Shitty gadgets removed. Some useful gadgets added.

backend/src/modules/today/dto/today-summary-query.dto.ts

@@ -1,5 +1,6 @@
 import { ApiPropertyOptional } from '@nestjs/swagger';
-import { IsISO8601, IsOptional } from 'class-validator';
+import { IsISO8601, IsInt, IsOptional, Max, Min } from 'class-validator';
+import { Type } from 'class-transformer';
 
 export class TodaySummaryQueryDto {
   @ApiPropertyOptional({
@@ -17,4 +18,16 @@ export class TodaySummaryQueryDto {
   @IsOptional()
   @IsISO8601()
   to?: string;
+
+  @ApiPropertyOptional({
+    description:
+      'Client UTC offset in minutes (same sign as Date.getTimezoneOffset negated). Used for hourly buckets.',
+    example: 210,
+  })
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(-840)
+  @Max(840)
+  utcOffsetMinutes?: number;
 }