fix: 修复工作流开始表单文案清空回退

- 保留标题和说明的显式空值

- 同步运行页与后端解析逻辑

easyflow-modules/easyflow-module-ai/src/main/java/tech/easyflow/ai/easyagentsflow/service/WorkflowRunningParameterResolver.java

@@ -118,12 +118,29 @@ public class WorkflowRunningParameterResolver {
     private Map<String, Object> resolveStartFormMeta(JSONObject startNodeData) {
         JSONObject rawMeta = startNodeData == null ? null : startNodeData.getJSONObject("startFormMeta");
         Map<String, Object> meta = new LinkedHashMap<>();
-        meta.put("title", trimToDefault(rawMeta == null ? null : rawMeta.getString("title"), DEFAULT_START_FORM_TITLE));
+        // Missing values use defaults; an explicit empty string means the user cleared the field.
-        meta.put("description", trimToDefault(rawMeta == null ? null : rawMeta.getString("description"), DEFAULT_START_FORM_DESCRIPTION));
+        meta.put("title", resolveOptionalStartFormText(rawMeta, "title", DEFAULT_START_FORM_TITLE));
+        meta.put("description", resolveOptionalStartFormText(rawMeta, "description", DEFAULT_START_FORM_DESCRIPTION));
         meta.put("submitText", trimToDefault(rawMeta == null ? null : rawMeta.getString("submitText"), DEFAULT_START_FORM_SUBMIT_TEXT));
         return meta;
     }
 
+    /**
+     * 解析允许用户主动清空的开始表单文案。
+     *
+     * @param meta 开始节点表单元数据
+     * @param key 文案字段名
+     * @param fallback 字段缺失时的默认文案
+     * @return 配置文案；字段缺失时返回默认文案，显式空字符串保持为空
+     */
+    private String resolveOptionalStartFormText(JSONObject meta, String key, String fallback) {
+        if (meta == null || !meta.containsKey(key)) {
+            return fallback;
+        }
+        String value = meta.getString(key);
+        return value == null ? "" : value.trim();
+    }
+
     private List<Map<String, Object>> resolveStartFormSchema(JSONObject startNodeData, List<Parameter> parameters) {
         JSONArray rawSchema = startNodeData == null ? null : startNodeData.getJSONArray("startFormSchema");
         List<Map<String, Object>> schema = new ArrayList<>();

easyflow-ui-admin/app/src/views/ai/workflow/components/WorkflowForm.vue

@@ -38,11 +38,14 @@ const submitLoading = ref(false);
 const startFormMeta = computed(() => {
   const meta = props.workflowParams?.startFormMeta || {};
   return {
-    title: String(meta.title || '').trim() || props.workflowParams?.title || '',
+    title:
+      meta.title == null
+        ? props.workflowParams?.title || ''
+        : String(meta.title).trim(),
     description:
-      String(meta.description || '').trim() ||
+      meta.description == null
-      props.workflowParams?.description ||
+        ? props.workflowParams?.description || ''
-      '',
+        : String(meta.description).trim(),
     submitText: String(meta.submitText || '').trim() || $t('button.run'),
   };
 });

easyflow-ui-admin/packages/tinyflow-ui/src/utils/workflowNodeFields.test.ts

@@ -855,8 +855,8 @@ describe('workflow node fields', () => {
       systemReserved: true,
     });
     expect(normalized.startFormMeta).toMatchObject({
-      title: '开始问答',
+      title: '',
-      description: '请先补充必要信息，再开始执行工作流。',
+      description: '',
       submitText: '开始',
     });
     expect(normalized.parameters[0]).toMatchObject({

easyflow-ui-admin/packages/tinyflow-ui/src/utils/workflowNodeFields.ts

@@ -439,8 +439,9 @@ function createDefaultStartFormMeta(): StartFormMeta {
 export function normalizeStartFormMeta(meta?: Partial<StartFormMeta> | null): StartFormMeta {
   const fallback = createDefaultStartFormMeta();
   return {
-    title: trimString(meta?.title) || fallback.title,
+    // Missing values use defaults; an explicit empty string means the user cleared the field.
-    description: trimString(meta?.description) || fallback.description,
+    title: meta?.title == null ? fallback.title : trimString(meta.title),
+    description: meta?.description == null ? fallback.description : trimString(meta.description),
     submitText: trimString(meta?.submitText) || fallback.submitText,
   };
 }

easyflow-ui-usercenter/app/src/views/ai/workflow/components/WorkflowForm.vue

@@ -37,11 +37,14 @@ const submitLoading = ref(false);
 const startFormMeta = computed(() => {
   const meta = props.workflowParams?.startFormMeta || {};
   return {
-    title: String(meta.title || '').trim() || props.workflowParams?.title || '',
+    title:
+      meta.title == null
+        ? props.workflowParams?.title || ''
+        : String(meta.title).trim(),
     description:
-      String(meta.description || '').trim() ||
+      meta.description == null
-      props.workflowParams?.description ||
+        ? props.workflowParams?.description || ''
-      '',
+        : String(meta.description).trim(),
     submitText: String(meta.submitText || '').trim() || $t('button.run'),
   };
 });