fix: 统一上传响应与表单校验处理

- 上传组件统一解析后端响应并暴露错误事件

- AI 资源、模型提供商和工作流表单补齐程序化字段校验同步

- 修正 MinIO 对外访问域名配置

easyflow-ui-admin/app/src/utils/form-validation.ts

@@ -0,0 +1,25 @@
+import type { FormInstance, FormItemProp } from 'element-plus';
+
+import type { Ref } from 'vue';
+
+import { nextTick } from 'vue';
+
+type FormRef = Ref<FormInstance | null | undefined>;
+
+export async function syncProgrammaticFieldValidation(
+  formRef: FormRef,
+  fields?: Array<FormItemProp>,
+) {
+  await nextTick();
+
+  if (!formRef.value) {
+    return;
+  }
+
+  if (!fields || fields.length === 0) {
+    formRef.value.clearValidate();
+    return;
+  }
+
+  formRef.value.clearValidate(fields);
+}

easyflow-ui-admin/app/src/utils/upload-response.ts

@@ -0,0 +1,59 @@
+import { $t } from '#/locales';
+
+interface UploadResponseData {
+  path?: string;
+}
+
+interface UploadResponseBody {
+  data?: UploadResponseData;
+  errorCode?: number;
+  message?: string;
+}
+
+function getMessageFromUnknown(error: unknown) {
+  if (typeof error === 'string' && error) {
+    return error;
+  }
+
+  if (!error || typeof error !== 'object') {
+    return '';
+  }
+
+  const raw = error as {
+    message?: unknown;
+    response?: unknown;
+  };
+
+  if (typeof raw.message === 'string' && raw.message) {
+    return raw.message;
+  }
+
+  if (typeof raw.response === 'string' && raw.response) {
+    try {
+      const parsed = JSON.parse(raw.response) as UploadResponseBody;
+      return parsed.message || '';
+    } catch {
+      return raw.response;
+    }
+  }
+
+  return '';
+}
+
+export function normalizeUploadError(error: unknown) {
+  const message = getMessageFromUnknown(error);
+  return new Error(message || $t('cropper.message.uploadFailed'));
+}
+
+export function resolveUploadPath(response: UploadResponseBody) {
+  if (!response || response.errorCode !== 0) {
+    throw new Error(response?.message || $t('cropper.message.uploadFailed'));
+  }
+
+  const path = response.data?.path;
+  if (!path) {
+    throw new Error($t('cropper.message.notUrl'));
+  }
+
+  return path;
+}