fix: review blockers — entity registration, session enum, conflict date-range, @Type decorators

apps/server/src/schedules/dto/schedule.dto.ts

@@ -8,6 +8,7 @@ import {
   Min,
   Max,
 } from 'class-validator';
+import { Type } from 'class-transformer';
 
 export class CreateScheduleDto {
   @IsInt()
@@ -115,14 +116,17 @@ export class UpdateScheduleDto {
 
 export class QueryScheduleDto {
   @IsOptional()
+  @Type(() => Number)
   @IsInt()
   classroomId?: number;
 
   @IsOptional()
+  @Type(() => Number)
   @IsInt()
   classId?: number;
 
   @IsOptional()
+  @Type(() => Number)
   @IsInt()
   @Min(1)
   @Max(7)
@@ -147,6 +151,7 @@ export class WeeklyViewQueryDto {
   endDate?: string;
 
   @IsOptional()
+  @Type(() => Number)
   @IsInt()
   classroomId?: number;
 }