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Date: Mon, 3 Aug 2026 14:51:34 +0800
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- 统一声明 application/json 响应并补充契约测试
---
 .../controller/PublicWorkflowController.java  |  3 ++-
 .../PublicWorkflowControllerContractTest.java | 26 +++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 easyflow-api/easyflow-api-public/src/test/java/tech/easyflow/publicapi/controller/PublicWorkflowControllerContractTest.java

diff --git a/easyflow-api/easyflow-api-public/src/main/java/tech/easyflow/publicapi/controller/PublicWorkflowController.java b/easyflow-api/easyflow-api-public/src/main/java/tech/easyflow/publicapi/controller/PublicWorkflowController.java
index 7c0e1ab2..6044e0f7 100644
--- a/easyflow-api/easyflow-api-public/src/main/java/tech/easyflow/publicapi/controller/PublicWorkflowController.java
+++ b/easyflow-api/easyflow-api-public/src/main/java/tech/easyflow/publicapi/controller/PublicWorkflowController.java
@@ -6,6 +6,7 @@ import com.easyagents.flow.core.chain.runtime.ChainExecutor;
 import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.validation.constraints.NotBlank;
+import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 import tech.easyflow.approval.annotation.RequirePublishedAccess;
 import tech.easyflow.ai.easyagentsflow.entity.ChainInfo;
@@ -38,7 +39,7 @@ import java.util.Map;
 /**
  * 工作流
  */
-@RequestMapping("/public-api/workflow")
+@RequestMapping(value = "/public-api/workflow", produces = MediaType.APPLICATION_JSON_VALUE)
 @RestController
 public class PublicWorkflowController {
 
diff --git a/easyflow-api/easyflow-api-public/src/test/java/tech/easyflow/publicapi/controller/PublicWorkflowControllerContractTest.java b/easyflow-api/easyflow-api-public/src/test/java/tech/easyflow/publicapi/controller/PublicWorkflowControllerContractTest.java
new file mode 100644
index 00000000..90baf433
--- /dev/null
+++ b/easyflow-api/easyflow-api-public/src/test/java/tech/easyflow/publicapi/controller/PublicWorkflowControllerContractTest.java
@@ -0,0 +1,26 @@
+package tech.easyflow.publicapi.controller;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * {@link PublicWorkflowController} HTTP 响应契约测试。
+ */
+public class PublicWorkflowControllerContractTest {
+
+    /**
+     * 验证工作流公共 API 明确返回 JSON，避免通配 Accept 请求被 CBOR 转换器接管。
+     */
+    @Test
+    public void shouldDeclareJsonResponseMediaType() {
+        RequestMapping requestMapping = PublicWorkflowController.class.getAnnotation(RequestMapping.class);
+
+        Assert.assertNotNull(requestMapping);
+        Assert.assertArrayEquals(
+                new String[]{MediaType.APPLICATION_JSON_VALUE},
+                requestMapping.produces()
+        );
+    }
+}