fix(authorization): add Transform decorator to parse includeRevoked query param

查询参数都是字符串类型，需要将 'true' 转换为布尔值 true，
否则后端无法正确处理 includeRevoked 参数，导致已撤销的授权记录不显示。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/services/authorization-service/src/api/dto/request/query-authorizations.dto.ts

@@ -1,6 +1,6 @@
-import { IsOptional, IsString, IsEnum, IsInt, Min, Max } from 'class-validator'
+import { IsOptional, IsString, IsEnum, IsInt, Min, Max, IsBoolean } from 'class-validator'
 import { ApiPropertyOptional } from '@nestjs/swagger'
-import { Type } from 'class-transformer'
+import { Type, Transform } from 'class-transformer'
 import { RoleType } from '@/domain/enums'
 
 export class QueryAuthorizationsDto {
@@ -16,6 +16,8 @@ export class QueryAuthorizationsDto {
 
   @ApiPropertyOptional({ description: '是否包含已撤销的授权', default: false })
   @IsOptional()
+  @Transform(({ value }) => value === 'true' || value === true)
+  @IsBoolean()
   includeRevoked?: boolean
 
   @ApiPropertyOptional({ description: '页码', default: 1 })