Mobile native client via Flutter

.github/workflows/flutter-build.yml

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+name: Flutter Mobile Build
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'mobile/lib/**'
+      - 'mobile/android/**'
+      - 'mobile/ios/**'
+      - 'mobile/pubspec.yaml'
+      - '.github/workflows/flutter-build.yml'
+  pull_request:
+    paths:
+      - 'mobile/lib/**'
+      - 'mobile/android/**'
+      - 'mobile/ios/**'
+      - 'mobile/pubspec.yaml'
+      - '.github/workflows/flutter-build.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build-android:
+    name: Build Android APK
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.32.4'
+          channel: 'stable'
+          cache: true
+
+      - name: Get dependencies
+        working-directory: mobile
+        run: flutter pub get
+
+      - name: Generate app icons
+        working-directory: mobile
+        run: flutter pub run flutter_launcher_icons
+
+      - name: Analyze code
+        working-directory: mobile
+        run: flutter analyze --no-fatal-infos
+
+      - name: Run tests
+        working-directory: mobile
+        run: flutter test
+
+      - name: Decode and setup keystore
+        env:
+          KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
+          KEY_STORE_PASSWORD: ${{ secrets.KEY_STORE_PASSWORD }}
+          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+        run: |
+          echo "$KEYSTORE_BASE64" | base64 -d > mobile/android/app/upload-keystore.jks
+          echo "storePassword=$KEY_STORE_PASSWORD" >> mobile/android/key.properties
+          echo "keyPassword=$KEY_PASSWORD" >> mobile/android/key.properties
+          echo "keyAlias=$KEY_ALIAS" >> mobile/android/key.properties
+          echo "storeFile=upload-keystore.jks" >> mobile/android/key.properties
+
+      - name: Build APK (Release)
+        working-directory: mobile
+        run: flutter build apk --release
+
+      - name: Upload APK artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-release-apk
+          path: mobile/build/app/outputs/flutter-apk/app-release.apk
+          retention-days: 30
+
+      - name: Build App Bundle (Release)
+        working-directory: mobile
+        run: flutter build appbundle --release
+
+      - name: Upload AAB artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-release-aab
+          path: mobile/build/app/outputs/bundle/release/app-release.aab
+          retention-days: 30
+
+  build-ios:
+    name: Build iOS IPA
+    runs-on: macos-latest
+    timeout-minutes: 45
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.32.4'
+          channel: 'stable'
+          cache: true
+
+      - name: Get dependencies
+        working-directory: mobile
+        run: flutter pub get
+
+      - name: Generate app icons
+        working-directory: mobile
+        run: flutter pub run flutter_launcher_icons
+
+      - name: Install CocoaPods dependencies
+        working-directory: mobile/ios
+        run: pod install
+
+      - name: Analyze code
+        working-directory: mobile
+        run: flutter analyze --no-fatal-infos
+
+      - name: Run tests
+        working-directory: mobile
+        run: flutter test
+
+      - name: Build iOS (No Code Signing)
+        working-directory: mobile
+        run: flutter build ios --release --no-codesign
+
+      - name: Create IPA archive info
+        working-directory: mobile
+        run: |
+          echo "iOS build completed successfully" > build/ios-build-info.txt
+          echo "Build date: $(date)" >> build/ios-build-info.txt
+          echo "Note: This build is not code-signed and cannot be installed on physical devices" >> build/ios-build-info.txt
+          echo "For distribution, you need to configure code signing with Apple certificates" >> build/ios-build-info.txt
+
+      - name: Upload iOS build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ios-build-unsigned
+          path: |
+            mobile/build/ios/iphoneos/Runner.app
+            mobile/build/ios-build-info.txt
+          retention-days: 30

mobile/.gitignore

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+# Flutter / Dart
+.dart_tool/
+.packages
+.pub-cache/
+.pub/
+build/
+.flutter-plugins
+.flutter-plugins-dependencies
+*.iml
+.metadata
+pubspec.lock
+
+# Android
+android/.gradle/
+android/local.properties
+android/app/build/
+android/gradlew
+android/gradlew.bat
+android/key.properties
+android/app/*.keystore
+android/app/*.jks
+keystore-base64.txt
+
+# iOS
+ios/Pods/
+ios/.symlinks/
+ios/Flutter/Flutter.framework
+ios/Flutter/Flutter.podspec
+ios/Flutter/Generated.xcconfig
+ios/Runner.xcworkspace/
+ios/Podfile.lock
+
+# IDE
+.idea/
+*.iml
+.vscode/
+
+# macOS
+.DS_Store
+*/.DS_Store
+
+# Environment
+.env
+.env.*
+
+# Logs
+*.log
+
+# Miscellaneous
+_codeql_detected_source_root