feat(server): add admin membership management endpoints

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/server/src/user/user.controller.ts

@@ -2,7 +2,9 @@ import {
   Controller,
   Get,
   Put,
+  Delete,
   Body,
+  Param,
   Query,
   UseGuards,
 } from '@nestjs/common'
@@ -13,6 +15,7 @@ import { Roles } from '../auth/roles.decorator'
 import { CurrentUser } from '../common/decorators/current-user.decorator'
 import { UserService } from './user.service'
 import { UpdateProfileDto } from './dto/update-profile.dto'
+import { UpdateUserMembershipDto } from './dto/update-user-membership.dto'
 
 const VALID_CARD_TYPES = new Set<string>(Object.values(CardTypeCategory))
 
@@ -61,4 +64,28 @@ export class UserController {
       validCardType,
     )
   }
+
+  @Get('admin/members/:userId/membership')
+  @UseGuards(RolesGuard)
+  @Roles(UserRole.ADMIN)
+  getUserMembership(@Param('userId') userId: string) {
+    return this.userService.getUserMembership(userId)
+  }
+
+  @Put('admin/members/:userId/membership')
+  @UseGuards(RolesGuard)
+  @Roles(UserRole.ADMIN)
+  updateUserMembership(
+    @Param('userId') userId: string,
+    @Body() dto: UpdateUserMembershipDto,
+  ) {
+    return this.userService.updateUserMembership(userId, dto)
+  }
+
+  @Delete('admin/members/:userId/membership')
+  @UseGuards(RolesGuard)
+  @Roles(UserRole.ADMIN)
+  deleteUserMembership(@Param('userId') userId: string) {
+    return this.userService.deleteUserMembership(userId)
+  }
 }