diff --git a/src/__tests__/integration/store-synchronization.test.tsx b/src/__tests__/integration/store-synchronization.test.tsx
index bb77eb7..e44b558 100644
--- a/src/__tests__/integration/store-synchronization.test.tsx
+++ b/src/__tests__/integration/store-synchronization.test.tsx
@@ -170,7 +170,7 @@ describe('Store Synchronization Integration', () => {
         id: 'custom-type',
         label: 'Custom Type',
         color: '#ff0000',
-        shape: 'diamond' as const,
+        shape: 'circle' as const,
         icon: 'Star',
         description: 'A custom node type',
       };
diff --git a/src/types/index.ts b/src/types/index.ts
index a38af0b..a20c424 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -135,3 +135,6 @@ export interface GraphActions {
 export interface EditorActions {
   updateSettings: (settings: Partial<EditorSettings>) => void;
 }
+
+// Re-export workspace types
+export type { WorkspaceSettings } from '../stores/workspace/types';
diff --git a/tsconfig.json b/tsconfig.json
index 5849388..1202a5b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -24,5 +24,6 @@
     "forceConsistentCasingInFileNames": true
   },
   "include": ["src"],
+  "exclude": ["src/**/*.test.ts", "src/**/*.test.tsx", "src/__tests__", "src/test-utils"],
   "references": [{ "path": "./tsconfig.node.json" }]
 }