Big refactoring

.gitea/workflows/deploy.yml

@@ -40,6 +40,9 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20"
       - run: pip install -e ".[dev]"
       - run: alembic upgrade head
         env:
@@ -47,6 +50,15 @@ jobs:
       - run: pytest --tb=short
         env:
           DATABASE_URL: postgresql+asyncpg://test_user:test_pass@localhost:5432/test_db
+      - run: |
+          cd frontend
+          npm ci
+          if node -e "require.resolve('vitest/package.json')" >/dev/null 2>&1; then
+            npm test
+          else
+            echo "vitest not configured; skipping frontend tests"
+          fi
+          npm run build
 
   deploy:
     needs: test
@@ -65,4 +77,8 @@ jobs:
             source .venv/bin/activate
             pip install -e .
             alembic upgrade head
+            cd frontend
+            npm ci
+            npm run build
+            cd ..
             sudo systemctl restart stock-data-backend