✨ feat(sidebar): 支持 Oracle 序列和存储包对象树

- 新增 Oracle/Dameng 序列与存储包元数据加载

- 同步对象树节点、V2 筛选、搜索、复制和拖拽支持

- 补充多语言文案和侧边栏回归测试

frontend/src/components/sidebarCoreUtils.test.ts

@@ -59,5 +59,15 @@ describe('sidebarCoreUtils', () => {
       title: 'trg_users_audit',
       dataRef: {},
     })).toBe('trg_users_audit');
+    expect(resolveSidebarObjectDragText({
+      type: 'sequence',
+      title: 'SEQ_PERSON_ID',
+      dataRef: { sequenceName: 'MYCIMLED.SEQ_PERSON_ID' },
+    })).toBe('MYCIMLED.SEQ_PERSON_ID');
+    expect(resolveSidebarObjectDragText({
+      type: 'package',
+      title: 'PKG_PERSON',
+      dataRef: { packageName: 'MYCIMLED.PKG_PERSON' },
+    })).toBe('MYCIMLED.PKG_PERSON');
   });
 });