feat: add finding severity and validate in tests

Made-with: Cursor

Author: TryKosm

internal/scanner/scanner.go

@@ -8,13 +8,14 @@ type Resource struct {
 type Finding struct {
 	Resource string `json:"resource"`
 	Rule     string `json:"rule"`
+	Severity string `json:"severity"`
 }
 
 func Scan(resources []Resource) []Finding {
 	var findings []Finding
 	for _, r := range resources {
 		if r.Public {
-			findings = append(findings, Finding{Resource: r.Name, Rule: "no-public-resource"})
+			findings = append(findings, Finding{Resource: r.Name, Rule: "no-public-resource", Severity: "high"})
 		}
 	}
 	return findings

internal/scanner/scanner_test.go

@@ -8,4 +8,7 @@ func TestScanFindsPublicResources(t *testing.T) {
 	if len(findings) != 1 {
 		t.Fatalf("expected 1 finding, got %d", len(findings))
 	}
+	if findings[0].Severity != "high" {
+		t.Fatalf("expected high severity, got %s", findings[0].Severity)
+	}
 }