName import issues
- Added clearAllData method to Hive database

📊 Stats: +1,728 additions, -756 deletions across 42 files

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

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

pubspec.yaml

@@ -1,7 +1,7 @@
 name: sage
 description: "Smart Kitchen Management System"
 publish_to: 'none'
-version: 1.1.0+2
+version: 1.3.0+4
 
 environment:
   sdk: ^3.9.2
@@ -24,11 +24,13 @@ dependencies:
   # Utilities
   intl: ^0.20.0  # Date formatting
   mobile_scanner: ^5.2.3  # Barcode scanning
-  http: ^1.2.2  # HTTP requests for Discord webhooks
+  http: ^1.2.2  # HTTP requests for API calls and webhooks
+  csv: ^6.0.0  # CSV export/import
+  share_plus: ^10.1.2  # Share files
+  package_info_plus: ^8.1.0  # App version info
 
-  # Cloud Backend
-  firebase_core: ^3.8.1  # Firebase initialization
-  cloud_firestore: ^5.6.0  # Firestore database
+  # Backend - Supabase (Open Source!)
+  supabase_flutter: ^2.8.4  # Real-time sync for households
 
 dev_dependencies:
   flutter_test:
@@ -43,6 +45,7 @@ dev_dependencies:
 
   # Icon Generation
   flutter_launcher_icons: ^0.13.1
+  image: ^4.5.4
 
 flutter:
   uses-material-design: true