Initial commit: add .gitignore and README

tests/unit/transaction-manager.test.ts

@@ -0,0 +1,22 @@
+import { TransactionManager } from '../../src/database/transaction-manager';
+
+describe('TransactionManager', () => {
+  describe('executeInTransaction', () => {
+    it('should commit transaction on success', async () => {
+      const result = await TransactionManager.executeInTransaction(async (_client) => {
+        // Mock transaction
+        return { success: true };
+      });
+
+      expect(result).toEqual({ success: true });
+    });
+
+    it('should rollback transaction on error', async () => {
+      await expect(
+        TransactionManager.executeInTransaction(async (_client) => {
+          throw new Error('Test error');
+        })
+      ).rejects.toThrow('Test error');
+    });
+  });
+});