feat(admin): 公共管理列表添加分页

后端 listForAdmin 支持 page/pageSize 分页查询，控制器接收分页参数并校验边界，前端 Contents 页面添加 el-pagination 组件并同步分页状态。

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apps/api/src/applications/admin/admin.controller.ts

@@ -2249,9 +2249,13 @@ export class AdminController {
   async listContents(
     @Query('type') type?: string,
     @Query('status') status?: string,
+    @Query('page') page?: string,
+    @Query('pageSize') pageSize?: string,
   ) {
-    const items = await this.content.listForAdmin(type, status);
-    return jsonResponse(items);
+    const p = Math.max(1, page ? parseInt(page, 10) || 1 : 1);
+    const size = Math.min(Math.max(1, pageSize ? parseInt(pageSize, 10) : 20), 100);
+    const result = await this.content.listForAdmin(type, status, p, size);
+    return jsonResponse(result);
   }
 
   @Get('contents/:id')

apps/api/src/domains/operations/content/content.service.ts

@@ -255,7 +255,12 @@ export class ContentService {
       });
   }
 
-  async listForAdmin(contentType?: string, status?: string) {
+  async listForAdmin(
+    contentType?: string,
+    status?: string,
+    page = 1,
+    pageSize = 20,
+  ) {
     const typeWhere =
       contentType === ANNOUNCEMENT_ADMIN_TYPE
         ? { contentType: { in: [...ANNOUNCEMENT_TYPES] } }
@@ -263,15 +268,28 @@ export class ContentService {
           ? { contentType }
           : {};
 
-    const items = await this.prisma.content.findMany({
-      where: {
-        ...typeWhere,
-        ...(status ? { status } : {}),
-      },
-      include: { translations: true },
-      orderBy: [{ sortOrder: 'asc' }, { id: 'asc' }],
-    });
-    return items.map((item) => this.mapAdminItem(item));
+    const where = {
+      ...typeWhere,
+      ...(status ? { status } : {}),
+    };
+
+    const [items, total] = await Promise.all([
+      this.prisma.content.findMany({
+        where,
+        include: { translations: true },
+        orderBy: [{ sortOrder: 'asc' }, { id: 'asc' }],
+        skip: (page - 1) * pageSize,
+        take: pageSize,
+      }),
+      this.prisma.content.count({ where }),
+    ]);
+
+    return {
+      items: items.map((item) => this.mapAdminItem(item)),
+      total,
+      page,
+      pageSize,
+    };
   }
 
   async getForAdmin(id: bigint) {
@@ -442,6 +460,7 @@ export class ContentService {
 
   /** @deprecated use listForAdmin */
   async listAll(contentType?: string) {
-    return this.listForAdmin(contentType);
+    const result = await this.listForAdmin(contentType);
+    return result.items;
   }
 }