fix: enable CGO for race detector in tests

- Add CGO_ENABLED=1 to CI test step
- Add CGO_ENABLED=1 to Makefile test commands
- Fixes: go: -race requires cgo; enable cgo by setting CGO_ENABLED=1

.github/workflows/ci.yml

@@ -34,6 +34,8 @@ jobs:
         run: go mod verify
 
       - name: Run tests
+        env:
+          CGO_ENABLED: 1
         run: go test -v -race -coverprofile=coverage.out ./...
 
       - name: Upload coverage

Makefile

@@ -49,11 +49,11 @@ help:
 # Development commands
 test:
 	@echo "Running tests..."
-	$(GO) test -v -race ./...
+	CGO_ENABLED=1 $(GO) test -v -race ./...
 
 test-coverage:
 	@echo "Running tests with coverage..."
-	$(GO) test -v -race -coverprofile=coverage.out ./...
+	CGO_ENABLED=1 $(GO) test -v -race -coverprofile=coverage.out ./...
 	$(GO) tool cover -html=coverage.out -o coverage.html
 	@echo "Coverage report generated: coverage.html"