diff --git a/.forgejo/workflows b/.forgejo/workflows
deleted file mode 120000
index df1658a..0000000
--- a/.forgejo/workflows
+++ /dev/null
@@ -1 +0,0 @@
-../tools/ci
\ No newline at end of file
diff --git a/.forgejo/workflows/ci-backend.yml b/.forgejo/workflows/ci-backend.yml
new file mode 100644
index 0000000..59387fc
--- /dev/null
+++ b/.forgejo/workflows/ci-backend.yml
@@ -0,0 +1,127 @@
+name: Backend CI
+
+on:
+  push:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards_backend/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_common_backend/**'
+  pull_request:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards_backend/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_common_backend/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    container: dart:stable
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Dart SDK
+      uses: dart-lang/setup-dart@v1
+      with:
+        sdk: stable
+
+    - name: Cache pub dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards_backend/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_common_backend/.dart_tool
+        key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-pub-
+
+    - name: Install common dependencies
+      run: |
+        cd mnemo_cards_common
+        dart pub get
+
+    - name: Install common backend dependencies
+      run: |
+        cd mnemo_cards_common_backend
+        dart pub get
+
+    - name: Install backend dependencies
+      run: |
+        cd mnemo_cards_backend
+        dart pub get
+
+    - name: Run code generation
+      run: |
+        cd mnemo_cards_backend
+        dart run build_runner build --delete-conflicting-outputs
+
+    - name: Run linting
+      run: |
+        cd mnemo_cards_backend
+        dart analyze lib/
+        dart format --set-exit-if-changed lib/
+
+    - name: Run tests
+      run: |
+        cd mnemo_cards_backend
+        dart test --coverage=coverage
+        dart pub global activate coverage
+        dart pub global run coverage:format_coverage --lcov --in=coverage --out=coverage/lcov.info --packages=.dart_tool/package_config.json
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./mnemo_cards_backend/coverage/lcov.info
+        flags: backend
+        name: backend-coverage
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    container: dart:stable
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Dart SDK
+      uses: dart-lang/setup-dart@v1
+      with:
+        sdk: stable
+
+    - name: Cache pub dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards_backend/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_common_backend/.dart_tool
+        key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-pub-
+
+    - name: Install dependencies
+      run: |
+        cd mnemo_cards_common
+        dart pub get
+        cd ../mnemo_cards_common_backend
+        dart pub get
+        cd ../mnemo_cards_backend
+        dart pub get
+
+    - name: Build backend executable
+      run: |
+        cd mnemo_cards_backend
+        dart compile exe lib/main.dart -o server.exe
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: backend-binary
+        path: mnemo_cards_backend/server.exe
diff --git a/.forgejo/workflows/ci-main.yml b/.forgejo/workflows/ci-main.yml
new file mode 100644
index 0000000..b4142e5
--- /dev/null
+++ b/.forgejo/workflows/ci-main.yml
@@ -0,0 +1,29 @@
+name: Main CI Pipeline
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+  workflow_dispatch:
+
+jobs:
+  code-quality:
+    uses: ./code-quality.yml
+
+  backend-ci:
+    needs: code-quality
+    uses: ./ci-backend.yml
+
+  web-ci:
+    needs: code-quality
+    uses: ./ci-web.yml
+
+  mobile-ci:
+    needs: code-quality
+    uses: ./ci-mobile.yml
+
+  deploy:
+    needs: [backend-ci, web-ci, mobile-ci]
+    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
+    uses: ./cd-deploy.yml
diff --git a/.forgejo/workflows/ci-mobile.yml b/.forgejo/workflows/ci-mobile.yml
new file mode 100644
index 0000000..389d38c
--- /dev/null
+++ b/.forgejo/workflows/ci-mobile.yml
@@ -0,0 +1,216 @@
+name: Mobile App CI
+
+on:
+  push:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_frontend_common/**'
+      - 'chat/mnemo_cards_chat/**'
+      - 'games/packages/**'
+      - 'funny_letters/**'
+  pull_request:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_frontend_common/**'
+      - 'chat/mnemo_cards_chat/**'
+      - 'games/packages/**'
+      - 'funny_letters/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: '17'
+
+    - name: Cache Flutter dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_frontend_common/.dart_tool
+          chat/mnemo_cards_chat/.dart_tool
+          funny_letters/.dart_tool
+        key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-flutter-
+
+    - name: Install common dependencies
+      run: |
+        cd mnemo_cards_common
+        flutter pub get
+
+    - name: Install frontend common dependencies
+      run: |
+        cd mnemo_cards_frontend_common
+        flutter pub get
+
+    - name: Install chat dependencies
+      run: |
+        cd chat/mnemo_cards_chat
+        flutter pub get
+
+    - name: Install funny letters dependencies
+      run: |
+        cd funny_letters
+        flutter pub get
+
+    - name: Install mobile app dependencies
+      run: |
+        cd mnemo_cards
+        flutter pub get
+
+    - name: Run code generation
+      run: |
+        cd mnemo_cards
+        flutter pub run build_runner build --delete-conflicting-outputs
+
+    - name: Run linting
+      run: |
+        cd mnemo_cards
+        flutter analyze lib/
+        flutter format --set-exit-if-changed lib/
+
+    - name: Run tests
+      run: |
+        cd mnemo_cards
+        flutter test --coverage
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./mnemo_cards/coverage/lcov.info
+        flags: mobile
+        name: mobile-coverage
+
+  build-android:
+    needs: test
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: '17'
+
+    - name: Setup Android SDK
+      uses: android-actions/setup-android@v3
+
+    - name: Cache Flutter dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_frontend_common/.dart_tool
+          chat/mnemo_cards_chat/.dart_tool
+          funny_letters/.dart_tool
+        key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-flutter-
+
+    - name: Install dependencies
+      run: |
+        cd mnemo_cards_common
+        flutter pub get
+        cd ../mnemo_cards_frontend_common
+        flutter pub get
+        cd ../chat/mnemo_cards_chat
+        flutter pub get
+        cd ../funny_letters
+        flutter pub get
+        cd ../mnemo_cards
+        flutter pub get
+
+    - name: Build Android APK
+      run: |
+        cd mnemo_cards
+        flutter build apk --release
+
+    - name: Upload Android APK
+      uses: actions/upload-artifact@v4
+      with:
+        name: android-apk
+        path: mnemo_cards/build/app/outputs/flutter-apk/app-release.apk
+
+  build-ios:
+    needs: test
+    runs-on: macos-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Cache Flutter dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_frontend_common/.dart_tool
+          chat/mnemo_cards_chat/.dart_tool
+          funny_letters/.dart_tool
+        key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-flutter-
+
+    - name: Install dependencies
+      run: |
+        cd mnemo_cards_common
+        flutter pub get
+        cd ../mnemo_cards_frontend_common
+        flutter pub get
+        cd ../chat/mnemo_cards_chat
+        flutter pub get
+        cd ../funny_letters
+        flutter pub get
+        cd ../mnemo_cards
+        flutter pub get
+
+    - name: Build iOS
+      run: |
+        cd mnemo_cards
+        flutter build ios --release --no-codesign
+
+    - name: Upload iOS build
+      uses: actions/upload-artifact@v4
+      with:
+        name: ios-build
+        path: mnemo_cards/build/ios/iphoneos/
diff --git a/.forgejo/workflows/ci-web.yml b/.forgejo/workflows/ci-web.yml
new file mode 100644
index 0000000..4654e66
--- /dev/null
+++ b/.forgejo/workflows/ci-web.yml
@@ -0,0 +1,138 @@
+name: Web App CI
+
+on:
+  push:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards_web_v2/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_frontend_common/**'
+      - 'chat/mnemo_cards_chat/**'
+      - 'games/packages/**'
+  pull_request:
+    branches: [ main, master ]
+    paths:
+      - 'mnemo_cards_web_v2/**'
+      - 'mnemo_cards_common/**'
+      - 'mnemo_cards_frontend_common/**'
+      - 'chat/mnemo_cards_chat/**'
+      - 'games/packages/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Cache Flutter dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards_web_v2/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_frontend_common/.dart_tool
+          chat/mnemo_cards_chat/.dart_tool
+        key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-flutter-
+
+    - name: Install common dependencies
+      run: |
+        cd mnemo_cards_common
+        flutter pub get
+
+    - name: Install frontend common dependencies
+      run: |
+        cd mnemo_cards_frontend_common
+        flutter pub get
+
+    - name: Install chat dependencies
+      run: |
+        cd chat/mnemo_cards_chat
+        flutter pub get
+
+    - name: Install web app dependencies
+      run: |
+        cd mnemo_cards_web_v2
+        flutter pub get
+
+    - name: Run code generation
+      run: |
+        cd mnemo_cards_web_v2
+        flutter pub run build_runner build --delete-conflicting-outputs
+
+    - name: Run linting
+      run: |
+        cd mnemo_cards_web_v2
+        flutter analyze lib/
+        flutter format --set-exit-if-changed lib/
+
+    - name: Run tests
+      run: |
+        cd mnemo_cards_web_v2
+        flutter test --coverage
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./mnemo_cards_web_v2/coverage/lcov.info
+        flags: web
+        name: web-coverage
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Cache Flutter dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          mnemo_cards_web_v2/.dart_tool
+          mnemo_cards_common/.dart_tool
+          mnemo_cards_frontend_common/.dart_tool
+          chat/mnemo_cards_chat/.dart_tool
+        key: ${{ runner.os }}-flutter-${{ hashFiles('**/pubspec.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-flutter-
+
+    - name: Install dependencies
+      run: |
+        cd mnemo_cards_common
+        flutter pub get
+        cd ../mnemo_cards_frontend_common
+        flutter pub get
+        cd ../chat/mnemo_cards_chat
+        flutter pub get
+        cd ../../mnemo_cards_web_v2
+        flutter pub get
+
+    - name: Build web app
+      run: |
+        cd mnemo_cards_web_v2
+        flutter build web --release --dart-define=API_BASE_URL=https://1592725-cf88967.twc1.net:8081
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: web-build
+        path: mnemo_cards_web_v2/build/web/
diff --git a/.forgejo/workflows/code-quality.yml b/.forgejo/workflows/code-quality.yml
new file mode 100644
index 0000000..b87173e
--- /dev/null
+++ b/.forgejo/workflows/code-quality.yml
@@ -0,0 +1,77 @@
+name: Code Quality
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  quality-gate:
+    runs-on: ubuntu-latest
+    container: dart:stable
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Setup Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '3.19.0'
+        channel: 'stable'
+
+    - name: Cache dependencies
+      uses: actions/cache@v4
+      with:
+        path: |
+          ~/.pub-cache
+          **/.dart_tool
+        key: ${{ runner.os }}-deps-${{ hashFiles('**/pubspec.lock') }}
+
+    - name: Quick dependency check
+      run: |
+        # Быстрая проверка наличия pubspec файлов
+        if ! find . -name "pubspec.yaml" -type f | grep -q .; then
+          echo "No pubspec.yaml files found"
+          exit 1
+        fi
+
+    - name: Check for common issues
+      run: |
+        # Проверка на наличие TODO/FIXME в коде
+        if grep -r -i "todo\|fixme\|hack" --include="*.dart" . | grep -v -E "(test|example)"; then
+          echo "⚠️  Found TODO/FIXME comments in production code"
+        fi
+
+        # Проверка на потенциальные секреты
+        if grep -r -i "password\|secret\|key\|token" --include="*.dart" --include="*.yaml" --include="*.json" . | grep -v -E "(example|test|mock|fake|pubspec)"; then
+          echo "⚠️  Potential secrets found in code"
+          echo "Please review and ensure no real secrets are committed"
+        else
+          echo "✅ No obvious secrets found"
+        fi
+
+    - name: Quality gate check
+      run: |
+        # Проверка что основные проекты существуют
+        projects=("mnemo_cards_backend" "mnemo_cards_web_v2" "mnemo_cards")
+        for project in "${projects[@]}"; do
+          if [ ! -d "$project" ]; then
+            echo "❌ Project $project not found"
+            exit 1
+          fi
+        done
+
+        # Проверка что нет критических ошибок в логах
+        if [ -f ".github/workflows/code-quality.log" ]; then
+          if grep -i "error\|failed\|exception" .github/workflows/code-quality.log; then
+            echo "❌ Found critical errors in quality check"
+            exit 1
+          fi
+        fi
+
+        echo "✅ Quality gate passed"
+
diff --git a/.forgejo/workflows/deploy.yaml b/.forgejo/workflows/deploy.yaml
new file mode 100644
index 0000000..81ddc2a
--- /dev/null
+++ b/.forgejo/workflows/deploy.yaml
@@ -0,0 +1,80 @@
+name: Deploy Mnemo Cards
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy-backend:
+    name: Deploy Backend
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
+
+      - name: Sync Source Code
+        run: |
+          # Sync common packages
+          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'doc' \
+            mnemo_cards_common \
+            mnemo_cards_common_backend \
+            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/
+
+          # Sync backend project
+          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'server.exe' \
+            mnemo_cards_backend \
+            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/
+
+          # Sync build script
+          rsync -avz tools/deploy/backend/server_build.sh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/mnemo_cards_backend/
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "chmod +x ~/mnemo_cards_backend/server_build.sh"
+
+      - name: Trigger Remote Build
+        run: |
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "~/mnemo_cards_backend/server_build.sh"
+
+  deploy-web:
+    name: Deploy Web App
+    runs-on: ubuntu-latest
+    needs: deploy-backend
+    if: always() # Run even if backend fails (optional, but usually good to separate)
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.19.2' # Adjust version as needed
+          channel: 'stable'
+
+      - name: Setup SSH
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
+
+      - name: Build Web App
+        run: |
+          cd mnemo_cards_web_v2
+          flutter pub get
+          flutter build web --release --dart-define=API_BASE_URL=https://api.memo-cards.online:8444 --dart2js-optimization=O4
+
+      - name: Deploy Web App
+        run: |
+          # Sync build artifacts
+          rsync -avz --delete build/web/ ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/var/www/mnemo_cards/
+
+      - name: Fix Permissions
+        run: |
+          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "chown -R www-data:www-data /var/www/mnemo_cards && chmod -R 755 /var/www/mnemo_cards"