SIENTIAPDE-1318

Enhance validation script and CI workflow for code quality checks

- Added support for a --fix option in validate.sh to apply Ruff auto-fixes for code formatting and linting.
- Updated quality-gate.yml to include separate steps for installing development and runtime dependencies.
- Introduced dedicated steps for code formatting checks, linting, type checking, and security analysis in the CI workflow.

.github/workflows/quality-gate.yml

@@ -57,11 +57,38 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
 
-      - name: 📦 Install Dependencies
+      - name: 📦 Install Development Dependencies
         run: |
           python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+
+      - name: 📦 Install Runtime Dependencies
+        run: |
           pip install -r ${{ steps.prepare-requirements.outputs.PROCESSED_REQUIREMENTS_FILE }}
-          pip install pytest pytest-cov pytest-asyncio
+
+      - name: 📝 Code Formatting Check (Ruff)
+        run: |
+          echo "Checking code formatting..."
+          ruff format --check scouter/ tests/
+        continue-on-error: false
+
+      - name: 🔎 Code Linting (Ruff)
+        run: |
+          echo "Running linting checks..."
+          ruff check scouter/ tests/
+        continue-on-error: false
+
+      - name: 🏷️ Type Checking (mypy)
+        run: |
+          echo "Running type checks..."
+          mypy scouter/
+        continue-on-error: true
+
+      - name: 🔒 Security Analysis (Bandit)
+        run: |
+          echo "Running security analysis..."
+          bandit -r scouter/ -ll -q
+        continue-on-error: true
 
       - name: 🧪 Run Tests with Pytest
         run: |