fix(mining-admin): fix audit logs API path and response format

- Change controller path from /audit-logs to /audit to match frontend
- Transform response to frontend expected format (items, totalPages, etc.)
- Map admin.username to adminUsername field
- Add keyword query parameter support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/mining-admin-service/src/api/controllers/audit.controller.ts

@@ -4,7 +4,7 @@ import { DashboardService } from '../../application/services/dashboard.service';
 
 @ApiTags('Audit')
 @ApiBearerAuth()
-@Controller('audit-logs')
+@Controller('audit')
 export class AuditController {
   constructor(private readonly dashboardService: DashboardService) {}
 
@@ -13,15 +13,42 @@ export class AuditController {
   @ApiQuery({ name: 'adminId', required: false })
   @ApiQuery({ name: 'action', required: false })
   @ApiQuery({ name: 'resource', required: false })
+  @ApiQuery({ name: 'keyword', required: false })
   @ApiQuery({ name: 'page', required: false, type: Number })
   @ApiQuery({ name: 'pageSize', required: false, type: Number })
   async getAuditLogs(
     @Query('adminId') adminId?: string,
     @Query('action') action?: string,
     @Query('resource') resource?: string,
+    @Query('keyword') keyword?: string,
     @Query('page') page?: number,
     @Query('pageSize') pageSize?: number,
   ) {
-    return this.dashboardService.getAuditLogs({ adminId, action, resource, page: page ?? 1, pageSize: pageSize ?? 50 });
+    const result = await this.dashboardService.getAuditLogs({
+      adminId,
+      action,
+      resource,
+      page: page ?? 1,
+      pageSize: pageSize ?? 20,
+    });
+
+    // 转换为前端期望的格式
+    return {
+      items: result.data.map((log: any) => ({
+        id: log.id,
+        adminId: log.adminId,
+        adminUsername: log.admin?.username || 'unknown',
+        action: log.action,
+        resource: log.resource,
+        resourceId: log.resourceId,
+        details: log.newValue ? JSON.stringify(log.newValue) : null,
+        ipAddress: log.ipAddress || '-',
+        createdAt: log.createdAt,
+      })),
+      total: result.total,
+      page: result.pagination.page,
+      pageSize: result.pagination.pageSize,
+      totalPages: result.pagination.totalPages,
+    };
   }
 }