Add manual SonarQube full scan workflow

- Manual trigger only (workflow_dispatch)
- Full pipeline: bun install, bun build, PHPUnit with coverage
- Force SonarQube to re-analyze all files (forceReloadAll)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/sonarqube.yml

@@ -0,0 +1,80 @@
+name: SonarQube Full Scan
+
+on:
+  workflow_dispatch:
+
+jobs:
+  scan:
+    runs_on: ubuntu-latest
+    services:
+      database:
+        image: postgres:16-alpine
+        env:
+          POSTGRES_USER: app
+          POSTGRES_PASSWORD: secret
+          POSTGRES_DB: e_ticket
+        options: >-
+          --health-cmd "pg_isready -U app -d e_ticket"
+          --health-interval 5s
+          --health-timeout 5s
+          --health-retries 5
+      redis:
+        image: redis:7-alpine
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 5s
+          --health-timeout 5s
+          --health-retries 5
+    env:
+      DATABASE_URL: "postgresql://app:secret@database:5432/e_ticket?serverVersion=16&charset=utf8"
+      MESSENGER_TRANSPORT_DSN: "redis://redis:6379/messages"
+      MAILER_DSN: "null://null"
+      APP_ENV: test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          extensions: intl, pdo_pgsql, zip, gd, redis, imagick
+          coverage: xdebug
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '22'
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+
+      - name: Install PHP dependencies
+        run: composer install --no-interaction --prefer-dist
+
+      - name: Install JS dependencies
+        run: bun install
+
+      - name: Build assets
+        run: bun run build
+
+      - name: Create test database
+        run: php bin/console doctrine:database:create --env=test --if-not-exists
+
+      - name: Create database schema
+        run: php bin/console doctrine:schema:create --env=test
+
+      - name: PHPUnit with coverage
+        run: vendor/bin/phpunit --coverage-clover coverage.xml
+
+      - name: SonarQube Scan
+        uses: sonarsource/sonarqube-scan-action@v5
+        with:
+          args: >
+            -Dsonar.qualitygate.wait=true
+            -Dsonar.scm.forceReloadAll=true
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          SONAR_HOST_URL: https://sn.esy-web.dev