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/main/java/com/yunhai/flowcenter/service/FlowDefAdminService.java

@@ -31,6 +31,7 @@ public class FlowDefAdminService {
 
     private final FlwDefRepository defRepository;
     private final FlwAssigneeMapRepository mapRepository;
+    private final com.yunhai.flowcenter.repository.FlwRouterRepository routerRepository;
     private final FlowEngine flowEngine;
     private final ObjectMapper objectMapper;
 
@@ -128,9 +129,7 @@ public class FlowDefAdminService {
             throw new BizException(ErrorCode.PARAM_ERROR, "已是发布状态");
         }
         FlowDefModel model = FlowDefModel.parse(objectMapper, def.getContentJson());
-        Set<String> enabledDeptKeys = mapRepository.findEnabledBySchId(schId).stream()
-                .map(FlwAssigneeMap::getDeptKey).collect(Collectors.toSet());
-        DefValidator.validate(model, enabledDeptKeys);
+        DefValidator.validate(model, enabledDeptKeys(schId), enabledRouterKeys());
         def.setStatus(FlwEnums.DefStatus.PUBLISHED.getCode());
         def.setPublishTime(LocalDateTime.now());
         return defRepository.save(def);
@@ -159,9 +158,7 @@ public class FlowDefAdminService {
             throw new BizException(ErrorCode.PARAM_ERROR, "仅停用的流程可启用；草稿请走发布");
         }
         FlowDefModel model = FlowDefModel.parse(objectMapper, def.getContentJson());
-        Set<String> enabledDeptKeys = mapRepository.findEnabledBySchId(schId).stream()
-                .map(FlwAssigneeMap::getDeptKey).collect(Collectors.toSet());
-        DefValidator.validate(model, enabledDeptKeys);
+        DefValidator.validate(model, enabledDeptKeys(schId), enabledRouterKeys());
         def.setStatus(FlwEnums.DefStatus.PUBLISHED.getCode());
         def.setPublishTime(LocalDateTime.now());
         return defRepository.save(def);
@@ -172,6 +169,18 @@ public class FlowDefAdminService {
         return defRepository.findBySchIdAndFlowGuidOrderByVersionDesc(schId, flowGuid);
     }
 
+    private Set<String> enabledDeptKeys(Long schId) {
+        return mapRepository.findEnabledBySchId(schId).stream()
+                .map(FlwAssigneeMap::getDeptKey).collect(Collectors.toSet());
+    }
+
+    /** CONDITION routerKey 发布校验白名单（flw_router 启用键全集，全局不分校） */
+    private Set<String> enabledRouterKeys() {
+        return routerRepository.findByStatusOrderByIdAsc(1).stream()
+                .map(com.yunhai.flowcenter.entity.FlwRouter::getRouterKey)
+                .collect(Collectors.toSet());
+    }
+
     private FlwDef requireDef(Long schId, Long id) {
         FlwDef def = defRepository.findById(id)
                 .orElseThrow(() -> new BizException(ErrorCode.PARAM_ERROR, "流程定义不存在：" + id));