feat+rollback: job de test sur le backend dans le workflow du front pour sonar, properties de sonar dans la racine du projet

.github/workflows/frontend.yml

@@ -29,7 +29,7 @@ jobs:
       - run: npm run build
         working-directory: apps/frontend
 
-  test:  
+  test-front:  
     needs: build
     runs-on: ubuntu-latest
     steps:
@@ -39,29 +39,59 @@ jobs:
           node-version: 24
           cache: npm
           cache-dependency-path: apps/frontend/package-lock.json
-      - run: npm ci 
+      - name : Installation des dépendances (Front)
+        run: npm ci 
         working-directory: apps/frontend
-      - run: npm test --watch=false --code-coverage --coverageReporters=lcov
+      - name : Lancement des tests et génénration du rapport de couverture (Front)
+        run: npm test --watch=false --code-coverage --coverageReporters=lcov
         working-directory: apps/frontend
       - name: Upload coverage
         uses: actions/upload-artifact@v4
         with:
           name: frontend-coverage
           path: apps/frontend/coverage/frontend/lcov.info
-        
+
+  test-back:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Installe uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: apps/backend/uv.lock
+      - name: Installe l'interpréteur déclaré par .python-version
+        run: uv python install
+      - name: Synchronise les dépendances sans dévier du verrou
+        run: uv sync --all-groups --frozen
+      - name : Lancement des tests et génénration du rapport de couverture (Back)
+        run: uv run pytest --cov-fail-under=85 --cov-report=lcov
+        working-directory: apps/backend
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: backend-coverage
+          path: apps/backend/cov.info
+
   sonarqube:
-    needs: [build, test]
+    needs: [build, test-front, test-back]
     name: SonarQube
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - name: Download coverage
+      - name: Téléchargement du rapport de couverture (Front)
         uses: actions/download-artifact@v4
         with:
           name: frontend-coverage
           path: apps/frontend/coverage/frontend
+      - name: Téléchargement du rapport de couverture (Back)
+        uses: actions/download-artifact@v4
+        with:
+          name: backend-coverage
+          path: apps/backend/coverage/backend
       - name: SonarQube Scan
         uses: SonarSource/sonarqube-scan-action@v8
         env: