feat(engine): NOTIFY 抄送 + CONDITION 条件路由 + JOIN scope 修复（两批全栈）

- NOTIFY：TYPE_NOTIFY 瞬时抄送（flw_cc 逐人留痕 + CC_SENT 事件 + 站内通知不加待办角标）、/api/flow/cc/my、轨迹 kind=CC 与 oapi progress 抄送步、示意图青框卡片
- CONDITION：flw_router 判断服务注册 + flw_route_log 决策留痕（REQUIRES_NEW，reroute 回滚不丢失败行）+ 同步判断调用（服务目录寻址 + 平台签名，3s×3 退避重试）+ 失败挂起/管理端重跑（不配默认出口）+ 可选事件 flow.route.decided
- JOIN scope：branch_key 路径前缀编码 + scope 级到齐放行 + DefValidator SPLIT/JOIN 配对与键长守卫（存量无点号键零迁移，历史直连图回退实例级口径）
- 管理端：/api/flow/admin/router/* CRUD + POST /api/flow/admin/instance/{id}/reroute
- 生产 SQL：sql/20260923_create_flw_cc.sql（含 flw_task 时间列升 DATETIME(3)）、20260924_create_flw_router_and_route_log.sql
- 测试：全量 125 绿（FlowEngineIT 24，含条件/嵌套并行/退回重走用例）

src/test/java/com/yunhai/flowcenter/service/FlowDiagramServiceTest.java

@@ -87,6 +87,7 @@ class FlowDiagramServiceTest {
     private FlwDefRepository defRepository;
     private FlwAssigneeMapRepository mapRepository;
     private FlwTaskRepository taskRepository;
+    private com.yunhai.flowcenter.repository.FlwCcRepository ccRepository;
     private OpenApiUserClient userClient;
     private FlowDiagramService service;
 
@@ -95,16 +96,22 @@ class FlowDiagramServiceTest {
         defRepository = mock(FlwDefRepository.class);
         mapRepository = mock(FlwAssigneeMapRepository.class);
         taskRepository = mock(FlwTaskRepository.class);
+        ccRepository = mock(com.yunhai.flowcenter.repository.FlwCcRepository.class);
         userClient = mock(OpenApiUserClient.class);
         when(taskRepository.findByInstanceIdOrderByIdAsc(anyLong()))
                 .thenReturn(Collections.emptyList());
-        // 真 FlowEngine（真实 JSON 解析通道）＋ mock 依赖
+        when(ccRepository.findByInstanceIdOrderByIdAsc(anyLong()))
+                .thenReturn(Collections.emptyList());
+        // 真 FlowEngine（真实 JSON 解析通道）＋ mock 依赖（ConditionRouteService 不触达：纯示意图测试）
         FlowEngine engine = new FlowEngine(new ObjectMapper(),
-                taskRepository, mock(FlwBranchRepository.class), mock(AssigneeResolver.class),
+                taskRepository, mock(FlwBranchRepository.class), ccRepository,
+                mock(AssigneeResolver.class), mock(com.yunhai.flowcenter.engine.ConditionRouteService.class),
                 mock(ApplicationEventPublisher.class));
         service = new FlowDiagramService(defRepository, mapRepository,
                 mock(com.yunhai.flowcenter.repository.FlwInstanceRepository.class),
-                taskRepository, engine, userClient);
+                taskRepository, ccRepository,
+                mock(com.yunhai.flowcenter.repository.FlwRouteLogRepository.class),
+                engine, userClient);
     }
 
     private FlwDef def(String json) {
@@ -473,6 +480,7 @@ class FlowDiagramServiceTest {
             // 真管理守卫（纯逻辑无依赖）＋ 其余依赖 mock
             controller = new FlowAdminController(new FlowAdminGuard(), defAdminService,
                     mock(FlowMapAdminService.class), mock(FlowCallbackAdminService.class),
+                    mock(com.yunhai.flowcenter.service.FlowRouterAdminService.class),
                     mock(FlwInstanceRepository.class), diagramService,
                     mock(com.yunhai.flowcenter.service.DiagramImageService.class));
         }