完善后台精选活动卡上传

后台精选活动卡支持选择图片并通过 OSS 直传凭证上传。

保存活动卡时同步 imageSrc 和 imageObjectKey。

移除后台素材包分类选项，清空分类时不再自动隐藏精选素材。

补充后台活动卡上传和分类交互测试。

apps/admin-web/src/api/adminApiClient.ts

@@ -11,8 +11,11 @@ import type {
   AdminDatabaseTableListResponse,
   AdminDatabaseTableRowsQuery,
   AdminDatabaseTableRowsResponse,
+  AdminCreateEditorShowcaseCampaignImageUploadTicketRequest,
+  AdminCreateEditorShowcaseCampaignImageUploadTicketResponse,
   AdminEditorAssetListQuery,
   AdminEditorAssetListResponse,
+  AdminDirectUploadTicketPayload,
   AdminEditorShowcaseAssetResponse,
   AdminEditorShowcaseCampaignResponse,
   AdminEditorShowcaseDisplayRequest,
@@ -27,6 +30,7 @@ import type {
   AdminTrackingEventListResponse,
   AdminUpdateWorkVisibilityRequest,
   AdminUpdateWorkVisibilityResponse,
+  AdminUploadedEditorShowcaseCampaignImage,
   AdminUpsertEditorShowcaseCampaignRequest,
   AdminUpsertProfileInviteCodeRequest,
   AdminUpsertProfileRechargeProductRequest,
@@ -394,6 +398,32 @@ export function upsertAdminEditorShowcaseCampaign(
   );
 }
 
+export async function uploadAdminEditorShowcaseCampaignImage(
+  token: string,
+  file: File,
+): Promise<AdminUploadedEditorShowcaseCampaignImage> {
+  const contentType = resolveAdminImageContentType(file);
+  const response = await request<AdminCreateEditorShowcaseCampaignImageUploadTicketResponse>(
+    '/admin/api/editor-showcase/campaign/image-upload-ticket',
+    {
+      method: 'POST',
+      token,
+      body: {
+        fileName: file.name.trim() || 'showcase-campaign.png',
+        contentType,
+        contentLength: file.size,
+      } satisfies AdminCreateEditorShowcaseCampaignImageUploadTicketRequest,
+    },
+  );
+  await postAdminDirectUploadFile(response.upload, file);
+  const objectKey = response.upload.objectKey.trim().replace(/^\/+/u, '');
+  return {
+    imageSrc: objectKey ? `/${objectKey}` : response.upload.legacyPublicPath,
+    imageObjectKey: objectKey,
+    legacyPublicPath: response.upload.legacyPublicPath,
+  };
+}
+
 export function listProfileRedeemCodes(token: string) {
   return request<ProfileRedeemCodeAdminListResponse>(
     '/admin/api/profile/redeem-codes',
@@ -556,6 +586,54 @@ function buildAssetReadUrlQuery(query: AdminAssetReadUrlQuery) {
   return queryString ? `?${queryString}` : '';
 }
 
+function resolveAdminImageContentType(file: File) {
+  const declaredType = file.type.trim();
+  if (declaredType.startsWith('image/')) {
+    return declaredType;
+  }
+  const extension = file.name.trim().toLowerCase().match(/\.([a-z0-9]+)$/u)?.[1];
+  if (extension === 'jpg' || extension === 'jpeg') {
+    return 'image/jpeg';
+  }
+  if (extension === 'png') {
+    return 'image/png';
+  }
+  if (extension === 'webp') {
+    return 'image/webp';
+  }
+  if (extension === 'gif') {
+    return 'image/gif';
+  }
+  return declaredType || 'application/octet-stream';
+}
+
+function buildAdminDirectUploadFormData(
+  upload: AdminDirectUploadTicketPayload,
+  file: File,
+) {
+  const formData = new FormData();
+  Object.entries(upload.formFields).forEach(([key, value]) => {
+    if (value !== null && value !== undefined) {
+      formData.append(key, value);
+    }
+  });
+  formData.append('file', file, file.name);
+  return formData;
+}
+
+async function postAdminDirectUploadFile(
+  upload: AdminDirectUploadTicketPayload,
+  file: File,
+) {
+  const response = await fetch(upload.host, {
+    method: 'POST',
+    body: buildAdminDirectUploadFormData(upload, file),
+  });
+  if (!response.ok) {
+    throw new Error(`上传活动卡图片失败：HTTP ${response.status}`);
+  }
+}
+
 function buildQueryString(query: AdminTrackingEventListQuery) {
   const params = new URLSearchParams();
   appendQueryParam(params, 'eventKey', query.eventKey);