fix: add build step to test job before comprehensive validation

- Build MCP servers before running connectivity tests
- Ensure comprehensive validation runs with built components
- Fix CI/CD pipeline MCP server file not found errors

Author: htafolla

.github/workflows/ci-cd.yml

@@ -55,11 +55,14 @@ jobs:
       - name: Run unit tests
         run: npm run test:unit
 
-      - name: Run integration tests
-        run: npm run test:integration
+       - name: Run integration tests
+         run: npm run test:integration
 
-      - name: Run comprehensive validation
-        run: npm run test:comprehensive
+       - name: Build project
+         run: npm run build:all
+
+       - name: Run comprehensive validation
+         run: npm run test:comprehensive
 
       - name: Run security audit
         run: npm run security-audit