feat(f4): add editable INF narrative DTO

api-v3/src/inspection-reports/dto/update-inspection-report.dto.ts

@@ -0,0 +1,16 @@
+import { Transform } from 'class-transformer';
+import { IsOptional, IsString, MaxLength } from 'class-validator';
+
+export class UpdateInspectionReportDto {
+  @IsOptional()
+  @Transform(({ value }) => typeof value === 'string' ? value.trim() || null : value)
+  @IsString()
+  @MaxLength(20000)
+  executiveSummary?: string | null;
+
+  @IsOptional()
+  @Transform(({ value }) => typeof value === 'string' ? value.trim() || null : value)
+  @IsString()
+  @MaxLength(40000)
+  description?: string | null;
+}