diff --git a/src/test/java/com/yunhai/flowcenter/oapi/OapiFlowTasksByBizTest.java b/src/test/java/com/yunhai/flowcenter/oapi/OapiFlowTasksByBizTest.java
index 8ad9bd5..48b8389 100644
--- a/src/test/java/com/yunhai/flowcenter/oapi/OapiFlowTasksByBizTest.java
+++ b/src/test/java/com/yunhai/flowcenter/oapi/OapiFlowTasksByBizTest.java
@@ -62,6 +62,45 @@ class OapiFlowTasksByBizTest extends FlowTestSupport {
         public com.yunhai.flowcenter.stub.StubUserClient stubUserClient() {
             return new com.yunhai.flowcenter.stub.StubUserClient();
         }
+
+        /**
+         * 来源主体解析桩：真实实现要出站查 UserBase 应用注册表，CI 容器内不可达即 fail-closed。
+         * 本类靶子是 by-biz 的 0/1/N 与"不探测他人办件"语义，主体解析由 FlUsageGrantTest 覆盖。
+         */
+        @Bean
+        @Primary
+        public com.yunhai.flowcenter.service.FlowSourcePrincipalResolver stubSourceResolver() {
+            return new com.yunhai.flowcenter.service.FlowSourcePrincipalResolver(null) {
+                @Override
+                public com.yunhai.flowcenter.service.FlowSourcePrincipalResolver.Principal resolve(String appKey) {
+                    return new com.yunhai.flowcenter.service.FlowSourcePrincipalResolver.Principal(
+                            "ub-app:100001", 100001, appKey, "flow-test");
+                }
+            };
+        }
+    }
+
+    @Autowired
+    private com.yunhai.flowcenter.repository.FlwUsageGrantRepository grantRepository;
+
+    @org.springframework.boot.test.mock.mockito.MockBean
+    private com.yunhai.flowcenter.service.UserBaseActivationClient activationClient;
+
+    /**
+     * 许可闸前置（C03）：本类每条流程线都要能发起，故发布即补一条绑定来源的生效 grant；
+     * 开通校验（第二道闸）真实实现出网，这里固定为已开通。
+     */
+    @Override
+    protected FlwDef saveAndPublishDef(String code, String name, String contentJson) {
+        FlwDef def = super.saveAndPublishDef(code, name, contentJson);
+        com.yunhai.flowcenter.entity.FlwUsageGrant grant = new com.yunhai.flowcenter.entity.FlwUsageGrant();
+        grant.setSchId(SCH);
+        grant.setFlowGuid(def.getFlowGuid());
+        grant.setAppId(100001);
+        grant.setSourcePrincipalId("ub-app:100001");
+        grant.setEnabled(1);
+        grantRepository.saveAndFlush(grant);
+        return def;
     }
 
     @BeforeEach
@@ -81,6 +120,8 @@ class OapiFlowTasksByBizTest extends FlowTestSupport {
             }
         }
         cleanDb();
+        org.mockito.Mockito.when(activationClient.isAppActivatedStrict(
+                org.mockito.ArgumentMatchers.anyInt(), org.mockito.ArgumentMatchers.anyLong())).thenReturn(true);
         client = new OapiSignedClient("http://localhost:" + port, APP_KEY, APP_SECRET);
     }