Add diagnostics run directory

internal/core/diagnostics/artifacts_test.go

@@ -0,0 +1,22 @@
+package diagnostics
+
+import "testing"
+
+func TestArtifactNamesUseExtractionOrientedNames(t *testing.T) {
+	names := []string{
+		ArtifactInvocationMetadata,
+		ArtifactEffectiveConfig,
+		ArtifactResolvedPipeline,
+		ArtifactSourceDocument,
+		ArtifactRunManifest,
+		ArtifactRunReport,
+		ArtifactWarnings,
+		ArtifactErrorLog,
+	}
+
+	for _, name := range names {
+		if name == "" {
+			t.Fatalf("artifact name must not be empty")
+		}
+	}
+}