✨ feat(iris): 新增 InterSystems IRIS 数据源支持

- 后端新增 IRIS 连接、查询、DDL、索引元数据和 DataGrid 编辑能力
- 接入 optional driver-agent、构建标签、revision 生成和变更检测流程
- 前端新增 IRIS 连接入口、方言映射、能力配置和图标展示
- 修复 IRIS 主键识别、事务开启错误处理和驱动连接关闭问题
- 补充后端、前端和构建脚本相关回归测试
Refs #408

frontend/src/utils/dataSourceCapabilities.test.ts

@@ -40,6 +40,20 @@ describe('dataSourceCapabilities', () => {
     });
   });
 
+  it('keeps InterSystems IRIS as an editable SQL datasource capability', () => {
+    expect(getDataSourceCapabilities({ type: 'iris' })).toMatchObject({
+      type: 'iris',
+      supportsQueryEditor: true,
+      supportsSqlQueryExport: true,
+      supportsCopyInsert: true,
+      forceReadOnlyQueryResult: false,
+    });
+    expect(getDataSourceCapabilities({ type: 'custom', driver: 'intersystemsiris' })).toMatchObject({
+      type: 'iris',
+      supportsQueryEditor: true,
+    });
+  });
+
   it('treats OceanBase Oracle protocol as Oracle capabilities', () => {
     expect(getDataSourceCapabilities({
       type: 'oceanbase',