libs ready i think

libs/core/di/test/di.test.ts

@@ -88,6 +88,37 @@ describe('DI Library', () => {
     expect(disposed).toBe(true);
   });
 
+  test('OperationContext - enhanced functionality', () => {
+    const container = new ServiceContainer('test');
+    const context = OperationContext.create('test-handler', 'test-operation', {
+      container,
+      metadata: { userId: '123' },
+    });
+
+    expect(context).toBeDefined();
+    expect(context.logger).toBeDefined();
+    expect(context.traceId).toBeDefined();
+    expect(context.metadata.userId).toBe('123');
+    expect(context.getExecutionTime()).toBeGreaterThanOrEqual(0);
+  });
+
+  test('OperationContext - service resolution', () => {
+    const container = new ServiceContainer('test');
+    
+    container.register({
+      name: 'testService',
+      factory: () => ({ value: 'resolved' }),
+      singleton: true,
+    });
+
+    const context = OperationContext.create('test-handler', 'test-operation', {
+      container,
+    });
+
+    const service = context.resolve<{ value: string }>('testService');
+    expect(service.value).toBe('resolved');
+  });
+
   test('ConnectionFactory - creation', () => {
     const factory = new ConnectionFactory({
       service: 'test',